Elymus cinereus (1988)
POACEAE
Elymus cinereus Scribn. & Merr.
U.S.A., Wyoming, Park County: Southwestern Absarokas: along Hardpan Creek, ca 24.5 air mi SW of Cody.
Streamside.
Accession: (unaccessioned)

Elymus cinereus (1996)
POACEAE
Elymus cinereus Scribn. & Merr.
U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Clearwater Creek, ca 27 air mi W of Cody.
Elev. 6700 ft.
Stream bottom and adjacent forest. Phenology: flowering.
David Rosenthal, 86. 7/24/1996.
Accession: USFS 852849, Barcode: USFS0036732

Elymus cinereus (1996)
POACEAE
Elymus cinereus Scribn. & Merr.
U.S.A., Wyoming, Park County: Northern Absaroka Area: Wapiti Ridge Area: Houlihan Creek and ridge to southwest.
Rocky, dry stream bottom or wet above, and sandstone outcrops. Phenology: flowering.
Annotations:
1. Elymus cinereus Scribn. & Merr.
Annotated by David Rosenthal.
with David Rosenthal
Accession: USFS 852850, Barcode: USFS0036733

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Twentymile or County Road 605 on Hogback Ridge, ca 10.5 air mi SW of Rawlins; ca 4 air mi N of Separation Peak.
Sandy-clay areas with sandstone-mudstone ridges and outcrops. Phenology: flowering.
Annotations:
1. Elymus cinereus Scribn. & Merr.
Annotated by Amy J. Roderick.
with Amy J. Roderick
Accession: RM (unaccessioned)

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.
Accession: USFS 855368, Barcode: USFS0041156

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: ca 14 air mi W of town of Wapiti on U.S. Hwy 14, 16, & 20 and intersection with Moss Creek, up creek from road.
Riparian woodland along stream with scattered sagebrush grading into mixed conifer forest; volcanic substrate. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail, ca 28 air mi SW of Cody.
Sagebrush shubland, also dry drainages with pine and juniper woodlands. Phenology: flowering.

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

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: major tributary of Third Sand Creek S of Second Sand Creek, ca 6 air mi NNE of Elk Mountain (town); ca 12 air mi SE of Hanna.
Bottom and banks of steep draw. Phenology: flowering.
Annotations:
1. Elymus cinereus Scribn. & Merr.
Annotated by Amy J. Roderick.
with Amy J. Roderick
Accession: RM (unaccessioned)

U.S.A., Wyoming, Park County: Northern Absaroka Area: east side of Sheep Mountain, ca 8 air mi SW of top of Cedar Mountain.
Eroded shales and sandstones with wet spots. Phenology: flowering.
Annotated by David Rosenthal.
with Jim Fowler

U.S.A., Wyoming, Park County: Northern Absaroka Area: Cabin Creek.
Stream bottom and adjacent hills. Phenology: flowering.
Annotated by David Rosenthal.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Third Sand Creek and ridge to the S, ca 2-2.5 air mi E of Saddleback Hills; ca 11.5-12 air mi SE of Hanna; ca 4.5 air mi NNE of Elk Mountain (town).
Moist areas with thickets of Amelanchier, Prunus, and Symphoricarpos among coal beds. Phenology: flowering.
Annotated by Amy J. Roderick.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Park County: Northern Absaroka Area: Legg Creek area along the South Fork Shoshone River, South Fork Road, ca 1.8 air mi SW of Hunter Creek Road turnoff.
Along stream and alluvial fan and disturbed areas. Phenology: flowering.

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Phillips Creek near bentonite mine, on dirt road ca 2 mi W of County Road 31, ca 23 air mi NNE of Glenrock; ca 34 air mi NNW of Douglas.
Sagebrush/grassland. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: canyon just W of The Palisades, ca 1/8-1/4 mi N of U.S. Hwy 14, 16, & 20.
In dry, rocky, mostly open Douglas fir forest. Phenology: flowering & fruiting.
Accession: RM 726297, Barcode: RM0037004

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along north side of North Fork Shoshone River, ca 1/8 mi W of Newton Creek Campground.
Elev. 6200 ft.
Disturbed riparian community along river. Phenology: flowering & fruiting.
Accession: RM 726550, Barcode: RM0037005

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: around spring on north side of North Fork Shoshone River, ca 1 mi W of the mouth of Canyon Creek.
Elev. 5800 ft.
Wet, but well drained soil with Rosa, Juncus and Toxicodendron. Phenology: flowering & fruiting.
Accession: RM 725059, Barcode: RM0037006

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along the south side of North Fork Shoshone River, ca 1/4-1/2 mi E of Blackwater Creek.
Riparian community. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Sheep Creek, ca 0.5-1 mi S of U.S. Hwy 14, 16, & 20.
Canyon bottom in Douglas fir forest with some Engelmann spruce. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Sheep Creek, ca 2-3 mi S of U.S. Hwy 14, 16, & 20.
Open Douglas fir forest with some Engelmann spruce and dominant groundlayer species Aster conspicuus, Mahonia repens and Calamagrostis rubescens. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge immediately E of Rand Creek on northeast end of Table Mountain, ca 2 mi N of U.S. Hwy 14, 16, & 20.
Openings in Douglas fir forest, prominent species included: Festuca idahoensis, Leucopoa kingii, and Antennaria umbrinella. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Moss Creek, ca 1/2 mi N of U.S. Hwy 14, 16, & 20.
Moist-wet gravel bar/streamside dominated by Alnus incana ssp. tenuifolia and Salix bebbii. Phenology: flowering & 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 & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/8-1/4 mi N of County Road 3LE and the Greybull River; ca 5 mi NE of Wyo Hwy 120.
Gully bottom and sides in sagebrush-grassland with Elymus cinereus, Psoralea lanceolata, Rhus trilobata, Allium textile and Symphoricarpos oreophilus. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: Spanish Peaks area: ca 1/4-1/2 mi W of U.S. Highway 191 along Deer Creek Trail, ca 28 mi SSW of Bozeman.
Sagebrush-meadow, prominent species include Artemisia tridentata ssp. vaseyana, Perideridia gairdneri and Elymus cinerus. Phenology: flowering & fruiting.
Accession: RM 621170

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: Yankee Jim Canyon, on west side of Yellowstone River, ca 12 mi NW of Gardiner.
Sagebrush-grassland/Douglas fir woodland mosaic with Elymus spicatus, Stipa comata, Artemisia tridentata, and Pinus flexilis. Phenology: flowering & fruiting.
Accession: RM 739161

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: Boulder Arch Scenic Area along the Boulder River, ca 21 mi SW of Big Timber.
Openings in Dougals fir forest on limestone derived substrates with Elymus spicatus and Stipa comata. Phenology: flowering & fruiting.
Accession: RM 738966

U.S.A., Idaho, Teton County: [location and coordinates withheld]
Disturbed meadow with Arenaria congesta, Rudbeckia occidentalis, and Elymus cinereus.

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: along Papoose Creek in the foothills, ca 1 mi E of U.S. Hwy 287, 23 mi S of Cameron.
Disturbed sagebrush-grassland with Phleum pratense, Achillea millefolium, Elymus spicatus, and Helianthella uniflora. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: ca 1/2 mi W of Hammond Creek Ranger Station, 12 mi E of Ennis.
Meadow openings and edge of Douglas fir forest with Medicago lupulina, Phleum pratense, Collomia linearis, and Geranium viscosissimum. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Kaibab National Forest: Kaibab Plateau: at the junction of Forest roads 425 and 232 in Indian Hollow at the north end of Big Saddle, ca 20.5 air mi SW of Jacob Lake; ca 34 air mi S of Fredonia.
Disturbed area in and around corral. Phenology: fruiting.
with James F. Fowler

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along east side of Murphy Draw Road, ca 2.5 mi N of Wyo Hwy 431.
Saltbush-grassland with Atriplex gardneri, Xylorhiza glabriuscula, Poa secunda, and Sisymbrium altissimum. Phenology: flowering & fruiting.

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

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along Crevice Road; ca 2 mi SE of Jardine.
Sagebrush-grassland opening in Douglas fir forest with Festuca idahoensis, Koeleria macrantha, and Lomatium macrocarpum. Phenology: fruiting.

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along Pine Creek just E of Bear Creek Road, 1 mi NE of Jardine.
Sagebrush-grassland opening in coniferous forest with Balsamorhiza sagittata, Helianthella uniflora, and Artemisia tridentata var. vaseyana. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Ridge 4 mi NE of Fromberg; 1.5 mi E of U.S. Hwy 310.
Disturbed sagebrush-grassland with Agropyron spicatum, Bromus tectorum, and Alyssum alyssoides. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Ridge and draw immediately E of the Yellowstone River, ca 2.5 mi S of Livingston.
T2S R9E S36
Grassland with some scattered limber pine and Douglas fir. Phenology: flowering & fruiting.

U.S.A., Idaho, Fremont County: Island Park Plateau: Targhee National Forest: Warm River Campground, 8 mi NE of Ashton.
T9N R44E S7
Dry, disturbed areas around path and roadways N of river with Ipomopsis aggregata, Bromus tectorum, and Collomia linearis. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: Gallatin Canyon, along Portal Creek Road, 1/8 mi E of U.S. Hwy 191, ca 30 mi SSW of Bozeman.
T6S R4E S13
Opening in Douglas fir forest. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Along the bottom of Hollenbeck Draw, 1/4 mi E of Mont Hwy 72, 5 mi S of Belfry.
T9S R22E S9
Dry creek bottom and adjacent shrub steppe with Artemisia tridentata var. tridentata, Elaeagnus angustifolia, Halogeton glomeratus, and Euphorbia glyptosperma. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Gallatin National Forest: along the north side of Yellowstone River just west of Bear Creek, 2 mi E of Gardiner.
Open, vernally moist sinter in thermal area with Eleocharis rostellata, Deschampsia cespitosa, and Sporobolus airoides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Torrey Creek Trailhead at end of road, 8 mi SSE of Dubois.
Disturbed sagebrush grassland with scattered limber pine and with Artemisia tridentata var. vaseyana, Agropyron spicatum, and Eriogonum brevicaule. Phenology: fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Middle Park: ca 0.5-1 mi N of U.S. Hwy 40 on Kinney Creek Road, 3 air mi NE of Hot Sulphur Springs.
Roadside and open sagebrush. Phenology: flowering & fruiting.
with Michael Foley

U.S.A., Colorado, Grand County: Middle Park: Corral Creek, ca 11 air mi E of Kremmling and ca 4 air mi W of Hot Sulphur Springs.
Disturbed area along creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Rabbit Ears Range: Lindsey Creek to Grannys Nightcap, ca 18.5 air mi NNW of Kremmling and ca 23 air mi SE of Steamboat Springs.
Along creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Middle Park: Muddy Creek, ca 1 air mi NE of Kremmling and ca 2.5 air mi SE of Wolford Mountain.
Along creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Gore Range: ca 8 air mi SW of Kremmling off County Road 1or Trough Road, ca 8.5 mi S of the junction of County Road 1 and Colo Hwy 9, along the Colorado River.
Along the river. Phenology: fruiting.

U.S.A., Colorado, Grand County: Rabbit Ears Range: Antelope Creek, ca 12.5 air mi NNE of Kremmling and ca 18.5 air mi NW of Hot Sulphur Springs.
Roadside. Phenology: flowering.
with Tony Sloan

U.S.A., Colorado, Grand County: Middle Park: Corral Creek, ca 1.5 air mi NNW of Parshall and ca 4 air mi W of Hot Sulphur Springs.
Roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Chokecherry Knob E of Wyo Hwy 71, ca 8.5 air mi S of Rawlins.
Sagebrush draw leading into a dense thicket of chokecherry, serviceberry, willow, and other shrubs. Phenology: flowering.

U.S.A., Colorado, Grand County: Middle Park: Sulphur Gulch, ca 6 air mi WNW of Kremmling and ca 9 air mi W of Hot Sulphur Springs.
Gulch. Phenology: flowering.

U.S.A., Colorado, Grand County: Gore Range: Inspiration Point, ca 6.5 air mi SW of Kremmling and ca 5.5 air mi NE of Radium.
Disturbed area through mixed coniferous woodland. Phenology: flowering.

U.S.A., Colorado, Grand County: Middle Park: Junction Butte Wetland Project along Colorado River, ca 1.5 air mi ESE of Kremmling and ca 9.5 air mi W of Parshall.
Along river. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Hogback Lake and vicinity, ca 5.5 air mi SW of Rawlins; ca 6 air mi SE of Chokecherry Knob.
West-facing hill sloping down to lake; grasses dominant on slope, sagebrush and Sarcobatus in drainages; dry, fine soil with gravel. Phenology: fruiting.
Annotated by Stuart Markow.
Accession: (unaccessioned)

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Scotty Canyon along Atlantic Rim, ca 17 air mi SW of Rawlins; ca 11 air mi WSW of Chokecherry Knob.
Open creek bottom; dense graminoids dominant, forbs diverse; moist, compact, peat soil. Phenology: flowering.
Annotated by Stuart Markow.
Accession: (unaccessioned)

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: base and slopes of sandstone rim by Separation Creek, ca 16.5 air mi SW of Rawlins; ca 14 air mi SE of Creston Junction.
Narrow, shaded drainage with steep sloughing sides; sagebrush and tall graminoids dominant. Phenology: flowering.
Annotated by Stuart Markow.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Table Mountain and vicinity, ca 17 air mi SE of Lamont; ca 9 air mi SW of Bradley Peak.
Dry, rocky, steep northeast-facing slope with stratified outcrops; partially vegetated; dry, rocky soil. No b number, insufficent material. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: spring and adjacent slopes on Steamboat Mountain, ca 5 air mi NNE of North Table Mountain; ca 11 air mi NW of Black Rock.
Spring and surrounding slope on east-facing hill; dense graminoids dominant in spring, low sagebrush dominant on edge; wet, organic soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: slope and base of South Table Mountain, ca 3 air mi SSW of Steamboat Mountain; ca 8 air mi NW of Spring Butte.
Base and lower slope of volcanic neck; sagebrush dominant; dry, sandy soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: along the face of Wamsutter Rim, ca 5 air mi SW of Wamsutter; ca 7 air mi E of Red Desert.
Moist areas along east-facing slope, such as areas of late snow melt and shaded parts of wash. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: dammed pond, associated drainages, and nearby slopes, ca 6.5 air mi N of Buffalo Basin Oil Field; ca 11.5 air mi S of Sweetwater Station.
Drainages around pond; dense, grazed graminoids, scattered forbs; moist, dark, soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Smith Draw, ca 5.5 air mi SE of Rawlins; ca 6 air mi SSW of Sinclair.
Draw dominated by graminoids. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Steamboat Mountain, ca 6.5 air mi WNW of Greasewood Wash; ca 13.5 air mi N of Superior.
41° 58' 58" N, 108° 57' 43" W; uncertainty 1 m., Digital Map
Small open spring on north-facing slope, recently burned over; sagebrush and lupine dominant colonizers; moist soil. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: Meadow Gulch and adjacent boulder slopes, ca 10 air mi W of Sweetwater Station; ca 4 air mi NE of Schoettlin Mountain.
Edge of dense aspen/Oregon grape thicket adjacent to stream; moist, compact soil. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: along Dead Ox Creek, ca 3 air mi S of South Pass City; ca 11.5 air mi NNW of Continental Peak.
Disturbed pipeline bed across creek; scattered forbs and grasses; gravel substrate. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: spring and adjacent hills at base of Ferris Mountains, ca 12.5 air mi E of Lamont; ca 5.5 air mi NW of Ferris.
Small spring in low hills at base of mountain; moist, compact, red clay soil. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: Sand Spring and its intersection with Crooks Creek, ca 5 air mi NE of Bare Ring Butte; ca 11.5 air mi W of Whiskey Peak.
Sparsely vegetated sand dunes surrounding spring. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: tipped rimtop and drainages, ca 6 air mi SSE of Separation Peak; ca 10 air mi SW of Teton Reservoir.
Steep, open, narrow drainage at the bottom of rocky rim; umbels dominant. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: drainage and adjacent slopes, ca 4.5 air mi S of Separation Peak; ca 7 air mi W of Teton Reservoir.
Open, narrow drainage bottom; grazed graminoids dominant; dark moist soil. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Bush Rim, ca 7.5 air mi NW of The Pinnacles; ca 10 air mi S of Oregon Buttes.
On sagebrush flats above small spring; dry fine rocky soil. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: drainage near top of Joe Hay Rim, ca 7 air mi S of Oregon Buttes; ca 10 air mi SE of The Pinnacles.
Open flat plateau on east-facing slope of wide drainage; grazed graminoids dominant, stands of Populus; dark fine soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Small dry wash on west-facing sagebrush slope; dense patches of Salix shrubs interspersed with dense sagebrush and tall graminoids. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Snowshoe Canyon on Atlantic Rim, ca 5 air mi SW of Bridger Pass; ca 19 air mi SE of Creston Junction.
Moist drainage at base of canyon; dense tall graminoids, scattered Salix thickets; some burned areas. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Twelvemile Gulch, ca 11 air mi E of Black Rock; ca 12 air mi WSW of Chalk Butte.
Streamside with dense graminoids and Juncus dominant in saturated clay soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Tenmile Flat, ca 13.5 air mi SE of Black Rock; ca 13.5 air mi SW of Chalk Butte.
Slopes of dry wash with rocky outcrops, partially vegetated with sagebrush dominant; dry, sandy soil. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: Dickie Spring and moist drainage, ca 4.5 air mi N of Oregon Buttes; ca 8 air mi WNW of Continental Peak.
Moist edge of spring; dense grasses and Juncus dominant, forbs diverse; moist, peaty soil, sandy in some areas. Phenology: fruiting.

