Astragalus gilviflorus (1991)
FABACEAE
Astragalus gilviflorus E. Sheld.
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.
Elev. 5200 ft.
Sagebrush-grassland/Douglas fir woodland mosaic with Elymus spicatus, Stipa comata, Artemisia tridentata, and Pinus flexilis. Phenology: fruiting.
Accession: RM 739163

Astragalus gilviflorus (1984)
FABACEAE
Astragalus gilviflorus E. Sheld.
U.S.A., Wyoming, Fremont County: Southeastern Absarokas: White Pass and vicinity, ca 6 air mi S of Ramshorn Peak; ca 9 air mi NW of Dubois.
Elev. 8100 ft.
Badlands.
Accession: RM (unaccessioned)

Astragalus gilviflorus (2008)
FABACEAE
Astragalus gilviflorus E. Sheld.
U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: ca 18 air mi NW of Augusta; lower dam site at entrance to Sun River Canyon.
Elev. 4570 ft.
47.6205° N, 112.707° W; NAD 83, uncertainty 0.25 mi., GPS reading
Limestone escarpment and adjacent outcrops. Phenology: flowering.
Annotations:
1. Astragalus gilviflorus E. Sheld.
Annotated by Rick McNeill.
with Rick McNeill
Accession: RM (unaccessioned)

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: Forest Road 233, ca 14 air mi WSW of Augusta.
47.4703° N, 112.708° W; NAD 83, uncertainty 0.25 mi., GPS reading
Grassy slope and pond margin. Phenology: flowering.
with Rick McNeill
Accession: USFS (unaccessioned)

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Bower Water Gap Canyon, ca 4 air mi SE of Sapphire Village on Forest Road 487.
Elev. 1500 m.
46.8189° N, 110.2825° W; NAD 83, uncertainty 0.5 mi., GPS reading
Limestone outcrops and conifers on slopes with ponderosa pine, limber pine, and Pseudotsuga menziesii; to top of mountain, immediately above "water gap". Phenology: flowering.
Annotations:
1. Astragalus gilviflorus E. Sheld.
Annotated by Rick McNeill.
with Rick McNeill
Accession: RM (unaccessioned)

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: ca 2.5 air mi ESE of junction of County Road 101 (Dry Wolf Road) and County Road 102, above Nickerson Coulee.
Elev. 1752 m.
Exposed hill top, occasional limestone outcrop. Phenology: flowering.
Annotations:
1. Astragalus gilviflorus E. Sheld..

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: ca 2 air mi SE of junction of County Road 101 (Dry Wolf Road) and County Road 102.
Elev. 1657 m.
North-facing road cut; 15% slope; limestone. Phenology: flowering.
1. Astragalus gilviflorus E. Sheld..

U.S.A., Montana, Fergus County: Bear Springs Road W of Judith River, ca 10 air mi W of Winifred.
Spur of ridge dropping from highland down to river; south aspect; 5 -15% slope; heavily grazed. Phenology: flowering.
1. Astragalus gilviflorus E. Sheld..
with Matt Voigt

U.S.A., Montana, Fergus County: [location and coordinates withheld]
Meadow and hill slope in Pinus ponderosa; high dry soils; southeast aspect; 0-25% slope. Phenology: flowering.
with Matt Voigt

U.S.A., Montana, Fergus County: Upper Missouri River Breaks National Monument: east side of Judith River on P N Bridge or County Road 27, ca 3 air mi upstream of confluence with Missouri River.
West aspect; 0-25% slope; bench above river, high clay content, sagebrush and Sarcobatus. Phenology: flowering.
with Matt Voigt

U.S.A., Montana: Bozeman.
Dry ridges. Phenology: flowering.
Accession: RM 89894

U.S.A., Montana: Absaroka National Forest: Main Boulder Ranger Station.
Southeast slope; sandy limestone. Phenology: flowering.
Accession: USFS 504204

U.S.A., Montana: Custer National Forest.
T2S R47E S16
Slope 15%, south exposure; clay soil; associated with sagebrush and yarrow.
Accession: USFS 504203

U.S.A., Montana, Carbon County: 1.5 mi W of Dead Indian Hill.
Calcareous ridge with Juniperus and Pinus. Phenology: flowering.
Accession: RM 355610

U.S.A., Montana, Madison County: Beaverhead National Forest: vicinity of quadrat X-1.
T9S R3W S7 SW1/4
Slope 40%, southwest exposure; gravelly and rocky soil; sagebrush-grass vegetation with Stipa comata, Phlox caespitosa, Artemisia frigida; dry rocky sites. Phenology: fruiting.
Accession: USFS 504200

U.S.A., Montana: Custer (formerly Sioux) National Forest: Long Pines Division.
Dry soil; dry hillsides and ridges/ tops. Phenology: flowering.

