Eremogone hookeri (2007)
CARYOPHYLLACEAE
Eremogone hookeri (Nutt.) W. A. Weber
U.S.A., Colorado, Baca County: Shell Rock Canyon Natural Area: approx. 1 mi S of Deora at the intersection of CR6 and RR Road.
Elev. 4945 ft.
Rolling terrain with exposures of cretaceous-age greenhorn limestone, sparsely vegetated outcrop with Hesperostipa neomexicana, Achnatherum hymenoides, and Chondrosum gracile. 7.5' Deora Quad Phenology: flowering.
Accession: RM 841159

Eremogone hookeri (2016)
CARYOPHYLLACEAE
Eremogone hookeri (Nutt.) W. A. Weber
U.S.A., Wyoming, Sweetwater County: Flaming Gorge Recreation Area: Green River Drainage: ca 1 mi N of The Glades,
Elev. 6195 ft.
Plants growing on semi-barrens of Morrison Formation. Phenology: flowering.
Accession: RM 957062, Barcode: RM0209025

Eremogone hookeri (2011)
CARYOPHYLLACEAE
Eremogone hookeri (Nutt.) W. A. Weber
U.S.A., Colorado, Moffat County: Cold Spring Mountain.
Elev. 6850 ft.
With scattered Wyoming big sagebrush on light colored clay soil. Phenology: flowering.
Annotations:
1. Arenaria hookeri Nutt. ssp. hookeri
Annotated by Sherel Goodrich.
with Allen Huber
Accession: RM 958254, Barcode: RM0212748

U.S.A., Colorado, Moffat County: Summit of Lookout Mountain.
Windswept summit with black sagebrush and fringed sagebrush. Phenology: flowering & fruiting.
with Allen Huber
Accession: RM 958130, Barcode: RM0213295

Eremogone hookeri var. hookeri (1988)
Eremogone hookeri (Nutt.) W. A. Weber var. hookeri
U.S.A., Wyoming, Park County: Southwestern Absarokas: along Hardpan Creek, ca 24.5 air mi SW of Cody.
Foothills dominated by Artemisia and Elymus.
Accession: (unaccessioned)

Eremogone hookeri var. hookeri (1997)
Eremogone hookeri (Nutt.) W. A. Weber var. hookeri
U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Ridge with bands of sandstone, soil, and siltstone. Phenology: flowering.
Accession: RM (unaccessioned)

Eremogone hookeri var. hookeri (1997)
Eremogone hookeri (Nutt.) W. A. Weber var. hookeri
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: ca 3 air mi WSW of Halfway Hill between First and Second Sand creeks, ca 8.8 air mi SW of Medicine Bow; ca 9.5 air mi NE of Elk Mountain (town).
Sandstone rim area on ridge. Phenology: flowering.
Annotations:
1. Eremogone hookeri (Nutt.) W. A. Weber var. hookeri
Annotated by Amy J. Roderick.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Park County: Northern Absaroka Area: 2-3 air mi ENE of Buffalo Bill Dam.
Sandstones and shales near irrigation canal; scattered juniper. Phenology: flowering.
Annotations:
1. Eremogone hookeri (Nutt.) W. A. Weber var. hookeri
Annotated by David Rosenthal.
Accession: USFS 851939, Barcode: USFS0036104

U.S.A., Wyoming, Park County: Northern Absaroka Area: Sheep Mountain 13-14 air mi SW of Cody (center).
Lower flanks to cut in limestone and plains on northwest corner of mountain. Phenology: flowering.
1. Eremogone hookeri (Nutt.) W. A. Weber var. hookeri
Annotated by David Rosenthal.
Accession: USFS 851940, Barcode: USFS0036105

U.S.A., Wyoming, Park County: Northern Absaroka Area: Sheep Mountain 13-14 air mi SW of Cody (center).
Limestone outcrops and meadows. Phenology: flowering.
Annotated by David Rosenthal.
Accession: USFS 851941, Barcode: USFS0036106

U.S.A., Wyoming, Park County: Northern Absaroka Area: Hogan Reservoir N and W at base and slopes of Bald Ridge.
Redbeds, sandstone and shale, limestone; foothills and outwashes. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Second Cottonwood Draw and vicinity, ca 26 air mi SE of Rawlins; ca 7 air mi NW of Saratoga.
Stony slopes with sagebrush in draws. Phenology: fruiting.
Annotated by Amy J. Roderick.
with Amy J. Roderick
Accession: RM (unaccessioned)

U.S.A., Wyoming, Park County: Northern Absaroka Area: southeast end of Rattlesnake Mountain.
Limestone outcrops and rocky slopes. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Sheep Mountain, north-central access from 1.2-1.4 air mi S of County Road 6FU on west branch of central drainage.
Open areas and rocky slopes, calcareous. Phenology: flowering.
with David Rosenthal

U.S.A., Wyoming, Park County: Northern Absaroka Area: Wapiti Ridge Area: Houlihan Creek and ridge to southwest.
Volcanics; ridge top with rocky slopes. Phenology: flowering.
with David Rosenthal

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: from Four Bear Trailhead to peak 8245T (Jim Mountain Quad), E of Jim Mountain and NW of Four Bear, ca 2.5 mi E of town of Wapiti on U.S. Hwy 14, 16, & 20.
Artemisia shrublands. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: from Four Bear Trailhead to peak 8245T (Jim Mountain Quad), E of Jim Mountain and NW of Four Bear, ca 2.5 mi E of town of Wapiti on U.S. Hwy 14, 16, & 20.
North facing forested slopes and montane meadows to peak; scattered rocky ridges with rocky outcrops to peak 8245T. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: unnamed meadow, slopes, and plateau, S of Chief Joseph Hwy ca 1 mi SE of Dead Indian Pass; Forest Road leading to Dry Creek Road.
Spruce/fir forest to ridge with limestone outcrops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: East Fork Big Game Winter Range, ca 3.5 air mi NNE of Dubois.
Heavily grazed grassland with Artemisia in draws; some redbeds. Phenology: flowering.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Sagebrush shrubland up to montane meadows with Astragalus and Oxytropis. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Shoshone National Forest: southeast flank of Whiskey Mountain.
Rocky slopes, sagebrush shrubland. Phenology: flowering.
with Cathy Binger

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: Dead Indian Creek Trail, ca 21 air mi NW of Cody.
Sagebrush slopes with scattered limber pine, juniper, and spruce/fir forest in moist areas. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: along Seminoe or County Road 351 at the pass, ca 2 air mi NNW of Seminoe Dam; ca 31 air mi NE of Rawlins.
Rocky-gravelly slopes with rock outcrops and limber pine woodland. Phenology: flowering.
Annotated by Amy J. Roderick.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Signal Peak, ca 4 air mi due W of Wapiti on U.S. Hwy 14, 16, & 20, just inside forest boundary on north side of North Fork Shoshone River.
Toeslope of peak with scattered sagebrush; substrate volcanic. Phenology: flowering.
with Cathy Binger

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: pack trail up main drainage W of Signal Peak (across river from Laughing Pig Rock), ca 5 air mi E of town of Wapiti on U.S. Hwy 14, 16, & 20.
Pine and spruce forest with occasional meadows, rock outcrops, and ridges; substrate volcanic. Phenology: flowering.
with Cathy Binger

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: ca 1 mi up trail from Blackwater Lodge, along Blackwater Creek, up main drainage on west side Clayton Mountain.
Barren rocky south facing ridge and forested north facing ridges. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: footslope of unnamed peaks on north side of entrance to Sunlight Basin, ca 24 air mi NE of Cody.
Sagebrush, grassland, and sandstone. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Sandy or sandy-gravel slopes and areas among sandstone fins. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: east side of Sheep Mountain, ca 11 air mi SW of Cedar Mountain.
Sedimentary slopes with wet spots. Phenology: flowering.
with Jim Fowler

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Third Sand Creek and ridge to the S, ca 2-2.5 air mi E of Saddleback Hills; ca 11.5-12 air mi SE of Hanna; ca 4.5 air mi NNE of Elk Mountain (town).
Sandstone-mudstone ridge top and sandy clay slopes with coal beds. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Sand Creek, ca 2 air mi SW of summit of Bear Mountain.
Limestone outcrop with adjacent redbeds. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: on the divide between Buzzard and Little Mike creeks, ca 2.5-3 air mi N of Wyo Hwy 450, ca 35 air mi SW of Upton.
Sandstone ridge and adjacent slopes. Phenology: flowering.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: west side of Cow Creek Buttes on an east branch of Coal Draw, ca 14 air mi E of Bill; ca 41 air mi NNE of Douglas.
Rocky slopes and ridge. Phenology: flowering.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on the divide between Cow Creek and head of Deer Creek W of Cow Creek Buttes, ca 12 air mi ENE of Bill; ca 40 air mi NNE of Douglas.
Clay slopes with scattered sagebrush. Phenology: flowering.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: between Buffalo Creek Road and Alkali Draw along a tributary, ca 3 air mi NNW of Goose Butte, ca 8.5 air mi W of Upton.
Sagebrush-grasslands or grassy slopes. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Pine Ridge, ca 1 air mi W of Wyo Hwy 116, ca 4.5 air mi N of Upton.
Clay sagebrush slope with scattered ponderosa pine and Rocky Mountain juniper. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along Forest Road 913 E of Pump Creek, ca 6 air mi ENE of Upton.
Sandstone pavement with patches of vegetation. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: between a tributary of Dugout Creek and the railroad tracks, ca 2.5 air mi E of Wyo Hwy 59, ca 41.5 air mi N of Douglas; ca 9 air mi NNW of Bill.
Sagebrush on sandy clay areas with sandy patches. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Red Hills ca 0.5-1 air mi WSW of Dugout Bench Mark, ca 46.5 air mi N of Douglas; ca 13 air mi N of Bill.
Sagebrush-grassland on top of scoria hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ridge at the heads of Short and Logan creeks, ca 4 air mi W to WSW of Soda Well; ca 24-25 air mi N of Gillette.
Idaho fescue meadow, scattered sagebrush, disturbed patches, and edge of ponderosa pine forest on scoria ridge. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: Old Woman Creek Hills, ca 2.5 air mi E of U.S. Hwy 85, ca 52 air mi S of Newcastle; ca 25 air mi NNE of Lusk.
Rocky slopes with little bluestem. Phenology: flowering & fruiting.
Peter J. Ebertowski, 1086. 7/3/2002.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on Jenney Trail Road above and N of Lonetree Creek, ca 15 air mi NW of Bill; ca 25 air mi S of Wright.
Grassland and sagebrush/grassland. Phenology: flowering.
Peter J. Ebertowski, 117. 6/16/2002.
with B. E. Nelson

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: head of Nicholson Draw on Wyo Hwy 59, ca 5.5 air mi SSE of Wright; ca 33 air mi NNW of Bill.
Grassland with sandy bowls. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along ridge running N-S, E and above Short Creek, ca 26 air mi NNE of Gillette; ca 3 air mi W of Weston.
Idaho fescue grassland. Phenology: flowering & fruiting.
Peter J. Ebertowski, 149. 6/18/2002.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: ridge E of Fiddle Benchmark on County Road 32, ca 20 air mi N of Douglas; ca 13.5 air mi SSW of Bill.
Yucca and big sagebrush. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ca 1 mi SW of York or Forest Road 900; ca 11 air mi E of Soda Well; ca 28 air mi NE of Gillette.
Clay and coal breaks with grassy draws. Phenology: flowering.
with B. E. Nelson

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: above and N of South Fork Reservoir on County Road 23, ca 20 air mi N of Glenrock; ca 36 air mi NW of Douglas.
Roadside in sagebrush/grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Broken slate (shale) with ponderosa pine, rocky sandstone ridges, and alkaline flats. Phenology: flowering.
with Amy J. Roderick and B. A. Packer

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along Steckley or Forest Road 942 just below Robertson Flat, ca 44.5 air mi N of Douglas; ca 13 air mi NNW of Bill.
Right of way with adjacent grassland and sagebrush. Phenology: flowering.
with B. E. Nelson

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Cow Camp on Buck Creek, off of Forest Road 926, ca 25 air mi E of Wright; ca 41 air mi WSW of Newcastle.
Sagebrush/grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hill N of Lone Tree Creek on Grieves or County Road 5, ca 19.5 air mi SW of Newcastle; ca 26 air mi SSE of Upton.
Rocky slopes and hilltop of broken sandstone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge W of Alkali Creek, on Cheyenne River or County Road 54, ca 24 air mi SW of Newcastle; ca 40 air mi SSE of Upton.
Sandy hill and ravine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: ridge separating Bear Creek and Coal Draw, off Jenney Trail or County Road 34, ca 19.5 air mi WNW of Bill; ca 41 air mi NNW of Douglas.
Mosaic of sagebrush and grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: E of Red Hills at terminus of Forest Road 942C, ca 26 air mi SE of Wright; ca 15.5 air mi NNE of Bill.
Clay with scoria stone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: junction of Forest roads 942 and 944, S and above East Logan Draw, ca 26 air mi SSE of Wright; ca 12.5 air mi NNW of Bill.
Sagebrush/grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: above Darlington Draw and S of Tepee Benchmark on Forest Road 923, ca 32 air mi E of Wright; ca 34 air mi WSW of Newcastle.
Sagebrush with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: tributary of Piney Creek on Piney Creek or County Road 17, ca 25 air mi ESE of Wright; ca 43 air mi WSW of Newcastle.
Grassland with patches of sparser vegetation on stony soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: clay balds, on two track W of Keeline or Forest Road 930, ca 20.5 air mi ESE of Wright; ca 45 air mi SSE of Gillette.
Sagebrush with nearly bare clay patches. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountain Ranch Road, ca 2-2.5 air mi NNE to NE of Lamont.
Sagebrush flats and rocky ridge. Phenology: flowering.
with Amy J. Roderick

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills around gravel pit on two-track road off of School Creek or Forest Road 968, ca 17 air mi SE of Wright; ca 42 air mi SSE of Gillette.
Hills with stoney soil in grassland. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: badlands immediately N of Coal Creek, on Wyo Hwy 59, ca 24 mi ENE of Gillette; ca 31 air mi NW of Moorcroft.
Sagebrush grassland with rocky outcrops. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: badlands ca 1 mi NW of Soda Well, on Forest Road 1247B, ca 31 air mi NNE of Gillette; ca 34 air mi NNW of Moorcroft.
Sagebrush grassland with clayey bare patches and ravines with ponderosa pine and Rocky Mountain juniper. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Whiskey Gap and E up hogback.
Sandstone and limestone south exposure, also area below around spring. Phenology: flowering.
with Amy J. Roderick

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: hills forming southwest portion of Archie Draw on Forest Road 962, ca 13 air mi ENE of Bill; ca 26 air mi NW of Lance Creek.
Wyoming big sagebrush grassland intermixed with yucca. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: hills N of Calamity Gulch, on dirt road off Wyo Hwy 59, ca 10 air mi NW of Bill; ca 29 air mi S of Wright.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge S and E of Patrick Creek and Thornton on County Road 32, ca 7 air mi NW of Upton; ca 13 air mi SE of Moorcroft.
Sagebrush grassland with rocky clay patches. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridges by radio tower W of West Fork Buffalo Creek on dirt road (continuation of County Road 18), ca 14 air mi SW of Upton; ca 30 air mi WNW of Newcastle.
Sagebrush grassland with slopes of little bluestem and rock outcrops. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills S of Dry Creek on T-7 Road, ca 24 air mi SE of Gillette; ca 19 air mi NE of Wright.
Sagebrush grassland with barer areas of rocky soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills SE of and draining to Dry Forks Spring Creek on two-track off York or Forest Road 900, ca 30 air mi NNE of Gillette; ca 32 air mi NW of Moorcroft.
Stipa comata - Koeleria grassland with patches of Schizachyrium. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: hills between Philips Draw and Dugout Creek immediately W of train tracks, ca 12 air mi NW of Bill; ca 27 air mi SSE of Wright.
Grassland with Artemisia tridentata and A. pedatifida. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Lake Creek on County Road 38, ca 10 air mi NE of Bill; ca 35 air mi SE of Wright.
Sagebrush grassland with yucca patches and clay balds. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: hills between Snyder and Dogie creeks, on North Lance Creek or County Road 14, ca 43 air mi SW of Newcastle; ca 25 air mi NNW of Lance Creek.
Outcrop of broken sandstone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: hills N of Snyder Creek and SE of the confluence of Windmill and North Pasture draws, on Dixon or County Road 2, ca 38 air mi SW of Newcastle; ca 28 air mi N of Lance Creek.
Sandstone outcrop and sandy area below. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills S of and draining to West Fork Fiddler Creek on Upton - Fairview or County Road 59, ca 11 air mi S of Upton; ca 22 air mi WNW of Newcastle.
Grassland in sandy soil with rock outcrops. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge immediately NE of Beaver Creek, on Upton - Fairview or County Road 59, ca 3 air mi S of Upton; ca 25 air mi NW of Newcastle.
Sagebrush grassland with rocky clay patches. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: southern edge of Buck Creek Hills, on Meridian or County Road 17, ca 24 air mi N of Lusk; ca 13 air mi ENE of Lance Creek.
Grassland with widely spaced yucca. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills S of Buzzard Creek, on two-track off Keeline or Forest Road 930, ca 22 air mi E of Wright; ca 47 air mi SSE of Gillette.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: North Fork Bear Creek and evirons, on Jenne Trail or County Road 34, ca 19 air mi WNW of Bill; ca 33 air mi SSW of Wright.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: two track to Black Rock Draw, 1 mi from County Road 321; ca 6 air mi NW of northwest end of Pathfinder Reservoir.
Sandy areas and granite ridge. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Belle Fourche River off Hilight or County Road 52, ca 16 air mi N of Wright; ca 22 air mi S of Gillette.
Steep slope above riverbank, scattered sagebrush and bare soil. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: west slope of Soda Butte, on Wyo Hwy 116, ca 10 air mi SW of Upton; ca 44 air mi ESE of Gillette.
Rock outcrop in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: ca 1 mi E of Beulah Bell Lake.
Sagebrush flats and slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: TA Buttes on two-track road off Union Chapel Road, ca 6 air mi SE of Gillette; ca 4.5 air mi S of Wyodak.
Mosaic of sagebrush grassland and grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Olson Draw, on two track road off Forest Road 1619, ca 14 air mi SE of Wright; ca 48 air mi S of Gillette.
Sagebrush grassland, Bouteloua gracilis abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Shale hills and sandy areas and badlands. Phenology: flowering.
with Amy J. Roderick and Cherie Winner

U.S.A., Wyoming, Albany County: Upper North Platte and Laramie River Drainages: ca 3 air mi NE of north end of Wheatland Reservoir No. 3.
Calcareous slope, common. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along east side of Lane 42, 3.5 mi S of Burlington.
Saltbush-greasewood community with Atriplex gardneri, Musineon divaricatum, Xylorhiza glabriuscula, and Cymopterus acaulis. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Little Dry Creek Road 3/4 mi E of Wyo Hwy 32, 5 mi N of U.S. Hwy 14, 20 mi W of Greybull.
T53N R96W S18
Sagebrush - saltbush steppe with Artemisia pedatifida, Atriplex gardneri, Xylorhiza glabriuscula, and Halogeton glomeratus.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 1/3 mi W of Wyo Hwy 32 and 1/4 mi W of Coon Creek.
T54N R97W S34; also S35
Saltbush-sagebrush-grassland with Atriplex gardneri, Artemisia tridentata var. wyomingensis, Poa secunda, and Musineon divaricatum abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: north-south ridge S of The Wall and W of Big Creek, ca 5-6 mi N of U.S. Hwy 14, 16, & 20.
Sagebrush-grassland communities. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Whit Creek, ca 1 mi S of Wapiti.
Sagebrush-grassland community. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge E of Pagoda Creek, ca 1.5-2.5 mi S of U.S. Hwy 14, 16, & 20.
Open, rocky areas with scattered Douglas fir and limber pine. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along north side of North Fork Shoshone River, ca 0.5 mi W of the mouth of Canyon Creek.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge immediately W of Dunn Creek, ca 1-2 mi NW of Wapiti.
In sagebrush-grassland community with Elymus spicatus, Koeleria macrantha and Artemisia frigida. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
In rocky, open sagebrush-grassland community. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 1/8 mi W of Horse Creek and ca 1-2 mi N of U.S. Hwy 14, 16, & 20.
On bench above creek in sagebrush-grassland/woodland mosaic with Artemisia tridentata, Artemisia nova and Elymus spicatus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge between Horse and Sweetwater creeks, ca 1.5-3 mi N of U.S. Hwy 14, 16, & 20.
Open, rocky ridge-top with scattered Douglas fir and limber pine. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge between Lost and Canyon creeks, ca 2-4 mi S of U.S. Hwy 14, 16, & 20.
Open, rocky ridgetop with scattered Douglas fir and limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: north-south trending ridge between Horse Creek and Grizzly Creek ca 2-5 mi N of U.S. Hwy 14, 16, & 20.
Rocky ridgetop, sagebrush-grassland/Douglas fir-limber pine mosaic. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge E of Clocktower Creek, ca 3-4 mi S of U.S. Hwy 14, 16, & 20.
Rocky ridgetop with some scattered Douglas fir and limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Open, overgrazed sagebrush-grassland on limestone substrates. Phenology: fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
In meadows dominated by Festuca idahoensis, Leucopoa kingii, Astragalas miser var decumbens & Oxytropis campestris on substrate derived from volcanic rocks. Phenology: flowering & fruiting.

Summit and north facing slopes below in Douglas fir woodland and rocky openings. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge ca 0.5-1 mi N of Agee Creek, ca 9.0-9.5 mi N of U.S. Hwy 14, 16, & 20.
On open, rocky, south facing slope, sparsely vegetated, loose soil. Phenology: flowering.

U.S.A., Montana, Carbon County: Bighorn Basin: along Crooked Creek Road, ca 13 mi N of Lovell, Wyoming.
Sagebrush-saltbrush-grassland with scattered Juniperous scopulorum with dominants Bouteloua gracilis and Stipa comata. Phenology: flowering & fruiting.
Accession: RM 618980

U.S.A., Wyoming, Park County: Bighorn Basin: ridge N & W of the Newton Lakes, ca 4 mi NW of Cody.
Sagebrush-grassland with some scattered Pinus flexilis in places on rocky substrates with Artemisia nova, Penstemon laricifolius, Eriogonum pauciflorum, Bouteloua gracilis and Carex filifolia.

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Sagebrush-grassland with Artemisia pedatifida, Hymenoxys acaulis, Atriplex confertifolia, and Bouteloua gracilis. Phenology: flowering.
Accession: RM 779870

U.S.A., Montana, Stillwater County: Ca 1/4-1/2 mi S of Cliff Swallow fishing access site, ca 10 mi W of Absarokee.
Ponderosa pine woodland and openings with Arenaria congesta var. lithophila, Agropyron spicatum, Leucopoa kingii, and Claytonia perfoliata Phenology: flowering.
Annotated by R. L. Hartman &R. Rabeler in 2004.

U.S.A., Montana, Stillwater County: [location and coordinates withheld]
Grassland on south side of creek with Cerastium arvense, Festuca idahoensis, and Castilleja sessiliflora. Phenology: flowering & fruiting.
Annotated by R. L. Hartman &R. Rabeler in 2004.

U.S.A., Montana, Sweet Grass County: [location and coordinates withheld]
Grassland with Carex filifolia, Agropyron spicatum, and Arenaria hookeri. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: [location and coordinates withheld]
Grassland with Zigadenus venenosus, Carex stenophylla, Balsamorhiza incana, and Cerastium arvense. Phenology: flowering & fruiting.
Annotated by R. L. Hartman &R. Rabeler in 2004.

U.S.A., Montana, Carbon County: Shupak Pond, ca 6 mi NNW of Belfry.
Disturbed sagebrush-grassland S of pond with Erigeron pumilus, Alyssum desertorum, Lappula redowskii, and Bromus tectorum. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 0.5 mi NE of Grass Creek, just N of Cottonwood Creek Road, ca 22 mi NW of Thermopolis.
Shrub steppe with Atriplex confertifolia, Atriplex gardneri, Lappula redowskii, and Xylorhiza glabriuscula. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Gebo (abandoned townsite), ca 10 mi N of of Thermopolis.
Disturbed areas with Chorispora tenella, Lappula redowskii, and Alyssum desertorum. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along east side of Murphy Draw Road, ca 3/4 mi N of Wyo Hwy 431.
Saltbush-grassland with Atriplex gardneri, Atriplex confertifolia, Musineon divaricatum, and Vicia americana. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along northeast side of Murphy Draw Road, ca 4 mi N of Wyo Hwy 431.
Disturbed saltbush-grassland with Atriplex gardneri, Thlaspi arvense, Bromus tectorum, and Allium textile. Phenology: flowering.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Saltbush-forbland with Atriplex gardneri, Allium textile, Lomatium foeniculaceum, Penstemon eriantherus, and Artemisia pedatifida. Phenology: flowering.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Saltbush steppe with Atriplex gardneri, Atriplex confertifolia, Phlox muscoides, and Carex filifolia. Phenology: flowering.

U.S.A., Montana, Carbon County: Ridge 2.5 mi SW of Fromberg and 3/4 mi W of U.S. Highway 310.
Sagebrush-grassland with Atriplex confertifolia, Sarcobatus vermiculatus, and Carex filifolia. Phenology: flowering.

U.S.A., Montana, Stillwater County: Ridge ca 1/4 mi E of Montana Highway 78, 1 mi NE of Absarokee.
Disturbed sagebrush grassland with Allium textile, Agropyron spicatum, and Artemisia frigida. Phenology: flowering.

U.S.A., Montana, Carbon County: Ridge 1 mi W of Belfry and 1/4 mi N of Mont Hwy 308.
Sagebrush-grassland with Atriplex confertifolia, Agropyron spicatum, and Astragalus missouriensis. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Gallatin Range foothills: ridge 1/8-1/4 mi N of Cokedale Road, 6 mi W of Livingston.
Grassland/forbland on south facing slope and rocky breaks with scattered juniper and limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge just N of Cottonwood Creek at bridge, ca 30 mi NW of Thermopolis.
Overgrazed sagebrush-grassland with Bromus tectorum, Arenaria hookeri, and Plantago patagonica. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: ridge just S of county road and North Fork Owl Creek, ca 4 mi NNE of Anchor Reservoir; ca 30 mi W of Thermopolis.
Rocky grassland on limestone with Koeleria macrantha, Stipa comata, Carex filifolia, and a few Pinus flexilis. Phenology: flowering.

