Hymenopappus filifolius var. polycephalus (1996)
ASTERACEAE
Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B. L. Turner
U.S.A., Wyoming, Park County: Northern Absaroka Area: hogbacks and valleys W of Hogan Reservoir, ca 9.5-10.5 air mi SW of Clark; ca 21.5 air mi NW of Cody.
Sandstone hogbacks and slopes. Phenology: flowering.
Annotations:
1. Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B. L. Turner
Annotated by David Rosenthal.
Accession: USFS 851445, Barcode: USFS0035368

Hymenopappus filifolius var. polycephalus (1996)
ASTERACEAE
Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B. L. Turner
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.
Annotations:
1. Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B. L. Turner
Annotated by David Rosenthal.
Accession: USFS 851444, Barcode: USFS0035367

Hymenopappus filifolius var. polycephalus (1996)
ASTERACEAE
Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B. L. Turner
U.S.A., Wyoming, Park County: Northern Absaroka Area: southeast end of Rattlesnake Mountain.
Limestone outcrops and rocky slopes. Phenology: flowering.
Annotations:
1. Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B. L. Turner
Annotated by David Rosenthal.
Accession: USFS 851443, Barcode: USFS0035366

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: 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.
Stream bottom and adjacent slopes. 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 & fruiting.

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, Weston County: Thunder Basin National Grassland and Vicinity: N of Keyton Creek off Keyton Creek or Forest Road 937, ca 47 air mi WSW of Newcastle; ca 23 air mi NNE of Bill.
Clay areas above the gullies. Phenology: flowering.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along Rochelle Hills or Forest Road 933 above Sauerkraut Draw, ca 52.5 air mi NNE of Douglas; ca 20 air mi NNEof Bill.
Stony areas. Phenology: flowering.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

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 & fruiting.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

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 & fruiting.

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.

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.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Sixmile Basin off Forest Road 918, ca 8.5 air mi SSE of Osage; ca 9 air mi W of Newcastle.
Sagebrush-grassland slope. 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.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along West Fork Duck Creek, ca 7.5 air mi NE of Soda Well, ca 28 air mi NE of Gillette.
Grassland and sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge between Rough Draw and Sage Creek, SE of Popham Bench Mark, ca 22 air mi SW of Upton; ca 38 air mi W of Newcastle.
Sandstone and mudstone banks and slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along Little Thunder Creek ca 1 mi below Little Thunder Reservoir, ca 8 air mi SE of Wright; ca 43 air mi S of Gillette.
Sandy slopes with sandstone outcrops. Phenology: fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: tributary of Mule Creek, 6.5 mi SE of Mule Creek Junction on U.S. Hwy 18, ca 36 air mi S of Newcastle; ca 42 air mi NNE of Lusk.
Gently sloping grassland, soils somewhat clayey. Phenology: flowering & fruiting.
Peter J. Ebertowski, 1013. 7/3/2002.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: ridge W of East and West Rabbit mountains on Wyo Hwy 270, ca 21.5 air mi NNW of Lusk; ca 46 air mi ENE of Douglas.
Ponderosa pine woodland with limestone outcrops. Phenology: fruiting.
Peter J. Ebertowski, 1039. 7/3/2002.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: above and N of Lion Creek on Lynch or County Road 7A, ca 31 air mi ESE of Wright; ca 39 air mi WSW of Newcastle.
Sandy bowl bordered by yucca. Phenology: fruiting.
Peter J. Ebertowski, 1127. 7/5/2002.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: broad gully SE of Cheyenne River on Clareton or County Road 7A, ca 37 air mi SE of Wright; ca 44 air mi SW of Newcastle.
Broad grassy gully. Phenology: fruiting.

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 & fruiting.

U.S.A., Wyoming, Crook County: Thunder Basin National Grassland and Vicinity: Cracker Creek on County Road 68, ca 25 air mi NNE of Weston; ca 40 air mi NNE of Gillette.
Slope with little bluestem. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge W of Alkali Creek on Roxson or County Road 73, ca 26 air mi SSW of Newcastle; ca 41 air mi SSE of Upton.
Mosaic of grassland and yucca. Phenology: fruiting.

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 & fruiting.

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 & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Cheyenne River Draw on County Road 31, ca 27 air mi NNE of Glenrock; ca 36 air mi NNW of Douglas.
Sagebrush/grassland. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Spring Creek on County Road 91, ca 28 air mi NE of Gillette; ca 23 air mi NNW of Moorcroft.
Roadside in sagebrush/grassland. Phenology: flowering & fruiting.

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, Park County: Southwestern Absarokas: junction of Cabin Creek, South Fork Shoshone River and vicinity, ca 45 air mi SW of Cody.
Artemisia-Elymus foothills.
Accession: (unaccessioned)

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 & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Stinking Water Creek on County Road 31, ca 34 air mi SSW of Wright; ca 42 air mi NNW of Douglas.
Koeleria, Stipa, Bouteloua grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Cottonwood Creek E of County Road 7A, ca 32 air mi ESE of Wright; ca 41 air mi WSW of Newcastle.
Grassy gully leading to creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along Lodgepole Creek immediately below its confluence with Hay Creek, on Wyo Hwy 450, ca 24 air mi WSW of Newcastle; ca 27 air mi S of Upton.
Sandy road cut. Phenology: flowering & fruiting.

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.
Broken sandstone pavement. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Cabin Canyon on dirt road ca 0.7 air mi NW of Bishop Road, ca 20 air mi SE of Gillette; ca 17 air mi SW of Moorcroft.
Sand-silt slope with Schizachyrium, Calamovilfa and Muhlenbergia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: scoria-topped hills N of Dugout Creek on Forest Road 942, ca 12 air mi N of Bill; ca 28 air mi SE of Wright.
Scoria covered hills with patches of exposed clayey soils. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along Piney Creek off of Piney Canyon or County Road 17, ca 25 air mi SE of Wright; ca 27 air mi NNE of Bill.
Rocky slope. Phenology: fruiting.

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 & fruiting.

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: W of South Beaver Creek off Mush Creek or County Road 58, ca 19.5 air mi WSW of Newcastle; ca 20.5 air mi S of Upton.
Sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: above and S of reservoir in gully leading to Robbers Roost Creek, on Cheyenne River or County Road 54, ca 24 air mi SSW of Newcastle; ca 44 air mi SSE of Upton.
Grassland with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on a four wheel drive road off Forest Road 944 above and E of Dugout Creek, ca 10 air mi NNW of Bill; ca 43 air mi N of Douglas.
Sandstone ridge with sandy pockets; scattered sagebrush, rabbitbrush, and skunkbush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: Hungry Hollow on Cheyenne River or County Road 6, ca 34 air mi SSW of Newcastle; ca 52 air mi SSE of Upton.
Sagebrush with shaley outcrop. 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, 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 & fruiting.

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 & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge along Lodgepole Creek on Cheyenne River or County Road 54, ca 24 air mi SW of Newcastle; ca 52 air mi ESE of Wright.
Depressions of fine sand and sandstone in grassland. Phenology: flowering.

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.

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.

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 & fruiting.

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.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge and ravines SE of and draining to Horse Creek, on two-track off Cheyenne River or County Road 54, ca 33 air mi SE of Wright; ca 37 air mi SW of Newcastle.
Grassland, Stipa comata and Carex filifolia abundant. 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 & 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 & fruiting.

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.
Slopes in sagebrush grassland, clay soil. Phenology: flowering & fruiting.

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, Niobrara County: Thunder Basin National Grassland and Vicinity: low hills SE of Cheyenne River, on U.S. Hwy 18, ca 1 air mi SE of Mule Creek Junction; ca 32 air mi S of Newcastle.
Grassland with small patches of yucca and prairie sandreed. 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.
Patches of yucca and little bluestem in 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.
Sandy blowout in sagebrush grassland. Phenology: flowering & fruiting.

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.
Sandy area below outcrop in grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Mush Creek Oil Field W of Coyote Draw, on two-track road off of Wyo Hwy 450, ca 14 air mi WSW of Newcastle; ca 23 air mi SSE of Upton.
Grassland, Carex filifolia and Stipa comata abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills N of Cheyenne River on County Road 55, ca 39 air mi ESE of Wright; ca 34 air mi SW of Newcastle.
Sagebrush grassland, Bouteloua gracilis abundant. 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.
Sagebrush grassland, Bouteloua gracilis abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: sagebrush grassland ca 1.3 mi NW of Soda Well, on Forest Road 1032, ca 31 air mi NNE of Gillette; ca 35 air mi NNW of Moorcroft.
Steep slope below yucca-lined ridge in badlands. Phenology: flowering & fruiting.

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.
Patches of fractured rock in sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Cow Creek Buttes along and including Owl Creek, on four wheel drive road off Forest Road 958, ca 15 air mi E of Bill; ca 39 air mi NNE of Douglas.
Rocky badlands with ponderosa pine and Rocky Mountain juniper in shallow ravines. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Wildcat Creek and hills to SW, on County Road 54, ca 27 air mi SW of Newcastle, ca 36 air mi S of Upton.
Rocky knoll in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: Sage Creek on Old Highway 85 or County Road 9, ca 4.5 air mi E of Mule Creek Junction; ca 32 air mi S of Newcastle.
Grassy ravine with silver sagebrush. Phenology: flowering & fruiting.

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.
Sandy bowl. Phenology: fruiting.

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

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, Weston County: Thunder Basin National Grassland and Vicinity: ridge W of North Fork Lone Tree Creek, on two track road off Wyo Hwy 450, ca 20 air mi WSW of Newcastle; ca 24 air mi S of Upton.
Needle-and-thread grass grassland with patches of yucca and prairie sandreed. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: tributary W of South Beaver Creek, on Upton-Fairview or County Road 59, ca 20 air mi W of Newcastle; ca 19 air mi S of Upton.
Grassland, Stipa comata and Carex filifolia abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Rochelle Hills N of Wildcat Creek, on two-track road off Rochelle Hills or Forest Road 933, ca 19 air mi SE of Wright; ca 56 air mi SSE of Gillette.
Base of large boulder on slope of Pinus ponderosa and Elymus spicatus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: grassland ca 1.8 mi N of Greasewood Creek, on Greasewood or County Road 10, ca 40 air mi N of Lusk; ca 24 air mi NE of Lance Creek.
Patch of bare sandy soil and broken rock in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: Marcus Draw, on Redbird or County Road 11, ca 19 air mi N of Lance Creek, ca 42 air mi SSW of Newcastle.
43.2988° N, 104.579° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Sandy area with rock outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Big RW Creek, ca 1 mi N of its confluence with Black Thunder Creek, on Keeline or Forest Road 930, ca 18 air mi E of Wright; ca 40 air mi SSE of Gillette.
Sagebrush grassland, Bouteloua gracilis abundant. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: draw running E off Artesian Draw, on Wyo Hwy 387, ca 26 air mi SW of Wright; ca 21 air mi NE of Midwest.
Ravine with steep sandy walls. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Lone Tree Creek, on Grieves or County Road 5, ca 20 air mi WSW of Newcastle; ca 27 air mi S of Upton.
Rock outcrop in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: upper (northern) part of Fields Draw, on Wyo Hwy 450, ca 32 air mi WSW of Newcastle; ca 33 air mi E of Wright.
Steep slope of ravine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Buffalo Creek, on Watt Road, ca 8 air mi SSE of Moorcroft ca 14 air mi ENE of Upton.
Knoll with yucca and large rocks in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Browner Draw, on two-track off Steinle or County Road 40, ca 34 air mi SSE of Wright; ca 42 air mi NNE of Douglas.
Knoll with little bluestem and prairie sandreed. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dorsey Creek, ca 9 mi SSE of Burlington.
Elev. 4525 ft.
T50N R96W S11
Saltbush-greasewood community with Allium textile, Xylorhiza glabriuscula, Musineon divaricatum, and Cymopterus acaulis. Phenology: flowering & fruiting.
Accession: RM 913272, Barcode: RM0066311

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Fenton Pass Road (BLM Road 1222), ca 2 mi S of the Greybull River, ca 7 mi SW of Burlington.
Elev. 4920 ft.
T51N R97W S19
Sagebrush-saltbush-grassland with Artemisia pedatifida, Xylorhiza glabriuscula, Musineon divaricatum, Atriplex gardneri, and Bouteloua gracilis. Phenology: flowering & fruiting.
Accession: RM 912359, Barcode: RM0066700

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 & fruiting.
Accession: RM 724757, Barcode: RM0046906

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: N side of Sheep Mountain, ca 1/4-1/2 mi S of County Road FU6.
Sagebrush-grassland community on limestone substrates. Phenology: fruiting.