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

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Horseshoe Bend E of County Road 67, ca 23.5 air mi NW of Wamsutter; ca 54.5 air mi ENE of Rock Springs.
Grassy draws on the bluffs with sagebrush on the margins. Phenology: flowering & fruiting.
Annotated by Laura Welp.

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

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Small gully on north facing slope; sandy rocky soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Indian Spring, ca 11 air mi WNW of Rawlins; ca 17 air mi ENE of Creston Junction.
Wash between sandstone hill with sagebrush and greasewood; sandy soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
East facing slope of canyon rim; open moist spring with dense graminoids; organic soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: sand dunes near Honeycomb Buttes, ca 8.5 air mi NNW of Buffalo Hump Lake; ca 8 air mi SSE of Continental Peak.
Dry sparsely vegetated wash in clay soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: near Twin Creek, ca 9 air mi S of Derby Dome Oil Field; ca 5.5 air mi NNW of Dilabaugh Buttes.
Moist draw on steep south facing slope with dense Bromus tectorum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: summit ca 5.5 air mi SE of Warm Springs; ca 8 air mi NE of Buffalo Basin oil field.
Moist draw between steep hills with dense graminoids and scattered Ribes shrubs; rocky sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: Mason Creek near Crooks Peak, ca 8 air mi NW of Bare Ring Butte; ca 10.5 air mi SW of Jeffrey City.
Small draw on north facing slope with sagebrush and scattered pine and juniper; rocky sandy granitic soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Game Creek, ca 6-7 air mi N of Hoback Junction.
Open stream area and lower slopes, calcareous. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Area: ridge just N of Lower Horse Creek, ca 1.5 air mi NNE of Hoback Junction.
Roadside, meadow, and cliffs. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Alkali Creek from Gros Ventre River Road to river and down stream ca 0.5 air mi.
Stream and river sides. Phenology: fruiting.

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

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Spread Creek, ca 5 air mi SW of Black Rock Ranger Station.
Bluffs overlooking creek, often sandy, slopes and along creek, and wooded areas. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Tensleep Preserve, The Nature Conservancy: southwest flank, foothills of the Big Horn Mountains, ca 10 mi E of Ten Sleep, Canyon Creek watershed, bottom of Canyon Creek Canyon in side canyon. Old Maid Gulch quad.
In side canyon on drier slope area with Rhus aromatica, Opuntia polyacantha, Agoseris glauca, Dracocephalum parvifolium, Elymus cinereus, and Cirsium undulatum. also Paul B. Marcum, Loy Richard Phillippe Phenology: flowering.
with Leland Crane, David M. Ketzner, Mary Ann Feist, Richard L. Larimore,

U.S.A., Wyoming, Washakie County: Tensleep Preserve, The Nature Conservancy: southwest flank, foothills of the Big Horn Mountains, ca 10 mi E of Ten Sleep. Onion Gulch quad.
Growing in a big clump at the base of exposed rock, on 170 deg south-facing slope, sandy open area with scattered Juniperus scopulorum, Artemisia tridentata, Pinus ponderosa, other associates include Cymopterus terebinthinus, Oenothera pallida, Erigeron also Richard T. Larimore, and Loy R. Phillippe Phenology: flowering & fruiting.
with Daniel T. Busemeyer, Lee Crane, Mary Ann Feist, David Ketzner etc.

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: E of Agate Flat or BLM Road 2404, ca 15.7 air mi NW of Three Forks Junction; ca 9 air mi NE of Jeffrey City.
Gravelly area at base of granite slopes with scattered limber pine and juniper. Phenology: flowering.
with Pamela Foster

U.S.A., Colorado, Eagle County: Central Colorado: Castle Peak Area, West Slope Continental Divide: ca 0.7-2 air mi S of State Bridge off Colo Hwy 131.
Sagebrush slopes and shaded ravines. Phenology: flowering & fruiting.

U.S.A., Colorado, Eagle County: Central Colorado: Castle Peak Area, West Slope Continental Divide: at Wilmer Lake Rest Area, around lake and along roadside, off I-70 between Wolcott and Edwards, ca 2 air mi NW of Edwards.
Palustrine and weedy roadside. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: east side of Arkansas River between Chalk Creek and Little Cottonwood Creek drainages, just S of Ruby Mountain, ca 0.5 air mi E of Nathrop.
Palustrine wetland along river, open pinyon-Cercocarpus woodland. Phenology: flowering & fruiting.
with Benjamin Madsen

U.S.A., Idaho, Adams County: [location and coordinates withheld]
Lakeside dominated by grass and Wyethia. Phenology: flowering.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Cuddy Mountains: Goodrich Creek Research Natural Area: along Goodrich Creek, ca 9 air mi SW of Council; ca 8 air mi NNE of Cambridge.
Roadside riparian area in grass and shrub rangeland. Phenology: flowering & fruiting.
with Denise L. Fairbanks

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Weiser River Valley: along west bank of Weiser River, just S of Little Weiser River, ca 2 air mi SSW of Cambridge; ca 6 air mi NNE of Midvale.
Riverside and roadside in shrub and grass dominated canyon. Phenology: flowering & fruiting.

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Weiser River Valley: Burton Lane ditch just S of U.S. Hwy 95, ca 1 air mi SE of Cambridge; ca 16 air mi SW of Council.
Weedy roadside irrigation ditch. Phenology: flowering.
with Erin Peters

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: Routt National Forest: In canyon along Rock Creek, ca 16.5 air mi SE of Yampa, ca 4 air mi NNE of McCoy.
Brushy bench above the creek.
with Michelle Nelson

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: Routt National Forest: Above Volcano Siding ca 2 air mi SW of Long Park, ca 13.5 air mi SE of Yampa, ca 33 air mi S of Steamboat Springs.
Meadow.
with Michelle Nelson

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: vicinity of Mad Creek Trail, ca 7 air mi NNW of Steamboat Springs.
Near trail.

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 3 air mi ENE of Battle Mountain, E of Battle Creek.
Sage slopes on east side of creek, interspersed with wet areas containing Prunus. Phenology: flowering & fruiting.
with Lee Huston and Joel Kastning

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 9 mi NNW of Blackhall Mountain, along the Encampment River.
Sagebrush grassland. Phenology: flowering & fruiting.
with David Culp

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Southern Sublette Range: ca 7 air mi N of Cokeville.
West-facing hillside, lower sage slopes, middle open meadow slopes, and upper Cercocarpus slopes. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: vicinity of Coal Creek, ca 14 air mi N of Border Junction.
Sagebrush hillside and draw. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Reservoir edge, meadows, and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Riverside meadows, willows, and sagebrush. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Rock Creek Ridge ca 3 air mi N of Nugget Canyon and U.S. Hwy 30, ca 15.5 air mi SSE of Cokeville; ca 17.5 air mi WNW of Kemmerer.
Sagebrush and mountain shrub communities on the lee side of the ridge. Phenology: flowering & fruiting.
with C. H. Refsdal

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Underwood Canyon, ca 8 air mi SE of Cokeville.
Sagebrush hillside with some Prunus and Amelanchier. Phenology: flowering & fruiting.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: ca 13.5 air mi N of Cokeville; Sublette Range at Raymond Creek.
Ridgetop with gravel soil and granite outcrops covered with grasses and spotty shrubs. Phenology: flowering & fruiting.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Trail Creek, ca 14.5 air mi N of Kemmerer.
Steep sagebrush hillside with Amelanchier, Prunus, and aspen stands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Sagebrush hillside with Amelanchier stands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: south side below Youngs Pass, ca 31 air mi N of Rawlins; ca 11 air mi SE of Three Forks Junction.
Grassy area at top of mountain pass. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: south end of Beer Mug Mountain, ca 15 air mi NW of Medicine Bow townsite; ca 13.5 air mi NE of Hanna.
Disturbed dirt road near hay field. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 9.5 air mi ENE of Parlin.
Sagebrush hills and along top of box canyon. Phenology: flowering.
Accession: 775363

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Freezeout Mountains: west end of range S of Red Draw, ca 14 air mi NW of Medicine Bow townsite.
Steep gully dominated by limber pine and Douglas fir. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: County Road 18, ca 2 air mi E of Fairburn.
Along road and roadside ditch. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: North Platte River; N of Bennett Peak; ca 16.8 air mi SE of Saratoga; ca 11 air mi NE of Encampment.
South facing slope with granite and sandstone outcrops and ponderosa pine. Phenology: flowering.

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.
Sagebrush flats in the breaks. Phenology: flowering & fruiting.
with Luanne Lum

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Fifteen Mile or BLM Road 1429, ca 1 air mi E of North Fork Fifteen Mile Creek, ca 13 air mi NW of Worland.
Saltbush flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Fifteen Mile or BLM Road 1429, ca 1 air mi W of North Fork Fifteen Mile Creek, ca 14.5 air mi NW of Worland.
Below high water line. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 5XS, ca 0.5 air mi S of Sunshine Reservoir and ca 12 air mi SW of Meeteetse.
Pinus flexilis with sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Pedro Mountains: south side of range W of County Road 291, ca 12 air mi NE of Seminoe Dam.
Grassy draw. Phenology: fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 54 at Brokenback Creek, ca 6.3 air mi NW of Ten Sleep and ca 26.5 air mi ENE of Worland.
Acer and Salix with rose and grasses in the upland areas transitioning to sagebrush with grasses and cacti. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Nowood River, ca 8 air mi SW of Hyattville.
Riparian on sandy soil. Phenology: flowering & fruiting.
with Michelle Wilson

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Nowood Road at Nowood River, ca 0.5 air mi NW of Mahogany Butte, ca 27 air mi S of Ten Sleep.
Riparian; clayey soil and sandy along bank. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along County Lane 16.5, ca 10 air mi SE of Lovell and ca 20 air mi NNW of Greybull.
Silty, moist soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 7WC at Dry Creek, ca 3 air mi WNW of Cody.
Riparian with sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ridge leading NW off Lightning Ridge on the Nowater Trail or BLM Road 1404, ca 10 air mi SW of Big Trails; ca 36 air mi SE of Worland.
Shallow swale on sagebrush slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ridge leading NW off Lightning Ridge on the Nowater Trail or BLM Road 1404, ca 10 air mi SW of Big Trails; ca 36 air mi SE of Worland.
Bottom of small canyon below a spring. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Sagebrush/greasewood flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: in the vicinity of the confluince of Parker Spring Gulch and Fifteenmile Creek, ca 4 air mi N of Whistle Berry Hill, ca 11.5 air mi ENE of Meeteetse.
Silt/sand or cobble bars and banks along stream channels. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along Fifteenmile Creek at Fifteenmile Creek or BLM Road 1429 crossing, ca 3 air mi W of Dead Indian Hill, ca 14 air mi E of Meeteetse.
Silt/sand or cobble bars, banks of stream channel, and sandy flats with mixed species cottonwood woodland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Wyo Hwy 434 E of Nowood River, ca 9 air mi SSE of Ten Sleep.
Agricultural ditch. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1431 N of Wyo Hwy 431, ca 25.5 air mi W of Worland.
Reservoir and sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: along Monument Hill or County Road 7UH on Rattlesnake Mountain, ca 13.5 air mi WNW of Cody.
Sagebrush and pine near a seep at spring. Phenology: flowering & fruiting.
with Michelle Wilson

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Teton Reservoir E of Wyo Hwy 71, ca 12.4 air mi S of Rawlins.
Riparian area surrounding reservoir. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along County Road 36 and Grass Creek, ca 2.5 air mi W of Grass Creek (Post Office) and ca 32 air mi NW of Thermopolis.
Juniper and sagebrush. Phenology: flowering & fruiting.
with Michelle Wilson

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 6QS at South Fork Shoshone River and Sheep Creek, ca 13.5 air mi SW of Cody.
Riparian. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along Dry Creek at U.S. Hwy 14, 16, & 20 crossing, ca 21 air mi ESE of Cody; ca 29.5 air mi WSW of Greybull.
Sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Kindt Reservioir E of Wyo Hwy 71, ca 14.7 air mi SE of Rawlins; ca 13 air mi S of Sinclair.
Dry shores of reservoir lined with Tamarix chinensis. Phenology: flowering.

U.S.A., Colorado, Mesa County: [location and coordinates withheld]
In pasture. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Whiskey Mountain and vicinity, ca 7 air mi S of Dubois.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: between Little Popo Agie River and Louis Lake, ca 15 air mi SSW of Lander.
Dry opening in lodgepole pine forest. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: hillside between Sage Creek and County Road 401, ca 22 air mi S of Rawlins; ca 19 air mi W of Saratoga.
Snow catch on north facing slope; black sandy soil with patches of aspen trees and flowering shrubs. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Sawmill Creek near Middle Popo Agie River, ca 5 air mi SW of Lander.
Sagebrush shrubland. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: ca 3.3 air mi E of Blaine Rock, ca 8.5 air mi SW of Gunnison on northerly adjacent ravines of Big Mesa.
Sage-dominated north-draining ravines and slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: ca 0.1 road mi W of Colo Hwy 114 on BLM Road 3074, ca 3.6 air mi ESE of Cooper Mountain; ca 4.9 air mi NW of Razor Creek Dome.
Spring and roadside in deep sagebrush ravine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Carr Reservoir on Twin Creek along Twin Creek or County Road 19, ca 17 air mi SE of Lander.
Bluffs along the reservoir. Phenology: fruiting.
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.
Sagebrush flats above the creek. Phenology: flowering.
Annotated by Rachel Newton.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Encampment River, ca 1.5 air mi S of Encampment.
Nearby woods. Phenology: flowering.