U.S.A., Montana: Custer National Forest: Otter Creek District.
Rolling slope; sandy soil; grassy area. Phenology: flowering.

U.S.A., Montana, Meagher County: Gallatin National Forest: Sixteen Mile Creek Canyon on Central Montana and Saint Paul Railway tracks.
S-facing slope; gravelly red clay loam soil; open roadside. Phenology: flowering.

U.S.A., Montana, Custer County: U.S. Range Livestock Experiment Station: trap pasture at Lone Pine Well.
Slope 20 degrees west; sandy soil; grassland area. Phenology: flowering.

U.S.A., Montana, Madison County: 5 mi N of Norris.
Juniper-covered hills; decomposed granite. Phenology: vegetative only.

U.S.A., Montana, Broadwater County: Road to Townsend, 10 mi SE of Helena.
Rolling grassy prairie. Phenology: vegetative only.
with C. V. Muhlick

U.S.A., Montana, Gallatin County: Bozeman.
Phenology: flowering.

U.S.A., Montana, Meagher County: Along Smith River, ca 10 mi NW of White Sulphur Springs.
Eroded red sandstone knolls along river. Phenology: vegetative only.
with C. V. Muhlick

U.S.A., North Dakota, Ward County: Des Lacs National Wildlife Refuge: SW side of Middle Des Lacs Lake.
Nearly bare raodside banks. Scarce. Phenology: fruiting.

U.S.A., North Dakota, no county County: Dickenson.
Phenology: flowering.
Mrs. Belle Cook, s.n.. 6//1896.

U.S.A., North Dakota: US Highway 10: 7 mi W of Dickinson.
Phenology: vegetative only.
with M. D. Atkins

U.S.A., North Dakota, Ward County: Morainic Hills, near Minot.
Phenology: vegetative only.

U.S.A., North Dakota, Benson County: Leeds.
In grass. Phenology: flowering.

U.S.A., North Dakota, Billings County: Medora.
With Poa buckleyana. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Ca 10 mi S of Agate.
Slope 10% west; shallow rocky sandstone soil; with Carex, Poa, Stipa. Phenology: vegetative only.

U.S.A., Wyoming, Big Horn County: Northeast slope of Table Mountain above Wyman Ranch.
Dry rocky soil. Phenology: flowering.
3. Astragalus gilviflorus E. Sheld.
Annotated by Marvin L. Roberts in 1977.
Crystal Finley, 33. 6/7/1926.
Accession: RM 105312, Barcode: RM0160983

U.S.A., Wyoming, Carbon County: Route 71.
Ridgetop with Erigeron, Astragalus spatulatus. Phenology: flowering & fruiting.
Accession: RM 331014, Barcode: RM0169741

U.S.A., Wyoming, Big Horn County: Sheep Springs Exclosure, 20 mi E of Greybull.
Phenology: flowering & fruiting.
Accession: RM 268013, Barcode: RM0169807

Astragalus gilviflorus var. gilviflorus (1996)
Astragalus gilviflorus E. Sheld. var. gilviflorus
U.S.A., Wyoming, Park County: Northern Absaroka Area: hogbacks and valleys W of Hogan Reservoir, ca 9.5-10.5 air mi SW of Clark; ca 21.5 air mi NW of Cody.
Sandstone hogbacks and slopes. Phenology: flowering.

Astragalus gilviflorus var. gilviflorus (1996)
Astragalus gilviflorus E. Sheld. var. gilviflorus
U.S.A., Wyoming, Park County: Northern Absaroka Area: 2-3 air mi ENE of Buffalo Bill Dam.
Sandstones and shales near irrigation canal; scattered juniper. Phenology: flowering.

Astragalus gilviflorus var. gilviflorus (1996)
Astragalus gilviflorus E. Sheld. var. gilviflorus
U.S.A., Wyoming, Park County: Northern Absaroka Area: southeast end of Rattlesnake Mountain.
Limestone outcrops and rocky slopes. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Wapiti Ridge Area: Houlihan Creek and ridge to southwest.
Rocky, dry stream bottom or wet above, and sandstone outcrops. Phenology: flowering.
with David Rosenthal