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]
Overgrazed sagebrush-grassland with some scattered Douglas fir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Cliffs and ledges of Willwood formation, mostly sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/4 mi S of Willwood Road, ca 2 mi E of U.S. Hwy Alt 14; ca 12 mi SE of Powell.
Elev. 4800 ft.
Grassland with some Artemisia tridentata and with Bouteloua gracilis, Carex filifolia, and Stipa comata. Phenology: flowering.

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: buds.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/2-3/4 mi SW of Wyo Hwy 294, ca 12 mi NW of Powell.
Badland bluffs in sagebrush-saltbrush-grassland. Phenology: fruiting.

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.

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.
Accession: RM 618948

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: fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: south side of YU Bench, ca 0.5 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 Oryzopsis hymenoides. Phenology: 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.

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 779903

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: fruiting.

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Sagebrush-grassland with scattered limber pine and juniper; on north/south trending ridge with sandstone outcroppings. Phenology: flowering.
Accession: RM 780306

U.S.A., Montana, Madison County: [location and coordinates withheld]
Dry, rocky, south facing slope with Cercocarpus ledifolius var. ledifolius, Gutierrezia sarothrae, Agropyron spicatum, and Phacelia hastata. 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: along south side of Sand Draw Road, ca 20 mi NW of Thermopolis.
Shrub steppe with Astragalus grayi, Strepanthella longirostris, Gaura coccinea, and Carex filifolia. Phenology: flowering & fruiting.

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: buds.

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.
Accession: (unaccessioned)

U.S.A., Montana, Carbon County: Ridge just E of U.S. Hwy 310 and W of Hollenbeck Draw, S of the Clarks Fork Yellowstone River, 5 mi S of Belfry.
Sagebrush-saltbush-grassland on sandstone outcroppings with Cymopterus terebinthinus, Artemisia nova, and Atriplex confertifolia. Phenology: flowering & fruiting.

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., 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 & fruiting.

U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: San Juan National Forest: Colo Hwy 151, 6 air mi NW of Forest Road 613.
Sandy at bottom then shale and sandstone outcrops with ponderosa pine forest and scattered Gambel oak and Fendlera understory above; sandy areas and outcrop. Phenology: flowering & fruiting.
Annotated by Jeanette Flaig.
with Jeanette Flaig

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Limekiln Peak, Old Spanish Trail, Limekiln, SW of Sevenmile Plaza, 7.5 air mi SE of Del Norte.
Rock outcrops in pinyon/juniper woodland with scattered Douglas fir on west-facing slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: Rio Grande National Forest: 3-3.5 air mi S of Fox Creek, mountain immediately to E of Bighorn Creek and Forest Road 28.
Grassy slope with mixed conifers above. Phenology: flowering & fruiting.
Annotated by Jeanette Flaig.

U.S.A., Colorado, Grand County: Arapaho National Forest: Middle Park: just N of U.S. Hwy 40, ca 3 mi W of Parshall; ca 9 mi E of Kremmling.
Roadside and sagebrush steppe. Phenology: flowering & fruiting.
with Michael Foley

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 & fruiting.
Annotated by Laura Welp.
Accession: (unaccessioned)

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 & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: off County Road 304 to Midland Bike Trail through Sandy Draw, ca 4 air mi WSW of Buena Vista.
Pinyon-juniper woodland on sandstone derived soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Eagle County: Sierra Madre/Park Ranges: Park Range: in the vicinity of State Bridge.
T2S R83W S13; also S24
Pinyon-juniper.
with Sunny and Joel Kastning

U.S.A., Colorado, Grand County: Sierra Madre/Park Ranges: Park Range: ca 12 air mi SW of Kremmling in the vicinity of Radium.
T1S R82W S27; also S28
Rolling hills of pinyon-juniper and sagebrush.

U.S.A., Colorado, Eagle County: Sierra Madre/Park Ranges: Park Range: in the vicinity of McCoy.
T2S R83W S5
Rolling hills of pinyon-juniper.

U.S.A., Colorado, Grand County: Sierra Madre\Park Range: Park Range: above North Fork Pass Creek on Red Dirt Road, ca 9 air mi NW of Kremmling.
Meadow on sagebrush slope.
with Michelle Nelson

U.S.A., Colorado, Eagle County: Sierra Madre\Park Range: Park Range: in the vicinity of State Bridge.
Pinyon-juniper.
with Sunny & Joel Kastning

U.S.A., Colorado, Grand County: Sierra Madre\Park Range: Park Range: ca 12 air mi SW of Kremmling in the vicinity of Radium.
Rolling hills of pinyon-juniper and sagebrush. Phenology: flowering & fruiting.
Accession: 570819

U.S.A., Colorado, Grand County: Sierra Madre\Park Range: Park Range: ca 12 air mi SW of Kremmling in the vicinity of Radium.
Rolling hills of pinyon-juniper and sagebrush.

U.S.A., Colorado, Eagle County: Sierra Madre\Park Range: Park Range: in the vicinity of McCoy.
Rolling hills of pinyon-juniper.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: breaks ca 12.5 air mi ESE of Oelrichs.
Slopes of the breaks. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: west end of Wolf Butte, ca 19.5 air mi N of Crawford.
Silty slopes with some gypsum. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

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.
Chalky bluffs and slopes. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: between Meng Drive and Wright Bench Mark, ca 14 air mi NW of Crawford.
Sandy soil on ridge in ponderosa pine forest. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 3 1/4 air mi W and 1 air mi N of the Cheyenne River, ca 5.5 air mi WSW of Red Shirt: ca 19.5 air mi SSE of Hermosa.
Sandy banks of large drainage with scattered sand sagebrush. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: along County Road 18, N of French Creek and ca 1 1/4 air mi W of the Cheyenne River, ca 3 air mi WSW of Red Shirt; ca 18 air mi SE of Hermosa.
Stony, gravelly slopes with scattered sand sagebrush. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ridge and buttes between Oat and Brush creeks, ca 0.5 mi N of Nebraska and 1-1 1/4 mi E of Wyoming, ca 23 air mi SE of Edgemont.
Stony slopes. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 4.5-5 air mi SE of Wall, 2-2.5 mi S of I-90, channel draining into Whitewater Creek..
On badlands in deep channel draining into creek; soils of white, heavy clays. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 19 air mi SE of Hermosa.
Butte tops and slopes of sand and gravel soil. 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 11 air mi NW of Crawford and 0.5 mi W of Hudson-Meng Bonebed Trail, near Whitehead Creek.
In drainage and slopes leading to creek in heavy white clay 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 30-31 air mi NW of Crawford and 0.5 mi N of Indian Creek Road.
On buttes of gravel and rock. 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., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 14.5-15 air mi ENE of Hermosa and 4 air mi WSW of Railroad Buttes.
On ridge of rock and gravel. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 20.5-21 air mi SSW of Wall and 0.5 mi E of Forest Road 7133.
On east and south faces of revegetated and stabilized sand bluffs. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 17 air mi SSE of Hermosa.
On ridge of rock and slopes and upland of clay soil. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 17-17.5 air mi SE of Hermosa and 1.5-2 mi NNW of Red Shirt and 1-1.5 mi W of SD Hwy 40.
In draws and on ridge tops. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 16.5 air mi ENE of Hermosa and 0.5 mi W of County Road 121.
On butte and butte slopes of clay and gravel soil. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 17 air mi ENE of Hermosa and 1.5 mi E of County Road 121.
On steep Juniperus scopulorum rock slopes. 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., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 1.5 - 2 air mi S of French Creek and 3/4 - 1 air mi E of South Fork French Creek, ca 15.5 air mi SE of Hermosa.
Gravelly soil. 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 12.5-13 air mi NW of Crawford.
On rocky ridge and side slopes. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 7.5 air mi W of Scenic, near Spring Draw.
On sand bluffs overlooking draw. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 2 air mi W of Edgemont and 0.5 mi N of U.S. Hwy 18.
On mesa top and slopes of rock and gravel. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 8.5 air mi SE of Hermosa in Red Shirt Creek.
In drainage of creek and steep slopes of drainage; soils are rock substrate with clayey silt. 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: ca 9 - 9.5 air mi WSW of Edgemont and 1.5 mi W of County Road 8.
Draw sides and slopes. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 8.5 air mi WNW of Edgemont and 2.5 air mi N of U.S. Hwy 18 in side drainage of Moss Agate Creek.
Top of slope. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 32 air mi NW of Crawford and 2 mi W of Edgemont Road on Forest Road 930.
On ridge W of draw; gravel and rock soils. 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., 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, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 10 air mi ESE of Cottonwood.
On gently rolling prairie uplands, soils are gravel and silt loams. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 10-10.5 air mi SE of Cottonwood.
On gently rolling prairie uplands, soils are gravel and silt loams. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 12 air mi SE of Cottonwood.
On gently rolling prairie uplands, soils are gravel and silt loams. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 12.5 air mi SE of Cottonwood.
On gently rolling prairie uplands, soils are gravel and silt loams. Phenology: buds.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 7.5 air mi SE of Farmingdale.
Rock ledges of bluffs, north aspect, overlooking deep drainage; soils are rock, gravel, and silt eroding into clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6 air mi SE of Farmingdale.
Rock ledges of bluffs overlooking deep drainage, north aspect; soils are rock, gravel, and silt eroding into clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 9 air mi SE of Farmingdale.
On rocky buttes and upslopes eroding into shale. 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., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 5.5 air mi SE of Scenic in Big Hollow Creek.
Soils are unstable, gravel and clay streambed. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 3 1/2-3 3/4 air mi SSW of Scenic.
In deep-cut stream channel of badlands; soils are clay overlain by gravel. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 1 air mi ENE of Scenic.
Deep channeled creek bed in badlands; soils are clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: Sage Creek drainage, ca 8 air mi SW of Wall and ca 2.5 mi due W of Sage Creek Road (County Road C502).
In large side drainage of the creek, soils are silty loam. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 0.4-0.6 mi S of Elk Creek on Dorsey Creek or BLM Road 1103, ca 9.5 air mi SSW of Otto; ca 16 air mi SW of Basin.
Sagebrush-spiny horsebrush outwash areas at base of badlands. Phenology: flowering.
with Luanne Lum

U.S.A., Wyoming, Washakie County: Bighorn Basin: between Sand Point and Blue Bank Draw, ca 1 3/4 air mi S of Nowater or BLM Road 1404, ca 15 air mi WSW of Big Trails; ca 30 air mi SE of Worland.
Stony, sandy-clay slopes with scattered sagebrush. 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 ridgetop and sandstone outcrops in the breaks. Phenology: flowering.
with Luanne Lum

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 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, 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.