U.S.A., Wyoming, Platte County: Wetlands and Adjacent Areas: Chugwater Creek, ca 1.5 air mi NE of Chugwater.
Very moist banks and flood plains. Phenology: flowering.

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

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Hams Fork, ca 4 air mi SE of Kemmerer.
Moist banks and flood plain. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Wetlands and Adjacent Areas: Bear River, ca 1.5 air mi SE of Evanston.
Flood plains. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Wetlands and Adjacent Areas: Henrys Fork, ca 21 air mi SE of Mountain View.
Sandy slopes and uplands. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Sage Creek, ca 15 air mi S of Green River.
Moist banks. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: upper Marsh Creek, ca 24 air mi S of Green River.
Moist banks. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Bitter Creek, ca 20 air mi E of Rock Springs.
Dry creek bed. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: North Platte River, ca 40 air mi WSW of Medicine Bow.
Dry banks and uplands. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: North Platte River, ca 12 air mi NE of Rawlins.
Moist banks and flood plains. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: North Platte River, ca 32 air mi NE of Rawlins.
Dry slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Sweetwater River, ca 10 air mi NW of Muddy Gap Junction.
Dry uplands. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Rattlesnake Creek, ca 25 air mi SE of Medicine Bow.
Lightly grazed banks and flood plains. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Little Snake River, ca 15 air mi E of Baggs.
Adjacent meadows. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Coal Creek, ca 12 air mi NNE of Cokeville.
Dry uplands. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Smiths Fork, ca 18 air mi NNE of Cokeville.
Moist banks and flood plains. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Hams Fork, ca 15 air mi E of Cokeville.
Dry uplands. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Fontenelle Creek, ca 14 air mi SSW of La Barge.
Dry rocky uplands. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: Muddy Creek, ca 16 air mi SE of Casper.
Dry uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Hunt Creek, ca 32 air mi S of Casper.
Dry uplands. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Laramie River, ca 26 air mi SW of Laramie.
Moist river banks and flood plains. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Little Laramie River, ca 5 air mi SE of Centennial.
Dry uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Hams Fork, ca 8 air mi NW of Kemmerer.
Dry rocky uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Wetlands and Adjacent Areas: Muddy Creek, ca 19 air mi E of Evanston.
Dry, rocky uplands. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: East Fork River, ca 15 air mi SE of Pinedale.
Dry uplands. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Lake De Smet, ca 9 air mi N of Buffalo.
Dry semi-rocky uplands. Phenology: flowering.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Wooded area alongside stream. Phenology: flowering.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Dry rocky uplands. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Wetlands and Adjacent Areas: LZ Bar Creek, ca 16 air mi NE of Arvada; 54 air mi due E of Sheridan.
Dry flood plains. Phenology: fruiting.

U.S.A., Wyoming, Washakie County: Wetlands and Adjacent Areas: Brokenback Creek, ca 6 air mi NNW of Ten Sleep.
Dry sandy uplands. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Wind River, ca 4 air mi SE of Dubois.
Dry, sandy hillside. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Duck Creek, ca 4 air mi W of Pinedale.
Dry, rocky uplands. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: North Fork Powder River, ca 4 air mi NW of Kaycee.
Along moist river banks and flood plains. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: Cottonwood Creek, ca 2 air mi W of Seminoe Dam; ca 27 air mi NE of Sinclair.
Aspen and cottonwood lined creek in mountain meadow. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: south side of BLM Road 3159, ca 0.5 air mi E of Seminoe Dam; ca 27 air mi NW of Hanna.
Ponderosa and limber pine draw with granite outcrops. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest and Vicinity: Medicine Bow Mountains: Hohnholz Lake #1 on Forest Road 200 and down to Laramie River, ca 50 air mi NW of Fort Collins.
Broad river bottom through Artemisia steppe. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Star Valley: about 15 miles south of Afton.
42.5309° N, 110.8982° W; NAD 83, uncertainty 1 mi., Digital Map
Common on hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Seminoe Mountains, near the dam.
42.1555° N, 106.9183° W; NAD 83, uncertainty 0.5 mi., Digital Map
Dry soil, in the valleys. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Along French Creek near the Platte River.
41.1924° N, 106.5406° W; NAD 83, uncertainty 1 mi., Digital Map
Dry areas. *North Platte River* Phenology: flowering.

U.S.A., Wyoming, Teton County: At Alta western edge of Teton County.
43.753° N, 111.0396° W; NAD 83, uncertainty 0.5 mi., Digital Map
Dry loamy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Ca 10 mi E of Sand Draw Oil Field and 40 mi SE of Riverton.
42.7352° N, 108.058° W; NAD 83, uncertainty 3 mi., Digital Map
Loose shaly soil, rolling hills. Ca 10 mi E of Sand Draw Oil Field Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Ca 15 mi W of Big Piney.
Dry gumbo soil, Wasatch formation Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: along the North Fork of Sybille Creek at Wyoming Game and Fish Department Experimental Area 40 mi NE of Laramie.
Dry meadow. [at Wyo… 40 mi NE of Laramie.] Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Jackson Lake N of Wyo Hwy 220, ca 8.6 air mi NE of Three Forks Junction.
Dry saline lake shores dominated by graminoids and bordered by sagebrush and greasewood. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Dry creek bed. Phenology: fruiting.

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, Hot Springs County: Owl Creek/Bridger Mountains: cliffs on east side of Wind River Canyon, ca 12 air mi SSE of Thermopolis; ca 20 air mi N of Shoshoni.
T6N R6E S15; also T41N R94W S21 and S28
Wet spring areas on west-facing slope.
with Clay Lippencott

U.S.A., Wyoming, Carbon County: Muddy Gap.
On red sandstone bottom of Chugwater Formation. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Elk Range, Douglas Creek Campground.
10% southwestern slope; grass-forb community. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: NE of Cedar Mountain, ca 341/2 air mi SW of Green River and 111/2 air mi N of McKinnon.
Shallow , loamy soil in an aspen stand; with Symphoricarpos oreophilus, Thlaspi arvense, Amelanchier alnifolia, Galium boreale, Descurainia richardsonii, Lupinus and Penstemon. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: E of Little Mountain, ca 24 air mi S of Rock Springs.
Sandy soil at the bottom of a wash in a sagebrush grassland with Stipa commata, Atriplex nuttallii, Chrysothamnus viscidiflorus and Oryzopsis hymenoides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County:
Phenology: flowering & fruiting.
Aven Nelson, s.n.. //1903.

U.S.A., Wyoming, Laramie County: Iron Mountain.
Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Wamsutter.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South Butte: Fifteenmile Springs.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Yellowstone National Park: Madison Canon.
Very common on the open dry slopes. Phenology: fruiting.
with Elias Nelson

U.S.A., Wyoming, Albany County: Tie City.
Moderately dry canyons among the hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: along South Fork North Fork Owl Creek, near cabin.
Edge of aspen stand; with Artemisia tridentata, A. frigida, Bromus, and Castilleja linariaefolia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Point of Rocks.
Common in bunches on low ground. Phenology: flowering & fruiting.
with E. N. Wilcox

U.S.A., Wyoming, Teton County: Gros Ventre River.
Common in dry soil. Phenology: flowering & fruiting.
with E. N. Wilcox

U.S.A., Wyoming, Sweetwater County: Washingtons Ranch.
In very dry, sandy soil. Phenology: flowering & fruiting.
with E. N. Wilcox

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

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ca 0.5 mi SW of Circle H Peak; ca 2 mi N of U.S. Hwy 14, 16, & 20.
Grass/forb community with scattered Douglas fir and limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along an east entering tributary of Clearwater Creek, ca 2.5 mi N of U.S. Hwy 14, 16, & 20.
Grassy, riparian area. Prominent species include Poa pratensis, Senecio serra, Elymus cinereus, and Heracleum sphondylium. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along the south side of the North Fork Shoshone River, opposite Newton Creek Campground.
Douglas fir forest on rocky, north-facing slope, prominent species are Calamagrostis rubescens, Arnica cordifolia, Symphoricarpos albus, and Spiraea betulifolia var. lucida. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 1.5 mi N of Wapiti, Jim Creek Trailhead.
Phenology: fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along river ca 0.3 mi E of Moss Creek.
In meadow-fen. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along North Fork Shoshone River, ca 1-2 mi W of Wapiti.
On open, disturbed alluvial terrace. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ca 0.5 mi W of the confluence of Elk Fork Creek and Cabin Creek, ca 8 mi S of U.S. Hwy 14, 16, & 20.
Spruce forest at edge of wet meadows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Southeastern Absarokas: Stratford Ranch, SE of main ranch buildings along east side of South Fork Shoshone River, ca 40 mi SW of Cody.
Sagebrush-grassland community. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Shell Creek.
Phenology: fruiting.
with Coral E. Moore

U.S.A., Wyoming, Carbon County: Chalk Mountain: North Face 33.5 air mi SSW Casper.
Wet, Populus tremuloides overstory. Phenology: flowering & fruiting.
Francis B. Current, 395. 7/8/1978.

U.S.A., Wyoming, Carbon County: North Platte river bank between French Creek and Saratoga. 19 air mi SW of Saratoga.
T15N R82W S26
Riparian. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Battle Creek and a small tributary from the W; 11 air mi E of Savery . Boundary
Riparian community. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: First road to the south after Goose Egg, traveling west. Road parallels Matheson Creek which is 3/4 mi to the east.
Growing in the bed of a dry stream. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Carbon County: I-80 West Snow Fence Project: Dana Ridge.
T20N R83W S1

U.S.A., Wyoming, Bighorn County: Big Horn Canyon National Recreation Area; about 3/4 mi W of Yellowtail Reservoir.
T58N R94W S31
with D. Ditolla and R. Myers

U.S.A., Wyoming, Natrona County: Bates Hole: Bolton Creek, ca 4 air mi W of Wyo Hwy 487; ca 2.5 air mi NW of Haystack Buttes; ca 17 air mi S of Casper.
Artemisia tridentata var. tridentata stand ca 2 m above stream channel on sandy clay loam alluvium. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Near Six Mile Campground, Medicine Bow Mountains.
Moist aspen draw. Phenology: flowering & fruiting.
Gregory P. Hallsten, 47. 7/4/1982.

U.S.A., Wyoming, Sweetwater County:
Moist grass below flowing well. Phenology: flowering & fruiting.
Gregory P. Hallsten, 622. 6/30/1983.

U.S.A., Wyoming, Lincoln County: Cumberland Gap.
Gregory P. Hallsten, 655. 7/19/1983.

U.S.A., Wyoming, Sweetwater County: Little Mountain.
Rocky sagebrush slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Little Mountain.

U.S.A., Wyoming, Fremont County: SE of Thermopolis and E of the Wind River Canyon; north flank of the Owl Creek Range: ridgetop NW of Birdseye Pass.
Ridgetop; Transitional from sagebrush to conifer. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Lysite Badlands: ca 1.2 air mi W of Moneta-Lysite road, 3.4 air mi N of Moneta.
Near wash, associated with seepage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: foothills on south side of range W of County Road 351, ca 2.3 air mi SSW of Seminoe Dam; ca 25.5 air mi NE of Sinclair.
Northwest facing red sand slope dominated by mountain mahogany and scattered limber pine; slope leading into draw. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Rock River.
J. Francis Macbride, 2775. 7/5/1914.

U.S.A., Wyoming: West of Worland; on the lower part of the 15-mile drainage area. Willwood farm.
5-9inch precipitation zone. Lowland area in association with big sagebrush and rabbitbrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Along Cottonwood Creek, 30 road mi NW of Wheatland.
Elev. 1616 m.
Hay meadow, irrigated when water in creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Along Brush Creek, 17 road mi E of Wheatland.
41.8346° N, 105.1089° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Creek banks, dry, some standing water. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Deadhead Creek, 6 road mi E of Wyo Hwy 34, 12 road mi SW of Wheatland.
41.8352° N, 105.1691° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Creekbanks and creekbed. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: East Gros Ventre Butte, 2 mi N of Jackson.
Along the roadside. Phenology: fruiting.
with Mildred S. Reed

U.S.A., Wyoming, Teton County: Teton Natioal Forest: Hoback Canyon.
Ecotone between sagebrush and aspen. Phenology: flowering & fruiting.
with Mildred S. Reed

U.S.A., Wyoming, Sweetwater County: Great Divide Basin: Tenmile Draw area at Jim Bridger Mine, ca 10 air mi NE of Point of Rocks; ca 33 air mi ENE of Rock Springs.
Dense clumps among sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Base of Beaver Rim.
Along dry ravines of badland slopes. Phenology: fruiting.

U.S.A., Wyoming, Uinta County: Carter.
41.4375° N, 110.4294° W; NAD 83, uncertainty 0.5 mi., Digital Map
Moist bottoms. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: 5 miles north of Jackson.
Dry hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: North of Jackson.
Dry hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County:
T24N R102W
Burned area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Bates Hole: Bates Creek, ca 2 1/4 air mi SE of crossing of Wyo Hwy 487, ca 18 air mi S of Casper.
Mature Populus angustifolia gallery forest with sparse understory of patchy shrubs and Bromus inermis on mixed alluvium in bottom of valley. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin: McClanahan Draw, ca 0.1 mi NW of Middle Fork Casper Creek, ca 6 air mi NE of Garfield Peak.
Juncus balticus/Hordeum x caespitosum community on silty clay-gravel soil of floodplain; graminoid cover 80%. Phenology: flowering & fruiting.
Michele Barlow, 249a. 8/8/1991.

U.S.A., Wyoming, Johnson County: Powder River Basin: North Fork Crazy Woman Creek, E of Buffalo in vicinity of Tipperary Road.
Dense Populus deltoides community with understory of Bromus inermis on cobble and gravel-rich alluvium. Phenology: flowering & fruiting.
with Steve Kettler

U.S.A., Wyoming, Johnson County: Eastern Plains: Sayles Creek.
Sparse Acer negundo community on floodplain with understory of Bromus inermis. Phenology: fruiting.
with Steve Kettler

U.S.A., Wyoming, Sublette County: Foothills of Wyoming Range on a ridgetop extending west from Kismet Peak, at the Teton National Forest border, 8 air mi SE of Bondurant.
Locally common on sparsely vegetated dry sagebrush knoll in sandy-loam soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone National Park: Mammoth Hot Springs.

U.S.A., Wyoming, Natrona County: Devils Gate along the Sweetwater River near the Sun Bell Ranch.
Common in dry, sandy soil; with Stipa comata Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin and adjacent regions: Washakie Basin, ca 16 air mi W of Wyo Hwy 789.