U.S.A., Montana, Park County: Along the south side of the Old Boulder Road E of the Yellowstone River just outside of Livingston.
T2S R10E S18
Grassland with Koeleria macrantha, Bouteloua gracilis, Arenaria hookeri, and Castilleja pallescens. Phenology: flowering.

Rough breaks of various sagebrushes with reclaimed areas. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 1/4 - 1/2 mi N of Little Sand Draw Road, ca 15 mi NW of Thermopolis.
Sagebrush-grassland with Carex filifolia, Stipa comata, and Delphinium geyeri. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge ca 0.5 mi S of Kirby Creek just east of Blue Springs Draw, 20 mi NE of Thermopolis.
Sagebrush-grassland with Stipa comata, Bromus tectorum, and Bouteloua gracilis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Bridger Mountains: south side of Birdseye Mountain, 1.5 mi SW of Birdseye Pass; 14 mi N of Shoshoni.
Sagebrush-grassland with scattered juniper, Carex filifolia, Koeleria macrantha, and Lomatium orientale. Phenology: flowering & fruiting.

U.S.A., Montana, Stillwater County: Along Whitebird Creek, ca 10 mi S of Columbus.
Grassland with Bouteloua gracilis, Koeleria macrantha, and Delphinium bicolor. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: major tributary of Third Sand Creek S of Second Sand Creek, ca 6.6 air mi NNE of Elk Mountain townsite; ca 12 mi SE of Hanna.
Rolling sagebrush steppe with rough breaks. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Needle Peak N of Baggot or County Road 680, ca 11.2 air mi NE of Encampment; ca 20.2 air mi SW of Saratoga.
Granite slopes with scattered juniper. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: summit of Sheep Mountain E of Wyo Hwy 71, ca 18.7 air mi S of Rawlins.
Cushion community with scattered Artemisia tridentata and A. pedatifida; gravel and shale rock. Phenology: flowering.

Sandstone pavement, rimrock, and adjacent slopes with cushion plant community or sagebrush steppe. Phenology: flowering.
Annotated by Laura Welp.
with Laura Welp
Accession: (unaccessioned)

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: ridge along south side of Lost Soldier Creek off Wyo Hwy 73 between Lamont and Bairoil, ca 32.5 air mi NNW of Rawlins.
Sandstone ridge and adjacent slopes. Phenology: flowering.
Annotated by Laura Welp.
with Laura Welp
Accession: (unaccessioned)

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: along Lost Soldier Creek on Bairoil or County Road 22, ca 4.5 air mi W of Bairoil, ca 42 air mi NNE of Wamsutter; ca 36.5 air mi NW of Rawlins.
Stony sagebrush-grassland. Phenology: flowering.
Annotated by Laura Welp.
with Laura Welp

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: Cottonwood Creek and vicinity on the north side of the mountain, ca 10 air mi SW of Jeffrey City; ca 48 air mi SE of Lander.
Stream bank, old beaver ponds, and aspen woods along the stream. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Windy Hill on Riner Cutoff or BLM Road 3203, ca 23 air mi NE of Wamsutter; ca 18.5 air mi WNW of Rawlins.
Sandy slopes below sandstone-mudstone cliffs. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Chain Lakes Rim along Riner Cutoff or BLM Road 3203, ca 2 air mi S of Chain Lakes, ca 19.5 air mi NNE of Wamsutter.
Sandy to sandy-clay slopes with sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: sand dunes and slope along Greasewood Wash, ca 4 air mi N of Black Rock, ca 32.5 mi NE of Rock Springs.
Sandy slopes with sagebrush and patches of hopsage. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Base and slope of butte, fine dry soil with volcanic boulder talus; Grayia and Artemisia shrubs with Oryzopsis and Elymus spicatus dominant. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: top and sides of Continental Divide in rolling plains, ca 12 air mi S of Creston Junction; ca 17 air mi SE of Wamsutter.
Sparsely vegetated knoll dominated by graminoids; dry, rocky soil with selenium present. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Smith Draw, ca 5.5 air mi SE of Rawlins; ca 6 air mi SSW of Sinclair.
Sagebrush with a few scattered greasewoods on flats and slopes with sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: north of Silver Creek, ca 14 air mi E of Atlantic City; ca 19 air mi NE of Continental Peak.
Draws and depressions where moisture persists; dry sandy soil; dense, low sagebrush and snowberry dominant; forbs in shelter of shrubs. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Slate Ridge W of Wyo Hwy 487, ca 3.9 air mi N of Medicine Bow townsite.
Shale ridge with scattered ponderosa pine and greasewood bottom. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: ca 5 air mi SW of Chalk Butte; ca 20 air mi NE of Point of Rocks.
South-facing slope in rolling hills; soil dry and sandy with low (<12") Grayia shrubs. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: north side of Alkali Draw, ca 2.5 air mi NE of the Pinnacles; ca 9 air mi W of Buffalo Hump Lake.
Shallow, narrow draws in south-facing slope; partially vegetated with grasses and scattered low sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: along Bush Rim, ca 8.5 air mi S of Oregon Butte; ca 7.5 air mi NW of the Pinnacles.
Steep, north-facing slope near spring; low sagebrush dominant; dry, rocky soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: slope of Oregon Butte, ca 7 air mi W of Continental Peak; ca 14 air mi NNW of the Pinnacles.
Steep north-facing slopes near base of butte; partially vegetated with grasses and low sagebrush dominant; dry, rocky soil. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: ca 1.5 air mi W of Continental Peak; ca 6 air mi E of Oregon Buttes.
Top and north-facing slopes of sandstone rim; partially vegetated with low sagebrush dominant; dry sandy soil. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: Bare Ring Butte, ca 15.5 air mi W of Bairoil; ca 8.5 air mi SSE of Crooks Peak.
Steep, west-facing slope of butte; dry, rocky soil; grasses dominant, scattered shrubs. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: near West Cottonwood Creek, ca 6.5 air mi ENE of Crooks Peak; ca 12.5 air mi W of Three Forks.
East-facing slope of drainage; 1-2' tall sagebrush and graminoids dominant; silty, rocky soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Rador Springs, along Black Rock Creek, ca 2.5 mi W of Black Rock; ca 13.5 air mi NNE of Point of Rocks.
Seep in flat greasewood draw with patches of interspersed graminoids and shrubs; clay soil with salt deposits. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: along rim in Owl Hills, ca 12 air mi SE of Jeffrey City; ca 12.5 air mi W of Three Forks.
West-facing slope of drainage in steep hills; grasses dominant; soil rocky, unstable. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: base of north side of Crooks Peak, ca 9.5 air mi S of Jeffrey City; ca 4 air mi W of Sheep Mountain.
Base of steep north-facing slope with sandstone formations; partially vegetated with rabbitbrush and sagebrush dominant, scattered pine; dry, course sandstone soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Eroded slopes and flats below with drainage. Phenology: flowering.

Sagebrush slopes, area beneath snow fence, and shale and sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Delany Rim, ca 5 air mi S of Tipton.
Sandy sagebrush areas below, eroded rim, and cushion community above; also areas of slumping with standing water. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Willow Hill area, ca 13 air mi NW of Rawlins.
Limestone and sandstone outcrops, sandy and clay slopes with stream and pond below. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain, ca 7 air mi W of Muddy Gap.
Streamside, rocky slopes, and lodgepole pine covered slopes. Phenology: flowering.

Anticlinal ridge with bands of sandstones, shales, mudstones, and clay, sandy clay, or sandy soils. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: north end of Shamrock Hills just above Separation Flats, ca 19.5 air mi SSE of Bairoil; ca 16.5 air mi NNW of Rawlins.
Level areas and gentle slopes with alternating bands of sandstone and clay, sandy clay, or sandy soils and mostly cushion or low growing plants. Phenology: flowering.

Sandy clay slopes with sandstone rocks. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: W of U.S. Hwy 287 ca 1.5 air mi NW of Ninemile Hill on the Continental Divide, ca 10 air mi NNW of Rawlins.
Cushion plant community on limestone ridge and slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: along Dugout Draw at the west edge of Red Desert Basin, ca 27 air mi WNW of Wamsutter, ca 44 air mi ENE of Rock Springs.
Salt desert shrub with sparsely vegetated areas and knolls. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Horseshoe Bend E of County Road 67, ca 23.5 air mi NW of Wamsutter; ca 54.5 air mi ENE of Rock Springs.
Sparsely vegetated slopes of clay, mudstone, shales, and sandstones on a rim. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: at the intersection of county roads 20 and 21, ca 3.5 air mi WNW of Chalk Butte; ca 32.5 air mi NW of Wamsutter; ca 44.5 air mi NE of Rock Springs.
Low sagebrush flats on sandy-gravelly soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: south end of Separation Rim, ca 17 air mi S of Bairoil; ca 19 air mi N of Rawlins.
Moist crevice at base of rock with sandy soil. Phenology: flowering.

Top of low ridge with grasses and scattered sagebrush; sandy, rocky soil with sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: base of Steamboat Mountain, ca 14 air mi N of Superior; ca 5 air mi NW of Greasewood Reservoir.
Partially vegetated sandstone and mudstone slopes at base of mountain; silty, shallow soil with rocks. Phenology: flowering.

Gentle south facing slope with grasses and sagebrush; sandy soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: top of Red Rim, ca 8 air mi SW of Hadsell; ca 13.5 air mi E of Creston Junction.
Sandstone outcrops on ridgetop; sandy soil. Phenology: flowering.

Partially vegetated west facing slope with grasses and scattered low sagebrush; sandy soil with sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: flat near Separation Creek, ca 7 air mi E of Separation Point; ca 16 air mi S of Ferris.
Low basin with grasses, scattered sagebrush, and greasewood; sandy soil with clay in lower areas. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: ridge near Windy Hill, ca 8.5 air mi NE of Creston Junction; ca 19 air mi W of Rawlins.
Top of ridge with grasses; sandy, rocky soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: ridge in Red Desert Basin, ca 16 air mi NW of Red Desert; ca 9.5 air mi SE of Chalk Butte.
Partly vegetated northwest facing soil with grasses and sagebrush; fine sandy soil with gravel. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: ca 31 air mi N of Red Desert; ca 22 air mi S of Sweetwater Station.
Top of low ridge with grasses and sagebrush; fine soil with gravel. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: ca 7.5 air mi N of Eagles Nest; ca 14 air mi NE of Bastard Butte.
Crest of hill; fine white clay soil; sparsely vegetated. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: ca 6.5 air mi NW of Eagles Nest; ca 8.5 air mi E of Bastard Butte.
Partially vegetated low ridge with grasses and scattered low sagebrush; fine sandy soil with gravel. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Buffalo Hump, ca 8 air mi SW of Bastard Butte; ca 10 air mi NE of The Pinnacles.
Top of hill with grasses and scattered sagebrush; fine sandy soil with fine gravel. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Cyclone Rim, ca 9.5 air mi NE of Bastard Butte; ca 4.5 air mi SW of Flattop Buttes.
Partially vegetated rimtop with grasses and low sagebrush; fine sandy soil with rocks. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: rimtop ca 3 air mi NNE of Continental Peak; ca 11 air mi WSW of St. Marys Peak.
Top of rim with Plox, Arenaria, and grasses; rocky, silty soil. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: ca 8 air mi ENE of Continental Peak; ca 7 air mi SW of St. Marys Peak.
Partially vegetated rimtop with grasses; rocky soil. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: ca 20 air mi SSE of Lander; ca 9 air mi N of Schoettlin Mountain.
Steep, partially vegetated north facing slope with grasses; shaley soil. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: slopes of Continental Peak, ca 7 air mi E of Oregon Buttes; ca 11 air mi W of Circle Bar Lake.
Partially vegetated base of peak with grasses and scattered sagebrush; silty, sandy soil with rocks. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Top of mountain with grasses, low sagebrush shrubs, and scattered pines; rocky, gravelly soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Split Rock Canyon, ca 5 air mi NE of Steamboat Mountain; ca 2.5 air mi S of Freighter Spring.
Partially vegetated west facing slope with grasses; sandy soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Bush Rim, ca 3.5 air mi N of Freighter Spring; ca 12 air mi S of Oregon Buttes.
Partially vegetated rimtop with Artemisia pedatifida and grasses; thin shaley soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Bush Rim, ca 4 air mi SW of Oregon Buttes; 6.5 air mi NE of Rock Cabin Spring.
Sparsely vegetated east facing slope of sandstone outcrop. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: Dilabaugh Buttes and Dilabaugh Spring, ca 6 air mi W of Schoettlin Mountain; ca 12 air mi E of Roundtop Mountain.
Partially vegetated NW facing slope of butte; rocky, sandy soil. Phenology: flowering.

Partially vegetated rimtop with scattered grasses and sagebrush; rocky sandy soil with sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: sand dunes near Table Mountain ca 6 air mi SE of Ferris; ca 3 air mi N of Windy Ridge.
Partially vegetated sand dunes with sagebrush and grasses. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Boggy Meadows, ca 4 air mi E of Separation Point; ca 6 air mi W of Rendle Spring.
Partially vegetated sand dune. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Antelope Reservoir, ca 7 air mi W of Bare Ring Butte; ca 14 air mi NE of Eagles Nest Spring.
Slight north facing slope of hill with sagebrush and grasses; fine sandy soil with rocks. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Larson Knoll, ca 23 air mi NW of Rawlins; ca 15 air mi N of Creston Junction.
South facing slope of knoll with sagebrush and grasses; sandy soil. Phenology: flowering.

Partially vegetated knoll with grasses and sagebrush; sandy rocky soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Haystack Mountains, ca 9.5 air mi NE of Rawlins; ca 5 air mi SE of Dry Lake.
Partially vegetated west facing slope with sandy rocky soil. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: rim ca 5 air mi NW of Continental Peak; 3 air mi E of Dickie Springs.
Partially vegetated rocky rimtop with low sagebrush and grasses; sandy soil, granite boulders. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Freezeout Mountains: ca 1 air mi from junction of Wyo Hwy 77 and Wyo Hwy 487, ca 22 air mi NW of Medicine Bow.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 9 air mi SW of Ross Butte.
Mesa rim and slopes. Phenology: flowering.
Annotated by Thomas Cramer.

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: Granite Mountains: rock outcrop S of Agate Flats, ca 12.5 air mi NE of Jeffrey City.
Gravelly-sandy sagebrush grasslands. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Ranges: Sierra Madre: ca 13 air mi NNW of Bridger Peak.
Sandy slope with sagebrush and areas with selenium indicating plants. Phenology: flowering & fruiting.
with Nancy Kastning

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Hams Fork Plateau: Dempsey Ridge Road, ca 5 air mi NW of Kemmerer.
Sagebrush slopes, rock outcrops, and windswept ridges. Phenology: flowering.
with Tom Cramer and Charmaine Refsdal

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Wheat Creek to Windy Gap and Oyster Ridge, ca 14 air mi N of Kemmerer.
Sagebrush slopes, sandstone and limestone outcrops, cushion plant communities on ridge, wet draws, and stream margins. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: badlands area ca 1 air mi N of Round Mountain; ca 11 air mi NE of Kemmerer.
Partially barren slopes with shrubs in ravines, cushion plant communities, and redbeds. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: south side below Youngs Pass, ca 31 air mi N of Rawlins; ca 11 air mi SE of Three Forks Junction.
Gentle sagebrush slope with red sandy soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Freezeout Mountains: west end of range S of Red Draw, ca 14 air mi NW of Medicine Bow townsite.
Sagebrush/snowberry draw in sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: terrace above East Fork at South Boundary of Spence/Moriarity WHMA: ca 9.5 air mi SE of Dubois; up good road from East Fork Road past gravel pit; seventh power pole past hill crest (just before driveway).
Stipa comata stand. Plot 93085 SE, SE, NE Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: On terrace W of Wiggins Fork, ca 6.5 air mi NE of Dubois; SSW of top of switchback down to Wiggins Fork.
Artemisia tridentata var. wyomingensis, Elymus spicatus stand. Plot 93043 NE, NE, NE Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Wiggins/East forks confluence: ca 8 air mi E of Dubois, ca 100 yds S of north fork of 2-track along the north side of the Wiggins Fork; ca 0.7 mi from East Fork Road.
Artemisia tridentata stand. Plot 93001 SW SW NE Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Wiggins/East forks confluence: ca 8 air mi east of Dubois, ca 100 yards south of north fork of 2 track along the north side of the Wiggins Fork; ca 0.7 mi from East Fork Road.
Artemisia tridentata var. wyomingensis, Elymus spicatus stand. Plot 93063 SW, NE, NW Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Mason Draw grassland: ca 2 air mi NE of Dubois; old 2-track, which is the beginning of a nature trail; at fence corner, and just before trail leaves 2-track, go left (N) ca 50yds.
Grassland. Plot 94008 NE, NE, NW Phenology: flowering & fruiting.
with Susanne Neumiller

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Wind River Badlands, Mason Draw: ca 1.5 air mi NE of Dubois.
T41N R106W S5
Plot spans a gully at the bottom of a steep draw in sagebrush. Plot 94009 SE, NE, C Phenology: flowering & fruiting.
with Susanne Neumiller

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station.
Sagebrush with scattered Pinus flexilis; dry areas.
Robert S. Kirkpatrick, 3627. 7/5/1984.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: S of Sugarloaf or Forest Road 900, just E and NE of Strawstack Butte, ca 16.5 air mi NNE of Crawford.
Mosiac of grassland, badlands, rocky slopes of clay, and drainage bottoms. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 7-7.5 air mi NW of Crawford.
On pine ridge of gravel and sand; pine woodland. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 8-8.5 air mi NW of Edgemont and 3 mi W of County Road 9.
On mesa tops and slopes; sand and rock soil. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 5.5-6 air mi SW of Edgemont.
On juniper ridges of rock and shale. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 35-35.5 air mi NW of Crawford and ca 0.5 mi S of Forest Road 931.
Grass upland. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 27.5-28 air mi NW of Crawford.
On ridge of rockand sand. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 15 air mi N of Crawford, 1/4 mi E of Sugarloaf Butte.
Agate rock bed, interspersed with sand and clay limestone soils. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 14.5-15 air mi SE of Hermosa and 2.4 mi N of County Road 18.
Butte rock slopes and top. Phenology: flowering.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 18.5-19 air mi NNW of Crawford and just S of Forest Road 909.
In Juniper horizontalis draw of rock, gravel and sand. Phenology: flowering.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 15 mi N of Crawford and on Forest Road 919.
On ridgetop down to resevoir. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 14.5 air mi NW of Crawford on Hudson-Meng Bison Bonebed Trail, 0.5 mi SW of Toadstool Geologic Park.
Soils are heavy white clay below with clay sand mix at top of "toadstool" geologic formations. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 12.5-13 air mi NW of Crawford.
On rocky ridge and side slopes. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 12.5-13 air mi NW of Crawford.
In deep drainage. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: canyon N of Moss Agate Creek ca 0.5 - 1 mi S of County Road 9C, 10.5 -11 air mi NW of Edgemont.
In gravel and sand. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: butte N of County Road 9, 5.5 - 6 mi NNW of Edgemont.
Butte top. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 33 air mi NW of Crawford, N of Forest Road 931.
Butte summits. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 9-9.5 air mi ESE of Fairburn in the Fairburn Agate/Rock beds.
Rock substrate with clay soil interstices. Phenology: flowering.
with Don Hazlett

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Platte Pipeline or BLM Road 1430, ca 3/4-1 air mi S of Red Hill, ca 13.5 air mi W of Worland.
Stony clay slopes with scattered sagebrush and saltbush. Phenology: flowering.
with Luanne Lum

U.S.A., Wyoming, Big Horn County: Bighorn Basin: near the head of South Fork Dorsey Creek on Dorsey Creek or BLM Road 1103, ca 4 air SE of Sheep Mountain, ca 8 air mi SSW of Otto; ca 17 air mi WSW of Basin.
Flats below the badlands with scattered shrubs and sandstone outcrop. Phenology: flowering.
with Luanne Lum

U.S.A., Wyoming, Park County: Bighorn Basin: south end of Tonopah Ridge on Schaub Butte, ca 5 air mi ENE of Pitchfork; ca 10 air mi WSW of Meeteetse.
Elymus spicatus grassland with scattered sagebrush on steep cobblestone slopes. Phenology: flowering.
with Luanne Lum

U.S.A., Wyoming, Park County: Bighorn Basin: at the head of Sand Spring Draw above Rimrock Basin, ca 9 air mi NE of Meeteetse; ca 25 air mi SE of Cody.
Sandy clay flats in the breaks. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: near the head of Wildcat Gulch and Double Draw on BLM Road 1406, ca 4.5 air mi NE of Cedar Mountain, ca 6 air mi SE of Winchester; ca 15 air mi SSW of Worland.
Sandy knoll with sandstone and sagebrush slopes below. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Gooseberry Creek or County Road 14, ca 16 air mi ESE of Meeteetse.
Sagebrush. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Cherry Creek or County Road 80, ca 5 air mi SW of Mahogany Butte, ca 32 air mi S of Ten Sleep.
Sagebrush, also grasses dominant; sandy soil with fines. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: SE of Wardel Reservoir dam, ca 13 air mi WSW of Basin and ca 16 air mi WSW of Greybull.
Sagebrush. Phenology: flowering & fruiting.
with Michelle Wilson

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 7RP near Clarks Fork Yellowstone River, ca 23.5 air mi NNW of Cody.
Sagebrush in sandy soil with cobbles. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1427 W of Sand Creek, ca 7.3 air mi NE of Worland.
Sagebrush and greasewood on mudstone and sandstone. Phenology: buds.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1427 W of Sand Creek, ca 8.3 air mi NE of Worland.
Sagebrush and greasewood on mudstone and sandstone. Phenology: buds.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1427 W of Sand Creek, ca 9.2 air mi NE of Worland.
Sagebrush and greasewood on mudstone and sandstone. Phenology: buds.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Fifteen Mile or BLM Road 1429, ca 7 air mi NW of Worland.
Sagebrush and greasewood in sandy soil with cobbles. Phenology: buds.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Fifteenmile or BLM Road 1429, ca 12 air mi NW of Worland.
Sagebrush and greasewood in sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Fifteenmile or BLM Road 1428, ca 7.2 air mi NNE of Worland.
Sagebrush on sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along U.S. Hwy 16, ca 1.9 air mi ESE of Ten Sleep.
Juniper with sagebrush and yucca on sandy soil and shale. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: butte S of County Road 324, ca 5 air mi ENE of Sinclair; ca 9.5 air mi E of Rawlins.
Dry shale slope dominated by rabbitbrush, sagebrush, snakeweed, and selenium indicators. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1404, ca 9.0 air mi S of Worland and S of East Fork Nowater Creek.
Sagebrush on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: E of Cottonwood Creek and Wildhorse Hill, ca 7.1 air mi ENE of Ten Sleep.
Sagebrush and juniper on sandy slope. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 47 at Red Gulch, ca 8.2 air mi NW of Ten Sleep.
Sagebrush and juniper on sandy slope. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1435, ca 4 air mi WSW of Ten Sleep.
Sagebrush on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along BLM Road 1409, south tributary and headwaters of Mud Creek, ca 21.8 air mi ENE of Thermopolis.
Sagebrush on sandy soil of Cody shale. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along BLM Road 1409 S of Nowater Creek and W of Scorpion Draw, ca 24.5 air mi ENE of Thermopolis.
Sagebrush on sandy soil of Cody shale. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along County Road 26, ca 3.7 air mi NE of Thermopolis and E of Bighorn River.
Juniper and sagebrush on sandstone. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Centennial Road, ca 6.1 air mi ENE of Thermopolis.
Juniper and sagebrush on sandstone. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dorsey Creek or BLM Road 1103, ca 7 air mi ESE of Otto and ca 11.5 air mi ESE of Greybull.
Sagebrush on sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 7UH and S of Goff Lake, ca 10.1 air mi NW of Cody.
Sagebrush on sandy soil. Phenology: flowering.
with Al Flinck

U.S.A., Wyoming, Park County: Bighorn Basin: along BLM Road 1314 and Pickett Creek, ca 18.5 air mi WSW of Meeteetse.
Disturbed upland. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along Francs Creek, ca 17 air mi WSW of Meeteetse.
Sagebrush. Phenology: flowering & fruiting.
with Michelle Wilson

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: base of Indian Ridge, ca 9 air mi SW of Lander.
Sagebrush grassland/limber pine woodland mosaic on rocky limestone substrate. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Red Canyon ca 1 mi W of Weiser Knoll, ca 14 air mi SE of Lander.
Juniper/sagebrush draws and slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: southeast side of Fairfield Hill, ca 6 air mi SW of Lander.
Recently burned sagebrush grassland toeslope on mixed granite and limestone substrate. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: 1.5 mi S of Weiser Knoll, ca 16 mi SSE of Lander.
Juniper/pine woodland amongst cliffs interspersed with sagebrush grasslands. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1.5 mi WNW of Torrey Lake, ca 5 air mi SSE of Dubois.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1.5 mi SW of Lander Hill, ca 4 air mi W of Lander.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 3 mi SW of Weiser Knoll; ca 15 air mi SSE of Lander.
Rocky meadow on limestone. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Willow Creek and Shields Mine, ca 1 air mi SE of South Pass City.
Sagebrush steppe. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: 1 mi NW of Weiser Knoll, ca 12 air mi SSE of Lander.
Sagebrush steppe. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1 mi SE of Wolf Point; ca 13 air mi S of Lander.
Burned sagebrush meadow. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: west end of Lake Camaehwait (Bass Lake), ca 2 air mi W of Boysen Reservoir, ca 8.5 air mi NW of Shoshoni; ca 20 air mi NNE of Riverton.
Stony sandy or clay slopes and adjacent flats above the lake. Phenology: flowering.
Annotated by Rachel Newton.
with Rob Massatti and Rachel Newton

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Fivemile Creek Bay of Boysen Reservoir and along Fivemile Creek, ca 4.5 air mi W of Shoshoni; ca 17.5 air mi NE of Riverton.
Rocky, sandy slopes. Phenology: flowering.
Annotated by Rachel Newton.
with Rob Massatti and Rachel Newton

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along northeast end of Pilot Butte Reservoir, ca 1 air mi E of Morton; ca 22.7 air mi NW of Riverton.
Sandy clay flats with Atriplex and Artemisia. Phenology: flowering.
Annotated by Rachel Newton.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along Twin Creek and Twin Creek or County Road 19 at the west base of Sheep Mountain, ca 19-19.5 air mi SE of Lander.
Redbed slopes and hills. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Lewiston Lakes, ca 30.5 air mi SE of Lander.
Moderately grazed rocky uplands. Phenology: flowering.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Plumbago Creek, ca 25 air mi N of Laramie.
Steep rocky uplands. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Big Sandy Reservoir, ca 11 air mi N of Farson.
Sandy sagebrush and grass uplands and slopes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Eden Reservoir.
Sandy sagebrush and grass uplands and slopes. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Devils Gate State Historic Site: roadside pullout on Wyo Hwy 220, ca 14 air mi NE from Muddy Gap Junction.
Flat sagebrush grasslands with scattered forbs; somewhat disturbed. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along the Sweetwater River, ca 5 air mi NE of Sweetwater Station; ca 38 air mi SE of Lander.
Up sandy, rocky slopes and ridgetop. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Pacific Creek, ca 17 air mi NE of Farson.
Sandy uplands. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: confluence of Sweetwater River and Sharps Meadows Creek, ca 32 air mi SW of Lander.
Rocky, sandy uplands. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Carmody Lake, ca 2 air mi NW of Sweetwater Station; ca 32 air mi SE of Lander.
Dried up lake, drainage and sandy plains. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Strawberry Creek, ca 26 air mi SE of Lander.
Rocky slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Deep Creek, ca 30 air mi SE of Lander.
Rocky uplands. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Sweetwater River, ca 31 air mi SE of Lander.
Sandy, pebbly canyon walls. Phenology: flowering.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Lake Hattie Reservoir, ca 17 air mi SW of Laramie.
Rocky clay uplands. Phenology: flowering.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Hutton Lake, ca 14 air mi SW of Laramie.
Sandy, dry upland slopes. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Muddy Guard Reservoir #2, ca 9 air mi SSW of Buffalo.
Rocky sandy hillside with scattered Artemisia and Yucca. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Middle Fork Powder River, ca 13 air mi SW of Kaycee.
Rocky exposed slopes. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Meadow Creek, ca 0.5 mi S of Linch; ca 24 air mi ESE of Kaycee.
Heavily grazed hillside with scattered Artemisia. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: Coal Draw of Salt Creek, ca 2.5 air mi NE of Edgerton.
Dry hillside covered with Artemisia. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Wetlands and Adjacent Areas: Spotted Horse Creek, ca 16 air mi NNE of Arvada; ca 56 air mi E of Sheridan.
Dry sandy flood plains and hillsides. Phenology: flowering.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Keyhole Reservoir, ca 9 air mi NE of Moorcroft.
Sandy rocky uplands. Phenology: flowering.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Dry Artemisia scrub uplands. Phenology: flowering.