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: ca 1.5 mi SW of Lander Hill, ca 4 air mi W of Lander.
Sagebrush grassland. 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.
Sedimentary rock outcrops dominated by juniper and limber pine. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along northeast side of Pilot Butte Reservoir, ca 1 air mi NE of Morton; ca 23.5 air mi NW of Riverton.
Sandy areas on sandstone cliffs. 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.
Annotated by Rachel Newton.

U.S.A., Wyoming, Laramie County: Wetlands and Adjacent Areas: Bear Creek, ca 9 air mi SSE of Chugwater.
Dry, rocky uplands. 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: Red Fork Powder River, ca 9 air mi W of Kaycee.
Rocky, shrubby hillside. 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 & fruiting.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Inyan Kara Creek, ca 17 air mi NE of Moorcroft.
Dry Artemisia scrub uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Redwater Creek, ca 2 air mi W of Beulah; ca 14 air mi NE of Sundance.
Dry sandy uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Wetlands and Adjacent Areas: Clarks Fork Yellowstone River, ca 24 air mi NNW of Cody.
Dry sandy hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Near Devils Tower.
44.587° N, 104.6968° W; NAD 83, uncertainty 2 mi., Digital Map
Grassland hills. Occasional; flowers yellow. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Laramie County: Foothills of the Laramie Range: near Crystal Reservoir.
41.1535° N, 105.2034° W; NAD 83, uncertainty 0.75 mi., Digital Map
Common, dry grassland, granitic soil. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Platte County: 6 miles north of Wheatland.
42.1414° N, 104.9418° W; NAD 83, uncertainty 1 mi., Digital Map
Dry clayey soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Along the Wind River, 13 mi SE of Dubois.
43.4288° N, 109.4436° W; NAD 83, uncertainty 2 mi., Digital Map
Phenology: flowering.
with R. C. Rollins

U.S.A., Wyoming, Platte County: Near Albany County on Wyo Hwy 34.
Dry hills, gravelly soil. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Goshen County: Near Lone Tree Canyon, ca 12 mi W of Hawk Springs.
Common, hot, dry, sandy hills, . *4,400 ft may be incorrect* Phenology: flowering & fruiting.

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, Hot Springs County: Owl Creek/Bridger Mountains: Hogback Ridge, ca 7 air mi NNW of Hamilton Dome; ca 25 air mi NW of Thermopolis.
South-facing slopes of ridge composed of sandstone, conglomerate, and mudstone.

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.

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.

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: along the north side of the North Fork Shoshone River, ca 1/2-2 mi W of Wapiti.
Phenology: fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 1.6 km SSW of Register Cliff Historical Monument, ca 2.4 km S of North Platte River.
Elev. 1347 m.
Grassland ridges and flats of calcareous sandstone with limestone cap to sandy loam, with Oenothera albicaulis, Artemisia, Bromus, and Poa spp. Phenology: flowering & fruiting.
Patricia P. Douglas, 250. 6/15/1995.
with C. A. Popolizio, R. M. Smith

U.S.A., Wyoming, Natrona County: Southeastern Foothills Big Horn Mountains: draw due W of E-K Creek and ridge on east side of creek, ca 5.5 air mi NNE of Arminto.
East-facing limestone/sandstone ledge in narrow draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: East Wind River Basin: badlands, ca 1.5 air mi E of Hells Half Acre, on north side of U.S. Hwy 20/26, ca 40 air mi WNW of Casper.
Badland slopes and ridges of tilted bands of multicolored sediments; with Wyoming big sagebrush, winterfat, rabbitbrush, Junegrass. 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: flowering & fruiting.

U.S.A., South Dakota, Fall River County: Erskine, Hot Springs;
T7S R5E S10
Frequent on uplands. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Along U.S Hwy 16, 7.5 mi W of Wall.
T1N R15E S18
Phenology: flowering.
with G. W. Parmelee, Stella M. Wilson, and P. G. Coleman

U.S.A., South Dakota, Custer County: Fairburn.
Red foothills; grass ands sage association; xero-mesophytic. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap.
T6S R7E S29
Red foothills; grass association; xero-mesophytic. Phenology: flowering.

U.S.A., South Dakota, Custer County: Hell Canyon, 8 mi NE of Dewey.
Rocky valley; grass and pioneer association; xerophytic. Phenology: flowering.

U.S.A., South Dakota, Fall River County: 5 mi E of Edgemont.
T8S R3E S34
Foothills; south slope; grass association; xero-mesophytic. Phenology: flowering.

U.S.A., South Dakota, Custer County: Jewel Cave National Monument: Hell Canyon, on U.S. Highway 16 just E of canyon.
Roadcut. Phenology: flowering.

U.S.A., South Dakota, Custer County: Ca 10 mi WSW of Pringle.
Rocky calcareous ridge with Hymenoxys and Lithospermum. 43 deg 33.7'N; 103 deg 48.5'W Phenology: flowering.

U.S.A., South Dakota, Harding County: Cave Hills: Table Mountain.
T22N R4E S6
On rocks. Phenology: flowering.
Annotated by B. L. Turner in 1953.

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 & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Boulder Ridge, ca 14 air mi S of Laramie.
Red beds with Cercocarpus grassland. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Colorado, Jefferson County: 3 mi E of Golden.
Phenology: flowering.
Annotated by B. L. Turner in 1953.

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 & fruiting.
Annotated by B. A. Packer.

U.S.A., Colorado, Larimer County: Fossil Creek
Annotated by B. L. Turner in 1953.

U.S.A., Colorado, Weld County: Grover.
Prairies. Phenology: flowering.

U.S.A., Colorado, no county County: Central Colorado.
Phenology: flowering & fruiting.
1.
Annotated by Aven Nelson in 1953.
Earl L. Johnston, 430. //1907.

U.S.A., Wyoming, Natrona County: Laramie Range: east end of Casper Mountain, ca 2 air mi W of the Hat Six Hogback, ca 10 air mi SE of Casper.
Gentle sandy slopes and flats above the canyons with scattered areas of ponderosa pine, sagebrush-forbs, and rock outcrops. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Colorado, Larimer County: Owl Canyon.
Phenology: flowering & fruiting.
with W. W. Robbins

U.S.A., Colorado, Larimer County: Fossil Creek.
Mesa. Phenology: flowering.

U.S.A., Colorado, Weld County: Pawnee Buttes.

U.S.A., Colorado, Larimer County: La Porte.
Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Livermore.

U.S.A., Colorado, Larimer County: Livermore.
George E. Osterhout, 5749. 7/2/1918.

U.S.A., Colorado, Weld County: Bluff SE of Windsor.
George E. Osterhout, 5891. 6/9/1919.

U.S.A., Colorado, Weld County: North of Keota.

U.S.A., Colorado, Weld County: Near Keota.

U.S.A., Colorado, Larimer County: 3 mi W of Windsor: bluffs on the south side of the river.

U.S.A., Colorado, Larimer County: Dale Creek

U.S.A., Colorado, Larimer County: Dale Creek.

U.S.A., Colorado, Rio Blanco County: 1 1/4 mi N of Black Sulphur Creek ans 2 mi W of confluence with Eureka Creek.
Elev. 2015 m.
T2S R89W S14 NE1/4 of NW1/4 of SW1/4
Loam of south facing slope with Pinus, Juniperus and Cercocarpus. Phenology: flowering.
with J. Riefler

U.S.A., Colorado, Chaffee County: Along U.S. Hwy 285, ca 5 mi N of U.S. 50.
Elev. 2285 m.
Annotated by Ronald L. Hartman in 2001.
Robert Merril King, 10943. 7/1/1999.
with Robert M. Garvey

U.S.A., Colorado, El Paso County: Pike National Forest: along Forest Road 320, ca 5 mi W of Monument.
Annotated by Ronald L. Hartman in 2001.
with Robert M. Garvey

U.S.A., Colorado, Weld County:
Sandy loam, grassland. Phenology: flowering.

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, Converse County: Laramie Range: along Indian Creek, ca 7 air mi NW of Esterbrook; ca 17 air mi SW of Douglas.
Heavily grazed northwest facing cow pasture. Phenology: flowering & fruiting.
with T. McGowan

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, Park County: Bighorn Basin: plains N of Bennett Creek, ca 4-5 air mi NW of Clark; ca 30 air mi NNW of Cody.
Sandy to sandy clay soils in sagebrush grassland. Phenology: flowering.
with Ronald L. Hartman

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.
T12N R94W S11
Draw, sandy soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: rim N and W of Red Creek, ca 2.5-3 air mi above the confluence of Red and Sand creeks; ca 9.5 air mi WNW of Baggs.
Sandy soil in draw. 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.
Badlands slope. Phenology: flowering & fruiting.

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, 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.
Sandy-clay slopes covered with sandstone rubble in rough breaks.

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.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Cottonwood Creek, ca 7 air mi E of Squaw Teat Butte; ca 33 air mi WNW of Thermopolis.
Bluffs and sandy clay slopes.

U.S.A., Wyoming, Park County: Northern Absarokas: south end of Bald Ridge, 3-4 air mi NE of Dead Indian Pass, ca 23 air mi NW of Cody.
Dry grassy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: on ridge leading west to Blue Mesa, ca 6.5 air mi NW of Winchester; ca 15 air mi SW of Worland.
Less rocky slopes of Willwood formation.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along South Fork Fifteenmile Creek, ca 14 air mi WNW of Worland.
Elev. 4400
Sandy soil with cobbles on flat areas above 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, 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.
Limestone rubble slopes below benchland.
with Erik Nelson

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.
Sandy or sandy clay slopes among sandstone outcrops between uplands and badlands.

U.S.A., Wyoming, Park County: Bighorn Basin: between Big Sand Coulee and Polecat Bench, 9.5 air mi WNW of Powell, ca 6 air mi NW of Ralston.
Sandy areas around sandstone outcrops.