U.S.A., Wyoming, Fremont County: Sinks Canyon.
Aspen stands. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: 10 mi N of Steamboat Mountain.
On creek bank. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Saratoga Lake E of Wyo Hwy 130, ca 1.2 air mi ENE of Saratoga; ca 18 air mi N of Encampment.
Wetlands and disturbed gravelly area surrounding lake. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Seedskadee National Wildlife Refuge: Big Island vicinity.
Deschampsia-sedge community, sandy gravel, gravel bar and terrace. Phenology: flowering & fruiting.
with B. Welsh

U.S.A., Wyoming, Fremont County: Absaroka Range: Wind River Indian Reservation: Mountain Meadows, ca 15 airmi NE of Dubois.
Mesic Meadow. Phenology: flowering & fruiting.
with Kevin Berner

U.S.A., Wyoming, Sheridan County: Hanna Creek.
Dry bunches by fences. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn National Forest: Shell Canyon Road.
Very abundant in deep clay loam on steep west slope along road. Phenology: fruiting.
William J. Cochran, 220. 7/2/1935.
Accession: USFS 604199, Barcode: RM0173676

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Fort Steele State Recreation Area, ca 6.6 air mi NW of Walcott Junction; ca 8.4 air mi E of Sinclair.
Gravelly area among fort ruins; disturbed. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Sweetwater River Plateau: west shore of Steamboat Lake, ca 0.3 air mi S of Wyo Hwy 220; ca 4.5 mi NNE of Independence Rock.
Low, alkali clay rims at edge of wetland in community of Distichlis spicata, Sporobolus airoides, and Scirpus nevadensis. Phenology: fruiting.
with Mary Neigbours

U.S.A., Colorado, Moffat County: North-central Colorado: Elkhead Mountains: Fan Rock and adjacent butte, ca 1 mi W of Slater Creek, ca 2 air mi SW of Slater; ca 33 air mi N of Craig.
Base of volcanic dike. Phenology: flowering.

U.S.A., Colorado, Routt County: North-central Colorado: Elkhead Mountains: along Wolf Creek and County Road 52, ca 5 air mi SW of Slippery Sides Mountain, ca 6.5 air mi ENE of Hayden.
Roadside and fencerow in mountain shrub community. Phenology: flowering.

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: along County Road 179, ca 7 air mi N of Oak Creek; ca 10.5 air mi SW of Steamboat Springs.
Roadside. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and upper slopes of Delaney Rim, ca 4 air mi W of northernmost point of Delaney Rim; ca 13.5 air mi WSW of Wamsutter.
Slump area. Phenology: flowering & fruiting.

Moist area along river shaded by cottonwood, willow, and birch. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and upper slopes of Delaney Rim, ca 4 air mi W of northernmost point of Delaney Rim; ca 13.5 air mi WSW of Wamsutter.
Slump area. TRS correct in database, incorrect on label. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: ca 21 air mi NW of Dubois in vicinity of Forest Service Road 513.
Lodgepole pine/Aspen-sagebrush ecotone and roadside.

U.S.A., Wyoming, Park County: Southwestern Absarokas: South Fork Shoshone River below Ishawooa Mesa, ca 35 air mi SW of Cody.
Mixed Artemisia-Populus.

U.S.A., Wyoming, Park County: Southwestern Absarokas: vicinity of South Fork Station, ca 45 air mi SW of Cody.
Mixed Artemisia-Salix.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Houlihan Creek drainage, ca 29 air mi SW of Cody.
Pseudotsuga forest.

U.S.A., Colorado, Gunnison County: Region of the Gunnison Watershed: Doyle's.
Annotated by Barkworth & Atkins in 1983.

U.S.A., Colorado, Larimer County: Fort Collins.
Annotated by Stuart Markow in 2004.
Accession: USFS 418717

U.S.A., Colorado, Moffat County: Dinosaur National Monument: Box Elder Park Campground: N side of Yampa River.
Common on 5% slope with south exposure with Acer negundo, Elymus and Agropyron. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: Uncompahgre National Forest: Smith Point: N of Cold Springs Ranger Station.
Sagebrush community in black loam. Phenology: fruiting.
Annotated by Stuart Markow in 2004.
Accession: USFS 418712

U.S.A., Colorado, Montrose County: Paradox.
Dry creek bottom. Phenology: flowering & fruiting.
Annotated by Barkworth & Atkins in 1983.

U.S.A., Colorado, Garfield County: White River National Forest: Sweetwater Ranger Station.
In black loam. Phenology: fruiting.
Annotated by Stuart Markow in 2004.
Accession: USFS 418711

U.S.A., Colorado, Gunnison County: Gunnison National Forest: Crystal Creek Ranger Station.
Abundant in park on 10% south slope in clay loam in sagebrush and rabbit brush. Phenology: fruiting.

U.S.A., Colorado, Jackson County: North Park.

U.S.A., Colorado, Grand County: Below Sulphur Springs.

U.S.A., Colorado, Grand County: Sulphur Springs.
George E. Osterhout, 3573. 8/7/1907.

U.S.A., Colorado, Jackson County: North Park.
George E. Osterhout, 5178. 8/8/1914.

U.S.A., Colorado, Montezuma County: Montezuma National Forest: Grass Mesa.
Infrequent in sagebrush on 5 degree northwest slope in sandy shallow patches. Phenology: fruiting.

U.S.A., Colorado, Larimer County: Rocky Mountain National Park: Front Range: Moraine Park: Big Thompson River: E section near E parking lot.
E, 0N
Sparse in dry grassy area. Phenology: flowering & fruiting.
Annotated by William A. Weber.

U.S.A., Colorado, Pitkin County: Sopris National Forest: near Nast.

U.S.A., Colorado, Chaffee County: Leadville National Forest: Buena Vista.
Abundant in wet meadow on flat slope in moist sandy loam. Phenology: fruiting.

Big sagebrush draw in surrounding sagebrush grasslands; dry sandy soil. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: along Halleck Creek, ca 29 air mi NE of Laramie.
Creekside. Phenology: fruiting.
with J. Brondum and T. McGowan

U.S.A., Colorado, Grand County: Williams Fork Raod: 6.5 mi E of CO Hwy 9.
Common, found in open meadows in sandy soil with Chrysothamnus. Phenology: flowering & fruiting.

U.S.A., Colorado, Rio Blanco County: 0.1 mi W of junction of Collins Gulch and Piceance Creek Road. 1/4 1/4 1/4
Elev. 1970 m.
Occasional of gravelly loam with Artemisia, Oryzopsis and Agropyron. Phenology: flowering & fruiting.
with M Waters

Sagebrush draw. Phenology: fruiting.

U.S.A., Colorado, Grand County: Frapaho National Forest: near Hot Sulfur Springs.
Roadside in dry gravel. Phenology: fruiting.
Victor Goodwin, G49a. 6/22/1936.

U.S.A., Wyoming, Albany County: Laramie Range: along Bear Creek, ca 33 air mi SW of Douglas.
Roadside Phenology: fruiting.
with J. Brondum and T. McGowan

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

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: North Fork Leeds Creek coming off Rock Creek Ridge, ca 11 air mi SSE of Cokeville; ca 26 air mi NW of Kemmerer.
Stony lower sagebrush slope near the stream. Phenology: buds.
with Russ Nelson
Accession: 1016680, Barcode: RM0300032

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Commissary Ridge: ca 0.5 air mi SE of Kemmerer Reservoir along powerlines E of paved road; ca 12 air mi NW of Kemmerer.
Rolling sagebrush-grasslands, southwest exposure with some aspen on northeast side of gravelly ridge, also along roadside. Phenology: flowering.
Accession: 1012842, Barcode: RM0293970

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Hams Fork Valley: Hams Fork ca 0.5-1 air mi SE of confluence with Pole Creek; ca 14 air mi E of Cokeville.
Along the river and adjacent sagebrush-grassland slopes with some aspen; limestone and sandstone outcrops occasional. Phenology: flowering.
Accession: 1012841, Barcode: RM0293969

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: ca 6 air mi N of Kemmerer.
Sagebrush slopes with serviceberry and coralberry and grassy flats. Phenology: buds.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Commissary Ridge, ca 14 air mi N of Kemmerer.
Flats along stream, old homestead in aspen grove, and slope with sandstone outcrops. Phenology: flowering.

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

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Pine Creek, ca 2 road mi NNE of Pine Creek Ski Area, ca 8 air mi NE of Cokeville.
Stream bottom and shaley slopes. Phenology: buds.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Southern Sublette Range: ca 7 air mi N of Cokeville.
West facing hillside, lower sage slopes, middle open meadow slopes, and upper slopes. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: east end of Fontenelle Gap, ca 15 air mi W of Fontenelle Reservoir.
Creekside meadows, willow thickets, and rockslides. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Lake Viva Naughton, ca 13 air mi NNW of Kemmerer.
Reservoir edge, meadows, and sagebrush. Phenology: flowering.

U.S.A., Idaho, Clark County: Targhee National Forest: Beaverhead Range: along Crooked Creek in Crooked Creek Canyon at eastern boundary of National Forest, ca 25 air mi NW of Dubois.
T11N R32E S29
Flat canyon bottom, dominated by Artemisia, Chrysothamnus, and grasses.

U.S.A., Idaho, Clark County: Targhee National Forest: Beaverhead Range: along Crooked Creek in Crooked Creek Canyon, ca 30 air mi NW of Dubois.
T12N R31E S34
Coniferous forest dominated by Pseudotsuga menziesii and Picea engelmannii.

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: roadside along Pleasant Valley Creek, ca 8 air mi NW of Spencer.
Mostly roadside weeds and grasses.

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: Taylor Creek area, ca 15 air mi NW of Island Park.
Clearing in coniferous forest, dominated by grasses and forbs.

U.S.A., Idaho, Lemhi County: Targhee National Forest: Beaverhead Range: Scott Canyon, ca 6.5 air mi SE of Nicholia.
Artemisia and grasses, scattered aspen groves.

U.S.A., Idaho, Bonneville County: Targhee National Forest: Snake River Range: Palisades Creek, just E of entrance to National Forest, ca 2 air mi NE of Irwin.
Open slope, dominated by forbs and shrubs, mostly Purshia and bunchgrasses.
with B. E. Nelson and Michelle Nelson

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Snake River Range: Rainey Creek from entrance to National Forest to Corral Canyon, ca 3 air mi E of Swan Valley.
T2N R44E S26; also S27 and S34
Juniper/grassland, dominated by Juniperus scopulorum and bunchgrass, some riparian.

U.S.A., Idaho, Teton County: Targhee National Forest: East Slope Big Hole Mountains: along Superior Creek, ca 10 air mi W of Driggs.
Along creek dominated by Salix, Heracleum, and Prunus.

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Snake River Range: Mike Spencer Canyon, SE of Ida Hwy 31, ca 6 air mi N of Swan Valley.
T2N R44E S4; also S5
Mostly open valley bottom, dominated by forbs and shrubs, bordered by coniferous forest dominated by Abies lasiocarpa and Pseudotsuga menziesii with some riparian.

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Snake River Range: Sawmill Canyon, ca 1.5 air mi E of Palisades.
T1N R45E S31; also S32
Open slope above canyon, dominated by shrubs and forbs.

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.
Along irrigation canal. Phenology: fruiting.
with T. McGowan

U.S.A., Idaho, Madison County: Targhee National Forest: West Slope Big Hole Mountains: West Pine Creek Trail, just N of Ida Hwy 31.
T3N R44E S19; also S29
Coniferous forest, dominated by Abies lasiocarpa and Pinus contorta, with many openings, some riparian.

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Big Hole Mountains: Black Canyon, ca 9 air mi from Kelly Canyon Ski Area, adjacent to and N of Snake River.
T3N R43E S17; also S18, 19 and T3N R42E S13
Steep open slope dominated by Juniperus, Cercocarpus, Purshia, Symphoricarpos, and bunchgrasses. Some forested slopes dominated by Pseudotsuga, Physocarpus, Vaccinium, and Lonicera. Some riparian and adjacent open areas.

U.S.A., Idaho, Fremont County: Targhee National Forest: West Slope Teton Range: Porcupine Creek Campground and surrounding area.
Coniferous forest dominated by Pinus contorta, with openings and adjacent roadside, and some riparian.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: trail from Grand Targhee Ski Area to Miles Creek Trail, ca 10 air mi NE of Driggs, Idaho.
Coniferous forest and roadside, dominated by Abies lasiocarpa, Picea engelmannii and Lonicera utahensis. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Targhee National Forest: West Slope Beaverhead Range: Long Canyon, ca 30 air mi W of Dubois.
Canyon bottom dominated by Artemisia, Cercocarpus, scattered Juniperus.

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

U.S.A., Idaho, Clark County: Targhee National Forest: Beaverhead Range: Reno Gulch, ca 27 air mi SW of Dubois.
Canyon bottom dominated by Artemisia, Chrysothamnus, and grasses, with scattered Juniperus.

U.S.A., Idaho, Clark County: Targhee National Forest and vicinity: Beaverhead Range: Warm Springs to mouth of Grouse Canyon, ca 22 air mi NW of Dubois.
Low ridgetops and shallow gullies dominated by grasses and forbs, scattered Artemisia and Chrysothamnus.

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: west side of Beaver Creek near confluence with Stoddard Creek, ca 16 air mi N of Dubois.
Moist meadow dominated by forbs and grasses.

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: E of Beaver Creek along Dairy Creek, ca 16 air mi N of Dubois.
Mostly Artemisia with many forbs and grasses.

U.S.A., Idaho, Lemhi County: Targhee National Forest: Beaverhead Range: along Willow Creek, ca 2.5 air mi N of Nicholia.
Canyon bottom dominated by Artemisia and grasses.

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: 0.5 mi N of entrance to Huntley Canyon, ca 1 air mi NW of Spencer.
44.3681° N, 112.186° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Open slope dominated by Artemisia, Symphoricarpos, and grasses, with many roadside weeds.

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: along Irving Creek, ca 27 air mi NW of Dubois.
Valley bottom with mostly Artemisia, Chrysothamnus, and grasses.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: E of County Road 407, ca 3 air mi SE of Alcova.
Creek banks bordered by greasewood and rose thickets; disturbed. Phenology: flowering.

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: off Sage Creek Canyon opposite Hillbilly Mountain, ca 6.5 air mi S of Hayden; ca 22 air mi WSW of Steamboat Springs.
Sagebrush flat.

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: Williams Fork Mountains: above East Fork Williams Fork, ca 13 air mi SSW of Hayden; ca 28 air mi WSW of Steamboat Springs.
Base of cliffs.

U.S.A., Colorado, Rio Blanco County: [location and coordinates withheld]
Weedy area along road and in dried-up reservoir basin.
James P. Vanderhorst, 1184. 7/16/1990.

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: Beaver Creek, ca 20 air mi SSW of Hayden.
South exposure, dry heavy clay, with sagebrush and mountain mahogany.
James P. Vanderhorst, 2912. 6/28/1991.

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: creek N of Colorado River NW of and near McCoy, ca 18 air mi SSE of Yampa.
Wet arroyo bottom, with cottonwood, willows, sedges, and grasses.
James P. Vanderhorst, 3311. 7/15/1991.
with Carlos Palaci

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: north rim of Deep Creek Canyon around Balixburg Spring, ca 14 air mi NE of Glenwood Springs.
Meadows above rimrock.

U.S.A., Colorado, Rio Blanco County: [location and coordinates withheld]
Creek bottom along road.

U.S.A., Colorado, Routt County: [location and coordinates withheld]
Roadside in sagebrush grassland, heavy clay soil.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: cliffs and terrace above Coal Creek, ca 8 air mi NE of Meeker.
Steep southeast-facing cliffs, with juniper and sagebrush.