U.S.A., Wyoming, Albany County: 1 mi N of Laramie.
41.3374° N, 105.5818° W; NAD 83, uncertainty 1 mi., Digital Map
Red sandy soil of Chugwater formation. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Ca 20 mi N of Point of Rocks.
41.8798° N, 108.836° W; NAD 83, uncertainty 3 mi., Digital Map
Sagebrush-shadscale desert; common on rocky hillsides. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: along Birdseye Creek and adjacent slopes and ridges, ca 12 air mi N of Shoshoni; ca 29 air mi NNE of Riverton.
Limestone like rock, ridges, and slopes.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: ridge between North Fork and Middle Fork Owl Creek, ca 19 air mi WSW of Hamilton Dome; ca 37 air mi WNW of Thermopolis.
Volcanic and other cobble and boulders, hills, and draws.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: divide between Coulee Creek (Sand Draw) and Grass Creek Basin, ca 30 air mi NW of Thermopolis; ca 13 air mi NNW of Hamilton Dome.
Artemisia tridentata grasslands and low hills.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: slopes and terraces N of North Fork Owl Creek, ca 7 air mi N of Anchor Reservoir; ca 37 air mi WNW of Thermopolis.
South-facing terraces and slopes along creek.

U.S.A., Wyoming, Park County: Owl Creek/Bridger Mountains: Hogback Ridge, SW of Little Buffalo Basin; ca 5 air mi S of Meeteese; ca 43 air mi NW of Thermopolis.
East-facing slope and sandstone-mudstone ridge.

U.S.A., Wyoming, Lincoln County: Green River Basin: near Elkol, 6 air mi SW of Kemmerer.
Along 4-wheel drive dirt road from Elkol. *Project. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: Adobe Town Rim and vicinity, ca 36 air mi SW of Wamsutter.
On sandstone/shale breaks with Astragalus, Cryptantha, Artemisia, and Agropyron. Common. Phenology: flowering & fruiting.
with Frank Blomquist

U.S.A., Wyoming, Sweetwater County: Black Mountain, ca 28.5 air mi SW of Green River; 14.5 air mi NE of McKinnon.
Soil in the badlands with Haplopappus acaulis, Xylorhiza glabriuscula, and Tanacetum nuttallii. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Hills and Plains.
Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River.
Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Point of Rocks.
On the loose shale and gravel. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Garrett.
On the gravelly slopes of the foothills. Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1942.

U.S.A., Wyoming, Albany County: Garrett.
On the gravelly slopes of the foothills. Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1950.

U.S.A., Wyoming, Albany County: Centennial.
Dry gravel fields. Phenology: flowering.
with Ruth A. Nelson

U.S.A., Wyoming, Fremont County: Wind River Mountains: Union Pass.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Riverton.
Phenology: flowering.
Aven Nelson, s.n.. 5//1920.

U.S.A., Wyoming, Platte County: Wheatland Lakes.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Benchtop between North Fork of Twin Creek and Hay Hollow, E of Fossil Butte National Monument.
Green River shale; undeveloped soils on shale outcrop. Phenology: flowering & fruiting.
with Alan Carpenter

U.S.A., Wyoming, Sweetwater County: Green River.
Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1950.

U.S.A., Wyoming, Campbell County: 20 mi N of Gillette.
Sandy clay loam hills, open cedar type. Phenology: flowering & fruiting.
Charles L. Turner, 48. 6/6/1946.

U.S.A., Wyoming, Converse County: Hills E of Douglas.
Dry sandy soil forming low mats. Phenology: flowering & fruiting.
Annotated by C. L. Porter.

U.S.A., Wyoming, Park County: W of Meeteetse and 1 mi south on the Wood River Road.
Clayton Williams, 299. 6/28/1962.

U.S.A., Wyoming, Big Horn County: Devils Leap in Red Basin.

U.S.A., Wyoming, Sweetwater County: Ca 47 mi E of Rock Springs along Wyo Hwy 430.
T13N R101W S17 SE
Sagebrush/rabbitbrush/saltbrush community. Phenology: flowering.

U.S.A., Wyoming, Uinta County: South Haystack Coal Site.
Rocky, shallow soil; sagebrush-grassland. Phenology: flowering & fruiting.
Annotated by L. M. Mayer.
with L. M. Mayer and J. A. Moore

U.S.A., Wyoming, Laramie County: Ca 9 mi NW of Midway; ca 7 mi N of U.S. Hwy 85 near silo PA-4.
with J. Von Loh

U.S.A., Wyoming, Laramie County: F. E. Warren Air Force Base: near Crow Creek, picnic area.
41.157° N, 104.874° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Grassland. Phenology: buds.
with J. Von Loh

U.S.A., Wyoming, Laramie County: F. E. Warren Air Force Base: 1/4 mi N of Lake Pearson.
Grassland. Phenology: buds.
with J. Von Loh

U.S.A., Wyoming, Fremont County: Game and Fish East Fork Winter Range: Bear Creek, ca 10.5 air mi NE of Dubois.
Growing in gravel, sand or sandy loam on east facing, 0-5% slope of riparian habitat. Phenology: flowering & fruiting.
with D. Jones

U.S.A., Wyoming, Washakie County: Bighorn Basin: Ten Mile Road, 2 mi W of Big Horn River bottom.
Big sagebrush-blue grama vegetation (sandy range site); Artemisia tridentata with Opuntia polycantha and a few Artemisia spinescens; Bouteloa gracilis with some Stipa comata and Sitanion hystrix; abundant Halogeton glomeratus.* Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Stratton Sagebrush Hydrology Study Area.
0-5% slope; south exposure; shallow soil; ridge with cushion plants; frequent. Phenology: flowering & fruiting.
Annotated by Robert C. Gardner.

U.S.A., Wyoming, Carbon County: Stratton Sagebrush Hydrology Study Area.
0-5% slope; south exposure; shallow soil; ridge with cushion plants; frequent. Phenology: flowering & fruiting.
Annotated by R. C. Gardner and C. G. Reeder.
Accession: USFS 620938

U.S.A., Wyoming, Carbon County: Dana Ridge Sagebrush Stripping Study.
Low sagebrush-grass; Wyoming big sagebrush and black sagebrush; common. Phenology: flowering & fruiting.
David L. Sturges, s.n.. 6/27/1975.

U.S.A., Wyoming, Uinta County: 13 mi NW of Lonetree.
Rocky clay soil; growing with Cryptantha and Astragalus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Hanna.
41.8746° N, 106.5667° W; NAD 83, uncertainty 0.5 mi., Digital Map
Dry hills. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Wyoming, Sweetwater County: Leucite Hills.
Dry soil. Phenology: flowering & fruiting.
with E. N. Wilcox

U.S.A., Wyoming, Sweetwater County: Point of Rocks.
Dry soil. Phenology: flowering & fruiting.
with E. N. Wilcox

U.S.A., Wyoming, Park County: Bighorn Basin: along the south side of Buffalo Bill Reservoir, ca 10 mi SW of Cody.
Ridge above reservoir with Allium textile, Arenaria hookeri and Artemisia nova. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along the south side of Buffalo Bill Reservoir, ca 8 mi SW of Cody.
Rocky, open, sparsely vegetated ridge above reservoir with Phlox bryoides, Haplopappus armerioides, Gaura coccinea and Artemisia pedatifida. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: southwest flank of Rattlesnake Mountain, ca 6 mi W of Cody and ca 0.5 mi N of U.S. Hwy 14, 16, & 20.
Sagebrush-grassland community with Artemisia nova, Agropyron spicatum and Hymenoxys acaulis dominating. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along the south side of the North Fork Shoshone River, ca 1 3/4 mi W of Elk Fork Creek and ca 1/8 mi N of U.S. Hwy 14, 16, & 20.
Sagebrush/grassland community. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: southwest end of Rattlesnake Mountain, ca 6 mi W of Cody.
Open Douglas fir-limber pine forest/meadow parkland on limestone substrates. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge just E of Wall Creek, ca 1.5-2.0 mi N of U.S. Hwy 14, 16, & 20.
Open sagebrush/grassland community, dominant species include Artemisia nova, Stipa comata, and Agropyron spicatum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge/divide between Moss Creek and Clearwater Creek, ca 1.5-2.5 mi N of U.S. Hwy 14, 16, & 20.
Open Douglas fir forest and dry, rocky openings. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: divide between Clearwater and Sweetwater creeks, ca 2 mi N of U.S. Hwy 14, 16, & 20.
Rocky, open ridgetop with a few Douglas fir and limber pine, sparsely vegetated, substrate loose and shifting. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/8 mi N of Shoshone River, N of Cody.
Sagebrush-grassland dominated by Carex filifolia, Bouteloua gracilis, and Artemisia tridentata var. wyomingensis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along east side of U.S. Hwy Alt. 14, just S of Shoshone River, NE of Cody.
Sagebrush-grassland with Artemisia tridentata, Artemisia cana, Arenaria hookeri, and Agropyron spicatum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/4-1/8 mi S of Sand Coulee Road; ca 4 mi E of Wyo Hwy 120; ca 25 mi N of Cody.
Sagebrush-saltbrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along west side of Oregon Basin Road, ca 1.5 mi S of U.S. Hwy 14, 16, & 20.
Sagebrush-grassland with Artemisia tridentata var. wyomingensis, Artemisia pedatifida, Delphinium geyeri, Bouteloua gracilis, Carex filifolia, and Stipa comata. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along west side of YU Bench Road, ca 8 mi S of U.S. Hwy 14, 16, & 20, SE of Cody.
Sagebrush-grassland with Bouteloua gracilis, Opuntia polyacantha, Lappula redowski, Poa secunda, and Astragalus grayi. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along east side of YU Bench Road, ca 1.5 mi N of the Greybull River.
Sagebrush-grassland on sandy substrates with Bouteloua gracilis, Stipa comata, Poa secunda, Carex filifolia, Opuntia polyacantha, Delphinium geyeri and Haplopappus armerioides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: south side of YU Bench Road, ca 1/2 mi N of County Road 3LE and the Greybull River, ca 5 mi NE of Wyo Hwy 120.
Sagebrush grassland on rocky alluvial soil with Arenaria hookeri, Bouteloua gracilis, Sedum lanceolatum, Stipa comata and Oryzopis hymenoides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: ridge N & W of the Newton Lakes, ca 4 mi NW of Cody.
Sagebrush-grassland with some scattered Pinus flexilis in places on rocky substrates with Artemisia nova, Penstemon laricifolius, Eriogonum pauciflorum, Bouteloua gracilis and Carex filifolia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge along north side of Grass Creek Road, ca 6 mi W of Wyo Hwy 120.
Sagebrush-grassland with Stipa comata, Stanleya tomentosa, Astragalus spatulatus, and Haplopappus armerioides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: ridge 1/4-1/2 mi N and W of Little Grass Creek, in foothills ca 20 mi S of Meeteetse.
Rocky sagebrush-grassland and limber pine woodland with Ipomopsis spicata ssp. spicata, Hymenoxys acaulis, Penstemon laricifolius, and Festuca idahoensis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: on hill just S of Wapiti.
In sagebrush-grassland with Erigeron pumilus, Lappula redowskii, and Orobanche fasciculata. Phenology: fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridgetop between Grace Creek and North Fork Shoshone River, ca 25 mi W of Cody.
Open, rocky habitats with scattered Douglas fir and limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Northwest exposure of Elk Mountain: 1/4 mi S of Rattlesnake Pass.
Clay soil; understory species in Artemisia tridentata-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: High Plains Grassland Research Station: 5 air mi NW of Cheyenne.
41.197° N, 104.9147° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Shortgrass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: High Plains Grassland Research Station, 5 air mi NW Cheyenne.
41.197° N, 104.9147° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Shortgrass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Casper Mountain area: just behind Casper College on "C" Hill.
Rolling, rocky grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Green Mountains: Stratton Rim; ca 16 air mi SE of Jeffrey City; ca 63 air mi SE of Riverton.
Windswept ridge with Agropyron spicatum, Poa, and Artemisia frigida. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Buffalo.

U.S.A., Wyoming, Fremont County: 5 mi SE of Dubois.
On dry gravelly hillside. Phenology: flowering & fruiting.
George F. Freytag, 56. 6/6/1948.

U.S.A., Wyoming, Natrona County: 40 mi W of Casper.
On dry gravelly ridge. Phenology: flowering.
George F. Freytag, 6. 5/2/1948.

U.S.A., Wyoming, Albany County: Near Tie Siding.
George E. Osterhout, 1129. 7/1/1896.

U.S.A., Wyoming, Albany County: Laramie Plains W of Tie Siding.
Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Atlantic City.
In sagebrush hills. Phenology: flowering.
Annotated by Robert T. Clausen.
with Maude C. Wiegand

U.S.A., Wyoming, Carbon County: Red Wash Exclosure #3.
Sagebrush-grass. Phenology: buds.

U.S.A., Wyoming, Sweetwater County: Farson Exclosure.
Sagebrush. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Cumberland Exclosure #2.
Sagebrush. Phenology: buds.

U.S.A., Wyoming, Washakie County: Buffalo Creek Exclosure.
Big sagebrush-grass. Phenology: flowering.

U.S.A., Wyoming, Washakie County: 10 mi SW of Ten Sleep in North Butte area.
Annotated by C. L. Porter.

U.S.A., Wyoming, Fremont County: North flank of the Owl Creek Range: summit of Birdseye Mountain, SE of Thermopolis and E of the Wind River Canyon.

U.S.A., Wyoming, Natrona County: Owl Draw Exclosure.
Sagebrush-juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: McGraw Flat Exclosure.
Sagebrush. Phenology: buds.

U.S.A., Wyoming, Fremont County: Lysite Badlands: Pony Creek #1 gas line site just W of Moneta-Lysite Road, 3.3 road mi N of Moneta.
Artemisia tridentata-Stipa comata grassland. Phenology: buds.

U.S.A., Wyoming, Fremont County: Lysite Badlands: badlands draining north into Alkali Creek, ca 2.5 air mi W of Lysite.
Near brown sandstone outcrops and relatively gentle slopes above and below. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Lysite Badlands: E of Moneta-Lysite Road, ca 5 air mi ENE of Moneta; badlands and ridge to the S.
With Artemisia tridentata and Carex filifolia. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie.
Open slopes on the plains. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman in 1978.
J. Francis Macbride, 2433. 7/4/1913.

U.S.A., Wyoming, Washakie County: W of Worland, on the lower part of the Fifteenmile drainage area. Willwood formation.
T47N R93W S3
Hillside, shallow soil over bedrock on Willwood Formation in 5-9 inch precipitation zone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Between Fish Creek Road and Cottonwood Creek, 28 road mi NW of Wheatland.
Elev. 1616 m.
Grassland and disturbed roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Between Fish Creek and Cottonwood Creek, 28 road mi NW of Wheatland.
Elev. 1616 m.
Dry sand draw. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman in 1997.

U.S.A., Wyoming, Platte County: Between Fish Creek and Cottonwood Creek, 28 road mi NW of Wheatland.
Elev. 1616 m.
Grassland and disturbed roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: 10 mi W of Laramie; 0.5 mi N of Wyo Hwy 130.
Mixed grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: SE of Rock Springs.
On sandstone outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: SE of rest area on top of bluffs; ca 0.8 air mi SW of Pine Bluffs.
Ponderosa pine/grassland ecotone. Phenology: flowering.
Karin M. Guernsey, 7. 6/1/1987.

U.S.A., Wyoming, Uintah County: East side of Hickey Mountain, ca 0.5 mi on Radio Tower Road, ca 3 mi N of Lonetree.
Juniper, sage, Astragalus community on white clay. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Red Wash Exclosure #3, 16 mi S of Creston Junction.

U.S.A., Wyoming, Natrona County: Seventeen Mile Well on Salt Creek Road.
43.4175° N, 106.2892° W; NAD 83, uncertainty 0.5 mi., Digital Map
Dry, stony hilltops. Phenology: flowering & fruiting.
Leslie N. Goodding, 223. 7/8/1901.

U.S.A., Wyoming, Uinta County: Carter.
41.4375° N, 110.4294° W; NAD 83, uncertainty 0.5 mi., Digital Map
Dry hillsides. Phenology: flowering & fruiting.
Leslie N. Goodding, s.n.. 6/24/1902.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain and vicinity: hills below Red Mountain cliffs, ca 5.9 air mi SE of Jelm Mountain.
Ridge with rocks and red sandy-clay. Phenology: flowering.
Linda Shoemaker, 4. 6/2/1992.
with Mari Combs

U.S.A., Wyoming, Sweetwater County: Near Rock Springs.
Phenology: buds.
Annotated by C. L. Porter.

U.S.A., Wyoming, Uinta County: 7 mi SE of Mountain View, NE of [Wyo Hwy] State Route 414.
Gray mud buttes; common on mounds of clay and gravel. Phenology: flowering.
Annotated by Ronald L. Hartman in 1977.

U.S.A., Wyoming, Sweetwater County: Green River.

U.S.A., Wyoming, Converse County: Powder River Basin: near Bozeman Trail Marker (1914).
Sandy plains. Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 50. 7/5/1978.
with Keith H. Dueholm

U.S.A., Wyoming, Campbell County:
Grassy hills. Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 94. 7/6/1978.
with Keith H. Dueholm

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: Willow Creek Upland.
Sagebrush rangeland. Phenology: flowering.
Max H. Schroeder, s.n.. 6/19/1973.
with Gary L. Ranck

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: dugaway near study area.
Sagebrush rangeland. Phenology: fruiting.
Max H. Schroeder, s.n.. 6/27/1973.
with Gary L. Ranck

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: Sane Creek.
Sagebrush rangeland; ridge top. Phenology: fruiting.
Max H. Schroeder, s.n.. 6/20/1972.
with Gary L. Ranck

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: Sane Creek.
Sagebrush rangeland; ridge top. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: dugaway near study area.
Sagebrush rangeland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Along U.S. Hwy 26, 5 mi W of Guernsey.
Roadside; among siltstone outcrops in prairie; with Agropyron, Bromus, and Rhus trilobata. Phenology: flowering & fruiting.
with Gregory K. Brown and T. M. Evans

U.S.A., Wyoming, Carbon County: Hanna.
Neva Jean Nelson, s.n.. 6//1903.

U.S.A., Wyoming, Carbon County: Rawlins.
Rocky, prairie hillside. Phenology: flowering & fruiting.
with Leroy Peiler

U.S.A., Wyoming, Carbon County: Johnson Mine 10 mi S of Hanna.
West 60% slope; loam; plains, with sage and Atriplex. Very abundant. Phenology: buds.
Accession: USFS 403877

U.S.A., Wyoming, Platte County: Near Medicine Bow National Forest, 5 mi W of Glendo.
Flat slope; dry clay; dry plains; weed. Common. Phenology: buds.
Accession: USFS 403881

U.S.A., Wyoming, Campbell County: Black Thunder Strip Mining Area: North Prong of Thunder and Little Thunder creeks.
Upland sagebrush grass; with big sagebrush, blue grama on clayey loam. Phenology: flowering & fruiting.
with D. W. Sabinske

U.S.A., Wyoming, Campbell County: Gillette.

U.S.A., Wyoming, Natrona County: Great Divide Basin and Adjacent Regions: Split Rock, near the Split Rock Ranch.
Growing on and around the dry rocky soil and boulders. Phenology: buds.

U.S.A., Wyoming, Converse County: Great Divide Basin and Adjacent Regions: Little Box Elder Cave.
Growing in the draws, slopes, and meadow areas near the cave; common; dry soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Great Divide Basin and adjacent regions: Grizzly Buttes, Leavitt Creek near Mountain View.
Collected in the canyonlands and erosional badlands; common in dry washes and sandy areas. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Haystack Buttes, ca 1.2 mi NNE of Wyo Hwy 530.
Cretaceous shales, shadscale-big sage community. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Hwy 189, ca 2 mi SW of Hwy 240.
T22NR114WS1NW
Roadside Wyoming Sagebrush community. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Wyo Hwy 71.
Hills/slopes with Artiplex nuttallii and Artemisia pedatifida. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Game and Fish East Fork Winter Range: East Fork Unit: 1/4 mi above Goose Lake, ca 11.5 air mi NE of Dubois.
Growing in loam to clay in spring bottom to above spring on dry hill (southwest facing, 5-15% slope); dominants include willow, sedge, and grass in riparian area and big sagebrush, Poa and, Agropyron on dry hill. Phenology: buds.
with W. Gerhart, D. Rizor, and D. Jones

U.S.A., Wyoming, Johnson County: Big Horn National Forest: ca 20 mi S of Buffalo on Wyo Hwy 87.
Southeast 30% slope; rocky, sandy loam; grass, weed; common. Phenology: flowering & fruiting.
Annotated by Jane W. Roller.

U.S.A., Wyoming, Fremont County: Shoshone National Forest: Dennison Mountain game exclosure.
Southwest 15% slope; gravelly shallow soil; grassland with Agsp, Poa, and Carex; sparse. Phenology: buds.

U.S.A., Wyoming, Uinta County: Lyman.
Gravelly knolls. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: 6 mi NNE of Gillette.
T51N R71; also R72W
Rocky outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Ledges along the Oil Springs Road, ca 7 mi N of Wyo Hwy 130.
Steep slopes below sandstone ledges along road. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Grey Reef Reservoir access road off of Wyo Hwy 220 along North Platte River, ca 26 air mi SW of Casper.
Sandy slope arising out of greasewood flats adjacent to river; disturbed. Phenology: flowering.

U.S.A., Wyoming, Fremont County: W of Rogers Mountain.
Open ridge tops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County:
Crevices of red sandstone with Phlox. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: 2.5 mi S of Torrington.
Rocky, chalky bank; with Penstemon eriantherus and Paronychia. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Fort Laramie National Historic Site.
Rocky slope with Erigeron and Paronychia. Rare. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Mountains.
Grassland; rocky ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: 10 mi E of Flaming Gorge.
Growing on a sandstone ridge outcropping on the south facing slope with shallow soil; found with Ephedra viridis and Juniperus osteosperma. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: 2.5 mi S of Kane.
Rocky slope in Artemisia/Agropyron habitat. Phenology: buds.
Annotated by B. E. Nelson in 1987.

U.S.A., Wyoming, Lincoln County: Ca 2 mi S of Diamondville:
Sagebrush - steppe community, Wasatch formation.
with J. Kass

U.S.A., Wyoming, Sublette County: S of Figure Four Canyon Rd.
Black sage community. Slopes of white/brown shale barrens. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: La Barge Creek, just E of U.S. Hwy 189.
On limestone bluffs, gravelly soil, sagebrush-cushion forb community. Phenology: flowering.
with A. Hreha

U.S.A., Wyoming, Sublette County: Ca 24 mi SE of Pinedale.
Black sagebrush on gravelly semi-barren hillsides. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Mountains: ca 25 mi SW of Wheatland on Neuces Ranch (old Adam Boyd Ranch) along road to old William Boyd Ranch.
On open rocky hilltop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Little Wind River, 15 mi 53 deg from Lander.
Dry hill above the river. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Along Beaver Rim 1.5 mi NW of Dishpan Butte.
Sandstone/mudstone cliffs along the rim. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Above Beaver Rim 1.4 mi NW of Dishpan Butte.
Small knoll. Phenology: flowering.