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 ridges and draws in canyon bottom with numerous prostrate Juniperus scopulorum. Phenology: flowering.
Annotated by Emily Elliott.
Accession: RM 861170, Barcode: USFS0043491

U.S.A., Wyoming, Park County: Bighorn Basin: ca 3.5-4 mi NE of Clarks Fork Canyon off Wyo Hwy 292, ca 26 air mi NNW of Cody.
Moraine.

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, Johnson County: Powder River Basin: ca 13 air mi WSW of Kaycee, ca 0.7 mi E of Barnum on Wyo Hwy 190-Barnum Road, along Beaver Creek.
Benches on red cliffs. Phenology: fruiting.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along the Nowater Trail just off the Upper Nowood Road, ca 2.5 air mi SW of Nowood, ca 31.5 air mi S of Ten Sleep.
Red sandy slopes.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 5 air mi SE of Grass Creek; ca 25 air mi NW of Thermopolis.
Rocky slopes.

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: above Buffalo Creek on the road to Little Buffalo Basin, ca 5 air mi N of Dickie, ca 40 air mi NW of Thermopolis.
Clay and sandy clay ridgetop in 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, 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.
South-facing clay slopes with juniper below sandstone cliffs.

U.S.A., Wyoming, Fremont County: Top of Beaver Rim, butte W of Dishpan Butte, ca 7 air mi NNW of Sweetwater Station.
Slopes and top of butte. Phenology: fruiting.
with Georgia Haines

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.
with Georgia Haines

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.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Beaver Rim, ca 6 air mi NW of Sweetwater Station.
Limestone slopes. Phenology: fruiting.

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; scoria. Phenology: flowering.

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: 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; slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: White Tail Butte.
Sandy slopes, sagebrush plains, draws, and roadside ditch; plains. Phenology: fruiting.
with Ronald L. Hartman

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Dissected slopes near road; slope.
with Ronald L. Hartman

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: fruiting.

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

U.S.A., Wyoming, Converse County: Powder River Basin: ca 14 air mi NE of Bill.
Plains, rocky crest; plains. Phenology: 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. Phenology: flowering.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 9 air mi NNE of Soda Wells.
Eroded plains, small draw; eroded plains. Phenology: flowering.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Ponderosa pine slopes, eroded plains; slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Eightyfive Divide; ca 7 air mi S of Montana, 5 mi E of Hwy 59.
Rolling plains and sandstone outcrops; rocky slope. Phenology: flowering & fruiting.

Plains, and rocky slope of butte, with loose talus near summit; rocky slope. Phenology: flowering & fruiting.

Plains, head of draw; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 2.5 air mi SW of Rockypoint.
Rocky slope, ponderosa pine hills, deep ravine; rocky slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 7 air mi NW of Rockypoint.
Pond, margins and adjacent plains; plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 10.5 air mi NW of Rockypoint.
Eroded plain, sandstone outcrops; eroded plain. Phenology: flowering.

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

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

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

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

U.S.A., Wyoming, Converse County: Powder River Basin: near Bozeman Trail Monument.
Sandy trail. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

Roadside, plains, ridge; ridge. 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; sandy slopes. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 20 air mi N of Spotted Horse.
Pine covered ridges, ravines, loose talus slopes, grassland, slopes; slopes. Phenology: flowering.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 7.5 air mi N of Echeta.
Sandstone ridge, outcrops. Phenology: flowering.

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: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 8 air mi NW of Pine Tree.
Dissected plains, eroded slopes of draw; plains. Phenology: flowering & fruiting.

Plains, scoria topped butte, loose talus slopes; rocky slopes. Phenology: fruiting.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 4 air mi ENE of Adonis.
Sagebrush plains, ponderosa pine slopes, ravines, eroded slopes, creek bottom; slopes. Phenology: flowering & 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: flowering & fruiting.

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

Rolling plains, eroded, sandy slopes, sandstone outcrops, small peak; slopes. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: Ross Road, ca 10.5 road mi N of junction with Wyo Hwy 93.
Plains, small draw, sandy ditch; eroded plains. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Dry Fork Spring Creek, ca 3.5 air mi NE of Soda Wells.
Sagebrush plains, draw, bottoms along creek, cottonwood, plum thickets; slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Shale ridge-outcrops, covered with ponderosa pine, sagebrush grasslands, eroded slopes, wet depressions and small holding pond, draws; slopes.

Rocky hills, plains, holding pond, wet mud along creekbeds, flats, moist grassy ditches; slopes. Phenology: flowering & fruiting.

Sandy roadside ditch and roadcut. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 7.5 air mi SE of Kaycee.
Sagebrush plain on clay, draws; draw. Phenology: flowering.

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.

U.S.A., Wyoming, Johnson County: Powder River Basin: West side of Powder River, ca 0.5 mi S of I-90.
Clay slopes. Phenology: flowering.

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

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Sagebrush plains, draws; draw. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Niobrara County: Powder River Basin: ca 2.5 air mi E of Cow Creek.
Rocky slopes. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Powder River Basin: ca 4 air mi W of Lance Creek.
Sagebrush plain, sandstone outcrops; outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: Powder River Breaks.
Clay slopes, bottoms of draws, sagebrush plains on level areas; slopes. Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Clay slope along highway, rock outcrops, draws; slopes. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: Red Wall, ca 24 air mi N of Powder River.
Sandy plains and rocky slopes (Chugwater Formation) below the wall; slopes. Phenology: flowering.

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: fruiting.

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

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

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Hilly, stony plains. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: Monkey Hill, ca 1 air mi NE of Glenrock.
Sandstone ridge, roadcut through hills, highway right-of-way; ridge. Phenology: fruiting.

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: flowering & fruiting.

U.S.A., Wyoming, Natrona County: 5 air mi NNE of Arminto.
Limestone outcrops, red beds, and shaley slopes. Phenology: fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: Burlington Meeteetse Road, 16.5 mi NE of intersection with Wyo Hwy 120.
Sandstone ridges and dissected slopes of Y U Bench. No elevation listed in field notebook.
with Keith H. Dueholm

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.
with Keith H. Dueholm

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.
with Keith H. Dueholm

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Wyo Hwy 431, ca 23 air mi W of Worland.
Badlands with shales, sandstones, and plains on margin.

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.
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, Park County: 2 road mi E on Squaw Teats Road from Wyo Hwy 120; ridge extending NW of this point.
Sandstone slopes and ridge with Pinus flexilis.

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

U.S.A., Wyoming, Fremont County: Ca 3 air mi SSW of Big Sand Draw Oil and Gas Field.
Eroded slopes and ridges. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Ca 2 air mi NE of Big Sand Draw Oil and Gas Field.
Eroded slopes and ridges and along stream. Phenology: flowering.

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: 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: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Green Mountain, ca 3 air mi E of Sundance.
Plains with outcrops of Chugwater red beds, Pinus ponderosa covered mountain slopes and summit, and moist shaded limestone canyon; prairie.

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, 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; shale slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: Red Canyon, Buffalo Creek Road, ca 14 air mi ENE of Thermopolis.
Red beds; grassy slopes and outcrops.

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.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: head of draw to Spotted Horse Creek; ca 3 air mi NW of Spotted Horse.
Deeply dissected sandstone with ponderosa pine on slopes, plains, and stream bottoms; rocky outcrop. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: near the Powder River, ca 17 air mi NNW of Spotted Horse.
Eroded hills overlooking river; open slope. Phenology: flowering & fruiting.
with Keith Dueholm

U.S.A., Wyoming, Sheridan County: Powder River Basin: east slope near north end of L Quarter Circle Hill.
Badly eroded slope. Phenology: flowering.

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; slope.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 21 air mi SSE of Gillette.
Rocky outcrop at summit of hill. Phenology: fruiting.

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.

U.S.A., Wyoming, Converse County: Powder River Basin: ca 13 air mi NE of Bill.
Low hills. Phenology: flowering.
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.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11.5 air mi NNE of Weston.
Open slopes. Phenology: flowering.
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.

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, Johnson County: Powder River Basin: ca 0.5 mi N of I-90 at the Powder River.
Bottom land along river and roadside. Phenology: flowering.

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.

U.S.A., Wyoming, Campbell County: Powder River Basin: Pumpkin Buttes: North Middle Butte.
Top and upper slopes of butte.

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: fruiting.

Gravelly hills; black sage, creeping juniper, and limber pine common. 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; shaded stream side along road. Phenology: flowering.

Plains, small draw, gravelly roadcuts; draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: between Rocky Pass and Long Canyon, ca 1.3 air mi NW of Hartville; ca 4.7 air mi N of Guernsey.
Rocky slopes below limestone flats with scattered junipers and ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: ca 13.5 air mi N of Chugwater; ca 12 air mi SE of Wheatland.
Rough breaks with conglomerates and cobblestones at upper levels and mudstones and soft sandstones below. 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.
Sparsely vegetated slopes of draw in rough breaks leading to creek bottom. Phenology: flowering.

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.

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.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Steep slopes with outcrops and scattered juniper and ponderosa pine. Phenology: flowering & fruiting.

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, Platte County: [location and coordinates withheld]
Stony slopes and flats in ponderosa pine woodland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sparsely vegetated knoll and roadcut in rolling plains of sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Walker Creek or County Road 43 on the divide between Walker and Lightning creeks, ca 17.5 air mi SE of Bill; ca 29.5 air mi NE of Douglas.
Rolling rough breaks-badland with scattered ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Open rocky slopes at base of butte. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: at the end of County Road 30 ca 1.5 mi W of Nebraska; ca 3 air mi S of Lone Sand Hill, ca 24.2 air mi NNE of Torrington; ca 15 air mi ESE of Jay Em.
Rolling plains with sandstone or siltstone knolls, small blowouts. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: between Lone Tree Canyon and Castle Rocks off County Road 155, ca 8-8.5 air mi SW of Hawk Springs; ca 27 air mi SSW of Torrington.
Sandy area on and among sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Sandy slopes with scattered small cobblestones and conglomerate outcrops. Phenology: flowering & fruiting.

Siltstone knoll and road cut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road just S of the Laramie River, ca 3.5 air mi WSW of Fort Laramie; ca 22.3 air mi NW of Torrington.
42.193° N, 104.581° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!
Steep cobblestone slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: hills S of the Laramie River and SW of Grayrocks Reservoir, ca 8.8 air mi NE of Wheatland; ca 11.5 air mi SSW of Guernsey.
Steep cobblestone slopes. Phenology: flowering & fruiting.

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 & fruiting.

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: along Horse Creek and bluffs to the north, ca 4.5 air mi S of Indian Hill, ca 24.5 air mi N of Cheyenne.
Shelves and slopes among sandy shale bluffs. Phenology: flowering & fruiting.

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, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cottonwood Creek at the west end of Cottonwood Rim, ca 16.5 air mi N of Powder River; ca 46.5 air mi NW of Casper.
Rocky sandbars. Phenology: flowering & fruiting.

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.
Roadside through the stream valley. Phenology: flowering & fruiting.