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: above Williams Fork, ca 13 air mi SSW of Hayden.
Sandstone and shale outcrop with oak, serviceberry, and chokecherry and roadside; roadside.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Danforth Hills: Devils Hole Gulch, ca 10 air mi N of Meeker.
Pinyon pine-oak scrubland, ridges and slopes.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: West Flat Top Mountain, ca 50.5 air mi SW of Rawlins; ca 17.5 air mi NW of Baggs.
Snow drift area on the lee side of the butte. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: along Hartt Cabin Draw and benchland to the west, ca 34.5 air mi S of Wamsutter; ca 16 air mi WNW of Baggs.
Sand bars and bank in the bottom of the draw. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along Deep Gulch, North Fork Savery Creek, and Truckdrivers Creek below Sage Creek or County Road 401, ca 31.5 air mi S of Rawlins; ca 27 air mi NE of Baggs.
Rocky, steep sagebrush slopes. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: Hell Canyon off Green Ridge, ca 1 air mi E of Savery Creek, ca 41 air mi S of Rawlins; ca 20 air mi NE of Baggs; ca 3.5 air mi SW of Tullis.
Stony, bushy slopes of the canyon. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: along the Continental Divide on Delaney Rim, ca 4.5 air mi S of Tipton, ca 47.5 air mi E of Rock Springs; ca 16.5 air mi WSW of Wamsutter.
Slump areas below the rim with aspen, willow, chokecherry, or serviceberry stands. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: J O Spring and vicinity between Delaney Rim and Laney Wash, ca 7.5 air mi S of Tipton; ca 46.5 air mi E of Rock Springs; ca 19 air mi WSW of Wamsutter.
Drier meadows along the draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Meadows below the springs. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along the Continental Divide on Miller Hill off Miller Hill or County Road 505, ca 18.5 air mi S of Rawlins; ca 6.5 air mi ESE of Bridger Pass.
Willow-aspen thickets at the edge of the rim and around the edge of them. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: near the head of Littlefield Creek drainage, ca 26 air mi S of Rawlins; ca 29 air mi NE of Baggs.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: on the divide between Wild Cow and Little Savery drainages, ca 2.5-3 air mi N of Ketchum Buttes, ca 32 air mi SSW of Rawlins; ca 22.5 air mi NE of Baggs.
Stony, clay knoll and ridge with brushy patches. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: along Black Butte Creek, ca 2.5 air mi W of Black Buttes, ca 8.5 air mi SSW of Point of Rocks; ca 19 air mi E of Rock Springs.
Along the stream channel. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: along Alkali Wash below Patrick Draw or County Road 24, ca 3.5 air mi WNW of Pine Butte, ca 29 air mi SE of Rock Springs; ca 24 air mi S of Point of Rocks.
Sand bars and sandy banks along the channel. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along a small tributary of Savery Creek and Browns Hill or County Road 602, ca 2.3 air mi NW of Tullis; ca 36.5 air mi S of Rawlins; ca 21 air mi NE of Baggs.
Meadow, willow thickets, and banks of a small stream. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: from Powder Rim N to Sand Creek, ca 7.5 air mi ENE of Powder Mountain; ca 22.5 air mi WNW of Baggs.
Sagebrush covered terrace leading into draw. Phenology: fruiting.

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

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Green River Basin: adjacent to and mainly S of the confluence of Middle Marsh Creek and Flaming Gorge Reservoir, ca 36 air mi SSW of Rock Springs.
Adjacent to creek. Phenology: flowering.

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

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: northeastern slopes and draws of Richards Mountain, ca 2 air mi NW of Richards Gap; ca 37 air mi SSW of Rock Springs.
Sandy draw. Phenology: fruiting.

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

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

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

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Sandy draw. Phenology: flowering.

Hillsides adjacent to creek. Phenology: flowering.

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

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: southwestern lower slopes of Battle Mountain, ca 8 air mi E of confluence of Savery Creek and Little Snake River; ca 18.5 air mi E of Baggs.
Moist draw. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: southwestern lower slopes of Battle Mountain, ca 8 air mi E of confluence of Savery Creek and Little Snake River; ca 18.5 air mi E of Baggs.
Close proximity to spring. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: sand hills directly W of Bear Gulch, ca 5 air mi SW of Doty Mountain; ca 29.5 air mi SSW of Rawlins.
Sand dunes. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: top, northwest and southeast upper slopes of Doty Mountain, ca 1.5 air mi S of Muddy Creek; ca 30 air mi SSW of Rawlins.
Exposed slope. Phenology: flowering.

Draw bottom. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Alamosa Gulch just south of the Continental Divide and north of Slide Draw, ca 22 air mi SSW of Rawlins.
Draw. Phenology: flowering.

Spring area. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: on east side of Atlantic Rim, ca 2 air mi SW of Bridger Pass; ca 20.5 air mi SSW of Rawlins.
Near water pool. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: bottom and north side of Deep Gulch, ca 3 air mi SW of Cow Creek Butte; ca 35 air mi SSW of Rawlins.
Gumbo draw. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: north facing slopes and bottom of Garden Gulch, ca 1.5 air mi SW of Cow Creek Butte; ca 33 air mi SSW of Rawlins.
Moist draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: north facing slope of Dry Canyon, ca 2 air mi W of Pio Reservoir; ca 6 air mi NNE of Potter Mountain; ca 27.5 air mi SSE of Rock Springs.
Moist draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: southeastern top and upper slopes of Potter Mountain, including draw trending to the northeast on the east side of the mountain, ca 8 air mi NNE of Pine Mountain; ca 32 air mi SSE of Rock Springs.
Northeast-facing draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: along Vermillion Creek, ca 2.5 air mi SE of Wyo Hwy 430 intersection with Vermillion Creek; ca 42 air mi SSE of Rock Springs.
Creek bottom. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and upper slopes of Delaney Rim, ca 4 air mi W of northernmost point of Delaney Rim; ca 13.5 air mi WSW of Wamsutter.
Slump area. Phenology: fruiting.

Slump area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and slopes of Delaney Rim to flats below, ca 1 air mi S of Wells Bluff; ca 10 air mi SSW of Wamsutter.
Shaded draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and northeastern slope of Wamsutter Rim, ca 4.5 air mi SSW of Wamsutter.
Possible ephemeral spring in rim draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: S off Powder Rim toward the West Fork Cherokee Creek, ca 2 air mi NE of Anthill Knob; ca 22 air mi WNW of Baggs.
Sheltered draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: N off Powder Rim to Grindstone Wash, ca 2 air mi NE of Powder Mountain; ca 27 air mi WNW of Baggs.
Lower draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: Bitter Creek bottom and floodplain terrace, ca 1 air mi W of the confluence of Bitter Creek and Deadman Wash; ca 21.5 air mi ENE of Rock Springs.
Terrace above creek. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: below Rendle Rim, ca 1 air mi SSW of Rendle Butte; ca 30.5 air mi SSW of Rawlins.
Near spring fed pond. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: northwest slopes of Battle Mountain, ca 3 air mi N of Colorado; ca 18 air mi E of Baggs.
Shaded draw. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: draw into Cottonwood Creek from the S between Streckfus Draw and Wyo Hwy 789, ca 4 air mi NNW of Baggs.
Rocky outcrops with sandy soil. Phenology: fruiting.

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

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

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

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

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

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: draws and slopes draining S to Red Creek, ca 0.5 air mi N of Red Creek; ca 5 air mi NW of Pine Mountain; ca 34.5 air mi SSE of Rock Springs.
Moist draw Phenology: fruiting.

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

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: draws and slopes draining S to Sugarloaf Marsh Creek from Currant Creek Ridge, ca 0.5 air mi N of Spitzi Creek; ca 1.5 air mi W of Big Ridge; ca 29 air mi SSW of Rock Springs.
Draw bottom. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: creek bottom near the confluence of Alkali Creek and Scott Canyon Creek and adjacent hillsides and draws to the SE, ca 1.5 air mi NE of the Green River; ca 18 air mi WNW of Rock Springs.
Draw with sagebrush. Phenology: fruiting.

Adjacent to alkali pond. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: rock ledges, slopes and draws draining to Horsethief Canyon, ca 1.5 air mi S of South Superior; ca 0.5 air mi W of Horsethief Canyon; ca 16.5 air mi NE of Rock Springs.
Dry creek bottom. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: slopes and draws on sand knoll, ca 4.5 air mi E of Flaming Gorge Reservoir; ca 1.5 air mi S of Washam Wash; ca 32.5 air mi SSW of Rock Springs.
South-facing slope. Phenology: flowering & fruiting.

Steep east-facing slope. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and slopes draining S to South Baxter Basin, ca 0.5 air mi S of Wyo Hwy 430; ca 7 air mi SE of Rock Springs.
South-facing draw with sagebrush. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: slopes and draw bottom draining from Little Mountain SE to Red Creek, ca 0.5 air mi SE of U.S. Hwy 191; ca 4 air mi NW of Red Creek; ca 33 air mi S of Rock Springs.
In draw bottom, with grass. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: creek bottom and adjacent west-facing hillside of creek flowing northward into Little Red Creek, ca 4 air mi W of Pine Mountain; ca 1.5 air mi N of Tepee Mountains; ca 38 air mi SSE of Rock Springs.
Meadow adjacent to stream. Phenology: flowering.

Dry drainage. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: North Fork Encampment River, ca 2 air mi SW of Encampment.
Near old road on dry slope. Scattered locally; densly tufted, to 1 m tall. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre: Encampment River, ca 3.4 air mi S of Encampment.
Moist meadows near river. Frequent. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre: on ridge leading to Arbor benchmark from Camp Creek, N of the Hoback River, ca 2-3 air mi E of Hoback Junction, ca 12-13 air mi SSE of Jackson.
Chokecherry thickets.

Roadside. Phenology: flowering & fruiting.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Gannett Hills: N of Second Creek, ca 10 air mi SSW of Afton.
Sandstone and limestone hogback. Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Commissary Ridge: 0.5 air mi SE of Kemmerer Reservoir along powerlines E of paved road; ca 12 air mi NW of Kemmerer.
Rolling sagebrush-grasslands, southwest exposure with some aspen on northeast side of gravelly ridge, also along roadside. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Hams Fork Valley: Hams Fork ca 0.5-1 air mi SE of confluence with Pole Creek; ca 14 air mi E of Cokeville.
Along the river and adjacent sagebrush-grassland slopes with some aspen; limestone and sandstone outcrops occasional. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: North Fork Leeds Creek coming off Rock Creek Ridge, ca 11 air mi SSE of Cokeville; ca 26 air mi NW of Kemmerer.
Stony lower sagebrush slope near the stream. Phenology: buds.
with Russ Nelson

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Fogarty Canyon at the south end of Cretaceous Mountain, ca 14 air mi SW of Big Piney.
Meadow and canyon bottom. Phenology: buds.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: upper slopes of Wildcat Canyon, ca 3.5 air mi WSW of Clara Birds Nipple (Bird Nipple); ca 16 air mi SSW of Big Piney.
Steep sagebrush slopes. Phenology: buds.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: ca 6 air mi N of Kemmerer.
Sagebrush slopes with serviceberry and coralberry and grassy flats. Phenology: buds.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Commissary Ridge, ca 14 air mi N of Kemmerer.
Flats along stream, old homestead in aspen grove, and slope with sandstone outcrops. Phenology: flowering.

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

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

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Salt River Range: Big Fall Creek, ca 24 air mi SW of Big Piney.
Sagebrush slopes with limber pine and subalpine fir on limey slopes with limestone outcrops. Phenology: buds.

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

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Salt River Range: South end of Deadline Ridge, ca 3 air mi NW of Viola.
Rocky slopes and ridges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: east side of Commisary Ridge, ca 10 air mi SW of Viola.
Sagebrush slope and ridge with aspen groves, the ridge with sandstone outcrops. Phenology: buds.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Pine Creek, ca 2 road mi NNE of Pine Creek Ski Area, ca 8 air mi NE of Cokeville.
Stream bottom and shaley slopes. Phenology: buds.

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

U.S.A., Wyoming, Lincoln County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: southeastern corner of Hogsback Ridge, ca 22 air mi SW of Big Piney.
Limey, gravelly slopes and calcareous outcrops. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Indian Ridge, east flank: Bear Trap Creek, ca 0.5-1 trail mile from Fontenelle Creek.
Stream side and lower slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: northeast side of the Hogsback, ca 18 air mi SW of Big Piney.
Calcareous slopes and outcrops. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: off Wyo Hwy 120 on Red Ridge, ca 5.5 air mi E of Grass Creek Post Office; ca 26.5 air mi NW of Thermopolis.
Along a dry wash.

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: Forest Road 31 where Forest Road 3120 splits off, ca 11 mi N of La Grande.
Partial shade of Douglas fir, grand fir overstory; soil moist, fine, deep, brown. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Gooseberry Creek, ca 1 mi W of Wyo Hwy 120; ca 3.5 air mi E of Dickie (LU Ranch); ca 34.5 air mi NW of Thermopolis.
Willow-rose-gooseberry thickets in creek bottom.

U.S.A., Wyoming, Park County: Bighorn Basin: along Gooseberry Creek, ca 10.5 air mi SSE of Meeteetse.
Creek bottom.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Grass Creek, ca 4.5 air mi WSW of Grass Creek (town); ca 33 air mi NW of Thermopolis.
Flats along the creek.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: along Negro Creek near the junction with Cottonwood Creek, ca 3.5 air mi NE of Squaw Teat Butte; ca 36.5 air mi WNW of Thermopolis.
Creek bank.

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.
Sagebrush grassland.

U.S.A., Wyoming, Fremont County: Wind River Basin: along Beaver Creek, ca 5.5 air mi W of Beaver Rim; ca 10.5 air mi NW of Sweetwater Station; ca 24 air mi SE of Lander.
Creek bottom. Phenology: flowering & fruiting.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: North Platte River S of County Road 408, ca 0.3 air mi E of Pathfinder Dam; ca 9 air mi SW of Alcova townsite.
River banks and adjacent granite rocks; Rhus toxicodendron abundant. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absarokas: "Battleship Mountain", ca 2.5 air mi NW of Dead Indian Pass, ca 24.3 air mi NW of Cody.
Rubble covered clay slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Sand Draw in the vicinity of Sand Draw and Voss Springs, ca 5 air mi WNW of Kirby, ca 12.5 air mi NNW of Thermopolis.
Bench along the stream.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1.5 mi N of Silvertip Oil Field; ca 19 air mi NW of Powell.
Along drainage and flats above.

U.S.A., Wyoming, Park County: Northern Absarokas: along Dead Indian Creek in Sunlight Basin, ca 24 air mi NW of Cody.
Stony bench above creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Boxelder woods at foot of bluff in river bottom. Phenology: flowering & fruiting.
with Jan Pollet

U.S.A., Wyoming, Carbon County: Hanna Basin: ca 7.5 air mi W of Hanna, ca 28.5 air mi NNE of Rawlins, S of Big Ditch.
Common in sandy clay on upland sagebrush grassland with Artemisia tridentata and Atriplex gardneri.
with Tom Turner

U.S.A., Wyoming, Teton County: West Slope Wind River Range: along Purdy Creek NE of South Fork Fish Creek, ca 31.5-32 air mi ENE of Jackson.
Along old road.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain and vicinity: ridge ca 1 air mi E of Red Mountain summit, ca 27 air mi SW of Laramie.
Lee slope in mountain shrub community. Phenology: buds.