U.S.A., Wyoming, Fremont County: On Beaver Rim near Devils Gap.
Rocky, west-facing slopes on rim. Phenology: fruiting.
Shawn Langston, 23. 6/3/1997.

U.S.A., Wyoming, Fremont County: Head of South Fork Hall Creek.
42° 36' 34" N, 108° 25' 9" W; unknown, , Specimen Label
Ridge at the head of creek. Phenology: flowering.
Shawn Langston, 72. 6/5/1997.

U.S.A., Wyoming, Converse County: Hardy Project Uranium Mine; ca 40 air mi NW of Douglas.
Growing in sandy soil in sagebrush-grassland. Phenology: flowering & fruiting.
Steve Skelton, s.n.. 6/14/1978.

U.S.A., Wyoming, Carbon County: Along [Wyo Hwy] State Route 487 at junction with Little Medicine Road 16 mi N of Medicine Bow.
Alkali scald. Phenology: fruiting.
with Jane P. Nelson

U.S.A., Wyoming, Carbon County: Shirley Basin: at junction of [Wyo Hwys] State Routes 487 and 77, Shirley Basin junction, 24 mi S of Natrona County.
Phenology: fruiting.
with Jane P. Nelson

Eremogone hookeri var. hookeri ()
U.S.A., Wyoming, Carbon County: Along [Wyo Hwy] State Route 487, 5 mi N of Medicine Bow.
Short grassland. Phenology: fruiting.
Thomas W. Nelson, 6695. //.
with Jane P. Nelson

U.S.A., Wyoming, Carbon County: Shirley Basin: along west side of Wyo Hwy 487, 7.8 mi S of Natrona County.
Grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Rock Springs Uplift: Red Creek Basin: adjacent to Richards Gap Road at junction with pipeline road, ca 1/4 mi N of Daniels Creek; ca 2.5 mi N of Utah.
Open Utah juniper woodland on sandy redbeds on slopes and eroded gullies. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: North Platte River Basin: slopes on north side of [North] Platte River, 0.5 mi S of Wyo Hwy 220, ca 1 1/4 air mi NE of Gray Reef Dam.
Gravelly, windswept flat ridge top with cushion plant community of Oxytropis nana, Astragalus spatulatus, Arenaria hookeri, and Artemisia tridentata. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southeast Plains: banks of Spring Creek, 2 mi S of Federal and 3 mi E of Mesa Mountain; ca 5 air mi N of Wyo Hwy 201 (Happy Jack Road).
Gravelly white-ashy barrens on crest of small hill on banks of creek; cushion plant community with scattered Artemisia frigida, Elymus smithii; vegetative cover ca 60%. Phenology: fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: north-south trending ridge system on east side of U.S. Hwy 310/Wyo Hwy 789, ca 9.5 air mi SSE of Lovell and 4.5 mi NW of Sheep Mountain.
Gray clay shale slopes amid steeply angled hogsback ridges of shale-sandstone in community of Artemisia tridentata var. wyomingensis, Atriplex gardneri, and Poa secunda. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Sheep Mountain: Johns Creek.
Alluvial fan. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Campus of Laramie County Community College, SE of Cheyenne.
Shortgrass prairie. Phenology: flowering & fruiting.
William C. Edwards, 86. 6/24/1983.

U.S.A., Wyoming, Niobrara County: Western part of the Great Plains Prairie at Jireh.
In sandstone blow out. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County:
Crevices of red sandstone with Phlox. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman & Richard Rabeler in 2004. Rocky Mountain Herbarium. Univeristy of Wyoming, Laramie

U.S.A., Wyoming, Albany County: 9 mi S of Laramie on U.S. Hwy 287, near Red Buttes.
Common in very sandy soil with Erigeron sp., Townsendia sp., and various grasses. Phenology: buds.

U.S.A., Wyoming, Carbon County: 3 mi NW of Muddy Gap Junction on Wyo Hwy 287.
Common on sandy road-cut with Artemisia, Phlox, and Chrysothamnus. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Green Mountains: near Jeffrey City, 7 mi S of Wyo Hwy 287.
Common in rocky soil on south exposure with Phlox and Artemisia. Phenology: buds.

U.S.A., Wyoming, Fremont County: South Pass City.
Common in loose shale with Phlox, Chrysothamnus, and Artemisia. Phenology: buds.

U.S.A., Wyoming, Albany County: Laramie Hills: 5 mi SE of Laramie on I-80.
Common on rocky slope with Cercocarpus, Artemisia, Phlox, and Penstemon. Phenology: flowering.

U.S.A., Wyoming, Albany County: Sodergreen Lake, Wyo Hwy 230, 6 mi NE of Woods Landing.
Common on plains with Paronychia sessiliflora. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Morton Pass on Wyo Hwy 34, 12 mi NE of Bosler.
Common with Phlox, Paronychia, Penstemon, and Chrysothamnus on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Peak Area, 4 mi N of Fletchers Park.
Common on dry, sandy soil on ridge partly covered with Pinus ponderosa; associated with Artemisia tridentata, Purshia tridentata, Erigeron, Potentilla, Opuntia polyacantha, and Sedum lanceolatum. Phenology: flowering.

U.S.A., Wyoming, Albany County: Ca 40 mi NE of Rock River.
Common on rocky hill. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Hwy 59, ca 2 mi S of Reno Junction (jucntion with Hwy 387).
Common on sandy roadside with Musineon divaricatum and Artemisia pedatifida. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Saint Marys Ridge, 3.2 air mi W of U.S. Hwy 287 on dirt road, ca 5 road mi from Walcott Junction.
Cushion community on calcareous benches with scattered shrubs and a greasewood/sagebrush bottom. Phenology: flowering.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: ca 9.5 air mi E of Moran Junction along "Rosies Ridge" (Forest Road 30060), ca 1/4 mi N of U.S. Hwy 26-287.
Dry meadow.

U.S.A., Wyoming, Park County: Southwestern Absarokas: vicinity of Deer Creek Trailhead, ca 39 air mi SW of Cody.
Sagebrush foothills.

U.S.A., South Dakota, Fall River County: Black Hills National Forest: Robinson Flats.
No slope in clay soils of mixed prairie with Bouteloua gracilis, Agropyron smithii, and Buchloe dactyloides in dry rocky plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: south end of George Creek and vicinity, ca 4 air mi SE of Garrett.
Sandy and gravelly areas in sagebrush grasslands with granite outcrops. Phenology: flowering.
Annotated by B. A. Packer.

U.S.A., Wyoming, Albany County: Laramie Range: along Palmer Canyon or County Road 721, ca 10.7 air mi S of Garrett; ca 24.6 air mi NE of Rock River.
Cushion community on flat top of limestone ridge. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Wyoming, Platte County: Laramie Range: ca 42 road mi NE of Laramie; ca 1.5 mi NNW of Wyo Hwy 34.
Creekside with granite outcrops. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., South Dakota, Shannon County: Wounded Knee Creek.
Clay hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Laramie Range: South Cooney Hills, ca 12 air mi SW of Wheatland.
Granite outcrops. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: ca 33 air mi NE of Rock River.
Granite outcropping. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: ca 31 air mi NE of Rock River.
Granite outcrops. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: ca 30 air mi NE of Rock River.
Granite outcrop. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: ca 32 air mi NE of Rock River.
Granite outcrops. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Brandel Mountain, ca 30 air mi NE of Rock River.
Granite outcrop. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: along Ashley Creek, ca 32 air mi NE of Rock River.

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: Pine Mountain, ca 32 air mi NE of Rock River.
Southern slope granite outcrop. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: ca 25 air mi NE of Laramie.
Sagebrush grassland, granite outcrop. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Plumbago Canyon, ca 10.2 road mi NE of U.S. Hwys 30/287 on Wyo Hwy 34; ca 22.4 road mi NE of Laramie.
Creekside. Phenology: flowering.

U.S.A., Wyoming, Platte County: Laramie Range: ca 1.8 air mi N from Wyo Hwy 34; ca 39.9 air mi NE of Laramie.
Grassland, dry creek beds. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Emigrant Gap Ridge E of County Road 202, ca 1 air mi N of Poison Spider bentonite pit; ca 12 air mi W of Casper.
Sagebrush-grassland with sandstone outcrops; Artemisia tridentata and Artemisia pedatifida common. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Emigrant Gap Ridge, ca 3.5 air mi S of U.S. Hwy 20/26; ca 14.8 mi WNW of Casper.
Rocky hills of sagebrush-grassland and grassy draws. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Laramie Range: ca 1.5 road mi S of Federal; ca 25 air mi NE of Laramie.
Sandstone cliffs. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Poison Spider bentonite pit W of County Road 202, ca 12 air mi W of Casper.
Ponderosa pine on shale, bentonite hills. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: along County Road 210, ca 1 air mi W of Poison Spider Oil Field; ca 24 air mi W of Casper.
Rocky ridges of sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: North Laramie River, ca 17.5 road mi N on Fetterman Road (County Road 161); ca 60 mi N of Laramie.
Cow pasture along river. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: ca 11 road mi N on Fetterman Road (County Road 161); ca 51.5 air mi NNW of Laramie.
Shale outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Boulder Ridge, ca 14 air mi S of Laramie.
Red beds with Cercocarpus grassland. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Laramie Range: W of Little Red Creek on the southwest side of Casper Mountain, ca 10.5 air mi SW of Casper.
Nearly flat sagebrush areas between the creek and steep slopes. Phenology: flowering.
Annotated by B. A. Packer.

U.S.A., Wyoming, Natrona County: Laramie Range: E of Corral Creek and Old Casper/Medicine Bow Hwy or County Road 402, ca 15 air mi S of Casper.
Rocky top of ridge and nearly level areas near the top. Phenology: flowering.

Shaly benches and sandy hills with sparsely scattered ponderosa pine and greasewood bottom. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: north side of Bessemer Mountain, ca 13.7 air mi SW of Casper.
Calcareous hills of Juniperus osteosperma and Artemisia tridentata. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Laramie Range: County Road 403, ca 0.2 to 1.2 air mi W of Twin Buttes.
Mudstone ridge towards buttes. Phenology: flowering.
with Amy J. Roderick and Cherie Winner

U.S.A., Wyoming, Natrona County: Laramie Range: ca 0.2 air mi W to Twin Buttes and adjacent area.
Chalk or limestone substrate. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Wyo Hwy 34, ca 0.5-1.5 air mi NW of Plumbago Canyon turnoff.
Sandy areas and sandstone with limestone at higher elevation. Phenology: flowering.
with Timothy W. Chumley

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Calcareous area. Phenology: flowering.
with Timothy W. Chumley

U.S.A., Wyoming, Albany County: Laramie Range: ca 4.5 air mi N of north end of Wheatland Reservoir No. 2.
Granitic outcrops and derivative soil. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: headwaters of Pinto Creek, ca 9 air mi SW of Garrett.
Sagebrush-grassland with granite outcrop and limestone leaching (?) from above. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: SW of Mule Creek crossing and along Mule Creek, ca 6 air mi SSE of Marshall.
Sandstone and limestone caprock and adjacent flats, also along the creek. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Red Hill, ca 4 air mi N of Wheatland Reservoir No. 3.
Sagebrush-grassland and calcareous rocky bench with juniper and limber pine. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Flat Top, ca 4 air mi WNW of Morton Pass.
Sandstone and shale on flank but mostly granitic boulder alluvial deposits. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: ridge E of south end of Wheatland Reservoir No. 2, ca 7.5 air mi NW of Morton Pass.
Badlands on east side, sagebrush-grassland above. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: S of Dry Creek or County Road 321, ca 7.4 air mi NW of junction with Wyo Hwy 220.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Oyster Ridge, ca 9 air mi N of Kemmerer.
Streamside and sandy slopes below, sandstone outcrops and sandy ridge above. Phenology: flowering & fruiting.
Accession: 1016403, Barcode: RM0299177

U.S.A., Wyoming, Albany County: Laramie Range: extreme west end of Bluegrass Ridge, ca 11 air mi N of Morton Pass.
Granite interfacing with limestone; limestone. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Wheat Creek to Windy Gap and Oyster Ridge, ca 14 air mi N of Kemmerer.
Sagebrush slopes, sandstone and limestone outcrops, cushion plant communities on ridge, wet draws and stream margins. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Calcareous substrate. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: ca 5.5 air mi NW of Wheatland Reservoir No. 3.
Calcareous substrate. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: ca 8 air mi NW of Wheatland Reservoir No. 3.
Calcareous slope with limber pine. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Wallace Draw area, ca 7.5 air mi SE of Garrett.
Grassland. Phenology: flowering.

U.S.A., Wyoming, Converse County: Laramie Range: along Ghost Creek, ca 5 mi NW of Esterbrook; ca 28 road mi from Douglas.
Northwest facing slope. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: along unnamed branch of Horseshoe Creek, ca 2 air mi NE of Esterbrook; ca 32 air mi SE of Douglas.
North facing slope with sagebrush and grasses. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., Wyoming, Converse County: Laramie Range: Freds Draw, ca 4.5 air mi NW of Esterbrook.
Top of ridge. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: Dry Creek N of Dry Creek or County Road 321, ca 14.5 air mi NW of junction with Wyo Hwy 220.
Sagebrush-grassland on chalky substrate; Artemisia nova common. Phenology: flowering.

U.S.A., Wyoming, Converse County: Laramie Range: along Indian Creek, ca 7 air mi NW of Esterbrook; ca 17 air mi SW of Douglas.
Southeast facing slope of heavily grazed cow pasture. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Laramie Range: ca 6 road mi from Glendo on County Road 614.
Along roadside and in canyons. Phenology: flowering & fruiting.
with T. McGowan & T. Freeman

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: The Limestones, along Soldier Creek, ca 3 air mi SE of Esterbrook; ca 35 air mi SE of Douglas.
Limestone outcroppings. Phenology: flowering & fruiting.
with T. McGowan & T. Freeman

U.S.A., Wyoming, Albany County: Laramie Range: along Laramie River and adjacent hills, ca 35 air mi NE of Rock River; ca 54 air mi NE of Laramie.
South facing cow pasture. Phenology: flowering.
with T. McGowan & T. Freeman

U.S.A., Wyoming, Albany County: Laramie Range: along unnamed spur of the Laramie River, ca 15 air mi SW of Esterbrook.
In sagebrush/grassland among boulders. Phenology: flowering.

U.S.A., Wyoming, Converse County: Laramie Range: along Monday Creek, ca 10 air mi SW of Esterbrook.
Along dry creek beds, rangeland, and boulder outcroppings. Phenology: flowering.

U.S.A., Wyoming, Converse County: Laramie Range: along Blue Nose Creek, ca 18 air mi SW of Douglas.
Along granite outcroppings. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Laramie Range: along Rabbit Creek, ca 20 air mi SW of Douglas.
Along creek and adjacent granite outcroppings. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Granite Mountains: ca 1.5 air mi SE from Lone Mountain; ca 19.2 air mi W of junction with Wyo Hwy 220.
Sagebrush with granitic outcrops; Selaginella densa common. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: E of County Road 407, ca 3 air mi SE of Alcova.
Shale slopes with scattered Juniperus osteosperma and red sandy areas. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: on ridge between Muddy, Cow, and Wild Cow creeks and Wild Cow or County Road 608, ca 40 air mi SW of Rawlins; ca 19.5 air mi N of Baggs.
T15N R91W S8; also S17 and S18
Slopes with areas of sagebrush, saltbush, or open clay. Phenology: flowering.
Annotated by Beth Ward.
with Beth Ward

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: south end of Delaney Rim just N of North Barrel Springs Draw, ca 6 air mi E of Man and Boy Buttes; ca 13 air mi SSW of Wamsutter.
Light-colored soft soil partially covered with hard rock nodules (chert?) above badlands. Phenology: flowering.
Annotated by Beth Ward.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Wamsutter Arch: Continental Divide and S including draws to Deadman Wash, ca 2.5 air mi SE of Spring Hill and ca 3 air mi SW of Black Rock; ca 10 air mi NNW of Point of Rocks.
Rocky flat. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: northeast slope of North Table Mountain, ca 24.5 air mi NNE of Rock Springs.
Rocky slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: drainages from White Mountain to Killpecker Creek, ca 4 air mi E of The Wells; ca 20.5 air mi NNW of Rock Springs.
T22N R105W S11 South1/2; also S14
Badlands slopes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: southerly drainages on highlands between Crooked Canyon and North Baxter Basin, ca 2 air mi ESE from Twin Rocks; ca 15.5 air mi NNE of Rock Springs.
Rocky slope. Phenology: flowering.

U.S.A., Wyoming, Fremont County: South-central Wyoming: southeastern end of Pacific Butte, ca 31.5 air mi NE of Farson.
Rocky soil, sagebrush cover. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: Skull Creek Rim along the north-south oriented section, ca 1.5 air mi E of Shell Creek; ca 35 air mi WNW of Baggs.
Badlands draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and north slopes of Powder Mountain, ca 29 air mi W of Baggs.
Rocky top of the mountain. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: between Cherokee Basin and Cherokee Rim, ca 14.5 air mi W of Baggs.
Rocky areas. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: north end of butte, ca 2 air mi W of North Fork Powder Wash and adjacent flat to the E of the butte, ca 33 air mi W of Baggs.
T12N R97W S10 South1/2; also NW1/4 S15 and SW1/4 S11
Rocky. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: southeast side of butte overlooking Sand Creek, ca 2 air mi W of McPherson Springs; ca 17.5 air mi WNW of Baggs.
Rocky. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Green River Basin: northeastern slope of Flattop Mountain, ca 2.5 air mi W of Wyo Hwy 191; ca 15 air mi SSW of Rock Springs.
Sandy draws. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Green River Basin: Slippery Jim Bottom on Flaming Gorge Reservoir, ca 1 air mi N of Little Firehole Canyon; ca 14 air mi SSW of Rock Springs.
T17N R106W S30 N1/2; also South1/2 S19
Hillside above bottom. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: rim edge on south edge of Mexican Flats, ca 1-1.5 air mi W of Wyo Hwy 789, ca 42 air mi SSE of Rawlins.
T15N R92W S9 N1/2; also South1/4 S4
Top of rim, scattered bare ground. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Green River Basin: slope from Currant Creek Ridge draining northward to Currant Creek, ca 5 air mi E of Flaming Gorge Reservoir, ca 26.5 air mi SSW of Rock Springs.
Draw, sandy soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: northeastern slopes and draws of Richards Mountain, ca 2 air mi NW of Richards Gap; ca 37 air mi SSW of Rock Springs.
T12N R105W S8 South1/2; also SW1/4 S9 and NE1/4 S17
Rocky, sandy slopes. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: buttes bordering north edge of the town of Rawlins, ca 1 air mi E of Rawlins Peak.
Barren north facing sandstone slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: slope off southern end of Little Mountain, drainage to Red Creek, ca 4 air mi NW of Richards Gap; ca 34 air mi SSW of Rock Springs.
Drier slope, rocky areas. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: lower slope of Laney Rim adjacent to Gap Creek, ca 0.5 mi N of Titsworth Gap, the confluence of Gap and Beans Spring creeks; ca 26 air mi SSE of Rock Springs.
Rim draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Green River Basin: north and south slopes and top of Pilot Butte, ca 3 air mi W of White Mountain; ca 6.5 air mi NW of Rock Springs.
Rocky top. Phenology: flowering.

Hillsides adjacent to creek. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Green River Basin: sand knolls ca 1.5 air mi N of The Wells; ca 5 air mi W of White Mountain; ca 23.5 air mi NNW of Rock Springs.
Rocky soil on top. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: northern slopes and top at north end of Essex Mountain, ca 32 air mi NNE of Rock Springs.
T24N R103W S8 SW1/4; also SE1/4 S7 and NE1/4 S18
Rocky slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: top of Steamboat Rim and west towards Essex Mountain, ca 2.5 air mi E of Essex Mountain; ca 31.5 air mi NNE of Rock Springs.
T24N R103W S15 South1/2; also NE1/4 S22

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: southwestern extent of Joe Hay Rim, ca 6.5 air mi S of Oregon Buttes; ca 40 air mi NNE of Rock Springs.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: butte N of Red Wash, ca 1 mi N of confluence with Bitter Creek, ca 1.5 mi E of County Road 19; ca 37 air mi ESE of Rock Springs; ca 28.5 air mi WSW of Wamsutter.
Draw, rocky/sandy soil. Phenology: flowering.

On flat above first badland slopes of rim. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: draw ca 2 air mi S of Man and Boy Buttes; ca 17 air mi SSW of Wamsutter.
Rocky slopes adjacent to draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: mesa W of north end of Cooper Ridge, S of Cutthroat Draw, ca 1-2 air mi E of Wyo Hwy 430; ca 18 air mi SE of Rock Springs.
T17N R102W S16 N1/4; also South1/4 S9
Exposed rocky area. Phenology: flowering.

Badlands draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: Adobe Town Rim, ca 2-3 air mi E of Shell Creek, ca 35.5 air mi SSW of Wamsutter; ca 47.5 air mi ESE of Rock Springs.
T15N R98W S24 SE1/4; also NE1/4 S25 and T15N R97W SW1/4 S19 and NW1/4 S30
Rocky shelf. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: east side of Kinney Rim, ca 1 air mi NW of County Road 19; ca 43.5 air mi SW of Wamsutter.
T14N R99W S8; also NE1/4 S7 and SW1/4 S9
Rocky, north-facing slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: ca 6.5 air mi E of Sand Butte, ca 2 air mi SW of the confluence of Pine Creek Wash and Antelope Creek; ca 36 air mi SW of Wamsutter.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: southwest flank of Flat Top Mountain, ca 32.5 air mi SSE of Wamsutter; ca 49.5 air mi SSW of Rawlins.
Rocky, sandy soil; flat. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: NW of Robbers Gulch Reservoir, ca 4 mi E of North Flat Top; ca 31 air mi SSE of Wamsutter.
Rocky, sandy soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: Tree Draw leading from Hangout Ridge W to Hangout Wash, ca 2-2.5 air mi from the confluence of Hangout Wash and Sand Creek; ca 12 air mi WNW of Baggs.
Rocky outcrop. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: hills and draws sloping down to the W toward Killpecker Creek, ca 1 air mi E of Killpecker Creek; ca 3 air mi N of Rock Springs.
Rocky outcrop. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and flats ca 2 air mi E of White Mountain; ca 2.6 air mi W of Rock Springs.
Rocky area. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: badlands and draws ca 2 air mi E of Flaming Gorge Reservoir; ca 3.5 air mi W of Minnies Gap; ca 40 air mi SSW of Rock Springs.
Rocky outcrop. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: low ridges on drainage from Richards Mountain, ca 3 air mi E of Minnies Gap; ca 39 air mi SSW of Rock Springs.
Rock outcrop. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: Little Colorado Desert area W of Big Sandy River, ca 2 air mi NE of the Green River; ca 21.5 air mi SW of Farson.
Sandy, rocky area. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: badlands draws and hills, ca 2 air mi S of Big Bend of the Big Sandy River; ca 16 mi SSW of Farson.
Rocky outcrop and draws. Phenology: flowering.

Rocky, badlands draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: west-facing slopes and draws of Earnest Butte, ca 5 air mi SW of Quaking Asp Mountain; ca 14.5 air mi S of Rock Springs.
Sandstone outcrops. Phenology: flowering.

Juniper, clay slopes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: west-facing draws and slopes to a tributary of Bitter Creek, ca 8.5 air mi NW of Table Rock; ca 10.5 air mi ESE of Point of Rocks.
Rocky, sandy outcrops with sagebrush or open. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: rocky outcrops and draws draining to Black Butte Creek, ca 6 air mi E of Cooper Ridge; ca 18 air mi S of Point of Rocks.

Rocky, sandy areas. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: sandy draws and badlands slopes on hills, ca 5 air mi W of north-south trending Rifes Rim; ca 32 air mi SSE of Rock Springs.
Rocky, exposed slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: north-facing slope of Rifes Rim, ca 1 air mi W of Wyo Hwy 430; ca 35.5 air mi SSE of Rock Springs.
Rocky, exposed flat top of rim. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: buttes and draws N of Coyote Creek, ca 2.5 air mi W of Wyo Hwy 430; ca 1.5 air mi NE of Scrivner Butte; ca 38 air mi SSE of Rock Springs.
South-facing white clay (?) slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: low buttes and flats, ca 1 air mi N of Canyon Creek; ca 0.5 air mi W of Wyo Hwy 430; ca 42 air mi SSE of Rock Springs.
Rocky clay area. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: south-facing draws and badlands slope draining to Jack Morrow Creek, ca 4 air mi SE of Wyo Hwy 28; ca 16.5 air mi ENE of Farson.
Rocky, sandy clay slope. Phenology: flowering.

South-facing clay, sand slope. Phenology: flowering.

Top of butte; rocky and exposed. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: sand hills and clay draws to Cedar Canyon, ca 3 air mi E of Killpecker Creek; ca 5 air mi SW of South Table Mountain; ca 20 air mi NNE of Rock Springs.
Rocky top of butte. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: draws and slopes from White Mountain draining to Killpecker Creek, ca 1 air mi S of Chicken Springs; ca 3 air mi W of the Boars Tusk; ca 25 air mi NNW of Rock Springs.
Rocky, exposed upper slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: draws and buttes draining to Middle Firehole Canyon, ca 1 air mi W of U.S Hwy 191; ca 7 air mi E of Flaming Gorge Reservoir; ca 14.5 air mi SSW of Rock Springs.
Rocky outcrop, juniper. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: slopes and draws draining to Firehole Canyon, ca 5.5 air mi E of Flaming Gorge Reservoir; ca 5 air mi W of U.S Hwy 191; ca 18.5 air mi SSW of Rock Springs.
Rocky top of butte. Phenology: flowering.