U.S.A., Wyoming, Park County: Northern Absarokas: basin ca 1.5 mi SE of Dead Indian Pass, ca 20.5 air mi NW of Cody.
Knoll with limestone in redbeds. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge W of Alkali Creek, on Cheyenne River or County Road 54, ca 24 air mi SW of Newcastle; ca 40 air mi SSE of Upton.
Sandy hill and ravine. Phenology: flowering.
Peter J. Ebertowski, 411. 6/22/2002.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: western edge of Duck Creek Breaks, immediately E of Duck Creek on two track road, ca 35 air mi NE of Gillette; ca 15 air mi NW of Oshoto.
Hilly grassland with rocky and clayey bare patches and ravines with ponderosa pine and Rocky Mountain juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: badlands ca 1 mi NW of Soda Well, on Forest Road 1247B, ca 31 air mi NNE of Gillette; ca 34 air mi NNW of Moorcroft.
Patch in sagebrush grassland with clayey soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: badlands SW of Antelope Creek, on two-track road, ca 34 air mi NNE of Gillette; ca 37 air mi NNW of Moorcroft.
Mosaic of sagebrush grassland, grassland and clay balds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: slopes surrounding Iron benchmark, on Butcher or County Road 25, ca 8 air mi SE of Upton; ca 5.5 air mi WNW of Osage.
Knoll with clayey rocky soil. Phenology: flowering & fruiting.
Peter J. Ebertowski, 4464. 6/8/2003.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: low area just above and between Lonetree and Beaver creeks, on Upton - Fairview or County Road 59, ca 3.5 air mi S of Upton; ca 25 air mi NW of Newcastle.
Roadside, along sagebrush grassland with scattered greasewood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills W of Little Powder River S of Coal Creek on dirt road off of Wyo Hwy 59, ca 23 air mi NNE of Gillette; ca 31 air mi NW of Moorcroft.
Sagebrush grassland. Phenology: fruiting.

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

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

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Sagebrush-grassland with Bouteloua gracilis, Artemisia nova, and Gutierrezia sarothrae. Phenology: flowering.

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

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

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

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

U.S.A., Wyoming, Park County: Shoshone River Drainage: Absaroka Mountains: north rim of Shoshone Canyon on Rattlesnake Mountain, ca 5 mi W of Cody.
Limestone outcroppings with few Douglas fir and with Haplopappus acaulis, Leucopoa kingii, and Agropyron spicatum. Phenology: vegetative only.

U.S.A., Montana, Stillwater County: [location and coordinates withheld]
Disturbed sagebrush-grassland with Chaenactis douglasii, Musineon divaricatum, Monarda fistulosa, and Phacelia linearis.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 2 mi W of Gebo (abandoned townsite), ca 12 mi N of of Thermopolis.
Shrub steppe with Gutierrezia sarothrae, Delphinium geyeri, Haplopappus armerioides, and Juniperus scopulorum. 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: Paradise Valley: Gallatin National Forest: La Duke Trail Head, just E of U.S. Hwy 89, ca 6 mi NW of Gardiner.
Disturbed sagebrush-grassland with Artemisia arbuscula, Lewisia rediviva, Lappula redowskii, and Allium textile. Phenology: flowering & fruiting.

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

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

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

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

U.S.A., Wyoming, Fremont County: Bridger Mountains: along Birdseye Road in canyon 13 mi NE of Shoshoni.
Juniper woodland on limestone outcroppings with Heuchera parvifolia, Physocarpus monogynus, and Cymopterus terebinthinus. Phenology: flowering.

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.
Saltbrush/greasewood grassland on barren south-facing slope with Alyssum alyssoides, Atriplex gardneri, and Sarcobatus vermiculatus. Phenology: flowering & fruiting.

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

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: butte S of South Branch Blacktail Creek, ca 11 air mi ESE of Oelrichs.
Calcareous rocky-clay slopes of butte. Phenology: flowering.
1. Astragalus gilviflorus E. Sheld. var. gilviflorus
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ridge N of School Section Creek, ca 2.5 air mi E of Windy Butte, ca 6.5 air mi NE of Oelrichs.
Grassy slopes and stony top of small buttes. Phenology: flowering.
1. Astragalus gilviflorus E. Sheld. var. gilviflorus
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: Carlsen Butte, ca 8.5-9 air mi N of Crawford.
Grasslands with some badlands on the slopes and draws. Phenology: flowering.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: west end of Wolf Butte, ca 19.5 air mi N of Crawford.
Stony, clay areas without grasses. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 12-12.5 air mi SW of Kadoka and 0.5 mi E of County Road C526.
Rock beds having redbed soils with iron content. Phenology: vegetative only.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: Railroad Buttes, top of Railroad Butte ridge, 12 air mi SE of Rapid City.
Rocky ridge top with soils of sand and some loamy clay; grass areas alternate with eroded bare ridge areas. The slope facing north-northeast is vegetated; the west-facing slope is heavily wind-swept, eroded and bare. Phenology: flowering.

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

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: Railroad Buttes, 12 air mi SE of Rapid City.
North-northeast-facing slope of Juniperus scopulorum/Juniperus horizontalis plant community; rocky side slopes having heavy clay soil below and sandy, gravelly slopes above. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 19 air mi N of Crawford and 1.5 mi W of NE Hwy 71 and NE Hwy 2.
In silt soils and rock beds. Phenology: vegetative only.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 11 air mi NW of Crawford and 0.5 mi W of Hudson-Meng Bonebed Trail, near Whitehead Creek.
In drainage and slopes leading to creek in heavy white clay soil. Phenology: flowering.