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.
Sandy flat. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: ca 20.5 air mi ESE of Lovell on U.S. Hwy 14 Alt., ca 23 air mi W of Burgess Junction.
Disturbed areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 7.5 air mi S of Kaycee on TTT Road (Lone Bear Road on map), above Murphy Creek.
Sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Big Horn Mountains: ca 10 air mi NE of Lost Cabin on Big Horn Trail, ca 32.5 air mi ENE of Shoshoni.
Moist meadow near small stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: ca 0.3 air mi E of Big Trails, ca 19 air mi SSE of Ten Sleep.
Grassy slope. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Big Horn Mountains: along Cottonwood Creek on the Lost Cabin-Nowood Road, ca 10.5 air mi N of Lost Cabin, ca 49.5 air mi NE of Riverton.
Sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: at the head of Tensleep Canyon on an old section of U.S. Hwy 16, ca 12.5 air mi NE of Ten Sleep.
Disturbed area.
with Gael Fonken

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: 23 1/4 mi W of Laramie, 2.1 mi S of Wyo Hwy 130; at the base of Sheep Mountain.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along the Middle Fork Powder River, ca 17 air mi SE of Big Trails, ca 28 air mi SE of Tensleep.
Brushy aspen slopes at the base of sandstone cliffs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along the Middle Fork Powder River, ca 17 air mi SE of Big Trails, ca 28 air mi SE of Tensleep.
Grassy sagebrush slope with scattered limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Wind River Indian Reservation: overflow area along South Fork Owl Creek, ca 25 air mi WNW of Thermopolis; ca 8 air mi SW of Hamilton Dome on Wyo Hwy 174.
Fence row.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along South Fork Owl Creek above Anchor Reservoir, ca 32 air mi W of Thermopolis.
Bottom of a draw in chugwater formation.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Neves Reservoir: at the foot of Tatman Mountain on the south side, ca 23 air mi WSW of Basin; ca 11.5 air mi S of Burlington.
Draws.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 5.5 air mi W of Hamilton Dome, ca 25 air mi WNW of Thermopolis.
Bottom of a draw.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Fremont County: Gas Hills Mining District; ca 7.0 air mi ENE of Junction of Wyo Hwy 136 and Ore Road (main road through the Gas Hills Mining District).
Slope E of East creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: Willow Creek, ca 5 air mi NW of Muddy Gap Junction (Three Forks).
Moist meadow beside creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Big Camp Creek Area, ca 6 air mi WSW of Muddy Gap Junction (Three Forks).
Stream banks. Phenology: flowering & fruiting.
with Georgia Haines and Nora Little

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

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

U.S.A., Wyoming, Natrona County: Granite Mountain Uplift: Dry Draw, ca 6 air mi NNW of Muddy Gap Junction.
Slopes and bottom of draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Sweetwater Rocks, ca 8 air mi ENE of Jeffrey City.
Big sagebrush drainage at base of mountains. Phenology: flowering & fruiting.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: Red Canyon Rim, ca 14 air mi SSE of Lander.
Patch of soil in nugget sandstone outcrop.

U.S.A., Wyoming, Natrona County: Sweetwater Rocks: Savage Pocket, ca 13 air mi NE of Muddy Gap Junction.
Yucca-sagebrush grassland just above meadow by creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Beaver Rim, ca 6 air mi NW of Sweetwater Station.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: Rock Creek Mountain, ca 18 air mi NNE of Sweetwater Station. Elev 6800-7100 ft.
Rocky slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: edge of Beaver Rim: W of Rock Creek Mountain, ca 17 air mi NNE of Sweetwater Station.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Soda Lakes: eastern shore and marsh along eastern shore of the lake farthest east; ca 8.5 air mi ENE of Jeffrey City.
Edge of marsh. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: ca 11 air mi SSE of Tipton.
Clay, hardpan plain, sand dunes; dune. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Green River Basin: Cedar Mountain, ca 11 air mi NNE of Burntfork.
Pebble surface on summit, hard clay slopes, thickets of aspen and serviceberry in drainages and on lower slopes, hillsides with sagebrush, and benches with holding pond and several small springs; drainages, slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Rock Springs Uplift: north side of Steamboat Mountain.
Large mesa, with limber pine woodlands, aspen, rocky slopes, mesa top with rocky sagebrush "meadows", occasional springs in pine forests, lower slopes with sage on loam/clay, sedge meadows, cliffs; slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Freighter Gap.
Rich hillside with Elymus cinereus and sagebrush, loose clay slopes and sandy slopes, rocky hillsides above gap, with small drainages; hillside. Phenology: flowering & fruiting.

Level sagebrush plains below, some hills with sandstone, meadows along seepage below springs; near meadows, with sage. Phenology: flowering & fruiting.

Rocky sagebrush plains and ridges, cobble surface on ridge top, rich drainages, large sandstone buttes with outcrops, talus slopes, aspen stand on north slope, stock pond below spring; rich hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Rock Springs Uplift: ca 0.5 mi E of Point of Rocks.
Sandstone cliffs and scree slopes, sandy cobble bench above with scattered sand dunes; drainage along base of slopes and cliffs. Phenology: flowering & 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; ravine. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Caprock topped mesa, sagebrush/grassland on lower slopes, limber pine scattered, rocky slopes, loose sandy slopes, plains at summit, with occasional wet depressions; slopes, drainageways. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Flats and bottoms along creek; bottoms. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: South Middle Pumpkin Butte.
Limber pine slopes, rocky slopes, small pools of water on upper east slopes, plains and outcrops on summit; upper east slopes. Phenology: fruiting.

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

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

U.S.A., Wyoming, Natrona County: Powder River Basin: ca 19 air mi S of Kaycee.
Sagebrush plains, sandstone outcrops, dominated by Cercocarpus ledifolius; at base of outcrops. Phenology: flowering & fruiting.

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; ditch near campground. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Stoney hills with Cercocarpus ledifolius, rolling plains below, occasional intermittent streams; draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: east side of Lake De Smet.
Deep cut draw in clinker bed, edge of lake with much cattle activity beneath plum thicket; draw. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: Teapot Dome, ca 12 air mi SSE of Midwest.
Sandy plains, ridges, outcrops, deep cut draws; draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: Boxelder Creek, ca 5 air mi ENE of Lake De Smet.
Meadows along creek, sandy plains, ridges; meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: Clear Creek and Hunter Creek, at base of Hunter Ridge, ca 0.5 mi W of Hunter Ranger Station.
Outcrops at base of ridge; lower hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 mi WSW of Meeteetse, along Timber Creek in the vicinity of the Timber Creek Ranger Station.
Along the creek in wet areas and adjacent banks; open meadows. Phenology: flowering & fruiting.
Robert S. Kirkpatrick, 2017. 8/13/1983.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 25 air mi W of Meeteetse, in the vicinity of the junction of Jack Creek and the Greybull River.
Big sage with patches of limber pine and Engelmann spruce; rocky creek floodplains. Phenology: flowering & fruiting.
Robert S. Kirkpatrick, 2227. 8/18/1983.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 10 air mi NE of Dubois, on the north end and in the vicinity of Black Mountain.
Pseudotsuga menziesii and Pinus flexilis on limestone scree and talus with scattered rocky outcrops; scree and talus areas. Phenology: flowering & fruiting.
Robert S. Kirkpatrick, 3894. 7/12/1984.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 7 air mi NNE of Dubois, south side of Spring Mountain.
Dry watering hole.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 13 air mi NNW of Dubois, ca 2 air mi SW of Ramshorn Peak, in the vicinity and N of Five Mile Creek.
Sagebrush grasslands; moist areas.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 22 air mi SW of Meeteetse, in the vicinity and west of the junction of the Middle Fork of the Wood River and Beaver Creek.
Sagebrush grasslands; dry areas.

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

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

U.S.A., Wyoming, Natrona County: 5 air mi NNE of Arminto.
Limestone outcrops, red beds, and shaley slopes. Phenology: fruiting.
Annotated by Keith H. Dueholm on 8//1983.

U.S.A., Wyoming, Natrona County: Wind River Basin: ca 6 air mi NNE of Arminto.
Chugwater red beds topped by limestone. Phenology: fruiting.
Annotated by Keith H. Dueholm on 8//1983.
with B. E. Nelson

U.S.A., Wyoming, Natrona County: Big Horn Mountains: ca 13.5 air mi NNE of Arminto.
Limestone outcrops on south-west exposure. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Fremont County: Castle Gardens, ca 17 air mi SSE of Moneta.
Sandstone outcrops, badlands, and sandy plains. Phenology: flowering & fruiting.

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, Fremont County: Ice Slough, ca 9 air mi WNW of Jeffrey City.
Hills just to the north of the slough. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Sentinel Rocks: West Beef Acre Spring, ca 4.4 air mi E of Wyo Hwy 220; ca 4.2 air mi SW of Independence Rock.
Sagebrush and basin wild rye. Phenology: flowering.

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

U.S.A., Wyoming, Park County: Northern Absarokas: Little Bald Ridge and Little Sunlight Creek, 2-3 air mi W of Sunlight Ranger Station.
Limestone talus slopes, ridges, and caprock, stream bottoms with willow and cottonwood, and disturbed roadsides; slopes and ridges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Ishawooa Hills and Creek.
Sedimentary substrate of shales and sandstone and derivatives; sagebrush hills and slopes and badlands.
with Neil Snow

U.S.A., Wyoming, Park County: Southwestern Absarokas: Deer Creek trail, from trail head on South Fork Road to ca 2 mi W.
East exposed slope of sandstones and shales with sagebrush and limber pine and south slopes with douglas fir and some igneous outcrops.
with Neil Snow

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: Long Elk Ridge, 11 air mi SE of Togwotee Pass.
Sagebrush slopes and adjacent lodgepole and douglas fir forests.
with Neil Snow

U.S.A., Wyoming, Teton County: West Slope Wind River Range: South Fork Fish Creek between Purdy and Hackamore Creeks.
Meadows, gravel bars, and adjacent lodgepole pine forests.

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: ca 4 air mi NW of Wyo Hwy 28 on road SW and paralleling Sweetwater River canyon.
Granitic/metamorphic canyon slopes and canyon bottom; slopes.
with Jonathan Hughes

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: campground at junction of Sweetwater River and Clear Creek.
Streamsides and slopes; slopes.
with Jonathan Hughes

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: hogback immediately NW of Sheephead Mountain.
Occasional in ravine on steep north exposure. Phenology: fruiting.
with Barry Hammel

U.S.A., Wyoming, Campbell County: Powder River Basin: Wyo Hwy 387, ca 1 road mi E of Johnson County.
Roadside. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: Pumpkin Buttes: North Middle Butte.
Top and upper slopes of butte. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: Pumpkin Buttes: South Middle Butte.
Upper slopes on north side. Phenology: flowering & fruiting.

U.S.A., Washington, Asotin County: Umatilla National Forest and Vicinity: Menatchee Creek and Trail, ca 5 mi S and 12 mi W of Anatone.
Riparian areas; slope 0-5; aspect riparian. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Adjacent to Wyoming Highway 191 and Duck Creek, 3.5 road mi W of Pinedale.
Sagebrush-rabbitbrush grassland on dry, sandy soil of road margin. Phenology: fruiting.
with N. Duane Atwood

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: north shore of New Fork Lakes, ca 17 air mi N of Pinedale.
Rocky/sandy beach.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: west bank of Willow Lake, ca 9 air mi NNW of Pinedale.
Dry, sagebrush-rabbitbrush community adjacent to lake.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Broad floodplain between bluffs with extensive meadows. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1 air mi SW of Notches Dome off Notches or County Road 106, ca air mi NNW of Powder River; ca 43 air mi NW of Casper.
Weedy slope of sandstone draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Okie Draw W of Lester-Arminto or County Road 108, ca 10 air mi ENE of Arminto; ca 47 air mi NW of Casper.
Eroding bluffs along creek bed. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: at the west end of Cottonwood Rim above Cottonwood Creek, ca 2.5-3 air mi S of Three Buttes, ca 17 air mi N of Powder River; ca 47 air mi NW of Casper.
Badlands, sparsely vegetated slopes and gullies with scattered Artemisias and Atriplexes. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1/4-0.5 mi WNW of Big Sulfer Spring, ca 20 air mi NE of Powder River; ca 40 air mi NW of Casper.
Bottoms of draws and small meadows. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: upper Gillam Draw on the west side of Pine Ridge, ca 53 air mi NW of Douglas; ca 11.5 air mi SW of Ross.
Dry benches in the drainage channel. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: above the head of Shonsy Draw off Pine Ridge, ca 28 air mi NNW of Glenrock; ca 47.5 air mi NW of Douglas.
Grassy slopes between the rim and badlands. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Emigrant Gap Ridge, ca 12 air mi W of Casper.
Sandy and shaly areas with ponderosa pine on ridges. Phenology: flowering.

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 & 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: buds.
with Thomas W. Nelson

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

Hillside aspen, sagebrush, and Douglas fir at base of cliffs. Phenology: flowering & fruiting.
with Jane T. Kellett and Steve Laster

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Southern Sublette Range: ca 7 air mi N of Cokeville.
West-facing hillside, lower sage slopes, middle open meadow slopes, and upper Cercocarpus slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Green River Basin: hill W of West Pacific Creek, ca 14 air mi SW of South Pass City.
Sagebrush hillside, windswept tops, and badlands. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Fremont Butte, ca 6 air mi E of Boulder.
Sagebrush hillsides with granite outcrops. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 12 air mi N of Cora.
Pothole lakes and nearby meadows, aspen hillsides, Douglas fir stands, and sagebrush hillsides. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: County Road 315, ca 1 air mi SE of Viola.
Roadside meadows and willow lined ditches between irrigated fields. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Sheep Creek, ca 8.5 air mi NW of Viola.
Sagebrush canyon bottom and side with aspen and various conifer stands and a hillside spring. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Warren Bridge, ca 9 air mi N of Daniel Junction.
Riverside meadows, willows, and sagebrush. Phenology: flowering.

Reservoir edge, meadows, and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: New Fork River, ca 10 air mi E of Big Piney.
Riverside meadows, willows, and sagebrush. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Lincoln County: Green River Basin: ca 15.5 air mi SSW of La Barge.
Sandy sagebrush hillside.

U.S.A., Wyoming, Lincoln County: Green River Basin: ca 13.5 air mi NE of Kemmerer.
Sagebrush and Atriplex flats at the base of a mesa. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Green River Basin: south end of Slate Creek Ridge, ca 11.5 air mi NNE of Kemmerer.
Wet meadow draw with sagebrush sides and shrub islands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Flat Top, ca 10.5 air mi SE of Big Sandy.
Thick sagebrush mesa side. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: [location and coordinates withheld]
Sagebrush hillside with Amelanchier stands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 5.5 air mi E of Fontenelle Dam.
Sand dune sagebrush hills with Grayia and Tetradymia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 8 air mi W of Farson.
Sagebrush grassland hillsides and draws. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Camp Creek, ca 21.5 air mi WNW of Big Piney.
Gravel sagebrush hillside with Amelanchier stands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Red Canyon, ca 18.5 air mi WNW of Big Piney.
Steep gravel canyonside with sparse sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Water Hole Draw at Big Sandy River, ca 23.5 air mi N of Farson.
Sandy sagebrush draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Boulder Creek, ca 5 air mi N of Boulder.
Rocky sagebrush hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: pipeline W of Bolten Creek or County Road 404, ca 9.3 air mi NE of Alcova townsite; ca 21.5 air mi SW of Casper.
Shale and gypsum hills of sagebrush, greasewood, and rabbitbrush; draws and ridge of ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Creek bottom in spruce-pine forest. Phenology: fruiting.
with Dennis Horning

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Rim Lake or BLM Road 3420, ca 7.5 air mi SW of Rawlins.
East facing shale slope with sagebrush. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Indian Hill E of County Road 1, ca 7.5 air mi S of Medicine Bow townsite.
Chalky hills of ponderosa pine; mountain mahogany and sagebrush. Phenology: flowering.