Sandy draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: gently sloping area from Rifes Rim to Vermillion Creek, ca 2 air mi S of Rifes Rim; ca 1.5 air mi E of Wyo Hwy 430; ca 42 air mi SSE of Rock Springs.
Clay outcrop. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: dry creek bottom and adjacent slopes of Granary Draw, ca 3.5 air mi W of Alkali Creek; ca 7 air mi E of Wyo Hwy 430; ca 40.5 air mi SSE of Rock Springs.
Clay, rocky top of butte adjacent to creek on south. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Washakie Basin: south-facing slopes and draws on Kinney Rim draining to the east, ca 10 air mi SSE of Pine Butte; ca 42 air mi SE of Rock Springs.
Open clay slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: rolling buttes and juniper draws draining to North Fork Powder Wash, ca 3 air mi W of Powder Mountain; ca 32 air mi W of Baggs.
Open clay, rock slope. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Canyon Creek E of Kortes or County Road 291, ca 11.2 air mi S of Alcova townsite.
Sagebrush knoll with rock outcrops; Ribes cereum var. pedicellare common. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: hills and draws, ca 1 air mi S of Powder Rim; ca 2 air mi E of Powder Mountain; ca 26 air mi W of Baggs.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: south-facing slopes and draws of Powder Rim as well as rim top and high north-facing slope, ca 5 air mi ENE of Powder Mountain; ca 25 air mi W of Baggs.
North-facing clay slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: slopes and draws ca 1 air mi S of Powder Rim draining to West Fork Cherokee Creek, ca 9 air mi E of Powder Mountain; ca 20 air mi W of Baggs.
Open clay area. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Washakie Basin: badlands ca 3 air mi NW of Dad draining to Muddy Creek, ca 1 air mi W of Muddy Creek; ca 25 air mi NNW of Baggs.
Badlands slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: north-facing slopes and draws of the Jack Morrow Hills draining to Pacific Creek, ca 5 air mi SE of Pacific Creek; ca 8 air mi NNE of Essex Mountain; ca 19.5 air mi ENE of Farson.
Rocky, exposed slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: west slopes and draws of Oregon Buttes at the southern end, ca 10 air mi SE of Wyo Hwy 28; ca 29 air mi ENE of Farson.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: draws and slopes and creek bottom of Alkali Wash, ca 6 air mi SW of Oregon Buttes; ca 25.5 air mi ENE of Farson.
North-facing sandy slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and slopes of South Fork Cedar Creek, ca 3 air mi S of Quaking Asp Mountain; ca 14.5 air mi SSE of Rock Springs.
Sagebrush, rocky slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and slopes of dry tributary to Burnt Canyon Creek, ca 0.5 air mi upstream of confluence of Burnt Canyon and Circle creeks; ca 3 air mi E of Baxter; ca 17 air mi SSE of Rock Springs.
Rocky, north-facing slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: lower elevation draws and slopes from Miller Mountain to the S, ca 2 air mi E of U.S. Hwy 191; ca 29.5 air mi SSE of Rock Springs.
Rocky, sandy ridge. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: slopes of Simpson Gulch and Big Sandy River and river bottom area adjacent to Big Sandy River, ca 9 air mi SW of the confluence of Big Sandy River and Little Sandy Creek; ca 9.5 air mi SW of Farson.
South-facing rocky slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: east-facing draws and slopes and butte top of part the Blue Rim, ca 6 air mi NE of the Green River; ca 3 air mi NW of Alkali Creek; ca 19.5 air mi NW of Rock Springs.
Clay slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: draws and slopes draining to Alkali Creek, ca 5 air mi E of the Green River; ca 1 air mi W of Alkali Creek; ca 18 air mi WNW of Rock Springs.
Rocky area near top of draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and slopes draining to Gap Creek, ca 5 air mi E of Miller Mountain; ca 1 air mi W of Salt Wells Creek; ca 30 air mi SSE of Rock Springs.
Clay slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: drainage to Gap Creek and along Gap Creek, ca 2.5 air mi N of Red Creek badlands; ca 5 air mi S of Titsworth Gap; ca 31 air mi SSE of Rock Springs.
Sandy/rocky slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: draws and slopes draining S to Red Creek, ca 0.5 air mi N of Red Creek; ca 5 air mi NW of Pine Mountain; ca 34.5 air mi SSE of Rock Springs.
Rocky area near butte top. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: slopes and draws draining N to Currant Creek, ca 6 air mi E of Flaming Gorge Reservoir; ca 5 air mi W of Big Ridge; ca 27.5 air mi SSW of Rock Springs.
Sandy, rocky area. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: draws and slopes draining to Sugarloaf Marsh Creek, ca 1 air mi W of West Fork Currant Creek; ca 2 air mi W of Little Mountain; ca 4 air mi N of U.S. Hwy 191; ca 31 air mi SSW of Rock Springs.
Dry flat, rocky (above draw). Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and rolling hills of North Baxter Basin, ca 3 air mi S of Crooked Canyon; ca 10 air mi E of White Mountain; ca 13 air mi NNE of Rock Springs.
Rocky clay flat. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: slopes and draws on western end of Iron Mountain draining to the S, ca 2 air mi NW of U.S. Hwy 191; ca 5 air mi E of Flaming Gorge Reservoir; ca 37.5 air mi SSW of Rock Springs.
South-facing rocky clay slope. Phenology: flowering.

Exposed, rocky clay upper slope. Phenology: flowering.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Gravelly sagebrush slope; Artemisia pedatifida and Atriplex confertifolia common. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: west and southwest side of Dead Indian Dome; ca 12.5 air mi NW of Big Piney.
Sagebrush top, badlands on slopes (severe drought conditions). Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Sublette County: Green River Basin: above North Cottonwood Creek; ca 11 mi WSW of Daniel Junction.
Sandy slopes with outcrops of sandstone. Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Ryan Hill W of Oregon Trail or County Road 319, ca 9.5 air mi NW of Alcova townsite.
Sandy-gravelly roadside. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: above La Barge Creek on County Road 315 or La Barge Creek Road, ca 1.5 air mi NW of Viola; ca 23.5 air mi SW of Big Piney.
Stony red slopes with sagebrush or cushion plant communities. Phenology: flowering.
with Russ Nelson

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: above Emigrant Trail-Lander Cutoff and South Piney Creek, ca 16 air mi W of Big Piney.
Steep slopes of disintegrating conglomerate with sparse vegetation. Phenology: flowering.
with Russ Nelson

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Cretaceous Mountain: a branch of Deloney Canyon above Dry Basin, ca 13.5 air mi SW of Big Piney.
Steep, stony badland slopes with a conglomerate formation. Phenology: flowering & fruiting.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Hogsback Ridge: lower slopes on southeast end of Hogsback Ridge, ca 5.7 air mi W of La Barge; ca 35.5 air mi NNE of Kemmerer.
Red clay soil on sagebrush flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: north rim of Dry Basin just off Calpet Road, ca 10 air mi SW of Big Piney.
Sagebrush plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Willow Hill E of U.S. Hwy 287, ca 11 air mi NW of Rawlins.
Sandy sagebrush grasslands. Phenology: flowering.
with Emmanuelle Vital

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Oyster Ridge, ca 9 air mi N of Kemmerer.
Streamside and sandy slopes below, sandstone outcrops and sandy ridge above. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: mesa with radio tower, ca 10.5 air mi SSW of Big Piney.
Calcareous mesa and upper slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: ca 15 air mi SW of Big Piney.
Shady slopes with sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: Black Canyon Creek at base of grade, ca 18 air mi SW of Big Piney.
Clayey and sandy hill, aspen grove and stream bottom. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: Northwest corner of Cretaceous Mountain, ca 15 air mi SW of Big Piney.
Limestone outcrops and sandy slopes adjacent to gas well. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: off Wyo Hwy 120 on Red Ridge, ca 5.5 air mi E of Grass Creek Post Office; ca 26.5 air mi NW of Thermopolis.
Clay slopes and ridges in rough breaks.

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: Badland Gulch (or Byrd Draw) on the southeast end of Table Mountain, ca 5 air mi ENE of Dubois.
Slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: ca 1.6 air mi NE of Dubois.
Red and gray banded badlands with nearly barren slopes and grassy flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: White Pass and vicinity, ca 6 air mi S of Ramshorn Peak, ca 9 air mi NW of Dubois.
Badlands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: along Negro Creek near the junction with Cottonwood Creek, ca 3.5 air mi NE of Squaw Teat Butte; ca 36.5 air mi WNW of Thermopolis.
Sandy and clay slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Northern Absarokas: "Battleship Mountain", ca 2.5 air mi NW of Dead Indian Pass, ca 24.3 air mi NW of Cody.
Limestone outcrop at summit. Phenology: fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along South Fork Fifteenmile Creek, ca 14 air mi WNW of Worland.
Elev. 4400
Sandstone outcrops in badlands.
with Erik Nelson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along and above St. Joe Canal off Dorsey Creek Road, ca 18 air mi W of Basin, ca 5 air mi SSE of Burlington.
Elev. 4400
Sandy areas and among sandstone outcrops on top of hills.
with Erik Nelson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dry Creek, ca 1 air mi NW of Emblem, ca 18 air mi W of Greybull.
Elev. 4400
Sandy clay cobblestone slopes with sagebrush.
with Erik Nelson

U.S.A., Wyoming, Park County: Bighorn Basin: along McCullough Peak Road above West Branch Whistle Creek, ca 2.5 air mi NE of McCullough Peak, ca 16.5 air mi S of Powell.
Rubble covered slopes leading from benchland to badlands.

U.S.A., Wyoming, Park County: Bighorn Basin: along Whistle Creek Road at Gilmore Hill, ca 7.5 air mi ESE of McCullough Peak, ca 15.5 air mi SSE of Powell.
Open sandy clay areas in the uplands.

U.S.A., Wyoming, Park County: Bighorn Basin: Big Sand Coulee drainage, 19.5 air mi NW of Powell, ca 5.5 air mi NE of Clark.
Roadside.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: North Platte River S of County Road 408, ca 0.3 air mi E of Pathfinder Dam; ca 9 air mi SW of Alcova townsite.
Sandy areas among granite rocks and Rocky Mountain juniper. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: near the mouth of Clarks Fork Canyon, ca 25.5 air mi NW of Cody, ca 8.5 air mi SW of Clark.
Stony-gravelly canyon bottom. Phenology: flowering.
Annotated by Emily Elliott.
Accession: RM 862007, Barcode: USFS0043162

U.S.A., Wyoming, Park County: Bighorn Basin: near Willow Creek on Burlington Pass Road, ca 5.5 air mi SW of Burlington, ca 22 air mi W of Basin.
Cobblestone covered slopes and rims (Willwood Frm).

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Fenton Pass and vicinity and Tatman Mountain, ca 12.5 air mi SW of Burlington, ca 26.5 air mi WSW of Basin.
Cobblestone sagebrush grassland slopes.

U.S.A., Wyoming, Park County: Bighorn Basin: Polecat Bench, ca 7 air mi NNW of Powell.
Cobblestone slopes of rim.

U.S.A., Wyoming, Park County: Bighorn Basin: above Line Creek at Shoshone National Forest boundary, ca 6.3 air mi NW of Clark, ca 29.5 air mi NW of Powell.
Stony sagebrush grassland.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Dry Cottonwood Creek just above Fifteenmile Creek, ca 20 air mi NW of Worland.
Cobblestone rim of bluffs.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 7.5 air mi SE of Torrington, ca 1 1/4 mi NW of Henry, Nebraska, on Jake Kern's farm.
In sandy loam in overgrazed grassland with Yucca, Opuntia, and Alyssum. Frequent. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Hanna Basin: ca 7.5 air mi W of Hanna, ca 28.5 air mi NNE of Rawlins, S of Big Ditch.
Common on north-facing slope with Artemisia tridentata and Stipa comata.
with Tom Turner

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: south side of Copper Mountain just W of West Fork Dry Creek, ca 14 air mi NW of Shoshoni, ca 34 air mi NW of Riverton.
Open feldsic clay area among juniper.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Padlock Rim, along a tributary of South Fork Coal Draw, ca 12 air mi NW of Thermopolis.
Sandy slopes, flats, and rough breaks with juniper and limber pine.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: between Rattlesnake Gulch and Missouri Flats Road, ca 5 air mi NW of Thermopolis.
Grassy sagebrush slope on shale, clay, sand clay.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: between Kester Coulee and Prospect Creek, SW of Ilo Ridge, ca 5 air mi SSE of town site of Grass Creek, ca 25-26 air mi NW of Thermopolis.
Stony knoll in rolling sagebrush-grassland.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge between Sand Draw and Cottonwood Creek just W of Wyo Hwy 120, ca 5 air mi NE of Hamilton Dome, ca 18 air mi NW of Thermopolis.
Rough breaks of sandstones, mudstones, shales, coal, carboniferous shales, and associated soils.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above Red Canyon across from Minnesela Slope, ca 4.5 air mi SW of Thermopolis.
Stony ridge with scattered juniper.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Gumbo Hills, ca 3 air mi E of Hamilton Dome, ca 17-18 air mi WNW of Thermopolis.
Gumbo clay slopes with volcanic cobblestones.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Cottonwood Creek, ca 6 air mi W of Hamilton Dome, ca 25 air mi WNW of Thermopolis.
Rolling hills with sandstone outcrops, sandy and clay patches in sagebrush-grassland or grassland.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain and vicinity: ridge ca 1 air mi E of Red Mountain summit, ca 27 air mi SW of Laramie.
Stony grassland slopes. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 22 air mi N of Linch, ca 28.5 air mi NE of Kaycee, above the Powder River, on the Iragaray Ranch.
Common in sandy soil in rough breaks with Eriogonum brevicaule. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: Powder Rim, ca 7.3 road mi N of Baggs on Wyo Hwy 789 then ca 28.1 road mi WSW on BLM roads, ca 10.7 road mi SW of Sand Creek bridge, ca 44 air mi S of Wamsutter.
On stony slopes. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Johnson County: Big Horn Mountains: ca 17.5 air mi WSW of Kaycee, ca 3.4 mi W of Barnum on Wyo Hwy 190-Barnum Road then on Barnum Mountain Road.
Stony slopes of draw. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Cottonwood Canyon, ca 17 air mi E of Lovell.
Brushy slopes. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: west slope of Little Mountain near Kane BM, ca 14.5 air mi NE of Lovell.
Juniper-sagebrush slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: below northeast side of Little Mountain near Godes Spring, ca 1 air mi S of Devil Canyon, ca 16 air mi NE of Lovell.
Stony grassy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along U.S. Hwy 14A above Five Springs Creek; ca 20 air mi E of Lovell.
Rocky juniper-sagebrush slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: NE corner of Sheep Mountain, ca 23 1/4 mi W of Laramie; ca 2 mi S of Wyo Hwy 130.
Abundant in fine granitic gravel with Leptodactylon. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Big Horn Mountains: along Stove Creek on the Nowood Road, ca 15.5 air mi NNE of Lost Cabin, ca 54 air mi NE of Riverton.
Sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: Squaw Teats, ca 15 air mi ESE of Meeteetse.
Sandy soil on the buttes.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 11.5 air mi SE of Grass Creek; ca 19 air mi NW of Thermopolis on the Cottonwood Creek Road.
Sandy clay soil in grassland.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: S of Fivemile Creek, ca 12 air mi WSW of Manderson; ca 22 air mi SW of Basin.
Sandstone breaks and slopes below badlands.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Fox Mountain, ca 9 air mi E of Greybull.
Rocky areas.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Potato Ridge, ca 14 air mi ESE of Greybull.
Shaly sagebrush-saltsage slopes.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 5.5 air mi S of Worland on the Nowater Trail.
Clay soil on sagebrush grass slopes.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 15 air mi SSE of Worland on the Nowater Trail.
Rocky, sandy areas.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Big Cedar Ridge, ca 14 air mi SSW of Ten Sleep on Blue Bank Road.
Sandy juniper woods with scattered rock outcrops.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 0.8 mi S of Hamilton Dome; ca 19.5 air mi WNW of Thermopolis.
Stony knolls.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above Buffalo Creek on the road to Little Buffalo Basin, ca 5 air mi N of Dickie, ca 40 air mi NW of Thermopolis.
Interbedded sandstone and clay rough breaks.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: on the road to Grass Creek, ca 3 air mi N of Grass Creek, ca 40 air mi NW of Thermopolis.
Clay or sandy slopes below rough breaks.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 5.5 air mi W of Hamilton Dome, ca 25 air mi WNW of Thermopolis.
Sandstone ridgetop with scattered limber pine and juniper.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Park County: Bighorn Basin: near the head of Spring Creek, ca 6 air mi S of Cody.
Sandstone ridge.

U.S.A., Wyoming, Park County: Bighorn Basin: on the divide between Gooseberry Creek and Renner Draw, ca 1.5 air mi S of Gooseberry Creek; ca 11 air mi S of Meeteetse.
Open clay slopes with sandstone rubble.

U.S.A., Wyoming, Fremont County: West side of Ocean Lake.
Sagebrush slopes. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: Gas Hills Mining District; ca 4.2 air mi SSW of intersection of Gas Hills Road (Wyo Hwy 136) with Ore Road (main road through GHMD).
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: Gas Hills Mining District; ca 2.5 air mi E of the intersection of Gas Hills Road (Wyo Hwy 136) and Ore Road (main road through GHMD).
Sagebrush grassland. Hog Heaven, by camp road. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: Gas Hills Mining District; ca 2.5 air mi E of the intersection of Gas Hills Road (Wyo Hwy 136) and Ore Road (main road through GHMD).
Loose soil slopes below sandstone outcrop. Hog Heaven, by camp road. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Wind River Basin: Gas Hills Mining District; ca 7.5 air mi ENE of the junction of Gas Hills Road (Wyo Hwy 136) and Ore Road (main road through GHMD).
Sagebrush grassland drainage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East side of Boysen Reservoir, southern edge of bay.
Sagebrush grassland. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: Willow Creek, ca 5 air mi NW of Muddy Gap Junction (Three Forks).

U.S.A., Wyoming, Carbon County: Northern side of the Ferris Mountains: along Little Cherry Creek and slopes above Little Cherry Creek, ca 6 air mi SE of Muddy Gap Junction (Three Forks).
Shrubby slopes and hilltops.

U.S.A., Wyoming, Natrona County: Cedar Ridge, ca 13 air mi NNW of Hiland.
Sagebrush-juniper slopes. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Pathfinder Reservoir, ca 23 3/4 air mi ENE of Muddy Gap Junction (Three Forks).
Granite slopes. Phenology: vegetative only.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Southeast edge of Trail Lake at inlet of Torrey Creek, ca 8.2 air mi SSE of Dubois; ca 6.9 mi S on Trail Lake Road.
Sagebrush grassland. Phenology: fruiting.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: edge of Moneta Hills (badlands), ca 3 3/4 air mi NNE of Moneta.
Sandstone outcrop. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Edge of Government Meadows, ca 4.5 air mi NNE of Sweetwater Station.
Sandy sagebrush grassland. Phenology: buds.

U.S.A., Wyoming, Natrona County: Wind River Basin: E-K Creek, ca 7.5 air mi NNE of Arminto.
Red, sandy soil in rocky area. Phenology: flowering.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Flats, across U.S. Hwy 26 from Haines Farm, ca 9 mi W of Riverton on Wyo Hwy 26.
Sagebrush grassland and badland slopes and bottoms. Phenology: buds.

U.S.A., Wyoming, Fremont County: Wind River Basin: Chalk Hills Draw and badlands, ca 10 air mi SE of Moneta on Castle Gardens Road.
Sagebrush grassland and badland slopes and bottoms. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: Granite Mountains, Long Creek Mountain, ca 15.5 air mi NW of Jeffrey City.
Sagebrush grassland and rocky outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Sweetwater Rocks: Cranner Rock, ca 14 3/4 air mi ESE of Jeffrey City.
Sandy soil at base of granite outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: top of Beaver Rim: Devils Gap, ca 7 air mi NNW of Sweetwater Station.
South facing slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Flats, across U.S. Hwy 26 from Paradise Valley Road, ca 6 air mi WNW of Riverton.
Sagebrush grassland in sandy ravine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: flats, across U.S. Hwy 26 from Haines farm, ca 9 air mi W of Riverton.
Sagebrush grassland and badland slopes and bottoms. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Red Hills, WNW of Muddy Gap, 2.5 air mi WSW of Muddy Gap Junction.
Rocky hilltop. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Top of Beaver Rim, SW of Devils Gap, ca 6.5 air mi NNW of Sweetwater Station.
Sandy soil under Pinus flexilis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Rock Springs Uplift: ridge and Split Rock Canyon, NE of Steamboat Mountain.
Narrow ridge S of canyon, with pebble pavement and rock and clay slopes, canyon bottom with sagebrush flats; ridge. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Cherry Creek, ca 5.2 air mi S of Wyo Hwy 220; ca 13.6 air mi SW of Independence Rock.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Porcupine Creek, ca 21 air mi SE of Reno Junction.
Scoria grassland in rolling hills, deep-cut draw with rocky slopes, greasewood flats along creek; outcrops of sandstone. Phenology: buds.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 18 air mi E of Thermopolis.
Sandstone uplift with outcrops, rocky and sandy slopes, sagebrush grassland on bench above, loose shale slopes; bench.
with Ronald L. Hartman

U.S.A., Wyoming, Washakie County: Bighorn Basin: above South Fork Fifteenmile Creek, ca 23 air mi W of Worland.
Badlands above creek, highly eroded clay and shale slopes, rocky slopes with sandstone, hard clay flats below slopes; slopes.
with Ronald L. Hartman

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: ca 11 air mi E of Thermopolis.
Tilted beds of Chugwater sandstone, gypsum, sandy and rocky slopes, shaley slopes, rolling plains above with sagebrush; rocky slope.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: Blue Hill; ca 16 air mi SE of Thermopolis.
Loose, shaley slopes of hill, rocky plains on summit, mud around holding pond in drainage below, sagebrush on lower slopes of hill; shaley slopes.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 20 air mi SE of Reno Junction.
Gently rolling sagebrush plain, eroded slopes with coal outcrops and sand, scoria outcrops; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Green River Basin: Sage Creek Mountain; ca 12 air mi SE of Mountain View.
Sandy slopes with Utah juniper, clay slide slopes; sandy ridgetops with sagebrush; sandy slopes. Phenology: flowering & fruiting.

Sandstone ridges with juniper, loose sand, sandy or shaley slopes below caprock of higher level escarpment; escarpment. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: Dickinson Hill; on north rim of Goshen Hole, ca 13 air mi SE of Wheatland.
Eroded, sandy breaks, draws and gullies with juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: Flat Top Hill; ca 17 air mi ENE of Douglas.
Sandy slopes below caprock of butte, outcrops along edge of butte, sage-grassland on top, sandy plains below; slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 29 air mi NW of Casper.
East-west divide, with gently sloping, shaley plains, steep, eroded, shaley north-facing slope of divide, small flat-topped butte, and drainages on slope and shallow drainage on plains; butte. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Pumpkin Buttes: North Butte.
Eroded rocky slopes on west face, rolling plains below, and plains at summit. Juniper and limber pine on slopes; open slopes. Phenology: flowering.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Rolling plains, slope, rocky ground at summit; rocky slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: south ridge of Powder River, ca 2 mi E of Sheridan County.
Sandy, rocky slope, with juniper, plains at summit; rocky summit. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: White Tail Butte.
Sandy slopes, sagebrush plains, draws, and roadside; plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Wyo Hwy 59, 4.7 mi N of Converse County.
Plains along right-of-way, ditch, open ground on road cut; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Plains, streambanks, drying mud behind holding dam; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Plains and flats along draw; plains. Phenology: flowering & fruiting.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 15.5 mi ESE of Reno Junction.
Sagebrush plains, ponderosa pine covered slopes, sandstone outcrops; plains, sandy slope. Phenology: flowering & fruiting.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Small pond, along roadway, adjacent outwash from plains, and eroded plains; plains. Phenology: flowering & fruiting.
with Ronald L. Hartman and Mary Alice Sanguinetti.

Ponderosa pine slopes, eroded plains; plains. Phenology: flowering & fruiting.

Sagebrush plains, eroded slopes, clay ridges; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 7 air mi SSW of Gillette.
Open ground along road, sagebrush plains; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Fletcher Canyon.
Dissected plain and open canyon slopes; plains. Phenology: flowering & fruiting.

Plains and head of draw, highway right-of-way; plains. Phenology: flowering & fruiting.

Heavily grazed plains and butte, eroded slopes, small holding pond; plains and butte top. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Plains, sandstone outcrops, and hard sand along pipeline route; plains. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

Eroded uplands, ponderosa pine ridges, ravines, sagebrush plains, open clayey slopes, loose talus; plains. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 10 road mi NNW of Gillette.
Rolling plains, sandstone uplift, outcrops, sandy ravines, highway right-of-way; sandstone outcrop. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

Plains, small draw, gravelly roadcuts; plains. Phenology: fruiting.

Rolling plains, small draw; plains. Phenology: flowering & fruiting.

Sandy roadside buttes, loose talus slopes, outcrops, plains; plains. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 4.5 air mi W of Pine Tree.
Dry plains, sandy roadcuts, depressions; plains. Phenology: fruiting.

Plains, draw, eroded slopes, sandy roadcuts; plains. Phenology: fruiting.

Plains, scoria topped butte, loose talus slopes; plains. Phenology: flowering & fruiting.

Ponderosa pine covered buttes, steep shale and talus slopes, sagebrush plains at summit, ravines; plains. Phenology: fruiting.

Sandy plains, shallow draw, clinker outcrops; plains. Phenology: fruiting.

Caprock topped mesa, sagebrush/grassland on lower slopes, limber pine scattered, rocky slopes, loose sandy slopes, plains at summit, with occasional wet depressions; slopes. Phenology: fruiting.

Scoria topped butte, loose talus slopes, plains; slopes. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Sandy, rolling plains, draws; plains.