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.
Badlands of interspersed clays, shale, sandstone, coal beds, and mudstones with patches of greasewood or sagebrush. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: along the Oregon Trail between the Laramie and North Platte rivers, ca 3 air mi W of Fort Laramie (town); ca 23 air mi NW of Torrington.
42.223° N, 104.571° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!
Bluffs and breaks along the river with scattered ponderosa pine and juniper. Phenology: flowering & fruiting.
with David Reilly

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: just off the southwest corner of Harmony Heights between Deer and Cherry creeks ca 8.5 air mi SW of Fort Laramie; ca 21.3 air mi W of Torrington.
Rough breaks of sandy slopes, outcrops and draws with juniper, mountain mahogany and some ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: near the end of Ormsby or County Road 705 ca 2.3 air mi W of Converse County on the divide between Sand Spring Creek and McKenzie Draw, ca 21 air mi NNE of Casper.
Eroding slopes of draws and gullies through sandstone, shale, mudstone and clay. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along McKenzie Draw and vicinity just above Sand Spring Creek on Ormsby or County Road 705, ca 14 air mi NNE of Casper.
Sagebrush-grassland sand hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Castle Rock and vicinity ca 5 air mi SSE of Midwest; ca 34.5 air mi N of Casper.
Steep clay slopes with sandstone outcrops and rubble at the base of the butte. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Cottonwood or County Road 42 ca 1.5 air mi S of Cottonwood Creek, ca 9 air mi W of Guernsey; ca 15 air mi N of Wheatland.
Mixed grass grassland with sand-, clay-, and siltstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: Dickinson Hill ca 3.5 air mi W of Goshen County, ca 16 air mi NNE of Chugwater; ca 13.5 air mi ESE of Wheatland.
Sand-, clay-, and siltstone cliffs and bluffs with mixed grass on the flater areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along I-25 ca 1 1/4air mi S of Little Bear or Exit 39, ca 27 air mi N of Cheyenne.
Knolls with sandstone and shallow sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: breaks N of Muddy Creek along Spanish Diggings or County Road 34, ca 20.5 air mi WSW of Lusk, ca 7.5 air mi SW of Keeline.
Slopes, draws and flats in the rough breaks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along East Antelope or County Road 52, ca 0.5 air mi SW of West Fork Shawnee Creek, ca 12.5 air mi E of Douglas; ca 8 air mi NNE of Orin.
Mixed grass plains with large erosional areas and outcrops of siltstone-mudstone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: west end of Cedar Breaks and head of Dumbell Rock Draw, ca 14 air mi SW of Lance Creek; ca 22.5 air mi WNW of Lusk.
Sandstone-shale rough breaks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road 48 just E of Sixmile Creek, ca 4.5 air mi SW of Fort Laramie; ca 23.5 air mi WNW of Torrington.
42.1832° N, 104.614° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Roadside and adjacent roadcut. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road 27, ca 1.5 air mi N of the end of Wyo Hwy 159, ca 2.3 air mi NE of Tea Kettle Rock; ca 13.5 air mi N of Torrington.
Siltstone road cut and adjacent slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road 32, ca 1.25 air mi W of County Road 27, ca 16.8 air mi N of Torrington; ca 14 air mi SE of Jay Em.
Small siltstone "butte" on rolling plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Rocky Hollow between Bear and Horse creeks, ca 1/2-3/4 air mi N of Laramie County, ca 15 air mi WSW of La Grange; ca 36 air mi SSW of Torrington.
Among and below siltstone-sandstone outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Poison Spider Oil Field, ca 24 air mi W of Casper.
Sandy slopes and flats with sandstone outcrops in uplands with ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Blue Canyon at south end of Pine Mountain, ca 28 air mi WNW of Casper.
Sandstone outcrops and sandy slopes with areas of shale. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 3 air mi SSE of Powder River and ca 1 air mi NW of Middle Fork Casper Creek crossing.
Sandy plains and white sandstone monuments. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyo Hwy 253, ca 9 air mi SE of Casper.
Wide right-of-way with road cut and relatively undisturbed grasslands along fence and drainage with cottonwood and willow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, 87, ca 8 air mi E of Casper.
Sandstone outcrops, sandy slopes and grassland. Phenology: flowering & fruiting.

Breaks and sandy plains and slopes; grassland with patches of sagebrush. Phenology: flowering & fruiting.

Old roadcut with original grasslands along fences; sandy soil. 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: breaks on south side of the North Platte River, ca 9 mi NW of Douglas.
Sandy slopes and flats; grasslands with areas of sagebrush. Phenology: flowering & fruiting.

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.

Sandy grasslands and road cuts. Phenology: flowering.

Sandy plains and road cut. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Warm Springs Hill, ca 7 air mi S of Douglas.
Redbeds with strata of anhydrous gypsum; juniper woodland and grassland. 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: [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.

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.

Sandy plains and slopes with adjacent irrigation canals. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Johnson Reservoir 3, ca 6 air mi NNW of Wheatland.
Sandy slopes and lake margin. Phenology: flowering & fruiting.

Sandy slopes. 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: flowering & 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.
Sandstone outcrops and sandy slopes. Phenology: flowering & fruiting.

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.

Sandy plains and road cuts. Phenology: flowering.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Limestone outcrops with mountain mahogany juxtaposed with degrading granites. Phenology: flowering.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Sandy slopes. Phenology: flowering & fruiting.

Sandy road cut. Phenology: flowering.

Draws and granite slopes of ponderosa pine, sagebrush, and snowberry. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 650, ca 6 road mi W of Exit 64 on I-25.
Top of hill with oak meadows. Phenology: flowering & fruiting.

U.S.A., Colorado, Costilla County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: U.S. Hwy 160, ca 5 road mi E of Fort Garland.
Large open valley with pinyon and Artemesia tridentata. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: [location and coordinates withheld]
Prairie, pinyon, and riparian. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: S on Colo Hwy 69 from junction with County Road 32 just N of Hillside.
Open pinyon-juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
S-facing slope with scattered pines, sandy soil with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland; south, east, and northeast-facing slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Roadcut in grassland. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: head of Rocky Ford Creek, Government Valley Road, ca 3 air mi NNE of Sundance.
Open ponderosa pine forest with grassy understory, minnekahta limestone; Phenology: fruiting.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: junction of Ute Pass Road with Forest Road 857 at Columbia Gulch; off U.S. Hwy 285, W of Villa Grove.
Ponderosa pine. Phenology: flowering.

Sparsely-vegetated red shale slope (Spearfish Formation) and gypsum outcrop. Phenology: fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Sandy plains, sandstone outcrops, eroded slopes; slopes. Phenology: flowering.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Highway right-of-way, sandy plains; plains. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Powder River Basin: ca 2.5 air mi S of Clareton.
Plains along right-of-way, sandstone outcrops, ditch; slope. Phenology: fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Sagebrush plain, clay slopes, draws; plains. Phenology: flowering & fruiting.

Sandy plains, sandstone outcrops, draw; plains. Phenology: fruiting.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: over BLM boundary on U.S. Hwy 50, W of Parkdale.
Riparian and pinyon-juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Devils Tower National Monument: ridges SW of Administration Building.
Red beds and sandstone outcrops. Phenology: fruiting.
with Hollis Marriot

U.S.A., Wyoming, Crook County: Black Hills: ca 3 air mi NNE of Beulah.
Prairie and breaks with dry stream; sandy slopes. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Green Mountain, ca 3 air mi E of Sundance.
Plains with outcrops of Chugwater red beds, Pinus ponderosa covered mountain slopes and summit, and moist shaded limestone canyon; prairie. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: ca 4 air mi NW of summit of Inyan Kara Mountain.
Sagebrush slopes on red beds with moist drainage. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: lower slopes of Hooker Peak and plains to the NW, 7-8 air mi SSE of Sundance.
Plains, Pinus ponderosa wooded slopes, moist open drainages and stock pond; plains and open slopes with some limestone outcrops. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Powder River Basin: ca 4 air mi SSE of Rochelle.
Ridge and slopes. Phenology: fruiting.
with Keith H. Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Weston County: Newcastle.
Western foothills; Cercocarpus associaton; xero-mesophytic. Phenology: flowering.

U.S.A., Wyoming, Crook County: Devils Tower National Monument: east end of Red Beds near trail.
Red beds; on eroded, red shale soil of south slope with Hymenoxys acaulis and Oryzopsis. Common. Phenology: flowering.

U.S.A., Wyoming, Crook County: 10 mi N of Devils Tower. Ewing.
Stanton Seig, 7. //1925.

U.S.A., Wyoming, Sheridan County: Sheridan Training Area: site ca 1.2 km ESE of Peak 4152 (34000, 4967300) ca 400 m NE of Peak 4355 (337180, 4968280). 337360E 4968640N.
North to west-facing 20-30 degree slope on Artemisia grassland on soil series 305 Worfka-Shingle-Samday complex, with Artemisia tridentata, A. frigida, Stipa comata, Tragopogon dubius, Koeleria macrantha. Phenology: flowering.
Patricia P. Douglas, 385. /9/1998.
with N. Hastings

U.S.A., Wyoming, Laramie County: Table Mountain.

U.S.A., Wyoming, Albany County: North Chugwater.

U.S.A., Wyoming, Albany County: Chug(water) Creek.
Dry, gravelly plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Fort Laramie.
Gravelly hilltops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Bluffs 5 mi SW of Carpenter.
41.0099° N, 104.4374° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Bluffs; occasional on open grassy slopes, sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: E of Douglas.
Dry sandy clay hill. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Hunter Ranch; ca 6 mi SE of Meriden near PA-5.
Rocky outcrop. Phenology: flowering.
with J. Von Loh

U.S.A., Wyoming, Platte County: Ca 12 mi SE of Wheatland; near Silo T-4.
Grassland. Phenology: flowering & fruiting.
with J. Von Loh

U.S.A., Wyoming, Natrona County: Rattlesnake Mountains.

U.S.A., Wyoming, Laramie County: 10 mi S of Pine Bluffs.
Hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Between Hot Springs, South Dakota and Lusk.

U.S.A., Wyoming, Niobrara County: N of Lusk.

U.S.A., Wyoming, Laramie County: 7 mi W of Cheyenne and 1 mi N of U.S. Hwy 30.
Short grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Bates Creek.
42.6647° N, 106.5973° W; NAD 83, uncertainty 0.5 mi., Digital Map
Banks of washouts. Phenology: flowering & fruiting.
Leslie N. Goodding, 199. 7/5/1901.

U.S.A., Wyoming, Carbon County: Near Baggs.

U.S.A., Wyoming, Platte County: Guernsey.

U.S.A., Wyoming, Converse County: Near Little Box Elder Cave.
Growing in the draws, slopes and meadow areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Near Little Box Elder Cave.
Growing in the draws, slopes and meadow areas; in dry soil. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Rattlesnake Mountain.
T33N R88W S5; also S6, S8, S9
On rocky soil on mountain slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: 2 mi S of Casper.
Along dry roadside. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Laramie County: Campus of Laramie County Community College SE of Cheyenne.
Short grass prairie. Phenology: flowering & fruiting.
William C. Edwards, 100. 7/1/1983.