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
In campground, most of which are pure stands of smooth brome. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Dugway Rim S of old Casper-Medicine Bow Road, ca 10.5 air mi NE of Shirley Basin townsite.
Gravelly south-facing draw; sagebrush, snowberry, fescue, and wild buckwheat common. Phenology: flowering.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Porcupine Creek from trailhead ro 3/4 air mi ESE, ca 3-3.5 air mi SSE of intersection of U.S. Hwy 191 and Mont Hwy 64 (Big Sky), ca 33 air mi SSW of Bozeman.
Dry stony slopes. Phenology: flowering & fruiting.
Accession: RM 872061, Barcode: USFS0064855

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: saddle between head of Yankee and Jack creeks on Forest Road 3138 ca 3/4 air mi SW of Noon Point, ca 15 air mi SW of Bozeman.
Along abandoned logging road. Phenology: flowering & fruiting.
Accession: RM 872062, Barcode: USFS0064856

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: northern rim of Shirley Basin W of Wyo Hwy 77, ca 11.6 air mi NW of Shirley Basin townsite.
North-facing slope; snow catch area dense with aspen, chokecherry, snowberry, and gooseberry. Phenology: flowering.

U.S.A., Montana, Stillwater County: Beartooth Mountains: along Mont Hwy 420, ca 3/4 mi N of Beehive, ca 31 air mi NW of Red Lodge.
Volcanic tuft (ash substrate) cliffs and surrounding slopes dominated by annual weedy forbs with very few trees, area recently burned. Phenology: flowering & fruiting.
with Brian Elliott

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: near Cinnabar Mountain, ca 40 air mi SSW of Livingston; ca 7.5 air mi NW of Gardinar.
Open slopes and plateau dominated by sagebrush and mixed forbs on decomposing granite. Phenology: flowering & fruiting.
Accession: RM 872059, Barcode: USFS0064853

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Forest Road 348, along Sixmile Creek, ca 31 air mi SSW of Livingston.
Open meadow on southwest-facing slope. Phenology: flowering & fruiting.
with Ken Elliott

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.
with Kenneth Elliott

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: adjacent to North Bennett Creek drainage, ca 7-9 air mi NW of Clark; ca 29.5-31 air mi NW of Powell.
Sagebrush-grassland foothills on shale substrate. Phenology: flowering & fruiting.
with Ronald L. Hartman

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Clarks Fork Canyon, ca 11.5 air mi SE of Beartooth Pass, ca 25.5 air mi NW of Cody.
Grassland in sagebrush in what looks like alluvial deposits, with Pinus flexilis intermittent. Phenology: flowering.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: ca 4 air mi SW of Nye, along Stillwater River.
Roadside park along the river and adjacent limestone outcrop. Phenology: flowering & fruiting.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Beehive Rock and vicinity, 0.5-1 air mi N of Beehive.
Limestone outcrops with slopes; area burned in forest fire in 2006; very motley mix of natives and exotics. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Low area dominated by Bromus tectorum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Platte River Wilderness: along Trail 506 and Douglas Creek, 1 air mi E of Pike Pole Campground, ca 44 air mi SW of Laramie; ca 29 air mi SE of Saratoga.
Rocky meadow on south-facing slope; sagebrush dominant. Phenology: buds.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: S of Elkhorn Creek and North Platte River area W of Forest Road 534, ca 48 air mi SW of Saratoga.
Along creek. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: above the Little Laramie River, ca 1 mi W of Sheep Mountain along Wyo Hwy 11, ca 2 air mi S of intersection with County Road 416 (Dinwiddie Road), ca 5 air mi SE of Centennial and ca 4 air mi NNE of Albany.
Dry roadside in sagebrush steppe. Phenology: fruiting.
with Bernadette Kuhn

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: along Sunrise Creek on BLM Road 3429 (Jelm Mountain Lookout Road) at the south base of Jelm Mountain, ca 3.7 air mi SSE of Woods Landing; ca 26.7 air mi SW of Laramie.
North-facing aspen slope above the stream. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Hanna Basin: Halleck Ridge from Rattlesnake Pass NE ca 2 air mi, ca 10-12 air mi S of Hanna; ca 8.5-9 air mi W of the town of Elk Mountain.
Lee slope and ravines. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: Miner Creek and canyons and ridge to the NW, ca 1/4 below confluence of North and South forks, ca 4 air mi SSW of Encampment.
Brushy northerly-facing slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: just W of Platte River Wilderness boundary and S of Sixmile Gap Campground, ca 23 air mi SE of Encampment and ca 1.5-2.5 air mi N of Colorado.
In and along creek between sagebrush steppe and wooded hillside. Phenology: buds.

U.S.A., Wyoming, Carbon County: Saratoga Valley: North Platte River E of Savage Meadows, ca 5 air mi SW of I-80 exit 235 (Walcott Junction) and ca 16 air mi NNW of Saratoga.
Sandy parking area next to river, meadows and sagebrush hills nearby. Phenology: buds.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Bennet Peak and near North Platte River and campground, ca 28 air mi NE of Encampment and ca 14 air mi SW of Ryan Park.
Banks of the river. Phenology: buds.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Buck Springs Draw area S of County Road 205 Lake Creek Road), ca 5 air mi NE of Saratoga and ca 6 air mi SE of Sixmile Hill.
Draw in sagebrush hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: W of the Platte River Wilderness, just W and SW of Elkhorn Point, ca 20 air mi SE of Encampment and ca 4 air mi N of Colorado.
Sagebrush hills. Phenology: buds.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: 3-3.5 mi ESE of Bennett Peak between North and South forks Corral Creek, ca 13 air mi ENE of Encampment and ca 19 air mi SE of Saratoga.
Sagebrush hills. Phenology: fruiting.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: Forest Road 2140 between Stillwater River and Picket Pin Creek, around forest boundary, ca 28 air mi S of Big Timber.
Dry sagebrush meadow with scattered clumps of Pseudotsuga menziesii and Pinus flexilis; area disturbed by heavey recreation and cattle use. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: Cook Mountain Hiking and Riding Area: in the vicinity of Cliff Spring and areas SE, W of Forest Road 4772, ca 9 air mi NE of Ashland.
Grass-dominated rocky slope. Phenology: fruiting.

U.S.A., Montana, Lake County: About 4.2 mi NW of Polson near Hwy 93.
Open grassy slopes, at edge of old road; with Stipa comata. Phenology: flowering & fruiting.
2. Leymus cinereus (Scribn. & Merr.) A. Löve
Annotated by M. Barkworth in 1982. Determined with R. J. Atkins

U.S.A., Montana, Park County: Along Route 540.
T7S R7E S3 W1/2
Roadside. Common; growing in large tufts. Phenology: flowering & fruiting.

U.S.A., Montana: Missoula: Milwaukee railroad tracks.
3. Leymus cinereus (Scribn. & Merr.) A. Löve
Annotated by M. Barkworth in 1983. Determined with R. J. Atkins.

U.S.A., Montana, Park County: Springdale.
4. Leymus cinereus (Scribn. & Merr.) A. Löve
Annotated by M. Barkworth in 1982. Determined with R. J. Atkins.

U.S.A., Montana, Broadwater County: Townsend.
Annotated by M. Barkworth in 1982. Determined with R. J. Atkins.

U.S.A., Montana, Gallatin County: Belgrade.
Dry situations. Phenology: flowering & fruiting.
Annotated by M. E. Barkworth in 1983. Determined with R. J. Atkins
Elam Bartholomew, 5264. 9/3/1913.

U.S.A., Montana, Big Horn County: SW of Big Bull Elk Creek, along Yellowtail Reservoir.
Active sand dunes. Phenology: flowering & fruiting.

U.S.A., Montana, Glacier County: Midvale (now East Glacier Park).
Plains. Phenology: flowering & fruiting.

U.S.A., Montana: Anaconda.

U.S.A., Montana, Gallatin County: Three Forks.

U.S.A., Montana, Beaverhead County: Beaverhead National Forest: Aspen Camp.
T5S R10W S9
15% southwest slope; sandy loam soil; grassland with Hordeum, Bromus tectorum. Locally frequent. Phenology: flowering & fruiting.

U.S.A., Montana, Granite County: Deer Lodge National Forest: Horse Canyon.
Flat ground; dry, gravelly, sandy loam soil; grassland with Gr. willow, sage. Abundant in patches. Phenology: flowering & fruiting.

U.S.A., Montana, no county County: Beaverhead National Forest.
Rocky soil. Phenology: flowering & fruiting.

U.S.A., Montana: Jefferson National Forest.
North slope; dry soil; with rye grass, sheep fescue. Phenology: flowering & fruiting.

U.S.A., Montana: Gallatin National Forest: Cinnabar "C. and H. Div."
South slope; shallow soil. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Otter Creek, Howes' Ranch.
Moist creek bank. Phenology: flowering & fruiting.

U.S.A., Montana: Beaverhead National Forest: Warm Spring Creek.
T5S R14W S8
Flat ground; deep clay soil; open range. Phenology: flowering & fruiting.
Charles G. Burdick, D39. 7/13/1923.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Blue Gulch N of Wyo Hwy 220, ca 3.2 air mi NW of Alcova townsite.
Draw with sagebrush, rabbitbrush, and wild licorice. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Plains: Hutton Lake National Wildlife Refuge: ca 10 air mi SW of Laramie.
Greasewood/grassland uplands, near open water. 7.5' Hutton Lake Quad Phenology: flowering.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in Bridge Canyon, ca 1 air mi E of Taylor Butte, ca 2 air mi ESE of Fort Howes.
East-facing slope in hardwood draw with Prunus and grass-dominated understory. Phenology: fruiting.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: Tongue River Breaks Hiking and Riding Area: along North Fork Poker Jim Creek, ca 3.5 air mi N of Poker Jim Butte, ca 15.5 air mi SSW of Ashland.
Southwest-facing rocky slope dominated by grasses. Phenology: fruiting.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: just SE of Cottonwood Spring in vicinity of unnamed reservoir off of Forest Road 4801, ca 2.5 air mi WSW of Poker Jim Butte, ca 21 air mi SSW of Ashland.
Rocky and sandy slope above reservoir with green ash, ponderosa pine, Juniperus, and grasses. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Alcova Reservoir: Fremont Canyon at end of Lake Shore Drive, ca 4 air mi SW of Alcova townsite.
Red beds and rocky slopes of ponderosa pine. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Red Table Mountain: White River National Forest: Freeman Picnic Area and slopes on north shore of Ruedi Reservoir, ca 14 air mi E of Basalt.
Dry to mesic slopes and riparian wetlands above reservoir. Phenology: flowering & fruiting.
Michael K. Kirkpatrick, 1639. 6/20/2010.

U.S.A., Colorado, Eagle County: White River National Forest: cliffs uphill from Taylor Creek, ca 2 air mi ENE of Christine State Wildlife Area and ca 5 air mi ENE of Basalt.
Sandstone cliffs and loose slopes with scattered pinyon-juniper and mixed shrubs. Phenology: flowering & fruiting.
Michael K. Kirkpatrick, 1765. 6/20/2010.

U.S.A., Colorado, Eagle County: White River National Forest: Gypsum Creek, just N of Dewey Park, ca 8 air mi SSE of Gypsum.
Oak-conifer uplands and roadside. Phenology: flowering & fruiting.
Michael K. Kirkpatrick, 1905. 6/24/2010.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Basin: Dome Rock Reservoir E of County Road 291, ca 4.5 air mi N of Leo.
Cottonwoods, willows, and graminoids on reservoir banks. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: drainage W of BLM Road 3108, ca 1.8 air mi NE of Kortes Dam.
Cottonwood, chokecherry, and Rocky Mountain maple lined creek. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: drainage W of BLM Road 3108, ca 1.6 air mi NE of Kortes Dam.
Slopes and draw of sagebrush, snowberry, basin wild rye, and scattered ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Along Bear Creek.
Gentle slopes. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Pathfinder Reservoir: North Platte River E of BLM Road 3108, ca 4.2 air mi N of Kortes Dam.
Greasewood flats at rivers edge; disturbed. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: The Dry Lakes S of Beaver Rim or BLM Road 2401, ca 14.3 air mi NE of Jeffrey City.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Montana, Phillips County: American Prairie Reserve: Box Elder Creek and hills above, ca 4 air mi E of Indian Lake, ca 38.5 air mi ESE of Zortman; ca 44 air mi SSE of Malta.
Roadside on clay. Phenology: flowering.
Joseph L. M. Charboneau, 5728. 6/24/2011.
with Mark Majerus, Michael Dolan, Noorjahan Parwana, Katie Butts, and Mary Frieze

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: West Sage Hen Rocks and Creek, ca 16 air mi NE of Jeffrey City.
Creek lined with cottonwood, willow, and birch. Phenology: flowering & fruiting.

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: vicinity of Surprise Trailhead near the end of Cataract Creek Road, ca 19 air mi NW of Silverthorne at I-70.
Bench above the creek with forbs and scattered sagebrush. Phenology: flowering & fruiting.

U.S.A., Colorado, Summit County: Williams Fork Mountains: Arapaho National Forest: along Cottonwood Gulch and ridge between Cottonwood and Laskey gulches from Colo Hwy 9 NE ca 1 air mi to above the head of Laskey Gulch at the base of the cliffs below Williams Peak, ca 18.5-19 air mi NNW of Silverthorne at I-70.
Lee slope with snow accumulation. Phenology: flowering & fruiting.

U.S.A., Colorado, Summit County: Williams Fork Mountains: Arapaho National Forest: lower end of Miller Gulch above Green Mountain Reservoir and Colo Hwy 9, ca 18 air mi NNW of Silverthorne at I-70.
Canyon bottom with scattered Douglas fir. Phenology: flowering & fruiting.

U.S.A., Colorado, Pitkin County: White River National Forest: Perham Creek, between Assignation Ridge and the Crystal River, ca 9 air mi S of Carbondale.
Dry, rocky, south-facing slope with oak, pinyon pine, juniper, and mountain shrubs. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Blue Valley Ranch: Downhill (SE) of Hydro approx. 100 meters, just above ditch.
Phenology: flowering.

U.S.A., Colorado, Grand County: Blue Valley Ranch: S of Camp Creek Junction.
Decaying aspen stand in mountain shale on northeast aspect. Phenology: flowering.

U.S.A., Colorado, Grand County: Blue Valley Ranch: S of Henney Homestead.
Disturbed area in stony loam on west aspect. Phenology: flowering.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: ca 4 air mi SW of Nye, along Stillwater River.
Roadside park along the river and adjacent limestone outcrop. Phenology: flowering & fruiting.
Accession: USFS (unaccessioned), Barcode: USFS0047968

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: Forest Road 2140 between Stillwater River and Picket Pin Creek, around forest boundary, ca 28 air mi S of Big Timber.
Dry sagebrush meadow with scattered clumps of Pseudotsuga menziesii and Pinus flexilis; area disturbed by heavey recreation and cattle use. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0047967

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.
Wet meadow of graminoids and forbs. Phenology: flowering.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in Bridge Canyon, ca 1 air mi E of Taylor Butte, ca 2 air mi ESE of Fort Howes.
East-facing slope in hardwood draw with Prunus and grass-dominated understory. Phenology: fruiting.
Accession: (unaccessioned), Barcode: USFS0050159

U.S.A., Colorado, Delta County: North Fork Valley: along side road between Bowie and Colo Hwy 133, ca 6 air mi NE of Paonia.
Roadside above riparian area. Phenology: flowering & fruiting.
1. Elymus cinereus Scribn. & Merr..