U.S.A., Wyoming, Johnson County: Powder River Basin: along South Fork Powder River, ca 7.5 air mi SE of Kaycee.
Rocky, loose shaley hillside, floodplain along river; slope. Phenology: buds.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Stony plains, sandstone outcrops, rocky slopes, with scattered ponderosa pines; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Scoria topped buttes along creek, loose, pebbly slopes, plains; top of butte. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: Willow Creek, ca 18 air mi SSW of Kaycee.
Shaley pine covered slopes above creek, sagebrush plain at summit of hills, sandy flats along creek, lower clay slopes; sagebrush plain. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Powder River Basin: Indian Creek, ca 7 air mi NW of Whitman.
42.9234° N, 104.2415° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
On sandy soil associated with gramma grass, plains, draws, meadow along creek; draws. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Powder River Basin: above East Branch Robbers Roost Creek, ca 5 air mi NE of Riverview.
Sagebrush plains, shaley ridge above creek; ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: West side of Powder River, ca 0.5 mi S of I-90.
Breaks above river, clay slopes, ravines; slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Artemisia cana plains, draws; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: [location and coordinates withheld]
Sandy plain, sandstone butte with outcrops, rocky slopes; slopes. Phenology: fruiting.

U.S.A., Wyoming, Niobrara County: Powder River Basin: ca 2.5 air mi E of Cow Creek.
Sandstone butte, gravelly crest, rocky slopes; crest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: ca 12.5 air mi N of Casper.
Rolling sandy plain, sandstone outcrops; outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 17 air mi SE of Buffalo.
Sandy plain, shallow draw, flats around holding pond; plain. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: ca 24 air mi N of Natrona.
Gently rolling sagebrush plain on red sand (Chugwater Formation), small outcrops; plain. Phenology: vegetative only.

U.S.A., Wyoming, Natrona County: Powder River Basin: Hells Half Acre, ca 5 air mi W of Powder River.
Bentonite badlands, slopes, drainages at bottom of slopes, sandy plains above; slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Sandstone ridge, outcrops, rocky slopes, heavily grazed sagebrush plain; outcrops. Phenology: vegetative only.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sandy plain, ponderosa pine slopes; slopes. Phenology: fruiting.

Hilly, stony plains. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Whiskey Gap at west end of Ferris Mountains, ca 2.5 air mi SE of Three Forks Junction; ca 10 air mi NE of Bairoil.
Southeast facing slope of loose limestone shale with scattered limber pine. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Signal Butte; ca 1.5 air mi WSW of Ten Sleep.
Flats along drainage, shale slopes and rocky ridge top of butte; ridge top.

U.S.A., Wyoming, Park County: Bighorn Basin: YU Bench, along Burlington-Meeteetse Road, ca 16.5 mi NE of junction with Wyo Hwy 120.
Sandstone ridge, dissected slopes of bench; ridge top.

U.S.A., Wyoming, Park County: Bighorn Basin: "Colter Hell", 3 air mi W of center of Cody.
Inner slopes of pits from former hot springs, surrounding plains; plain.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 9 mi NE of Dubois, ca 2 mi NW of junction of East Fork Wind River and Bear Creek.
Sagebrush grasslands (Artemisia tridentata var. wyomingensis) and limestone, shale and granite sand to boulders; dry sites. Phenology: flowering.
Robert S. Kirkpatrick, 2659. 6/20/1984.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 11 air mi NE of Dubois, 1.5 mi E of Game and Fish Elk Winter Headquarters.
Sagebrush grasslands (Artemisia tridentata var. wyomingensis) with scattered Pinus flexilis; limestone with occasional cliffs dry sites. Phenology: flowering & fruiting.
Robert S. Kirkpatrick, 2712. 6/21/1984.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 3 air mi NW of Dubois, west side of Tappan Creek in vicinity of junction with Butler Draw.
Sagebrush grasslands (Artemisia tridentata var. wyomingensis); dry sites. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 20 air mi S of Meeteetse, between Twin Buttes and Little Grass Creek.
Slopes with Juniperus scopulorum and Pinus flexilis; dry, open areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 16 air mi SW of Meeteetse, upper end of the North Fork of Dick Creek, ca 5 mi from the Wood River.
Sagebrush grasslands with scattered Potentilla fruticosa; dry areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station.
Sagebrush with scattered Pinus flexilis; dry areas. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman & Richard Rabeler in 2004. Rocky Mountain Herbarium, University of Wyoming, Laramie

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 10 air mi NE of Dubois, on the north end and in the vicinity of Black Mountain.
Pseudotsuga menziesii and Pinus flexilis on limestone scree and talus with scattered rocky outcrops; dry open areas. Phenology: flowering & fruiting.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 7 air mi NNE of Dubois, south side of Spring Mountain.
Dry meadows (grasslands). Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: County Road 499, ca 1.5 road mi SE from Wyo Hwy 220; ca 8.5 air mi NE from Three Forks Junction.
Chalky, sandy hills dominated by grasses and cushion plants. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 22 air mi W of Meeteetse, along the North Fork of Pickett Creek.
Sagebrush grasslands; dry areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 33 air mi SW of Cody, at the junction of Boulder Creek and Little Boulder Creek.
Sage grasslands with scattered limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Sentinel Rocks: West Beef Acre Spring, ca 4.4 air mi E of Wyo Hwy 220; ca 4.2 air mi SW of Independence Rock.
Granite rocks with Rocky Mountain juniper and scattered limber pine. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 10.5 air mi NE of Dubois, along Bear Creek in the vicinity of the East Fork Elk Winter Pasture Headquarters.
River bottoms and adjacent areas. Phenology: flowering & fruiting.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 11 air mi NNW of Dubois, 0.5 mi W of the junction of Bear Creek and Bain Creek.
Sagebrush grasslands with scattered limber pine and occasional wet areas. Phenology: flowering & fruiting.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Natrona County: Oil field, ca 4.2 air mi N of Waltman.
Eroded shale slopes with sandstone outcrops and drainages. Phenology: vegetative only.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Spring Creek Road 2.3 mi E of junction with Wyo Hwy 434.
Ravines and eroded shaley slopes. No elevation listed in field book.
with Keith H. Dueholm

U.S.A., Wyoming, Washakie County: Bighorn Basin: Castle Gardens, ca 6.5 air mi SW of Ten Sleep.
Sandy soil and sandstone outcrops.

U.S.A., Wyoming, Washakie County: Bighorn Basin: North Butte, ca 10 air mi SW of Ten Sleep.
Shaley ridge and slopes with Artemisia, Atriplex, and Chrysothamnus.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: John Blue Canyon Road, 5.9 mi NNE of U.S. Hwy 14A.
Limestone outcrops and slopes with Juniperus osteosperma. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: Pappapau Buttes.
Sandstone and limestone outcrops and slopes.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: north slope of Bridger Mountains: U.S. Hwy 20, ca 5 air mi S of Thermopolis.
Limestone and sandstone. No elevation listed in the field notebook.

U.S.A., Wyoming, Albany County: Lower Pine Ridge, ca 4 air mi ESE of Rock River.
Ridge with Pinus ponderosa; mostly sandstone, with some shales and possibly limestone. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 6 mi W of Ten Sleep.
44.0286° N, 107.5629° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Shaley slopes.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 8 air mi WSW of Worland near mile post 5 on Wyo Hwy 431.
Mostly sandy, some clayey, slopes with sagebrush dominating.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 10 air mi E of Thermopolis.
43.6309° N, 107.9996° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Chugwater cliffs and adjacent plains.

U.S.A., Wyoming, Natrona County: Rattlesnake Mountains: Burnt Wagon Draw and surrounding north slope of range.
Limber pine covered north slope with drainages and open slopes and flats. Phenology: flowering & fruiting.
with Gael Fonken

U.S.A., Wyoming, Natrona County: Rattlesnake Mountains: Garfield Peak and northeast slope.
Sandstones, shales, and limestone on lower slopes with granite above; streambanks, open slopes, and limber pine woodlands. Phenology: flowering & fruiting.
with Gael Fonken

U.S.A., Wyoming, Fremont County: Wind River Basin: Cedar Ridge and barren hills to the N.
North slopes and crest of ridge with Juniperus osteosperma. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Southwest flank of Copper Mountain, ca 14 air mi NNE of Shoshoni.
South exposure; along road and rocky slopes; precambrian rocks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: Beaver Rim just S of Muskrat Basin.
Limestone and conglomerate outcrops at top of rim and slopes below. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: West ridge leading to summit of Heart Mountain.
Open slopes and ridges and badlands; sandstone and shales. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: Beaver Rim: ca 17 air mi NE of Jeffrey City.
Rim edge and slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 12 air mi SE of Lovell.
Red beds and shales with some gypsum; mosaic of community types dominated by Sarcobatus, Atriplex tridentata, and Atriplex gardneri.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 9 air mi NE of Clark.
Sandstone outcrops and shaley drainages; sagebrush and salt bush community types.
with John Hamann

U.S.A., Wyoming, Park County: Absaroka Mountains: Boulder Basin Trail, Hunter Creek, and vicinity.
Rolling grassy hills with scattered limber pine. Phenology: flowering.
with Robert S. and Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Fremont County: Absaroka Mountains: Horse Creek, ca 5 air mi N of Dubois.
Rolling sagebrush grassland and hills and river margins. Phenology: flowering & fruiting.
with Robert S. and Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: Bull Creek, ca 2 air mi SE of the South Fork Shoshone River.
Sagebrush-rabbit brush grassland and adjacent creek bottoms. Phenology: flowering & fruiting.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Park County: Bighorn Basin: Spring Creek, 2 air mi WNW of Meeteetse.
Sandstone outcrops and grassy ridge.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: East Fork Big Wind River, 7 air mi ESE of Dubois.
Sagebrush hills with red beds and shales. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: ca 18 air mi S of Moneta.
Sandy ridge with sandstone outcrops and sagebrush covered slopes. Phenology: flowering.
with June Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: Burma Road, ca 5.8 air mi N of junction of U.S. 26 and Wyo Hwy 789 in Riverton.
Eroded slopes, sandstone outcrops, and drainage. Phenology: flowering.
with June Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: Wyoming Canal, ca 15.5 air mi WNW of Shoshoni.
Eroded sandy and shaley slopes and drainage. Phenology: flowering.
with June Haines

U.S.A., Wyoming, Natrona County: Wind River Basin: Sentinel Rocks, 2.5 air mi SE of Independence Rock.
Sandy sagebrush covered plains, granite mountains with massive boulders and moist seeps, aspen woodlands in drainages; sandy sagebrush covered plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Wind River Basin: Poison Spider Road, ca 14 air mi W of Poison Spider Oil Field.
Sandy slopes and ridge with sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absarokas: Sunlight Creek, ca 24 air mi NW of Cody.
Open grassy ridges and slopes, granite outcrops and cliffs, streamside, and occasional sedimentary outcrop; grassy area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Northern Absarokas: rim of Natural Corral and ridge above.
T55N R104W S13; also S24
Open grassy slopes, talus slopes, and rimrock; sandstone and limestone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Ishawooa Hills and Creek.
Sedimentary substrate of shales and sandstone and derivatives; sagebrush hills and slopes and badlands.
with Neil Snow

U.S.A., Wyoming, Natrona County: Wind River Basin: ca 14 air mi SW of Casper.
Cody shale (selenium species) and Frontier Formation (sandy soil species), with sagebrush and rabbit brush. Phenology: flowering.
with Greg Brown

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: Granite Mountains: Lankin Gap between Lankin Dome and McIntosh Peak, ca 3 air mi NW of Split Rock.
Drainage through granite boulders; thickets of Physocarpus monogynus and other shrubs. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 8.5 air mi N of Soda Wells.
Rolling hills dissected by stream with some hills bare and with clinkers on top; slopes. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi SSE of Reno Junction.
Plains. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: U.S. Hwy 14-16, ca 6 mi SE of Horse Creek Butte.
Road cut and edge of rolling plains. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi SE of Gillette.
Hill with grassy ridge and steep slopes, eroded slopes, and roadside; ridge. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 7 air mi ESE of Gillette.
Stream with adjacent eroded hills and plains; slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Porcupine Creek, ca 15 air mi SSE of Reno Junction.
Margins and adjacent sandy flats. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: head of Piney Canyon; ca 22 air mi SE of Reno Junction.
Rocky slopes, stream margins, and ponderosa pine woodlands; open slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 3.5 air mi S of Reno Junction.
Sagebrush covered slopes. Phenology: flowering.

U.S.A., Wyoming, Converse County: Powder River Basin: ca 12.5 air mi NE of Bill.
Ridge. Phenology: flowering & fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 15.5 air mi ESE of Reno Junction.
Eroded hills with ponderosa pine. Phenology: flowering & fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 19 air mi NNE of Gillette.
Low eroded slopes and drainage. Phenology: flowering & fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 12 air mi NE of Weston.
Ponderosa topped hills and flats below. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi WNW of Rockypoint.
Eroded hills with ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Eighty-five Divide, ca 11 air mi W of Rockypoint.
Hills with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 9 air mi SW of Gillette.
Low hills with drainage and large shallow pond on flat. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Dead Horse Creek, ca 19 air mi WSW of Gillette.
Creek bottom and adjacent slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 1 air mi N of I-90 at the Powder River.
Roadside and eroded slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 22 air mi NNE of Sussex.
Low hills and drainage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Pumpkin Buttes: North Middle Butte.
Top and upper slopes of butte. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 1 road mi W of Turnercrest.
Roadsides and grasslands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Wyo Hwy 387, ca 3.5 road mi E of Johnson County.
Sandstone outcrop along highway. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: Wyo Hwy 387, ca 8 road mi W of Campbell County.
Pine covered hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: ca 4 air mi S of Powder Rim, ca 7.3 road mi N of Baggs on Wyo Hwy 789, then ca 46.2 road mi WSW on BLM roads; 0.9 mi E of Bitter Creek Road.
Sandstone outcrop on ridge and sandy slopes. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: North Fork Crazy Woman Creek, ca 13 air mi SW of Buffalo.
Limestone outcrops and rocky slopes, shaded stream side, and aspen woodlands with adjacent meadows; rocky slopes. Phenology: flowering & fruiting.

Gravelly hills; black sage, creeping juniper, and limber pine common. Phenology: flowering.

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: Acorn Ridge, Sweetwater River, ca 4 air mi NW of Wyo Hwy 28, ca 37 air mi NE of Farson.
Broken shale outcrop on south face of ridge near summit. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: ridge and flats adjacent to dirt road leading to Irish Canyon, ca 1 mi N of Big Sandy, ca 25.5 air mi SE of Pinedale.
Rocky sagebrush grassland on ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: South Pass, on W side of Wyoming Highway 28, ca 1.5 mi NE of bridge over Sweetwater River, ca 6 air mi SW of South Pass City.
Dry, sandy-rocky roadside in barren sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: Little Red Bill Hill and vicinity, ca 5.5 air mi W of Yoder; ca 15.5 air mi SW of Torrington.
Short grass plains. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: above Horse Creek just N of Laramie County, ca 12 air mi SW of La Grange; ca 36 air mi SSW of Torrington.
Open rocky slopes below shortgrass plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek and adjacent plains W of County Road 191, ca 4 air mi S of La Grange; ca 34 air mi S of Torrington.
Steep sparsely vegetated slopes below mixed grass plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: northwest end of Bear Mountain, ca 7 air mi SSW of Hawk Springs; ca 27 air mi SSW of Torrington.
Steep, sandy north slopes below sandstone cliffs with outcrops and blocks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: drainage leading to Middle Fork Casper Creek along Bucknum or County Road 125, ca 18.5 air mi NW of Casper.
Rolling plains of budsage or Gardner saltbush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ridge W of Hemingway Draw along Thirtythree Mile or County Road 110, ca 24.5 mi NW of Casper.
Rolling plains with a mosaic of grassland, sagebrush-grassland, and semi-barren clay knolls, ridges, and slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Open, rocky slopes in rough breaks. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Stone Cabin Creek crossing Poison Spider or County Road 201, ca 38 air mi NW of Alcova townsite.
Sagebrush-grassland with occasional greasewood; selenium indicators present. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Fletcher Park or County Road 133 ca 3/4 air mi N of North Laramie River, ca 23 air mi WSW of Guernsey; ca 14 air mi NW of Wheatland.
Sagbrush-grassland of fine gravelly soils and cobblestones. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Okie Draw and a tributary NW of Notches Dome, ca 12 air mi NE of Waltman; ca 44.5 air mi NW of Casper.
Sandy areas among sandstone pavement with scattered ponderosa and limber pine. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Baker Cabin or County Road 108 between North Fork Cottonwood Creek and Gray Wall, ca 12 air mi NE of Arminto; ca 51 air mi NW of Casper.
Stony, calcareous knoll with cushion plants and mountain mahogany thickets. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Emigrant Gap Ridge off Zero or County Road 202, ca 1 air mi W of Emigrant Gap on the Oregon Trail, ca 13 air mi W of Casper.
Slopes of shale flakes with scattered vegetation. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along the Oregon Trail on Oregon Trail or County Road 319, ca 1.5 air mi ENE of Ryan (Prospect) Hill, ca 27.8 air mi SW of Casper.
On top of shelves and ledge of conglomerate. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 1 air mi N of Chivington Draw along County Road 226 ca 12.5 air mi N of Burns, ca 28 air mi NE of Cheyenne.
Sandy rolling grass plains with areas of shallow soil and exposed bedrock. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: between Sprager and Middle creeks along County Road 139 ca 19 air mi NNW of Burns; ca 26.3 air mi NE of Cheyenne.
Sandy shale outcrops and knolls. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: between County Road 215 and Union Pacific Railroad tracks, ca 2.3 air mi W of Hillsdale; ca 15.3 air mi NE of Cheyenne.
Sandy shale outcrops and knolls. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: S of the head of Hefflen Draw, ca 1.5 air mi ENE of the eastern three Buttes, ca 6.5 air mi SSE of Lingle; ca 7.3 air mi WSW of Torrington.
Sandy shale outcrops in mixed grass plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: east end of Wildcat Butte, ca 14.8 air mi NE of Lyman; 5.4 mi E on Church Butte Road.
Slopes and ridgetop of butte with cobblestones, clay bottoms with sagebrush and sandy soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: E of County Road 211, ca 1.2 air mi N of McClanahan Draw; ca 5.4 road mi to Poison Spider or County Road 201.
Badlands; hard clay soil interspersed with sandy areas of sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 0.5 air mi NW of Ayres Natural Bridge campground.
Road cut and plains along fence. Phenology: flowering & fruiting.

Sandy road cut and banks along road. Phenology: flowering & fruiting.

Sandy grasslands and road cuts. Phenology: flowering & fruiting.

Sandy plains and road cut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 3 air mi E of Esterbrook.
Sandy slope and plains with grassland and occasional ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 14 air mi SSE of Esterbrook.
Sandy plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 4 air mi SSE of Douglas.
Sandstone outcrop and sandy slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Limestone outcrops and calcareous grasslands with juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Sandstone outcrops and sandy slopes; ponderosa pine and grasslands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 7.5 air mi W of Wheatland.
Short-grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 9.5 air mi W of Wheatland.
Short-grass prairie and drainage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 4 air mi E of Albany County.
Sandy plains with short-grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, less than 1 air mi E of Fremont County.
Alkaline draw with sandy slopes. Phenology: flowering & fruiting.
with T. W. Nelson

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1.2 air mi NNW of Waltman.
Sandy draw and slopes. Phenology: flowering & fruiting.
with T. W. Nelson

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1.5 mi E of Arminto.
Sandy slopes. Phenology: flowering & fruiting.
with T. W. Nelson

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 6 air mi NW of Arminto.
Sandy-rocky slope and eroded drainage areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 10 air mi SW of Waltman along Powder River.
Sandy slopes and sandstone outcrop with juniper. Phenology: flowering & fruiting.
with Thomas W. Nelson

U.S.A., Wyoming, Albany County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 1.5 air mi W of Platte County.
Sandstone/metamorphic outcrops. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 2 mi E of Slater on breaks.
Sandstone outcrops and sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole Rim: Mers Hill, ca 10 air mi E of Slater.
41.8789° N, 104.615° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Sandstone outcrops and sandy slopes. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34 and I-25 interchange, ca 7 mi S of Wheatland.
Sandy slopes and stream bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Limestone outcrops with mountain mahogany juxtaposed with degrading granites. Phenology: flowering & fruiting.

Draws and granite slopes of ponderosa pine, sagebrush, and snowberry. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: north end of Cheyenne at Wyo Hwy 211 and I-25 interchange.
Plains and roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Sandy slopes. Phenology: flowering & fruiting.

Sandy areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 18 air mi SW of Chugwater.
Limy slopes and hill tops with badlands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 3 air mi E of Fontenelle.
Sagebrush slopes and ridge. Phenology: flowering.
with Tom Cramer and Charmaine Refsdal

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Wheat Creek to Windy Gap and Oyster Ridge, ca 14 air mi N of Kemmerer.
Sagebrush slopes, sandstone and limestone outcrops, cushion plant communities on ridge, wet draws, and stream margins. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: BLM Road 5410, ca 1.3 road mi SE of Wyo Hwy 351; ca 4 air mi WSW of junction of Wyo Hwy 351 and U.S. Hwy 191.
Badlands, clays and sand with sagebrush along wash. Phenology: flowering.
Annotated by Thomas Cramer.

U.S.A., Wyoming, Sublette County: Green River Basin: hill just SW of Onion Springs, ca 7 air mi SW of Daniel Junction.
Sagebrush hills, open ridgetops, and Prunus/Amelanchier spots. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 17.5 air mi NW of Farson.
Sagebrush draw with gravel hillsides and sparse sagebrush. Phenology: flowering & fruiting.
with Jane T. Kellett

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 26.5 air mi WNW of Farson.
Shale and sandstone canyonside with sparse Atriplex and sagebrush. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Sublette County: Green River Basin: east side of Elk Mountain, ca 2.5 air mi W of Elkhorn Junction.
Sagebrush flats, slopes, and windswept hill tops. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: New Fork River, ca 4.5 air mi S of Boulder.
Riverside meadows and cottonwood/willows with adjacent sagebrush. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Fremont County: Green River Basin: West Willow Creek and vicinity, ca 2.5 air mi NW of South Pass City.
Sagebrush hillsides, streamsides, meadows, and granite outcrops. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: east side of Aspen Ridge, ca 10 air mi W of Daniel.
Sagebrush hills, grassy draws, windswept hilltops, and aspen copses. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: north side of lower Meadow Canyon by Bench Corral Springs, ca 13 air mi NW of Marbleton.
Sagebrush hillside, grassy draw, and spring. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: north side of Ross Butte overlooking New Fork River, ca 10 air mi E of Big Piney.
Open slopes, intermittent sagebrush, and badlands. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: north end of West Buckhorn Draw, ca 17 air mi E of La Barge.
Sagebrush slopes, draws, and tops. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: east side of Hogsback Ridge above Calpet, ca 7.5 air mi W of La Barge.
Shrubby, northeast-facing hillside, open ridgetops, south-facing slopes, and Douglas fir shaded gulch bottom. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: west edge of The Mesa, ca 13 air mi SW of Boulder on the east side of County Road 110.
Windswept cobblestone hilltop. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: Holden Hill above Fontenelle Reservoir, ca 8.5 air mi NW of Fontenelle Dam.
Windswept rocky hilltop with scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: Eighteenmile Canyon, ca 20.5 air mi W of Farson.
Rocky hilltop with scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Green River Basin: Continental Divide at Sweetwater River and Palmer Draw, ca 10 air mi W of South Pass City.
Streamside, Douglas fir canyonside, sagebrush slopes, and open rocky ridges. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Long Draw, ca 20 air mi N of Farson.
Gravel hilltop edges above draw with scattered sagebrush and Atriplex. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 17 air mi NW of Farson.
Sagebrush and Atriplex hillsides and tops. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Sugar Loaf, ca 26.5 air mi NW of Farson.
Gravel open hilltop with scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: Buckhorn Canyon, ca 14 air mi NE of Fontenelle Dam.
Scattered sagebrush and Atriplex hilltop. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 4 air mi WNW of Boulder.
Gravel soil sagebrush mesa top. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: east end of Ross Ridge, ca 14.5 air mi SSW of Boulder.
Clay draw sides with Atriplex and scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Muddy Creek, ca 3 air mi N of Big Piney.
Gravel soil sagebrush. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: ca 15.5 air mi SSW of La Barge.
Sandy sagebrush draw down from hill. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: Slate Creek Butte, ca 5 air mi SW of Fontenelle Dam.
Clay and cobblestone hillside with sparse sagebrush. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Green River Basin: ca 4 air mi W of South Pass City.
Gravel and granite slope with scattered limber pine and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 20.5 air mi NE of Farson.
Sagebrush hillside. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 20 air mi NE of Farson.
Sagebrush hillside and draws. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: North Alkali Draw, ca 15 air mi E of Big Piney.
Eroded clay hillsides with Atriplex. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: southern end on the east side of the Prospect Mountains, ca 17 air mi W of South Pass City.
Sagebrush slopes and hills, open rocky ridges, aspen groves, and pine stands. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: ca 13.5 air mi NE of Kemmerer.
Sagebrush and Atriplex flats at the base of a mesa. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: south end of Slate Creek Ridge, ca 11.5 air mi NNE of Kemmerer.
Windswept hilltop. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: south end of Fontenelle Reservoir, ca 2 air mi NW of Fontenelle Dam.
Cobblestone hilltop with sparse shrubs. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 11.5 air mi SW of Boulder.
Cobblestone hilltop edge with scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 5 air mi ESE of Big Piney.
Sagebrush hilltop edges. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: ca 2 air mi E of La Barge.
Shale mesa top edges with sparse sagebrush and occasional Pinus flexilis and Juniperus. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 9.5 air mi E of La Barge.
Cobblestone sagebrush mesa top. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: ca 13 air mi N of Opal.
Sandy slopes with occasional sagebrush and Atriplex. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Flat Top, ca 10.5 air mi SE of Big Sandy.
Rolling sandy sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Boulder Creek, ca 3.5 air mi N of Boulder.
Creekside and sagebrush slopes. Phenology: flowering.