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 & fruiting.
Annotated by Ronald L. Hartman.

U.S.A., Montana, Carbon County: Pryor Mountains: Bear Canyon and vicinity, ca 25 air mi SE of Bridger.
45.0861° N, 108.5258° W; uncertainty 1 mi., GPS reading
Rolling slopes on limestone with Utah juniper and sagebrush. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: Sage Creek Campground and vicinity on Sage Creek, ca 19 air mi ESE of Bridger.
45.2117° N, 108.5521° W; uncertainty 0.5 mi., GPS reading
Southerly-facing slope with Elymus spicatus and occasional limber pine and juniper on limestone. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Montana, Carbon County: Pryor Mountains: west base of the mountains ca 9 air mi N of Warren; ca 15 air mi SE of Bridger.
45.1781° N, 108.6723° W; uncertainty 0.25 mi., GPS reading
Juniper scabland on mixed dolomite and redbeds. Phenology: flowering & fruiting.

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: flowering & fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: along Red Pryor Mountain Road on 2 air mi SSE of Red Pryor Mountain summit, ca 28 air mi SE of Bridger.
Burn in Douglas fir forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, no county County: Between Sheridan and Buffalo.
Rolling plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Near Kaycee.
Sandy roadsides. Phenology: fruiting.
with Ruth Nelson

U.S.A., Wyoming, Sheridan County: Hills E of Sheridan.
Elev. 3850
Clay hillside. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: road from HD Ranch to Lime.
Steep southeast facing slope with bare soil and limestone talus; with Agropyron spicatum, Campanula, Leucopoa kingii, Juniperus horizontalis, Phlox hoodii, Calochortus, and Chaenactis. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Red Canyon of the Wind River, 13 mi S of Dubois.
Dry, gravelly soil with sagebrush. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: 23 mi S of Gillette on the T7 Ranch near the western edge of the Rochelle Hills and the Belle Fourche River.
Sandy soil on the river, shaley hillsides. Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: Cruse Creek.
Dry hills. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: S end of Beaver Divide, Red Bluff Canyon, ca 2 mi E of Sheep Mountain, on NW side of Beaver Creek, ca 5.5 air mi S of U.S. Hwy 287.
Sandy banks of 2-track, 70% bare ground, with Artemisia trindentata var wyomingensis grassland community. Atypical individuals, possibly with a disease. Phenology: fruiting.
with Rick Studenmund

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: north side of Logan Mountain.
With Juniperus scopulorum, Physaria Didymocarpa, and Artemisia nova. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Grass Station.
Phenology: fruiting.

U.S.A., Wyoming, Fremont County: West Wind River Basin: Beaver Rim: ridges in vicinity of Devils Gap, ca 1.5 air mi W of Dishpan Butte.
South facing sandstone slope below low cliff of conglomerate on sandy and gravelly sediments with Phlox hoodii, Penstemon laricifolius, and P. paysoniorum. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Southeast Wind River Range: Red Canyon Rim on east side of Red Canyon, ca 11 air mi SSE of Lander.
Redbeds of Chugwater Formation; loose, fine textured red sandy soil on southwest and west facing slope with low cover. Phenology: flowering.

U.S.A., Wyoming, Washakie County: North Butte area, 10 mi SW of Ten Sleep.

U.S.A., Wyoming, Campbell County: Black Thunder Strip Mining Area: North Prong of Thunder Creek and Little Thunder Creek.
Breaks: Big sagebrush, blue grama, western wheatgrass, shallow clayey, shale, loamy (Shingle Series). Phenology: flowering.
with D. W. Sabinske

U.S.A., Wyoming, Campbell County: Ca 5.5 mi N of Reno Junction and 1 mi E of Wyo Hwy 87.
T45N R71W
Common in unstable sand of S facing flank of a butte. Phenology: flowering.

U.S.A., Wyoming, Campbell County:
Dry, grassy hills. Phenology: flowering.
Mary Alice Sanguinetti, 468. 7/15/1978.

U.S.A., Wyoming, Campbell County:
Grassy hills with canyons. Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 473. 7/15/1978.

U.S.A., Wyoming, Campbell County:
Grassy hills. Phenology: flowering.
Mary Alice Sanguinetti, 346. 7/11/1978.

Grassy plains with rock outcroppings. Phenology: flowering & fruiting.

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

Grassy hills. Phenology: fruiting.

Hills with pines. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Lander Field Station: above the cliffs, near the road.

U.S.A., Wyoming, Fremont County: Red Canyon.
Phenology: fruiting.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 1.5 mi E on Gulch or County Road 28, N of Westcliffe.
By a small spring; pinyon-juniper, lower end for ponderosa; riparian. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 3.5 air mi NW of Campo.
Pasture with large population of Coreopsis. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
Bernadette Kuhn, 731. 6/7/2007.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 10.5 air mi SW of Springfield.
Shortgrass prairie dominated by Bromus japonicus and Elymus sp. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.

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.
Annotated by Bernadette Kuhn.
with Bernadette Kuhn, Laura E. Lukas

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2.6 mi on County Road 15, S of Florence.
By creek on roadside; prairie-pinyon-juniper transition; riparian. Phenology: flowering & fruiting.

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.
Decomposed granite and cobbles. 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.
Sagebrush on redbeds and soil derived from them. Phenology: flowering.
with Emily Elliott, Brian Elliott

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: off U.S. Hwy 50 between Texas Creek and Canon City; on Iron Mountain Road, ca 2 mi from Copper Gulch Road.
Open pinyon-juniper; meadow. Phenology: flowering & fruiting.
with Kenneth Elliott

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Greenhorn Road just S of Colo Hwy 165 over Greenhorn Creek.
By bridge; oak-pinyon and riparian. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: off U.S. Hwy 50 between Texas Creek and Canon City on Copper Gulch Road, just S of Sunset City.
By spring along streambed; riparian and pinyon-juniper. Phenology: flowering & fruiting.
with Kenneth Elliott

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 ridge with sandstone outcrops with sagebrush and saltbush. Phenology: flowering.
with Brian Elliott, B. E. Nelson

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on Colo Hwy 96, E of Wetmore, just over the county line.
Prairie after steep grade. Phenology: flowering & fruiting.
with Kenneth Elliott

U.S.A., Colorado, Saguache County: [location and coordinates withheld]
Riparian and pinyon-juniper. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: at Exit 42 on I-25.
Grassland. Phenology: flowering & fruiting.

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: fruiting.

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.
Sandstone and Chugwater redbeds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Slope of a pine covered point with clay and igneous rock. Phenology: flowering.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 8.5 road mi on Oak Creek Grade Road from Colo Hwy 96.
Along dry stream bed and slopes; dry, sandy soil; dominant species: ponderosa, grasses, Castilleja, and Lupinus. Phenology: flowering & fruiting.
Annotated by Brian Elliott.
with Brian Jacobs and Alex Morgan

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2.5 road mi on County Road 1 from County Road 28.
Dry, sandy soil; dominant species: pinyon and Chrysothamnus. Phenology: flowering & fruiting.
with Brian Jacobs and Alex Morgan

U.S.A., New Mexico, Union County: Kiowa National Grassland: Forest Road K81, 14 air mi NNE of Clayton.
Steppe, sandy soil. Phenology: flowering & fruiting.
Michael Schiebout, 6900. 6/29/2005.

U.S.A., New Mexico, Union County: Bebb Ranch: 6 1/2 mi W of NM Hwy 402 on NM Hwy 562.
Shandy and hilly shortgrass prairie. Phenology: flowering.
Michael Schiebout, 983. 7/13/2004.

U.S.A., New Mexico, Union County: Kiowa National Grassland: Forest Road K34, 3 1/5 air mi SW of Textline.
Shortgrass prairie, sandy soil. Phenology: flowering & fruiting.
Michael Schiebout, 530. 7/7/2004.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: north edge of Colorado City on Crow Cut-off at Scroggs Arroyo.
Roadcut and undisturbed areas along highway; grasslands with scattered Pinus edulis, Juniperus monosperma, Prunus, Rhus, and Symphoricarpos. Phenology: flowering & fruiting.
Annotated by Brian Elliott.
with Brian Elliott

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. Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B. L. Turner.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 78, ca 11 air mi SW of Pueblo (city center).
Calcareous roadcut in grassland. Phenology: flowering.
Annotated by Brian Elliott.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.5 air mi NW of Williamsburg (city center).
Grassland and pinyon-juniper. Phenology: flowering.
with Brian Elliott

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Temple Canyon Road, ca 3.5 air mi SW of Canon City (city center).
Rocky slopes and grasslands. Phenology: flowering & fruiting.
with Brian Elliott

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: Oak Creek Grade Road (County Road 255), ca 5 road mi NE of Silvercliff.
Oak-pinyon and grassland. Phenology: flowering & fruiting.
with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: Bear Gulch at Grape Creek.
Rocky slopes with oak and pinyon and area along creek. Phenology: flowering & fruiting.
with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.5-1 air mi ENE to NE of Gardner Butte.
Grassland with areas of pinyon pine. Phenology: flowering & fruiting.
with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan

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 & fruiting.

U.S.A., Montana, Teton County: Front Range: south bank of Pishkun Canal at first bridge, ca 3 air mi NE of diversion from the Sun River.
Open rock meadow, scattered Pinus flexilis; southwest aspect; 0-5% slope. Phenology: flowering.
1. Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B. L. Turner.

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: north end of Trinidad along I-25.
Grassland with scattered thickets of pinyon-juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: abandoned rest area on I-25 near Muddy and Greenhorn creeks.
Grassland, weedy areas, and pinyon-oak-juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sheep Mountain Overlook, ca 1.5 air mi NW of Badito on Colo Hwy 69.
Grassland and pinyon-juniper. Phenology: flowering & fruiting.

Rocky sagebrush-grassland leading into canyon of badlands; greasewood common. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: near the head of Schleichart Draw ca 0.5 air mi W of Riley Pass, ca 18 air mi N of Buffalo.
In thin soil over sandstone pavement and thin Uranium bearing bed above sandstone cliffs. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: East Short Pine Hills: along a draw leading into Ward Gulch and to Spring No. 1, ca 17 air mi SW of Buffalo.
Open grass-forb ridge-top in a ponderosa pine forest. Phenology: fruiting.

U.S.A., Colorado, Saguache County: La Garita Mountains: Hodding Creek, ca 2-2.5 road mi SW of Colo Hwy 114, ca 12 air mi W of Saguache.
Conifer forests, slopes to rock outcrop and stream bottom. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: S of SD Hwy 20 ca 3.5 air mi ESE of Jumpoff Divide, ca 9.5 air mi W of Buffalo.
Grass-dominated open, rolling grazing land. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Ca 2.5 air mi N of SD Hwy 20, ca 4.5 air mi NE of Camp Crook near Johnson Butte.
Grass-dominated open, rolling grazing land. Phenology: flowering.