U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley; ca 100 m W of North Fork channel; 32.8 air mi W of Cody.
Wet meadow, silty and gravelly alluvium, Elymus cinereus community. FS-02-14-04-93-NC-005 Phenology: flowering & fruiting.
with S. Gottschlich and R. Bechtloff

U.S.A., Wyoming, Fremont County: Bonneville National Forest
In rocky soil. Phenology: flowering & fruiting.
Wilber Goodson, 296. 8//1912.

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: valley of Bear Creek below Methodist Gulch, 8.4 air mi NE of Mackay.
Well developed soil in xeric Douglas-fir vegetation; 9° slope, NNE aspect; silty, sandy limestone geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Salmon Uplands between Clayton and Challis: Salmon River NW of Germer Peak just upstream of Ida Hwy 75 bridge., 6.8 air mi S of Challis.
Well developed soil in xeric shrub-steppe vegetation; 16° slope, SE aspect; feldspathic quartzite geology. 1-25 individuals apparent. Phenology: flowering & fruiting.
with Craig Scott

U.S.A., Idaho, Custer County: Little Lost River Valley: Barney Hot Springs outlet area, 15.8 air mi SW of Gilmore.
Well developed soil in xeric grassland vegetation; 0° slope; alluvial geology. 26-75 individuals apparent. Phenology: flowering & fruiting.
with Wendy Irwin

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 6.5 air mi NNW of Lonetree; ca 1.2 road mi SW of Wyo Hwy 414.
Dry wash. Phenology: flowering & fruiting.
with Walter Fertig

U.S.A., Idaho, Custer County: Challis National Forest: Pioneer Mountains: "Iron Bog", 20.1 air mi SSW of Mackay.
Well developed soil in mesic shrub-steppe vegetation; 6° slope, SE aspect; siliciclastic sedimentary geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A, Idaho, Custer County: Challis National Forest: Pioneer Mountains: Dry Canyon, alluvial bottomland near the confluence with Antelope Creek, 18.5 air mi N of Mackay.
Dominant population in xeric soil within shrub-steppe vegetation, no slope, limestone geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: near Bear Valley Creek at the Wright Creek confluence, 20.7 air mi WNW of Leadore.
<25 plants estimated in mesic soil within shrub-steppe vegetation, 8 degree slope, SW aspect, quartzite geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: lower end of Lemhi Union Gulch, 19.6 air mi SSE of Leadore.
<25 plants estimated in mesic soil within shrub-steppe vegetation, 33 degree slope, SE aspect, alluvial geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Lemhi County: Birch Creek Valley: Birch Creek tributary ca 0.9 mi N of the confluence with Rocky Canyon, 35.0 air mi SE of Leadore.
In xeric soil within shrub-steppe vegetation, no slope, alluvial geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Lemhi County: Pahsimeroi Valley: mountain slope between Tater and Morse creeks, 20.5 air mi ENE of Challis.
Dominant population in xeric soil within desert scrub vegetation, 21 degree slope, SW aspect, alluvial geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Custer County: Thousand Springs Valley: Thousand Springs recreation site just S of Whiskey Springs, 16.3 air mi SW of Mackay.
Dominant population in xeric soil within shrub-steppe vegetation, no slope, alluvial geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Butte County: Challis National Forest: Lemhi Range: Middle Canyon ca 0.4 mi N of parking area, 24.8 air mi NE of Arco.
25-75 plants estimated in xeric soil within a forb dominated vegetation, 26 degree slope, S aspect, limestone geology. 25-75 plants estimated. Phenology: flowering & fruiting.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: lower canyon along Big Bear Creek, 11.3 air mi E of Leadore.
Dominant population in xeric soil within shrub-steppe vegetation, no slope, chert geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Custer County: Challis National Forest: Eastern Boulder Mountains: valley of the North Fork Big Lost River, between Slide and Corral canyons, 16.5 air mi NNE of Sun Valley.
<25 plants estimated in mesic coarse textured soil within shrub-steppe vegetation, 4 degree slope, SSE aspect, shale geology. Phenology: flowering & fruiting.
with Ben Legler

U.S.A, Idaho, Custer County: Targhee National Forest: Lemhi Range: North Fork Eightmile Canyon, 32.7 air mi ENE of Mackay.
Dominant population in xeric soil within a Douglas-fir vegetation, 11 degree slope, ESE aspect, limestone geology. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Northern Salmon River Mountains: Salmon Wild and Scenic River: Salmon River Trail from ca 1 mi E to Horse Creek.
Trail with steep boulder field on either side, shrubs scattered along river. Phenology: flowering & fruiting.
with Emma E. Stewart

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.
Grasslands dominated by Elymus cinereus. Phenology: flowering & fruiting.
1. Elymus cinereus Scribn. & Merr..

U.S.A., Montana, Madison County: Tobacco Root Mountains: North Willow Creek, ca 2 air mi SW of Pony, ca 4.5 air mi NE of Hollowtop Mountain.
Along a seep at ecotone between grasslands and open Pseudotsuga menziesii forest. Phenology: flowering & fruiting.
1. Elymus cinereus Scribn. & Merr..

U.S.A., Montana, Madison County: Gravelly Range: Johnny Gulch, ca 7.5 air mi WSW of McAtee Bridge, ca 20 air mi SSW of Ennis.
Tall forb community on lower slopes. Phenology: fruiting.

U.S.A., Colorado, Summit County: Williams Fork Mountains: Arapaho National Forest: along Cottonwood Gulch and ridge between Cottonwood and Laskey gulches from Colo Hwy 9 NE ca 1 air mi to above the head of Laskey Gulch at the base of the cliffs below Williams Peak, ca 18.5-19 air mi NNW of Silverthorne at I-70.
Lee slope with snow accumulation. Phenology: flowering & fruiting.
Accession: USFS (unaccessioned), Barcode: USFS0060995

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Danforth Hills: Devils Hole Gulch, ca 10 air mi N of Meeker.
Pinyon pine-oak scrubland, ridges and slopes.
Accession: USFS (unaccessioned), Barcode: USFS0061589

U.S.A., Wyoming, Lincoln County: Overthrust Belt: canyon on east side of Rock Creek Ridge, 5.5 mi E of Sage Junction, 6.5 mi W of Fossil Butte.
zone 12T, 510573E, 4631077N; NAD 83, Specimen Label
Community of Artemisia tridentata var. tridentata-Elymus cinereus on gravelly clay soil at bottom of canyon; with Linum lewisii, Achnatherum hymenoides, Chrysothamnus viscidiflorus, & Elymus elymoides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Seminoe-Alcova Backcountry Byway N of Seminoe Dam.
Elev. 1017
Large grained sand; on mountain roadside; slope 0-5 deg; with Achillea millefolium, Populus tremuloides, Pinus ponderosa, Artemisia sp., Phenology: fruiting.
with Rebecca Upjohn

U.S.A., Wyoming, Carbon County: 5 mi NW on Rendle Butte Road, ca 24.7 air mi NNE of Baggs.
Sandy loam; on hillsides/basins; slope 0-25 deg; aspect east and west; with Artemisia tridentata and Achillea millefolium. Otherwise grows in monoculture strands. Phenology: flowering & fruiting.
with Rebecca Upjohn

U.S.A., Wyoming, Carbon County: Haystack Mountains: along the North Platte River on Seminoe or County Road 351 in the Lower Dugway, ca 11 air mi NE of Rawlins.
Shalestone; very dark grayish brown silt soil; riparian/riverside; 0 slope; with Sporobolus airoides, Bromus tectorum, Grindelia subalpina, Sarcobatus vermiculatus, Ribes aureum, Hordeum jubatum, Symphoricarpos occidentalis, Rosa sayi, Salix sp., Iva axillaris, and Lepidium perfoliatum. Phenology: flowering & fruiting.
with Elise McClelland

U.S.A., Utah, Uintah County: Southwestern Wyoming and Adjacent Utah: ca 17 air mi SE of Dutch John; 4.9 mi W of Colorado on both sides of Crouse Creek Road.
Steep creek side, Acer. Phenology: flowering & fruiting.
with Duane Atwood and Lucy Jordan

Meadow, pasture. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.
Along creek; chokecherry, hawthorn, willow, boxelder, and sagebrush common. Phenology: fruiting.
with Kevin J. Taylor

U.S.A., Wyoming, Fremont County: Lysite Badlands: between Moneta-Lysite Road and Upper Day Gulch.
Wash at head of draw below brown sandstone cliff. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Washakie Basin: along China Butte Road between Chicken Springs Wash and Holler Draw above Muddy Creek, ca 1.5 air mi W of China Butte, ca 32 air mi SW of Rawlins.
Elev. 3739
Fort Union formation, fine to coarse sandstone, carbonaceous shale, coal, siltstone; light brownish gray loamy clay soil; slope <5 deg, aspect northeast; moist sagebrush scrub, with Artemisia tridentata var. tridentata, Chrysothamnus viscidiflorus, Atriplex gardneri, Sarcobatus vermiculatus, Poa secunda, Juncus sp. Phenology: flowering & fruiting.
Annotated by Bonnie Heidel.
with Julia Battisti

U.S.A., Wyoming, Carbon County: Washakie Basin: along Wild Cow Creek, ca 2 air mi NNW of Lone Butte, ca 37.5 air mi SW of Rawlins.
Mesa Verde formation, fine to medium grained sandstone, cross-bedded sandstone, carbonaceous siltstone and shale, coal beds; yellowish brown clay loam soil; slope <5 deg, aspect southwest; saline moist basin, with Artemisia tridentata var. wyomingensis, A. ludoviciana, Chrysothamnus viscidiflorus, Sarcobatus vermiculatus, Agropyron cristatum, Grindelia squarrosa, Achillea millefolium, Carex sp., Poa sp. Phenology: flowering & fruiting.
Annotated by Bonnie Heidel.
with Julia Battisti

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: benchland between Zieglers Wash and Dry Muddy Creek ca 13 air mi WNW of Granger; ca 22 air mi SE of Kemmerer.
Desert shrubs on vegetated low sand dunes, clay slopes, conglomerate ridges, and sparsely vegetated slopes. Phenology: flowering & fruiting.
with C. H. Refsdal

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Bridger Butte, ca 5.5 air mi WSW of Fort Bridger; ca 25.5 air mi E of Evanston.
Snow accumulation area on the lee side of the rim with juniper and mountain shrubs. Phenology: flowering & fruiting.
Annotated by C. H. Refsdal.
with C. H. Refsdal

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: benchland between Zieglers Wash and Dry Muddy Creek ca 13 air mi WNW of Granger; ca 22 air mi SE of Kemmerer.
Desert shrubs on vegetated low sand dunes, clay slopes, conglomerate ridges, and sparsely vegetated slopes. Phenology: flowering & fruiting.
Annotated by C. H. Refsdal.

U.S.A., Wyoming, Sweetwater County: Along Bear Creek
Gentle Slopes Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Daniel.
Charles C. Sperry, s.n.. 8/22/1936.

U.S.A., Wyoming, Lincoln County: Salt River Range: Greys River Road next to Red Creek.
In a level sagebrush meadow along river; disturbed by road. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Sheep Mountain: Halls Canyon.
Dry creek bottom near the canyon. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: 15 mi N of Baggs.
Level slope; sandy soil; desert; sagebrush type. Phenology: flowering & fruiting.
Philip V. Woodhead, 30. 6/26/1926.

U.S.A., Wyoming, Sublette County: Wyoming (Bridger) National Forest: Pine Creek, 3/4 mi below Ranger Station.
Slope 5% west; moist sandy loam; with Fragaria, Antennaria corymbosa. Plentiful. Phenology: vegetative only.

U.S.A., Wyoming, Teton County: Teton National Forest: Elbow Hill.
Steep slope; clay loam. Scarce. Phenology: fruiting.
Bruce L. Coulter, 1. 8/6/1924.

U.S.A., Wyoming, Big Horn County: Big Horn Canyon National Recreation Area: ca 3/4 mi W of Yellowtail Reservoir.
Elev. 3800
with D. Ditolla

U.S.A., Wyoming, Carbon County: Washakie Basin: along Cow Creek, ca 24.5 air mi N of Baggs.
Mesa Verde formation sandstone, shale, coal beds; black clay, silt, loam; slope 5.5 deg, aspect southeast; canyon, with Artemisia tridentata ssp. wyomingensis, Artemisia tridentata ssp. tridentata, Achillea millefolium, Poa pratensis, Juncus arcticus, Oxytropis sp., Artemisia frigida, Ribes sp., Salix geyeriana, Carduus nutans, Symphoricarpos sp. Phenology: fruiting.
1. Leymus cinereus (Scribn. & Merr.) A. Löve.
with Frank Blomquist, Anah Soble

U.S.A., Wyoming, Platte County: Camp Guernsey: south side of North Platte River, ca 2.2 km N of Cottonwood Creek and ca 2 km S of Impact Area.
Elev. 1340 m.
zone DMC, 509700E, 4687750N; unknown, GPS reading
Gentle to steep slope; riverine; gravelly to stony loam; with Acer negundo, Prunus virginiana, Symphoricarpos occidentalis, Ribes and Poa spp. Infrequent; ascending to erect, fibrous rooted, perennial herb; to 1.2 m tall; found in patches. Phenology: fruiting.
Carlos A. Popolizio, 853. 6/16/1996.
with Nancy E. Hastings, Rosalie M. Smith, Donald L. Hazlett

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Pathfinder Reservoir and Mountain: Bishop Point Recreation Area, ca 3.4 air mi W of County Road 409; ca 10.5 air mi SW of Alcova townsite.
Along creek; graminoids dominant; Ribes and big sage common. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: west end of Fossil Ridge, ca 16 air mi W of Kemmerer; 7.3 mi SW on Northwest Pipeline access road.
Aspen woods. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Whitehorse Creek WSA, ca 2.2 air mi NW of Oregon Butte summit, ca 14 air mi SSw of South Pass City.
Head of open draw, silt, north aspect; with Purshia tridentata, Ribes cereum. Phenology: flowering.

U.S.A., Wyoming, Albany County: West slope Laramie Range: ca 1.1 mi NE of U.S. Hwy 30, ca 3.6 air mi E of downtown Laramie.
Moist bottom, partial shade; with Cynoglossum officinale, Juniperus scopulorum, Elymus cinereus. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: Morgan and Marking Pen creeks on County Road 351, ca 2 air mi W of Seminoe Dam.
Sagebrush-rabbitbrush draw. Phenology: fruiting.

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: Green River, ca 13 air mi ESE of Dutch John; 1.8 mi S of junction of Jarvie Ranch/Browns Park roads on west side Browns Park Road.
T2N R25E S30 South1/2; also N1/2 S31
River's edge, river rock, clay soils. Phenology: flowering & fruiting.
with Barbara McNight

Along creek; birch, chokecherry, willow, limber pine, and snowberry common. Phenology: fruiting.

Sandstone-rimrock; Purshia, Ribes, and Cercocarpus common. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Steamboat Lake S of Wyo Hwy 220, ca 19 air mi W of Alcova townsite.
Alkaline flats near lake. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Stinkhole Draw and ridges to the northeast, ca 16.5 air mi N of Sinclair; ca 17.5 air mi NE of Rawlins.
Sandy draws of graminoids and scattered sagebrush. Phenology: flowering.