U.S.A., Wyoming, Sublette County: [location and coordinates withheld]
Cobblestone hillside with sparse sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 5.5 air mi E of Fontenelle Dam.
Rocky hilltop and sides with sparse sagebrush and Atriplex. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 15 air mi WSW of Farson.
Open clay hillsides and windswept hilltop. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 11.5 air mi NW from Farson ice cream store.
Rocky hillside with scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 8 air mi W of Farson.
Sagebrush grassland hillsides and draws. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 12 air mi N of Farson.
Bare clay hillsides with rocky tops. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Red Canyon, ca 18.5 air mi WNW of Big Piney.
Gravel canyon rim with sparse sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 10.5 air mi SE of Boulder.
Sandy gravel sagebrush hill. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Water Hole Draw at Big Sandy River, ca 23.5 air mi N of Farson.
Sandy sagebrush draw. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: formation just NW of Squaw Teat, ca 4 air mi S of Elkhorn Junction.
Sandstone/conglomerate cliff with open top and open sides with Cercocarpus patches. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 14.5 air mi SW of Boulder.
Rocky hill edge above clay badlands slope with sparse sagebrush. Phenology: flowering.

U.S.A., Wyoming, Crook County:
Steep northern slope; rocky loam; open yellow pine. Phenology: buds.
Annotated by B. E. Nelson in 1987.
1.
Annotated by Robert F. Martin in 1987.

U.S.A., Wyoming, Crook County: Black Hills: Keyhole Reservoir near campground SE of dam, ca 11.8 air mi NE of Moorcroft.
Pine forest with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Rocky slopes and ridgetops with scattered pines and junipers. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: N of County Road 295, ca 19.5 air mi SE of Alcova townsite.
Chalky hills; sagebrush-grassland leading into barren knolls of cushion plants. Phenology: flowering.

U.S.A., Wyoming, Weston County: Black Hills: W of Wyo Hwy 116 near junction with Arch Creek Road, ca 5 air mi NNE of Upton.
Sagebrush-grassland with occasional pines and junipers. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Powder River Basin: ca 3 air mi SE of Rochelle.
Plains, sagebrush, and small draw, gullyside; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Powder River Basin: ca 22 air mi SSE of Newcastle.
Pine covered uplift, gravelly slopes, open, buffalo grass glades; slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Tomcat Creek Oil Field, ca 19 air mi SW of Sundance.
Pinus ponderosa woodland on rolling hills of shale with wet drainages, shale badlands, Sarcobatus vermiculatus flats, and sandy sagebrush Artemisia slopes; woodland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Powder River Basin: ca 4 air mi SSE of Rochelle.
Ridge and slopes. Phenology: flowering & fruiting.
with Keith H. Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Crook County: Black Hills: Keyhole Reservoir, McKean site.
Pine ridge. Phenology: flowering.
William Latady, 70. 6/8/1984.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Bible Rock S of County Road 320, ca 9.2 air mi S of Medicine Bow townsite.
Sagebrush-grassland leading into north-facing slope of mountain mahogany and snowberry. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Basin: drainage ca 1.2 air mi N of BLM Road 3136; ca 2 air mi W of Wyo Hwy 487; ca 4 air mi W of Shirley Basin townsite.
Gravelly knoll; cushion plants dominate. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Basin: drainage ca 1.2 air mi N of BLM Road 3136; ca 2 air mi W of Wyo Hwy 487; ca 4 air mi W of Shirley Basin townsite.
Gravelly knoll; cushion plants dominate. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Bighorn Basin: Bear Bench Mark hill off Helt or BLM Road 1016, ca 24 air mi SE of Bridger.
45.0668° N, 108.5579° W; uncertainty 0.25 mi., GPS reading
Sagebrush steppe. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Montana, Carbon County: Pryor Mountains: Pryor Mountain National Wild Horse Range: on Burnt Timber or BLM Road 1018, ca 1.5 air mi of Crooked Creek, ca 33 air mi SE of Bridger.
45.0425° N, 108.357° W; uncertainty 0.5 mi., GPS reading
Flat ridgetop with some sandstone-limestone pavement and chert-sandstone-limestone chip rock. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Montana, Carbon County: Bighorn Basin: along Sage Creek Road, ca 9.5 air mi SE of Bridger.
45.2084° N, 108.796° W; uncertainty 0.5 mi., GPS reading
Rocky limestone slopes and pavement on top of hill above red beds, dominated by black sagebrush and western wheatgrass with limber and ponderosa pines on top. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Montana, Carbon County: Pryor Mountains: west end of the mountains, ca 9 air mi N or Warren; ca 16 air mi SE of Bridger.
Stony slopes of black sagebrush/bluebunch wheatgrass. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Rim Lake or BLM Road 3420, ca 7.5 air mi SW of Rawlins.
East facing shale slope with sagebrush. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Basin: County Road 2, ca 4 air mi NE of Shirley Basin townsite; ca 2.7 air mi W of Albany County.
Gravelly-sandy road cut and adjacent sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Dugway Rim S of old Casper-Medicine Bow Road, ca 10.5 air mi NE of Shirley Basin townsite.
Chalky knoll; cushion plants dominate. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 29 air mi SW of La Junta.
On rocky hills with limestone outcrops. Phenology: fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 32.5 air mi SW of La Junta.
Sandy prairie dominated by Yucca glauca and Plantago patagonica. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Otero County: Comanche National Grassland: Shale Hills, ca 17 air mi SSW of La Junta.
Rough breaks with dense limestone chip. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 16 mi S of La Junta, ca 5 mi W of Vogel Canyon on bluffs above the junction of Forest Road 350 and Rourke Road.
On an east-west ridge with limestone soil; with scattered juniper and Yucca glauca in Oryzopsis-Hilaria grassland. Phenology: fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 1 mi S of Timpas, E and N of cemetary.
Mixed species grassland and riparian with many annual mustards. Phenology: fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: Purgatoire Canyon, northeast end.
Rimrock and slope below to flats along river. Phenology: flowering.
with Bernadette Kuhn, Laura E. Lukas

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 18 air mi SSW of La Junta.
On shale hills with scattered Juniperus monosperma. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 5 air mi SSE of Timpas on County Road 17, ca 20 air mi SW of La Junta.
Shale outcrops of rocky upland prairie dominated by Oryzopsis. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Otero County: [location and coordinates withheld]
Shale hills dominated by Aristida purpurea and Stipa. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: on County Road 35, ca 7 air mi ESE of La Junta.
Shale hills dominated by Stipa neomexicana. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: along County Road 35, ca 8.5 air mi SE of La Junta.
Rocky shale hills with sparse vegetation and scattered Juniperus monosperma. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Dugway Rim S of old Casper-Medicine Bow Road, ca 10.5 air mi NE of Shirley Basin townsite.
Gravelly south-facing draw; sagebrush, snowberry, fescue, and wild buckwheat common. Phenology: flowering.

U.S.A., Colorado, Otero County: [location and coordinates withheld]
Limestone and shale outcrops with Yucca glauca. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: at Sierra Vista Scenic Overlook, ca 13.5 air mi SW of La Junta.
Ungrazed prairie with shale outcrops, dominated by Artemisia and Stipa. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: [location and coordinates withheld]
Roadside and rocky hill. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: along David Canyon Road, ca 14 air mi S of La Junta.
Shale hills, limestone outcrops with Mentzelia and scattered Juniperus. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Bighorn Basin: along Grove Creek Road, ca 2.5 air mi W of Clarks Fork Yellowstone River, ca 5 air mi SW of Belfry.
Clay slopes and ridges with sandstone outcrop, with sagebrush and saltbush. Phenology: flowering.
with Emily Elliott, Brian Elliott

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Clarks Fork Canyon along Morrison Trail, ca 24-25 air mi NNW of Cody.
Stony, gravelly canyon bottom near the river. Phenology: flowering.
with Emily Elliott, Brian Elliott

U.S.A., Montana, Carbon County: Bighorn Basin: along Robertson Draw Road, just N of Wyoming, ca 3 air mi W of Chance Bridge on Clarks Fork Yellowstone River, ca 10.5 air mi SSW of Belfry.
Sandy flats and wash with big sagebrush, clay slopes, and gravelly cobblestone ridgetops. Phenology: flowering.
with Brian Elliott, B. E. Nelson

U.S.A., Montana, Park County: Absaroka Mountains: ca 3.5 air mi NNW of National Forest, ca 2 air mi E of Livingston.
Open cobbly hills dominated by low forbs. Phenology: flowering.
with Brian Elliott

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: northern rim of Shirley Basin W of Wyo Hwy 77, ca 11.6 air mi NW of Shirley Basin townsite.
Gravelly sagebrush-grassland. Phenology: flowering.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Robertson Draw area, ca 11 air mi S of Red Lodge.
Glacial till on lower southeast slopes below Madison limestone; black and big sagebrush grasslands with Pinus flexilis on ridges and upper reaches. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: adjacent to North Bennett Creek drainage, ca 7-9 air mi NW of Clark; ca 29.5-31 air mi NW of Powell.
Sagebrush-grassland foothills on shale substrate. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: canyon of the Clarks Fork Yellowstone River.
Lower slopes along river to end of road. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: Little Rock Creek, ca 3-4 air mi E of Deep Lake.
Rocky slopes and outcrops of sandstone (redbeds) and wet areas along creek. Phenology: flowering.

U.S.A., Montana, Carbon County: Mont Hwy 421, ca 1 air mi W of U.S. Hwy 212, near Joliet.
Very weedy rolliing grassland. Phenology: flowering.

Stony, grassy slopes with scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains: Fivemile Creek, along County Road 34 (Sand Creek Road), 6 mi SSW of Laramie.
Grazed upland plains dominated by Poa sp., soil lichen, and Astragalus sp. Phenology: flowering.
with Bernadette Kuhn

U.S.A., Wyoming, Albany County: Laramie Plains: along County Road 34 (Sand Creek Road), ca 9 mi SSW of Laramie.
Heavily grazed upland plains near motorcross area. Phenology: flowering.
with Bernadette Kuhn

U.S.A., Wyoming, Albany County: Laramie Plains: northern tip of Boulder Ridge, County Road 316 (Sportsman Lake Road), ca 14 mi S of Laramie.
Upland plains and rocky outcrops with patches of sagebrush and other shrubs. Phenology: flowering.
with Bernadette Kuhn

U.S.A., Wyoming, Albany County: Laramie Plains: Hutton Lake National Wildlife Refuge: County Road 34 (Sand Creek Road), ca 10 mi SW of Laramie, .
Upland plains with slate outcrops. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains: along Wyo Hwy 130, 1 mi W of the intersection of County Road 57 and Wyo Hwy 130, ca 16 mi W of Laramie; ca 13 mi E Centennial.
Dry hillsides and grazed plains. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Sheep Mountain, along Johns Creek, W of former County Road 424, ca 23 mi W of Laramie; ca 6.5 mi SE of Centennial.
Eastern slope, sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains: Twin Buttes Lake, ca 14 mi W of Laramie; ca 15 mi E of Centennial.
On southeast slope of butte and on top. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains: between I-80 and County Road 57 (Dutton Creek Road), ca 20 mi NW of Laramie.
Very dry plains dominated by soil lichens. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: near gypsum quarry below Red Mountain, ca 3 mi E of Wyo Hwy 10, ca 28 mi SW of Laramie.
Sagebrush plains. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Buck Springs Draw and Badger Creek area, ca 1.5 mi NE of intersection of County roads 504 and 209, near BLM Road 3417, ca 5 air mi E of Saratoga.
Patchy, sandy sagebrush plains; soil lichen common. Phenology: flowering.

U.S.A., Wyoming, Albany County: Centennial Valley: along County Road 416 (Dinwiddie Road), ca 2 air mi SE of Centennial, .
Dry plains. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Wick Brothers Wildlife Management Area: above and E of Wagonhound Creek and ca 1/2 to 3/4 air mi S of I-80, ca 7 air mi SE of town of Elk Mountain.
Cobbly flat above the rimrock. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: just off Pass Creek or County Road 404, ca 4 air mi SE of Elk Mountain summit.
Cobblestone slopes. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: near the end of BLM Road 3431 above the Laramie River Canyon, ca 5 air mi S of Woods Landing; ca 29.5 air mi SW of Laramie.
Gravelly grass/forb ridgetop and slopes with black sagebrush and rabbitbrush. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains: just W of County Road 34 (Sand Creek Road) and 1 mi S of County Road 322 (Bull Mountain Road), between Sand and Spring Creeks, ca 20 air mi SW of Laramie and 3 mi S of Lone Tree Reservoirs.
Plains. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: Pryor Flats Recreational Area, 0.5 air mi S of County Road 102; ca 20.2 air mi SW of Shirley Basin townsite.
Gravelly sagebrush-grassland with scattered limber pine; Artemisia tripartita and Artemisia tridentata common. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Pass Creek and Overland Flats area, ca 2 air mi S of I-80 and Wyo Hwy 130 intersection, ca 18 air mi N of Saratoga.

U.S.A., Wyoming, Carbon County: Saratoga Valley: border of Overland and Lake Creek flats, ca 1 mi S of intersection of County roads 404 (Pass Creek Road) and 215 (Stock Drive Way), ca 8 air mi NNE of Saratoga.
Sagebrush steppe, south aspect. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Rainbow Canyon-Needle Peak area, just E of Wyo Hwy 230 and County Road 303, ca 5 air mi NE of Encampment and ca 12 air mi SE of Saratoga.
Flat sagebrush steppe. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Lake Creek Flats: Nickel Scribner Ditch area, 4 mi S of intersection of County roads 404 (Pass Creek Road) and 215 (Stock Drive Way), ca 7 air mi NE of Saratoga.
Sagebrush flats. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: flats 1 mi S of Pass Creek and Stage Station Springs, ca 3 air mi SW of County Road 400 (Rattlesnake Road) and Wyo Hwy 130 intersection and ca 5 air mi SW of I-80 exit 235 (Walcott Junction).
Sagebrush flats. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: North Platte River E of Savage Meadows, ca 5 air mi SW of I-80 exit 235 (Walcott Junction) and ca 16 air mi NNW of Saratoga.
Sagebrush hills near river. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Cedar Ridge and Cottonwood Creek, ca 3 air mi NE of Wyo hwys 130 and 230 intersection, ca 9 air mi SE of Saratoga.
Rocky hill covered in sagebrush and juniper. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Hanna Basin: Kinney Creek area, just NW of Rattlesnake Pass and Halleck Ridge, ca 9 air mi ESE of I-80 exit 238 (Peterson Ranch) and ca 8 air mi NW of Elk Mountain summit, ca 21 air mi NE of Saratoga.
Rocky barrens in sagebrush hills. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Rattlesnake Creek area, N of County Road 400 (Rattlesnake Road), ca 3 air mi SE of I-80 exit 238 (Peterson Ranch) and ca 18 air mi NNE of Saratoga.
Sagebrush hills with several gullies, sandy, abundant bare ground. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Hanna Basin: just S of I-80 and along the northeast end of Halleck Ridge, ca 12 air mi WNW of exit 255 (Elk Mountain/Hanna) and ca 1.5 air mi SW of Quealy Gap.
Gravelly, rocky sagebrush hills. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Sand Basin/ Overland Flats, along Wyo Hwy 130, ca 9 air mi N of Saratoga.
Barren (limestone?) ridges in sagebrush. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Sheep Rock area, ca 2 air mi NW of Sixmile Hill and ca 7 air mi NNW of Saratoga, along County Road 508 (Pick Bridge Road).
Barren, rocky ridge in sagebrush hills, very windy, mostly cushion plants. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Ring Mountain, ca 9 air mi SSE of Woods Landing and ca 28 air mi SW of Laramie.
Lower, sagebrush dominated slopes of the mountain. Phenology: flowering.

U.S.A., Montana, Musselshell County: Golf Course Road, ca 13.5 air mi W of Roundup, ca 1.5 air mi E of junction with Timber Butte Road.
46.5041° N, 108.8497° W; NAD 83, uncertainty 0.25 mi., GPS reading
Rocky draw running SW to NE; very dry, scattered Pinus ponderosa; limestone and shale cliffs. Phenology: flowering.
1. Eremogone hookeri (Nutt.) W. A. Weber var. hookeri .

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: Shirley Loop Road near radio towers, ca 12.5 air mi SE of Leo.
Artemisia tripartita and mixed grasses on chalky substrate. Phenology: flowering.

Rocky sagebrush-grassland leading into canyon of badlands; greasewood common. Phenology: flowering.

Sagebrush draws and barren sandy grasslands with hills of gypsum. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Dubois Recreation Area Overlook, ca 1/4 mi NE of Windriver Road on U.S. Hwy 26.
Sparsely vegetated, sandy soil with sagebrush on slopes. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: radio tower ridge S of I-80, ca 1.4 air mi S of Rawlins.
Barren ridge top and north facing sandstone draw with scattered shrubs. Phenology: flowering.

U.S.A., Colorado, Huerfano County: [location and coordinates withheld]
Foothills with pinyon-juniper woodlands. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Near Black Buttes Mill Site, 20 mi N of Shoshoni.
Dry slope. Phenology: flowering & fruiting.
George F. Freytag, 77. 6/8/1948.

U.S.A., Wyoming, Albany County: Laramie Plains: Bamforth National Wildlife Refuge: ca 7 air mi NW of Laramie.
Greasewood/grassland uplands. White flowers. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Laramie Plains: Hutton Lake National Wildlife Refuge: ca 10 air mi SW of Laramie.
Greasewood/grassland uplands. White flowers. Phenology: flowering.

U.S.A., Nebraska, Kimball County: 2.5 mi W of the Kimball Interchange on I-80.
Rocky slopes of a dry sandy wash. Phenology: flowering & fruiting.

U.S.A., Nebraska, Kimball County: 8 mi SW of Bushnell.
Chalky outcrop in grassland with Musineon, Astragalus Corolla white. Phenology: flowering & fruiting.

U.S.A., Nebraska: War Bonnet Creek.

U.S.A., Nebraska: North Sidney.

U.S.A., Nebraska, Morrill County: Chimney Rock, near Bayard.
Harry Hapeman, s.n.. 7/12/1935.

U.S.A., Montana, Park County: Livingston.
Dry ridges. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Livingston.
Moist fields. Phenology: flowering & fruiting.

U.S.A., Montana: Stage Road W of Surprise Creek.
Stoney ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: West Sage Hen Rocks and Creek, ca 16 air mi NE of Jeffrey City.
Chalky-gravelly hills surrounded by sagebrush-grassland. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Dana Ridge, ca 7 road mi E on Rattlesnake Pass or County Road 400 from Wyo Hwy 130; ca 9 air mi SE of Walcott Junction.
Sandstone ridge with sagebrush draws. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Needle Peak, ca 5.5 air mi NE of Encampment.
Open dry meadow, with Stenotus acaulis. Locally abundant. Phenology: flowering.

U.S.A., Wyoming, Albany County: Upper North Platte and Laramie River Drainages: Laramie Plains: Box Canyon E of Fetterman Road, ca 5 air mi N of Wheatland Reservoir No. 3.
Calcareous butte of cushion plants and slope of mountain mahogany and scattered limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Game and Fish East Fork Winter Range: Bear Creek, ca 10.5 air mi NE of Dubois.
Growing in gravel, sand or sandy loam on east-facing, 0-5% slope of riparian habitat. Phenology: flowering & fruiting.
with D. Jones

U.S.A., Wyoming, Uinta County: North Slope Uinta Mountains: Hickey Mountain, ca 5.5 air mi NW of Lonetree.
Gravelly semi-barren sagebrush slopes with sporadic Douglas fir; north-facing steep slope. Phenology: flowering & fruiting.
with Walter Fertig

U.S.A., Wyoming, Uinta County: North Slope Uinta Mountains: Hickey Mountain, ca 5.5 air mi NW of Lonetree.
Gravelly semi-barren sagebrush slopes with sporadic Douglas fir; north-facing steep slope. Phenology: flowering.
with Walter Fertig

Eremogone hookeri var. hookeri ()
Limestone slopes and outcrops.
Annotated by Joshua J. Irwin.
, 91709. //.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 0.8 mi NW of Meadow Springs Wash, 1.1 mi SE of Wildcat Butte, 15 mi ENE of Lyman.
zone 12, 580696E, 4587655N; NAD 83, Specimen Label
Wyoming big sagebrush grassland on gravelly clay soil; with scattered cushion plant openings with Eremogone hookeri, Eriogonum caespitosum, Stenotus acaulis, Achnatherum hymenoides. Vegetative cover 40-50%. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: Middle Firehole Canyon, ca 12 air mi SW of Rock Springs; end of Middle Firehole Road.
41.4055° N, 109.4111° W; uncertainty .5 mi., Digital Map
Sandy soils with some shale on slopes by gorge. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Ca 6 mi SE of Huntley.
Chalky outcrop, with Physaria ludoviciana and Zigadenus. Flowers white, matted form. Phenology: flowering.

U.S.A., Wyoming, Platte County: Ca 6 mi SW of Wheatland.
42° 1.9' N, 105° 6' W; unknown, , GPS reading
Grassland, with Carex duriuscula and Lepidium. Flowers white, matted form. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Ca 14 mi SE of Gillette.
Clay outcrop, with Artemisia frigida and Astragalus spatulatus. Flowers white. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 15 air mi NE of McKinnon; ca 3 road mi N of the junction of County Road 1 with BLM Road 4315 on west side of County Road 1.
41.2632° N, 109.7238° W; uncertainty .75 mi., Digital Map
Semi-barren dry desert slopes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 4 air mi SE of Green River; E of FMC picnic area on old O&G dirt road.
41.4886° N, 109.402° W; uncertainty .75 mi., Digital Map
White shale ridgetop and adjacent sandy bottoms. Phenology: flowering.

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Gentle slopes, alternating sagebrush community and juniper woodlands; gravelly smooth rocks. Phenology: flowering.

U.S.A., Wyoming, Uinta County: North Slope Uinta Mountains: ca 4 air mi S of Lonetree; just N of Utah on Hoop Lake Road.
Clay soils and steeper slopes; west aspect. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 14 air mi W of Green River; ca 2 road mi E of the junction of I-80 with Westvaco Road on the north side of I-80.
Barren sagebrush community, slopes and ridgetop on butte. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 8 air mi NW of McKinnon; on both sides of Cedar Mountain Rim Road at second switchback climbing east flank of the mountain.
Steep sagebrush slopes; aspen grove. Phenology: flowering & fruiting.
with R. H. Lathrop

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 5 air mi NW of McKinnon; ca 4.1 road mi W of the junction of Cedar Mountain Rim Road with Turtle Bluff Rim Road.
Semi-barren, windswept ridgetop. Phenology: flowering.
with R. H. Lathrop

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 3 air mi NE of Lonetree; ca 3.3 road mi E of Cedar Mountain Road from Wyo Hwy 414, west flank of the mountain.
Badlands with gentle, white, sandy slopes. Phenology: flowering.
with R. H. Lathrop

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: Firehole Canyon, ca 18 air mi SW of Rock Springs; southwest side of South Chimney Rock.
White shale ridgetop and steep semi-barren slopes. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: Kemmerer Cushion Plant Community, ca 7 air mi NE of Kemmerer; ca 0.8 road mi S of U.S. Hwy 189.
Sandy limestone ridgetop and west-facing slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 5 air mi NW of McKinnon; ca 0.5 road mi N of Turtle Bluff Rim Road.
Semi-barren, windswept ridgetop and west-facing slopes. Phenology: flowering.
with Walter Fertig

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: north end of Black Mountain and Pine Spring area, ca 26 air mi S of Green River.
Sagebrush slopes, cushion communities, conglomerate rim rock, wind swept mesa top, and spring area. Phenology: flowering & fruiting.
with Tom Cramer and Charmaine Refsdal
Accession: 689766

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: north end of Black Mountain and Pine Spring area, ca 26 air mi S of Green River.
Sagebrush slopes, cushion communities, conglomerate rim rock, wind swept mesa top, and spring area. Phenology: flowering.
Accession: 689767

Among sagebrush on soft clay soils with gravel and small rocks. Phenology: flowering & fruiting.
Annotated by C. H. Refsdal.
with C. H. Refsdal

U.S.A., Wyoming, Weston County: Ca 2.5 mi NE of Osage.
44° 0.6' N, 104° 23' W; unknown, , Specimen Label
Gravelly slope, with Artemisia, Tetraneuris. Flower white. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: canyon N of North Chimney Rock and E of the Green River, ca 11 air mi S of Green River.
Steep slopes with areas of thin talus vegetated with areas of sagebrush, desert shrubs, or juniper. Phenology: flowering & fruiting.
Annotated by C. H. Refsdal.
with C. H. Refsdal and Laura Welp

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: canyon N of North Chimney Rock and E of the Green River, ca 11 air mi S of Green River.
Fine, light shale slope. Phenology: flowering & fruiting.
Annotated by C. H. Refsdal.
with C. H. Refsdal and Laura Welp

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: west side of Flaming Gorge Reservoir between Firehole Canyon and Sage Creek Basin, ca 13 air mi S of Green River.
Sandy clay slopes with scattered rock, dominated by desert shrubs. Phenology: flowering & fruiting.
with C. H. Refsdal and Laura Welp

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: south peninsula at the confluence of Blacks Fork and Green River, ca 17 air mi S of Green River.
Sandy clay slopes covered with small cobblestones, dominated by desert shrubs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: benchland between Zieglers Wash and Dry Muddy Creek ca 9 air mi WNW of Granger; ca 24.5 air mi SE of Kemmerer.
Salt desert shrub on soft clays and clay-chert ridgetops, sagebrush bottoms and sparsely vegetated slopes, some areas of gray-green shale. Phenology: flowering & fruiting.
with C. H. Refsdal

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Sheep Rock S of County Road 508, ca 5.5 air mi NW of Saratoga.
Rocky flat top; cushion community. Phenology: flowering.
with Nathan Foster

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: benchland between Zieglers Wash and Dry Muddy Creek ca 13 air mi WNW of Granger; ca 22 air mi SE of Kemmerer.
Desert shrubs on vegetated low sand dunes, clay slopes, conglomerate ridges, and sparsely vegetated slopes. Phenology: flowering & fruiting.
with C. H. Refsdal

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Bridger Butte, ca 5.5 air mi WSW of Fort Bridger; ca 25.5 air mi E of Evanston.
Sagebrush flats on top of the butte with fine gravel covered soft soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 15 air mi SE of Opal; 10.5 mi N of I-80 on east side of U.S. Hwy 30.
Gravelly soils, semi-barren desert hills, sagebrush. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Flaming Gorge National Recreation Area: ca 6 air mi E of Manila.
South aspect, gravelly benches, quarternary, salt desert shrubs. Phenology: flowering & fruiting.
with S. Goodrich

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: ca 6.1 air mi ENE of Manila.
Scattered junipers, sagebrush, rolling hills. Phenology: flowering & fruiting.
with S. Goodrich

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Flaming Gorge National Recreation Area: ca 4 air mi E of Manila.
Salt desert shrubs, scattered junipers, steep slopes, Morrison clays and Dakota sandstone. Phenology: flowering & fruiting.
with S. Goodrich

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: ca 6 air mi NW of Dutch John; 4.3 mi W of Wyo Hwy 191 just inside Ashley National Forest.
South aspect, sandstone benches with mostly red clay soils with some white sandy soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: ca 8 air mi NW of Dutch John; 2.1 mi W of the Forest boundary.
Mountain top, shaly, Cercocarpus. Phenology: flowering & fruiting.