U.S.A., Montana, Powder River County: S of U.S. Hwy 212 and E of Titus Creek, ca 22.5 air mi ESE of Ashland.
Grass-dominated grazing land interspersed with badlands. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Chalk Buttes: at Trenk Pass, within ca 0.5 air mi NW of Forest Road 3816, ca 12.5 air mi SW of Ekalaka.
At and near base of chalky cliff face. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: On the west side of The Jumpoff, ca 1 air mi E of County Road 897 and ca 3 air mi S of SD Hwy 20, ca 7.5 air mi ESE of Camp Crook.
Badlands. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in and around draws SE of junction of North Divide or Forest Road 3125 and Forest Road 3145 in the vicinity of Camp Spring, ca 4.5 air mi S of Reva Gap, ca 19 air mi ESE of Buffalo.
Steep, grass-dominated hillside with chalky soils. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Ca 0.5 air mi E of Mont Hwy 484 or Otter Creek Road, ca 6.5 air mi N of Fort Howes and ca 15 air mi SSE of Ashland.
Grass-dominated grazing land. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: South Cave Hills: in and around McKenzie Gulch, S of Forest Road 3113, ca 10 air mi N of Buffalo.
Southwest-facing rocky, grass dominated slope. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: in a tributary of Schleichart Draw above Schleichart Draw Reservoir, W of Forest Road 3130, ca 17 air mi NNE of Buffalo.
Grass-dominated butte top. Phenology: flowering & fruiting.
with G. Gust

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: E of Gas Hills or County Road 212, ca 10.5 air mi SW of Waltman.
Badlands bordered by sagebrush-grassland and northeast-facing slope of scattered limber pine. Phenology: flowering & fruiting.

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, Converse County: Near junction of Ross Road & Jenne Trail Road.
Sandstone outcrop, with Cirsium, Artemisia frigida. Flower color yellow. Phenology: flowering.

U.S.A., Montana, Powder River County: To ca 1.5 air mi NW of Moorehead Road, ca 4.5 air mi WSW of Broadus.
Grass and sagebrush-dominated grazing land with scattered badlands. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: E of Moorehead Road near the Powder River, ca 9 air mi SW of Broadus.
Grass and sagebrush-dominated grazing land interspersed with badlands. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Ca 1 air mi N of Belle Creek Road, ca 4 air mi E of its junction with Mont Hwy 59, ca 19 air mi SSE of Broadus.
Grass and sagebrush-dominated grazing land with some moist draws and scattered small areas of badlands. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Along Powderville Road East in vicinity of Oliphant Butte, ca 31-33 air mi WSW of Ekalaka.
Mixed badlands and grass and sagebrush-dominated grazing land with Sarcobatus, Achnatherum hymenoides, Bromus, and Atriplex. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of Griffin Pass, E of Forest Road 4431, ca 21.5 air mi ENE of Ashland.
Southwest-facing rocky and clayey slope with Phacelia, Cryptantha, Penstemon, Solidago, and Ericameria. Phenology: flowering & fruiting.
Accession: 885724, Barcode: USFS0055283

U.S.A., Montana, Powder River County: In the vicinity of unnamed reservoir on Flood Creek, ca 0.5 air mi E of Moorehead Road, ca 15 air mi SW of Broadus.
Grass and sagebrush-dominated grazing land with scattered badlands and gravelly slopes. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in the vicinity of Road Draw Spring No. 2, SE of JB Pass, E of Forest Road 3148, ca 20 air mi SE of Buffalo.
Exposed hilltop with Dalea, Opuntia, Bouteloua, Rhus, and Andropogon; rocky substrate. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Just S of Powderville Road, ca 2.5 air mi E of Powder River County, ca 20 air mi WSW of Ekalaka.
Badlands. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: N of Mont Hwy 248 ca 2.5-3 air mi S of the West Fork Poplar River, ca 11 air mi E of Opheim.
Grassland with swales and slopes of small cobblestones. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Phillips County: Edge of the breaks above Rotator Cup and Lark reservoirs, ca 54 air mi SW of Malta.
Rough breaks and adjacent sagebrush-grassland above. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: On ridge between Lena Coulee and Cut Throat Coulee on the Timber Creek Trail, ca 40 air mi SW of Glasgow.
Sandy flats and butte with sandstone outcrops and boulders. Phenology: flowering & fruiting.
with Joseph L. M. Charboneau

U.S.A., Montana, Phillips County: Along Harb Road in the head region of the "East Fork" Moss Coulee, ca 15.5 air mi SSW of Saco; ca 23.5 air mi ESE of Malta.
Sedge-grassland with fringed sage and scattered patches of silver sagebrush and stony knolls. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Along North Forks Road, ca 11 air mi NE of Whitewater; ca 36 air mi NNE of Malta.
Gravelly roadside. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: On ridge between Duck Creek and Upper Eighth Coulee along Road 329, ca 1.5 air mi NW of Graveyard Hill, ca 26.5 mi SW of Fort Peck.
Sandy hillside with sandstone outcrops. Phenology: flowering.
Joseph L. M. Charboneau, 49. 6/15/2010.

U.S.A., Montana, Valley County: On Larb Creek Road, ca 3 air mi N of Dead Mans Hill, ca 18.5 air mi SSW of Hinsdale.
Rocky hilltops with sandy to loamy soil. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 190. 6/21/2010.

U.S.A., Montana, Valley County: On Ridge Road, on ridge above Tony Coulee, ca 2.5 air mi SW of Finn Reservoir, ca 36 air mi SW of Glasgow.
Sandy sagebrush-grasslands. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 427. 6/24/2010.

U.S.A., Montana, Phillips County: On North Frenchman Road, on ridge above Steelman Coulee, ca 8.5 air mi NE of Gray Reservoir, ca 37.5 air mi N of Saco; ca 51 air mi NNE of Malta.
Dry hilltops. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: On Border Road, in the vicinity of a natural gas pipeline compression station, ca 1/4 air mi W of Whitewater Reservoir, ca 6 air mi NNW of Whitewater; ca 28 air mi NNE of Malta.
Grasslands on loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: W of U.S. Hwy 191, in the vicinity of Whitewater Creek, ca 3 air mi SSW of Morgan Port of Entry, ca 12.5 air mi N of Loring.
Sandy sagebrush-grasslands and hillsides. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: W of U.S. Hwy 191 on Fanny Hill, ca 2 air mi NNW of the confluence of Cottonwood Creek and the Milk River, ca 16 air mi NNE of Malta.
Grasslands on sandy flats. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Larb Hills (North): W of South Bench Road, Tank Coulee and ridge above it, ca 4 air mi ENE of Ashford Spring, ca 2 air mi SSW of Hinsdale; 25 air mi NW of Glasgow.
Sagebrush-grasslands on loamy to sandy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: E of Harb Road, in Guston Coulee and on ridge to the N, ca 4.5 air mi SW of Regal Springs, ca 17 air mi ESE of Malta.
Hillsides. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: N of Willow Creek Road, in unnamed tributary of Barber Coulee and ridge to the W, ca 1.5 air mi SE of Wagner Spring, ca 36 air mi SW of Glasgow.
On sandstone-based ridge. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Rock Creek Canyon, ca 5.5 air mi NW of Abey Reservoir, ca 14 air mi NNE of Hinsdale; ca 32 air mi NW of Glasgow.
Sandy hillsides. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: N of Montana Youth Ranch Road, in Clark Coulee, ca 2 air mi SSW of Hanson Reservoir, ca 18 air mi NNW of Saco; ca 27 air mi NNE of Malta.
Grasslands on sandy to loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: at the end of Winter Ridge Road above and W of Winter Creek, ca 15 air mi SW of Hays; ca 61 air mi SW of Malta.
Sandy grassland flats and hilltops. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: along Winter Ridge Road ca 2.5 air mi SW of Saskatchewan Butte, ca 60 air mi SW of Malta.
Sandy ridgetop with sandstone outcrops and sagebrush-grasslands. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: on Fourth Ridge, vicinity of Refuge Road 333, ca 2 air mi ESE of Berger Reservoir, ca 14 air mi SW of Fort Peck; ca 25 air mi S of Glasgow.
Steep hillslopes and ridgetop on loamy to sandy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: East slope Pryor Mountains: Layout Creek.
15% slope; slopes at mouth of side canyon; grassland on limestone gravel slopes. Scattered Juniperus osteosperma, Pseudotsuga menziesii, Hymenoxys acaulis, Krascheninnikovia lanata, and Arenaria hookeri. Phenology: flowering.

U.S.A., Montana, Teton County: Deep Creek Canyon.

U.S.A., Montana, Stillwater County: Miller Butte: 4.5 mi NW of Park City
Shale ridge. Phenology: flowering.

U.S.A., Montana, Cascade County: Great Falls.
Dry ridges. Phenology: flowering.

U.S.A., Montana, Musselshell County: 25 mi S of Roundup.
Stipa-Agropyron-Artemisia vegetation. Phenology: flowering.

U.S.A., North Dakota, Billings County: Medora.

U.S.A., North Dakota, Williams County: Williston.

U.S.A., Nebraska, Cherry County: Merriman.

U.S.A., Nebraska, Kimball County: 8 mi SW of Bushnell.
On chalky outcrop with Calylophus, Eriogonum alatum. Petals corolla yellow. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Munro Canyon, N of Harrison.

U.S.A., Nebraska, Scotts Bluff County: N of Mitchel.

U.S.A., Nebraska, Sheridan County: Metcalf Public Hunting Grounds, 18 mi N of Hay Springs.
On open ridges and Pinus ponderosa forest. Phenology: flowering.

U.S.A., Nebraska, Dawes County: S of Chadron.

U.S.A., Nebraska, Scotts Bluff County: Carter Canyon Road.
In silty bank with Astragalus, Townsendia. Phenology: flowering.

U.S.A., Montana, Valley County: Larb Hills (North): along South Bench Road, E of Tank Coulee, ca 1-1.5 air mi S of Hinsdale.
Rough breaks. Phenology: flowering.

U.S.A., Montana, Valley County: Along Willow Creek Road above and E of Barber Coulee, ca 36 air mi SW of Glasgow.
Sandy top of the butte and adjacent clay slopes with scattered vegetation. Phenology: flowering.

U.S.A., Montana, Valley County: Along Harper Ridge Road above and N of Carpenter Creek at the north boundary of Charles M. Russell National Wildlife Refuge, ca 40 air mi SW of Glasgow.
Clay or sandy clay slopes in rough breaks capped with sandstone. Phenology: flowering.

U.S.A., Montana, Phillips County: Larb Hills (North): above and S of Old U.S. Hwy 2 and BNSF tracks, ca 5.5 air mi W of Saco; ca air mi ENE of Malta.
Rough breaks with clay slopes, swales, and drainage channels. Phenology: flowering.

U.S.A., Montana, Valley County: At the end of the Montfort Road 2.5-3 air mi S of Vandalia; ca 10 air mi SE of Hinsdale.
Open stony slopes. Phenology: flowering.

U.S.A., Montana, Phillips County: At the intersection of U.S. Hwy 191 and Sunnyslope Road, ca 2 air mi N of Loring; ca 32 air mi N of Malta.
Rolling plains grassland with stony knolls and swales. Phenology: flowering.