Rolling semi-barren desert sagebrush hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 19 air mi SW of Green River; 12.6 mi W from Wyo Hwy 530 on gravel access road.
41.3284° N, 109.8483° W; uncertainty 1 mi., Digital Map
Badlands, chert, dry clays with sand. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 10 air mi NNW of Green River; 11.7 mi N on east side of Blue Rim Road (County Road 5).
South aspect, ridgetop and adjacent slopes, sandstone shale outcrops with clay/sandy soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 19 air mi SW of Green River; 1.1 mi W on BLM Road 4315 (Burnt Fork Road).
Rolling semi-barren badlands, sandy soils with chert. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 12.2 air mi N of McKinnon; 7.3 mi W on south side of BLM Road 4315 (Burnt Fork Road). Possibly
Dry washes, sandy soils, rolling badlands, desert salt shrubs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 11 air mi SE of Lyman; 15.6 mi W on BLM Road 4315 (Burnt Fork Road).
Dry drainage bottom, clay soils with sand, Atriplex. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 8 air mi N of Lonetree; 2.5 mi S of Cedar Mountain Road on jeep trail.
Juniper woodland, steep slopes, sandy clays. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Rolling semi-barren sagebrush hills and ridgetops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: lower southeast slopes of Cedar Mountain, ca 40 air mi S of Green River; ca 11 air mi NW of Manila, Utah; ca 1 mi N of Henrys Fork on west side of County Road 1.
Chalky dry shaly slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: Walsh Ranch parcel; east end of transect ca 7.4 km NE of Guernsey Reservoir, ca 1.8 km WSW of Range Guard 4.
Slightly sloping; gravel break; silty loam; with Hymenoxys acaulis, Bromus tectorum, Parthenium alpinum, Zigadenus venenosus, Aristida purpurea, Agropyron spicatum, Calylophus lavandulifolius. Scattered; erect, perennial herb; less than 10 cm tall; corolla white. Phenology: flowering & fruiting.
with P. Block

U.S.A., Wyoming, Platte County: Camp Guernsey: Osburn Ranch parcel in Sawmill Canyon; north end of transect ca 1.3 km due E of North Platte River, ca 3.8 km NW of Impact Area center, ca 10.7 km NW of Range Control.
South-facing slope; pine juniper open woodland with areas of mixed grass prairie; silty loam with gravel to cobbles with rock outcrops; with Pinus ponderosa, Juniperus scopulorum, Bouteloua gracilis, B. curtipendula, Schizachyrium scoparium, Artemisia nova, Allium textile, Parthenium alpinum, Hesperostipa comata. Scattered; perennial herb; 10 cm tall; corolla white. Phenology: flowering & fruiting.
with P. Block

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Leavitt Creek, along the south end of Cottonwood Bench, ca 7 air mi ESE of Mountain View; ca 39.5 air mi E of Evanston.
Sand piles/mounds, highly erosive, sandy clay soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain and vicinity: ridge ca 1 air mi E of Red Mountain summit, ca 27 air mi SW of Laramie.
Stony grass slopes. Phenology: flowering.

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
West aspect, semi-barren badlands; gravelly clay soils with some sandy areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 13 air mi E of Evanston on north side of dirt road.
Scattered junipers, steep slopes with red clay soils and sandstone outcropping; some scattered limestone with sandy soils. Phenology: flowering & fruiting.
with Larry Refsdal

Sandy plateaus and clay bottoms, rolling hills with salt desert shrub. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 14 air mi ENE of Evanston; 1.6 mi N of I-80, then 1 mi E on access road.
Sandstone outcrops, red clay soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: ca 12 air mi SE of Opal; 18.3 mi E of junction U.S. Hwy 30/Wyo Hwy 240.
Semi-barren desert slopes, shale ridgetops and slopes, some vegetated sand dunes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Gravelly clay soils, some sands, gentle sagebrush slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: ca 10 air mi ENE of Opal.
Gravelly clay soils, semi-barren sagebrush slopes, north aspect and ridgetop, some sandy bottoms. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: ca 4.5 air mi SW of Opal; 4.7 mi S on Wagon Wheel Road off of U.S. Hwy 30.
Gray green clay soils, west aspect, ridgetop and semi-barren sagebrush slopes. Phenology: flowering & fruiting.
with Larry Refsdal

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: Oyster Ridge, ca 2 air mi S of Kemmerer on north side of U.S. Hwy 30 along the Hams Fork.
Steep sandstone bed with lichens, west aspect. Phenology: flowering & fruiting.
with Larry Refsdal

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Clay Basin: Teepee Mountains, ca 11.5 air mi ENE of Dutch John.
Sandstone boulders and cliff face, sandy soils, south aspect, steep slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: West slope Laramie Range: ca 1.3 mi NE of U.S. Hwy 30, ca 3.6 air mi E of downtown Laramie.
Rocky upland slope, gravelly soil, south aspect; with Elymus spicatus, Pinus flexilis, Physaria montana, Packera cana. Phenology: vegetative only.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 6.2 air mi N of McKinnon; ca 6.1 mi N on County Road 1 from Wyo Hwy 414.
Vegetated sand dunes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: lower east flank of Hickey Mountain, ca 3 air mi NNW of Lonetree.
Sagebrush flats with sandy soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: North Slope Uinta Mountains: ca 10 air mi SW of Mountain View; 4.4 mi S on County Road 279.
Open sagebrush slopes with gravelly soils. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: ca 5.5 air mi W of Manila; ca 0.2 mi west of Utah Hwy 44.
Sagebrush slopes with scattered junipers. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 12 air mi N of McKinnon; 2.4 mi N from Cedar Rim Road on two track.
Ridgetop and west-facing slopes, sandy soils with conglomerate, cushion plants. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: west flank of Cedar Mountain, ca 5 air mi NE of Lonetree; 2.6 mi E of junction of Sage Creek Mountain Road/County Road 4-1 on both sides of county road.
Open gravelly pocket in sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: east end of Sage Creek Mountain, ca 5.3 air mi N of Lonetree.
Ridgetop and east aspect, cushion plants, sandy soils with conglomerate. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: lower southwestern flanks of Cedar Mountain, ca 3.8 air mi NE of Lonetree; 0.9 mi SE on two track from junction of Sage Creek Mountain/Cedar Mountain roads.
Dry washes, gray loose sands with Bentonite. Phenology: flowering & fruiting.

U.S.A., Utah, Summit County: [location and coordinates withheld]
Scattered limber pine, mountain mahogony, clay soils, steep slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Coyote Spring in Coyote Draw, ca 16 air mi W of Saratoga; ca 23 air mi SE of Rawlins.
Rolling sagebrush grassland with stony knolls. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: west end of Fort Steele Breaks, W of the North Platte River, ca 6.5 air mi N of Sinclair; ca 10.5 air mi NE of Rawlins.
Rough breaks of sandstone/mudstone ridges with intervening draws dominated by sagebrush, hopsage, shadscale, Gardner saltbush, and spiny horsebrush. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Twentymile or County Road 606, ca 10 air mi SW of Rawlins; ca 4 air mi N of Separation Peak.
Sandy areas among rimrock. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Stinkhole Draw and ridges to the northeast, ca 16.5 air mi N of Sinclair; ca 17.5 air mi NE of Rawlins.
Flat sandy area of graminoids and sandstone outcrops. Phenology: buds.
1. Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. viscidiflorus .

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: I D Ridge between Wyo Hwy 351 and Seminoe Reservoir, ca 4 air mi S of Seminoe Dam; ca 27 air mi NE of Rawlins.
Sand hills dominated by Artemisia cana and sandy ridges populated with limber pine, ponderosa pine, and juniper. Phenology: flowering.

Eremogone hookeri var. pinetorum (1996)
Eremogone hookeri (Nutt.) W. A. Weber var. pinetorum (A. Nelson) Dorn
Slopes back of gypsum rim. Phenology: flowering.
1. Eremogone hookeri (Nutt.) W. A. Weber var. pinetorum (A. Nelson) Dorn

Eremogone hookeri var. pinetorum (2002)
Eremogone hookeri (Nutt.) W. A. Weber var. pinetorum (A. Nelson) Dorn
U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on the divide between Lake and Meadow creeks and to the W, ca 14 air mi NE of Bill; ca 46 air mi NNE of Douglas.
On and around chip stone knolls. Phenology: flowering.
1. Eremogone hookeri (Nutt.) W. A. Weber var. pinetorum (A. Nelson) Dorn

Eremogone hookeri var. pinetorum (2002)
Eremogone hookeri (Nutt.) W. A. Weber var. pinetorum (A. Nelson) Dorn
U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: tributary S of Keyton Creek on Rochelle Hills or Forest Road 933, ca 26 air mi SE of Wright, ca 23.5 air mi NNE of Bill.
Rocky soil in ravine with patches of ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills N of Thunder Basin Work Center off Wyo Hwy 450, ca 26 air mi ESE of Wright; ca 45 air mi SSE of Gillette.
Scoria hills with ponderosa pine and Rocky Mountain juniper. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: grassland S of Middle Creek on County Road 45, ca 18 air mi E of Bill; ca 46 air mi SE of Wright.
Clay/silt soil on slope above creek. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills W of Skull Creek, on County Road 14, ca 5.5 air mi N of Osage; ca 12 air mi ESE of Upton.
Hilly sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: slopes surrounding Iron benchmark, on Butcher or County Road 25, ca 8 air mi SE of Upton; ca 5.5 air mi WNW of Osage.
Sagebrush grassland with scattered greasewood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: sagebrush grassland immediately SE of Little Powder River, off Wyo Hwy 59, ca 18 air mi N of Gillette; ca 30 air mi NW of Moorcroft.
Sagebrush grassland on rocky soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Piney Canyon on Piney Canyon or County Road 69, ca 22 air mi ESE of Wright; ca 48 air mi WSW of Newcastle.
Mosaic of sagebrush grassland, grassland, and rocky clay outcrops. Phenology: flowering.

U.S.A., Wyoming, Crook County: Thunder Basin National Grassland and Vicinity: hills E of West Fork Wind Creek, off U.S. Hwy 16, ca 10 air mi SE of Moorcroft; ca 10 air mi NW of Upton.
Grassland with scattered sagebrush and greasewood. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills W of Little Powder River S of Coal Creek on dirt road off of Wyo Hwy 59, ca 23 air mi NNE of Gillette; ca 31 air mi NW of Moorcroft.
Scoria hills with ponderosa pine and Rocky Mountain juniper. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: slope forming western edge of Robertson Flat; on Jenne Trail or County Road 34, ca 14 air mi NW of Bill; ca 26 air mi S of Wright.
Roadside in sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills W of Dry Creek, on Forest Road 913, ca 8 air mi NE of Upton; ca 25 air mi NW of Newcastle.
Rocky clay patch in sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: bentonite pit W of East Iron Creek, on Forest Road 914, ca 8 air mi ESE of Upton; ca 20 air mi NW of Newcastle.
Pinus ponderosa forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: low hills N of Little Thunder Creek and Hansen Draw, on gravel road near gas processing plant, ca 21 air mi E of Wright; ca 44 air mi W of Newcastle.
Clay badlands. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: washes W of and draining to Bobcat Creek, on Forest Road 958, ca 10 air mi E of Bill; ca 37 air mi NNE of Douglas.
Sagebrush grassland with scattered greasewood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills E of and draining to East Iron Creek, on four wheel drive road, ca 8 air mi ENE of Upton; ca 23 air mi NW of Newcastle.
Sagebrush grassland on hilltop with scattered ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along and just W of Whistle Creek or BLM Road 1213, ca 2.5 mi N of U.S. Hwy 14.
Sagebrush-greasewood steppe with Artemisia pedatifida, Atriplex gardneri, Carex filifolia, and Xylorhiza glabriuscula.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dry Creek 0-1/3 mi E of Wyo Hwy 32, 0.5 mi N of U.S. Hwy 14.
Sagebrush-saltbush steppe on bluff above creek with Artemisia tridentata var. wyomingensis, Atriplex gardneri, and Bouteloua gracilis.

U.S.A., Montana, Carbon County: Ridge 4 mi NE of Fromberg; 1.5 mi E of U.S. Hwy 310.
Disturbed sagebrush-grassland with Agropyron spicatum, Bromus tectorum, and Alyssum alyssoides. Phenology: flowering & fruiting.

U.S.A., Montana, Stillwater County: Ridge just N of the Huntley Creek Road, 4 mi SW of Columbus.
Grassland and open ponderosa pine forest on south-facing slope with Koeleria macrantha, Cerastium arvense, Pediomelum esculentum, and Zigadenus venenosus var. gramineus. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Ridge ca 1 mi S of the Yellowstone River and 2 mi WSW of Reed Point.
Grassland and open ponderosa pine forest with Purshia tridentata, Geum triflorum, Arnica sororia, and Astragalus miser var. decumbens. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: low foothills along U.S. Hwy 287, ca 16.5 air mi SE of Lander; ca 1 air mi W of Twin Creek.
Northwest-facing slope with sandstone outcrops and dry, shallow, sand soil; open juniper/pine overstory, scattered low Artemisia and grasses in understory. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: along Twin Creek, ca 6 air mi NW of Schoettlin Mountain; ca 21 air mi SE of Lander.
Steep west-facing slope east of creek with rocky clay soil and boulders; low Artemisia shrubs and grasses dominant; diverse forbs. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: ca 20 air mi SSE of Lander; ca 9 air mi N of Schoettlin Mountain.
Partly vegetated south facing slope with rocky outcrops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: above Red Bluff Canyon, ca 6 air mi N of Schoettlin Mountain; ca 5.5 air mi SE of Weiser Pass.
Dry east facing slope with sagebrush and grasses; rocky sandy soil. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: Box Spring, ca 20 air mi SE of Lander; ca 17 air mi W of Sweetwater Station.
Steep, partially vegetated east and west facing slopes of canyon with grasses, sagebrush, and scattered juniper; rocky sandstone soil with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: foothills ca 18 air mi SE of Lander; ca 24 air mi W of Sweetwater Station.
Open ridgetop with grasses, sagebrush, and scattered pines; rocky soil with scattered outcrops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: Stambaugh Creek, ca 19 air mi S of Lander; ca 19 air mi W of Sweetwater Station.
Steep west facing slope with grasses, sagebrush, and scattered pine; rocky gravel soil with outcrops. Phenology: flowering & fruiting.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 19 air mi N of Crawford and 1.5 mi W of NE Hwy 71 and NE Hwy 2.
In silt soils and rock beds. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 13.5 air mi NNW of Crawford and ca 1 air mi NW of Eagles Eye Rock.
On pine ridge of rock and sand; pine woodland. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 13 air mi NW of Crawford at Roundtop Mountain.
Mountain of pine in rock and sand soils pine woodland. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 18-18.5 air mi NW of Crawford and 0.5 mi N of Orella Road, Whitehead Creek.
West side drainage of creek. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: between Shorty Draw and French Creek, ca 9 air mi E of Fairburn and 14.5 air mi SE of Hermosa.
Agate beds and rock slopes with grassed mesa at top of ridge. Phenology: flowering.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 12-12.5 air mi SE of Ardmore, South Dakota.
In rock bed with silt and clay soils. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 3.5 air mi SW of Edgemont, Cottonwood Creek.
On rock ledge of mesa leading into side drainage of creek, soils are rock, gravel and sand. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 5.5 air mi NW of Toadstool Geologic Park and 1/4 mi due N of Orella Road.
Typic badlands habitat; soils are deep heavy white clay. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 7 air mi NE of Toadstool Geologic Park and ca 2.5 air mi due E of Toadstool Road.
Typic badlands habitat; soils are deep heavy white clay. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 32 air mi NNW of Crawford and ca 1 air mi due W of Neb Hwy 71.
Typic badlands habitat, area channeled by deep cut draws; soils are deep heavy clay. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 24 air mi NW of Crawford on hill immediately adjacent to and E of Milo Road.
Pinus ponderosa covered ridge of escarpment; soils are sand. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 16 air mi NW of Crawford and ca 2 air mi due N of Cottonwood Road.
Pinus ponderosa covered ridge of escarpment; soils are sand. Phenology: flowering.

Eremogone hookeri var. pinetorum ()
U.S.A., Wyoming, Carbon County: South-central Wyoming: northeast slope of North Table Mountain, ca 24.5 air mi NNE of Rock Springs.
Moist draw. Phenology: flowering.
1. Eremogone hookeri (Nutt.) W. A. Weber var. pinetorum (A. Nelson) Dorn
Annotated by Beth Ward.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Red Hole or BLM Road 1426, ca 8.2 air mi ESE of Lucerne and ca 10.1 air mi ENE of Thermopolis.
Sagebrush on shale. Phenology: buds.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along BLM Road 1408 south, ca 14.5 air mi ESE of Lucerne and ca 15.5 air mi ENE of Thermopolis.
Sagebrush on sandy soil with cobbles. Phenology: buds.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 65, ca 1.1 air mi ESE of Ten Sleep.
Juniper and sagebrush with yucca adjacent to landfill. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Blue Bank or BLM Road 1411, ca 9.7 air mi WSW of Ten Sleep.
Sagebrush on sandy soil. Phenology: buds.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Blue Bank or BLM Road 1411, ca 8.8 air mi WSW of Ten Sleep.

U.S.A., Wyoming, Washakie County: Bighorn Basin: E of Cottonwood Creek and Wildhorse Hill, ca 7.1 air mi ENE of Ten Sleep.
Sagebrush and juniper on sandy slope. Phenology: buds.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 83, ca 9.2 air mi NW of Ten Sleep and 9.2 air mi SSE of Hyattville.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Black Mountain Road on Lake Creek Divide, ca 22 mi ENE of Thermopolis.
Sagebrush and yucca on shale and sandy soil. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: S of Warm Springs Creek, ca 3.8 air mi SE of Thermopolis.
Sagebrush on sandstone. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: W of Nowood River and Wyo Highway 434, ca 4.5 air mi SE of Tensleep.
Juniper and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Wetlands and Adjacent Areas: Belle Fourche River, ca 15 air mi NNE of Wright.
Dry Artemisia scrub hillside. Phenology: flowering.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Keyhole Reservoir, ca 11 air mi NE of Moorcroft.
Dry sandy uplands with occasional rock outcroppings. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Southern end Wind River Mountains: W of Lander.
Sandy soil by Poplars. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Guernsey.
Gravelly summits. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Manville.
Badland summits. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Laramie Mountains: La Prele and Rabbit creeks, ca 24.5 air mi SW of Douglas.
Common in rocky areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: North slope of Casper Mountain, 5 mi S of Casper.
Granite cliff. Phenology: vegetative only.
Frederick J. Hermann, 4666. 7/8/1933.

U.S.A., Wyoming, Hot Springs County: North flank of the Owl Creek Range: SE of Thermopolis and E of the Wind River Canyon.
Buffalo Creek big sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Newcastle.
Prairie. Phenology: fruiting.
with Leroy Peiler

U.S.A., Wyoming, Fremont County: Shoshone National Forest.
Gravelly loam soil. Phenology: fruiting.

U.S.A., South Dakota, Fall River County: S of Hot Springs.
T7S R5E S33
Common on eroded sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: ca 33 air mi NE of Rock River.
Granite outcropping. Phenology: flowering.

Eremogone hookeri var. pinetorum ()
U.S.A., Wyoming, Carbon County: South-central Wyoming: northeast slope of North Table Mountain, ca 24.5 air mi NNE of Rock Springs.
Moist draw. Phenology: flowering.
Beth Ward, 1245b. //.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 31 mi NNW of Gillette on U.S. Hwy 14-16, then 11.4 mi NNE on Recluse-Olmstead Creek Road, 2.5 mi E of road, ca 8 1/4 mi NE of Recluse.
Common in clay of sagebrush-grassland with Koeleria, Astragalus, and Erigeron. Phenology: flowering & fruiting.
with Linda Nelson

U.S.A., Wyoming, Fremont County: Wind River Basin: Red Canyon Rim, ca 14 air mi SSE of Lander.
Patches of soil in nugget sandstone outcrop. Phenology: flowering.

Streambank, shaded ravine, gravel slope, highway right-of-way; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11 air mi NW of Weston.
Rocky slope, clinker outcrops, plains, ravine, wet soil in draw, below holding dam; plains. Phenology: flowering & fruiting.

Rolling plains, sandy roadcut; plains. Phenology: fruiting.

Sagebrush plains, draws, sandstone butte dominated by cercocarpus, and rocky, gravelly slopes; slopes. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 2 air mi S of Hyattville.
Shaley slopes, flats along dry creekbed; slopes.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 3 air mi W of Kaycee.
Shale slopes with sandstone outcrops and drainages. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: East end of Black Mountain, ca 25 air mi E of Thermopolis.
Sandstone outcrops and sandy slopes.

U.S.A., Wyoming, Campbell County: Powder River Basin: Chicken Creek Divide, 2.5 mi N of Spotted Horse.
Ridge, slopes, badly eroded valleys, and plains; sandy slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: 18 air mi SSE of Gillette.
Rocky slopes and plains below; rocky slope. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: W of 55 Ranch or County Road 23 and Dave Johnston Coal Mine, ca 14.3 air mi N of Glenrock or 13.6 air mi N of the North Platte River.
Rough breaks of coarse-grained sandstone, coal beds, and clay badlands with ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1/4-0.5 mi WNW of Big Sulfer Spring, ca 20 air mi NE of Powder River; ca 40 air mi NW of Casper.
Along shaly, saline stream channel in the bottom of a narrow canyon. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cow Creek and the north end of Cow Creek Buttes, ca 15 air mi ENE of Bill; ca 43 air mi NE of Douglas.
Rocky top of a scroia butte. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Lake Creek and the buttes to the SE ca 6 air mi SW of Dull Center; ca 45.5 air mi NNE of Douglas.
Steep, chip rock covered upper slopes and top of scoria butte. Phenology: flowering.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Pueblo Reservoir State Park: ca 3.5 road mi W of the west entrance on Colo Hwy 96.
Small grade; prairie and pinyon-juniper. Phenology: flowering.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Sagebrush plains, shallow drainageways, gravel roadside and wet ditch; plains. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Newcastle.

U.S.A., Wyoming, Weston County: Ca 22 mi SSE of Newcastle; 5 mi W of Dewey, South Dakota.
Near artesian well and stock pond. *label. Phenology: vegetative only.
Ronald G. Schreibeis, D-9. 9/18/1976.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 19 air mi SW of La Junta.
Prairie with rocky upland and low spring. Phenology: flowering & fruiting.
with Joe Rankin.

U.S.A., Colorado, Otero County: Comanche National Grassland: Vogal Canyon, from trail head to south end at fence line.
Pinyon-juniper canyonland, sandstone; with willow and cottonwood thickets near fence. Phenology: flowering & fruiting.
with Bernadette Kuhn, Laura E. Lukas

U.S.A., Colorado, Otero County: Comanche National Grassland: Shale Hills, ca 9 air mi SE of Timpas.
Shale bluffs, top to bottom. Phenology: flowering & fruiting.
with Bernadette Kuhn, Laura E. Lukas

U.S.A., Wyoming, Park County: Beartooth Mountains: ca 1/4-3/4 air mi N of Clarks Fork Yellowstone River, ca 26.5 air mi NNW of Cody.
Sagebrush on redbeds and soil derived from them. Phenology: flowering.
with Emily Elliott, Brian Elliott

U.S.A., Wyoming, Park County: Beartooth Mountains: ca 1/4-3/4 air mi N of Clarks Fork Yellowstone River, ca 26.5 air mi NNW of Cody.
Dry sagebrush on redbeds and soil derived from them. Phenology: flowering.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Red Creek Springs Road West, ca 11 air mi SW of Pueblo (city center).
Grasslands with juniper. Phenology: flowering.
Annotated by Brian Elliott.
with Brian Elliott

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 78, ca 5.5 air mi SW of Pueblo (city center).
Roadcut with calcareous substrate. Phenology: flowering.

U.S.A., Wyoming, Albany County: Ca 3.5 mi SSE of Esterbrook.
42° 22' N, 105° 20.5' W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
Open ponderosa pine, with Potentilla and Artemisia. Flowers white. Phenology: flowering & fruiting.

U.S.A., Colorado, Pueblo County: East-central Colorado: Mosquito Range to Plains: ca 12 air mi NW of center of Pueblo at Turkey Creek on U.S. Hwy 50.
Shale rimrock with pinyon-juniper, stream bottom, and grasslands. Phenology: flowering.
with Timothy W. Chumley

U.S.A., Colorado, Pueblo County: East-central Colorado: Mosquito Range to Plains: ca 13 air mi WNW of center of Pueblo at Swallows along the Arkansas River.
Breaks along river. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: off County Road 9, ca 5.5 air mi N of Canon City; ca 0.2 road mi S of Garden Park Interpretive Site.
Sandy-gravelly drainage with rocky pinyon-juniper uplands; mostly on Dakota sandstone with underlying Morrison formation occasionally outcropping. Phenology: flowering.
Timothy W. Chumley, 541. 6/1/1995.

U.S.A., Colorado, Pueblo County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Fort Carson: ca 2 air mi NW of Stone City; ca 8 air mi NE of Penrose; ca 21 air mi NW of Pueblo.
On sandstone and shale slopes of a broad, open drainage. Phenology: flowering.
Timothy W. Chumley, 676. 6/6/1995.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Gribbles Park: in hills and flat grassland at W end of park, at Badger Creek off County Road 2, ca 14 air mi NE of Salida.
Along a dry, rocky drainage in Artemisia frigida grassland. Phenology: flowering.