U.S.A., Montana, Phillips County: Hills E of Chapman above Woody Island Coulee, ca 38 air mi NNW of Malta.
Stony bluffs, flats above, and swales. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Ridge W of Frenchman Creek, N of Frenchman Road, ca 1/4 air mi SW of Frenchman Reservoir, ca 22.5 air mi NNW of Hinsdale; ca 45 air mi NW of Glasgow.
Silty-sandy badlands hillslopes. Phenology: flowering.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: unnamed butte S of Refuge Road 844, ca 1.5 air mi NW of Schuyler Butte, ca 45.5 air mi ESE of Zortman; ca 48.5 air mi SSE of Malta.
Silty sand hilltop. Phenology: flowering.

U.S.A., Montana, Valley County: Larb Hills (North): S of Beaver Creek, ca 4.5 air mi NNW of Ashford Spring, ca 6.5 air mi WNW of Hinsdale; ca 31.5 air mi NW of Glasgow.
Hilltops with sandy soil and sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Larb Hills (North): N of Cottonwood Creek, ca 4 air mi S of Bauer Reservoir, ca 13 air mi SW of Saco; ca 17.5 air mi ESE of Malta.
Hilltops with sandy soil and sandstone outcrops. Phenology: flowering.

U.S.A., Montana, Phillips County: Larb Hills (North): E of Lower Harb Road, ca 1.5 air mi E of Beaver Creek, ca 15 air mi SW of Saco; ca 15.5 air mi ESE of Malta.
Sandy hilltops. Phenology: flowering.

U.S.A., Montana, Phillips County: N of Cottonwood Creek, ca 9.5 air mi WNW of Fanny Hill, ca 27 air mi WSW of Whitewater; ca 27 air mi NNW of Malta.
Sandy to loamy hillsides and hilltops. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Opheim Hills: Slaughter Coulee, ca 6.5 air mi NNE of Pikes Peak, ca 6.5 air mi WNW of Opheim; ca 48 air mi NNE of Glasgow.
Loamy to sandy hilltops. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Matador Ranch: Coburn Butte and prairie to the E, ca 8.5 air mi WSW of Veseth Reservoir, ca 8.5 air mi ESE of Zortman; ca 40 air mi SSW of Malta.
Grasslands at base of butte with sandy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Seventh Ridge, ca 4.5 air mi NE of Graveyard Hill, ca 22 air mi SW of Fort Peck; ca 27 air mi SSW of Glasgow.
Sandstone-based ridge. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: Middle Eighth Ridge, ca 2.5 air mi ENE of Graveyard Hill, ca 24 air mi SW of Fort Peck; ca 30 air mi SSW of Glasgow.
Loamy hilltops. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Sand Hills: ca 3.5 air mi SSE of Silver Peak, ca 5.5 air mi SSW of Zortman; ca 49 air mi SW of Malta.
Sandstone ridge with occasional ponderosa pine, juniper, and big sagebrush. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: Mickey Butte, ca 4 air mi ENE of Dry Lake, ca 43 air mi ESE of Zortman; ca 54.5 air mi S of Malta.
Sides of sandstone butte. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Little Rocky Mountains: South Fork Goslin Gulch, north side of Saddle Butte, ca 2 air mi ENE of Silver Peak, ca 1.5 air mi SW of Zortman; ca 46 air mi SW of Malta.
Open ponderosa pine woodland on south-facing slope. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Kaminsky Hill and area to the N, ca 3.5 air mi N of the West Fork Poplar River, ca 12.5 air mi NE of Opheim; ca 57 air mi NNE of Glasgow.
Sandy hilltops. Phenology: flowering.
with Josh Lamp

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: fruiting.
Accession: USFS (unaccessioned), Barcode: USFS0048495

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: Sage Creek Campground and vicinity on Sage Creek, ca 19 air mi ESE of Bridger.
Southerly-facing slope with Elymus spicatus and occasional limber pine and juniper on limestone. Phenology: flowering.
Accession: (unaccessioned), Barcode: USFS0047530

U.S.A., Montana, Madison County: Ruby Range: hill above Sweetwater Creek, ca 10.5 air mi SSW of Ruby River Reservoir, ca 28 air mi S of Sheridan.
Volcanic rock outcrops on a low butte. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Ashbough Canyon, ca 4.5 air mi E of I-15, ca 29 air mi S of Dillon; ca 25 air mi NW of Monida.
Barren, rocky, reddish, gravel-covered slopes with Cerrocarpus ledifolius. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: northwest end of range S of Dry Creek Road, ca 17.8 air mi SW of Waltman.
Red chalky knoll. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Blacktail Mountains: Long Gulch, ca 9.5-10 air mi SW of Dillon, ca 10 air mi NE of Clark Canyon Dam.
Barren slopes with ashy, gray, soil. Phenology: flowering.

U.S.A., Montana, Carter County: Custer National Forest: Chalk Buttes: at Trenk Pass, within ca 0.5 air mi NW of Forest Road 3816, ca 12.5 air mi SW of Ekalaka.
At and near base of chalky cliff face. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0050525

U.S.A., Montana, Sheridan County: Ca 1 mi S of Comertown.
48° 52.8' N, 104° 15.2' W; unknown, , Specimen Label
Gravelly ridge in grassland, with Eriogonum and Rosa. Flowers yellow. Phenology: flowering.

U.S.A., Montana, Madison County: Tobacco Root Mountains: Brownback Gulch, ca 3 air mi NE of Brownback Mountain, ca 11.5 air mi SE of Whitehall.
Dry, south-facing grassland slopes with occasional Pseudotsuga, Pinus flexilis, and Juniperus scopulorum. Phenology: flowering.
1. Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B. L. Turner.

U.S.A., Wyoming, Goshen County: Ca 5.5 mi N of Ft. Laramie.
42° 17' N, 104° 31.3' W; unknown, , Specimen Label
Sandy outcrop, with Astragalus sericoleucus and Tetraneuris acaulis. Flowers yellow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Ca 12 mi SE of Wheatland, Dickinson Hill Road.
41° 58.6' N, 104° 43.3' W; unknown, , Specimen Label
Rocky slope, with Artemsia ludoviciana and Rhus aromatica. Flowers yellow. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Sage Creek Hills: Spring Gulch, ca 4 air mi NE of Dell, ca 17 air mi SE of Clark Canyon Reservoir.
Rocky, sparsely vegetated grasslands with occasional Artemisia tridentata and Cercocarpus ledifolius. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Beaverhead Valley: Henneberry Gulch, ca 13 air mi SW of Dillon, ca 4 air mi NW of Gallagher Mountain.
Rocky sagebrush steppe on steep, south-facing slopes. Phenology: flowering.

U.S.A., Montana, Madison County: Snowcrest Range: Ledford Creek, ca 16-18 air mi S of Ruby River Reservoir, ca 30 air mi SE of Dillon.
Dry, south-facing grasslands on a limestone outcrop. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Blacktail Mountains: Weston Canyon, ca 11-12 air mi S of Dillon, ca 1-4 air mi N of Ashbough Peak.
Shortgrass prairie on flats in a valley bottom. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Foothills of the Snowcrest Range: Blacktail State Wildlife Management Area: East Fork Blacktail Deer Creek, ca 10 air mi NW of Antone Peak, ca 27 air mi SE of Dillon.
Badlands of eroding gray sandstone. Phenology: flowering.

U.S.A., South Dakota, Custer County: Hermosa.
Red foothills; grass association; xero-mesophytic. Phenology: flowering.

U.S.A., Wyoming, Crook County: Beulah.
Northern foothills and red beds; grass association; xerophytic. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Ca 14 mi SE of Gillette.
Clay outcrop, with Artemisia frigida and Astragalus spatulatus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: drainage 240 m E of Emigrant Hill Road, 1.8 km SSE of Range Guard 1.
513660E, 4701002N; unknown, GPS reading
Level to sloped; pine-juniper woodland in drainage; limestone cobbles/silty loam with occasion limestone outcrop; with Pinus ponderosa, Juniperus scopulorum, Yucca glauca, Artemisia frigida, Opuntia polyacantha, Tetraneuris acaulis, Bouteloua gracilis, Aristida purpura var. fendleriana. Scattered; erect, taprooted, perennial herb; 3 dm tall: disk yellow. Phenology: flowering.
Nancy E. Hastings, 6. 6/20/2012.

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 1.9 km WSW of Register Cliff Historical Monument, ca 1.6 km S of North Platte River.
Cliffs and ravines; grassland to intermittent stream; limestone cap and loam; with Juniperus scopulorum, Oenothera albicaulis, Koeleria macrantha, Penstemon erianthus var. erianthus, Bromus, and Poa spp. Infrequent; erect, taprooted, perennial herb; 15-20 cm tall; disk yellow. Phenology: flowering & fruiting.
Patricia P. Douglas, 237. 6/15/1995.
with Carlos A. Popolizio, Rosalie M. Smith

U.S.A., Wyoming, Platte County: Camp Guernsey: Osburn Ranch parcel; north end of transect ca 4.3 km NE of North Platte River, ca 9.9 km NW of Range Control.
South-facing slope; pine/juniper open woodland; silty loam; with Pinus ponderosa, Juniperus scopulorum, Artemisia nova, Bouteloua curtipendula, Hesperostipa comata, Schizachyrium scoparium. Scattered; erect, perennial herb; 4 dm tall; disk yellow. Phenology: flowering.
with P. Block

U.S.A., Wyoming, Platte County: Camp Guernsey: Sawmill Canyon on Osburn Ranch parcel; ca 2.7 km due E of North Platte River, ca 9.4 km NW of Range Control.
zone UTM, 509786E, 4692767N; unknown, GPS reading
Rolling; disturbed roadside; silty loam; with Artemisia cana, Bromus tectorum, Verbena bracteata, Polygonum aviculare, Lappula redowskii. Infrequent; ascending to erect, perennial herb; 2.5 dm tall. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: near County Road 211, ca 6.6 air mi SW of Powder River townsite.
Badlands; sagebrush and saltbush common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Ca 5.5 mi N of Reno Junction and 1 mi E of Wyo Hwy 87.
T45N R71W
In unstable sand of south facing flank of a butte. Common. Phenology: flowering.

U.S.A., Colorado, Pueblo County: [location and coordinates withheld]
Limy area with caprock; pinyon-juniper. Phenology: flowering.
Annotated by Timothy W. Chumley.
with Timothy W. Chumley

Barren substrate; red sandy draw and chalky knolls. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Texas Creek Gulch off Table Mountain or County Road 217A, ca 3 air mi NNW of town of Texas Creek.
In pinyon-juniper on rocky-gravelly granitic slopes. Phenology: flowering.
with Irene Thien

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: The Banks/Red Canyon: in vicinity of the BLM Banks Campground, off a BLM road ca 1 air mi from intersection with County Road 9, ca 10 air mi N of Canon City.
Along canyon rim in pinyon-juniper. Phenology: flowering.

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, 663. 6/6/1995.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sixmile Park: from Indian Springs Campground N along a tributary of Sixmile Creek, following an old road; ca 6 air mi NW of Canon City.
Sandstone slopes and sandy washes. Phenology: flowering.