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

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: 10 air mi NW of Edgemont.
North northeast-face of butte; soil is sand and silty clay; selenium may be present due to presence of Stanleya pinnata plants. Phenology: flowering.

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

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

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 19 air mi SSE of Edgemont and off Forest Road 7076.
On ridge crest. Phenology: vegetative only.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 1.5 - 2 air mi S of French Creek and 3/4 - 1 air mi E of South Fork French Creek, ca 15.5 air mi SE of Hermosa.
Mesa slopes. Phenology: flowering.
with B. E. Nelson

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: side drainage of Moss Agate Creek, ca 5 air mi NW of Edgemont.
Ungrazed drainage; soils on side slopes are gravelly, rocky, and loose; soils in bottom are deep, moist loam. Phenology: flowering.

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

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 9 - 9.5 air mi WSW of Edgemont and 1.5 mi W of County Road 8.
Draw sides and slopes. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 36 air mi NW of Crawford and 1/4 mi E of Wyoming and W of Forest Road 917.
In silt soils. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: on Forest Road 914, ca. 0.5 mi E of Edgemont Road in bluffs N of roadway.
On buttes in soils of rock and gravel. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 6.5 air mi WNW of Edgemont.
On north facing slope of mesa, soils are gravel and sand. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 9.5 air mi SE of Fairburn and ca 1 air mi SE of South Fork French Creek.
On rocky ridge in rock, gravel and loose soil. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 2-2.5 air mi SSW of Wall and 1/4 mi W of SD Hwy 240.
In a Hesperostipa comata plant community on a rocky upland and nearby butte. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6 air mi SSE of Scenic and due E of County Road C589.
In deep drainage of heavy white clay soil and near uplands of Hesperastipa comata grass plant community. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 65, ca 1.1 air mi ESE of Ten Sleep.
Juniper and sagebrush with yucca adjacent to landfill. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Broken Back or BLM Road 1415, ca 3.8 air mi NNE of Ten Sleep.
Juniper and sagebrush on mudstone. Phenology: fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Rome Hill or County Road 56 and S of Cooks Canyon, ca 8 air mi ESE of Ten Sleep.
Sagebrush on mudstone and siltstone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Rome Hill or County Road 56 and S of Cooks Canyon, ca 11.3 air mi ESE of Ten Sleep.
Sagebrush on mudstone and siltstone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Along Laramie River 5 mi N of Wheatland.
42.1203° N, 104.9363° W; NAD 83, uncertainty 1 mi., Digital Map
Sandy hills. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: along Birdseye Creek and adjacent slopes and ridges, ca 12 air mi N of Shoshoni; ca 29 air mi NNE of Riverton.
Slopes and ridges above creek.
with B. E. Nelson

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

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

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

U.S.A., Wyoming, Laramie County: 6 mi NE of Farthing.
Barren clay bank with A. spatulatus and Mentzelia. Flower white, keel tipped with purple. Phenology: flowering.

U.S.A., Wyoming, Platte County:
Rocky ridge with Yucca and A. spatulatus.

U.S.A., Wyoming, Platte County:
Rocky ridge with Yucca and A. spatulatus. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Ca 6 mi S of Shell.
Calcareous shale-clay red and white barrens with Phlox muscoides and Leptodactylon caespitosum. Matted. Phenology: vegetative only.

U.S.A., Wyoming, Sublette County: Green River Basin: valley between north slope of Ross Ridge and Ross Butte, ca 1 mi SE of the New Fork River, and ca 2.5 mi S of the Big Piney cutoff (Wyo Hwy 351).
Rim of small knoll on barren, sandy-clay with scattered Artemisia tridentata var. wyomingensis, Oryzopsis hymenoides, and Chrysothamnus viscidiflorus. Soil with little surface gravel. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Ca 6 mi S of Shell.
Calcareous shale-clay red and white barrens with Phlox muscoides and Leptodactylon caespitosum. Phenology: vegetative only.

U.S.A., South Dakota, Meade County: Piedmont.
Annotated by M. Roberts in 1977.
Alice D. Pratt, s.n.. 6//1895.

U.S.A., South Dakota, Pennington County: Rapid City.
Dry rocky plains. Phenology: flowering.
Arthur C. McIntosh, 13. 5//1924.

U.S.A., South Dakota, Pennington County: Rapid City.
Dry rocky plains. Phenology: flowering.
Annotated by M. Roberts in 1977.
Arthur C. McIntosh, 79. 5//1924.

U.S.A., South Dakota, Custer County: Jewel Cave National Monument: S of Hell Canyon near south boundary.
T4S R2E S12
Open ponderosa pine forest near ridgetop. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland: Lindsey Draw.
5% slope, northeast aspect of clay loam grassland scattered with Yuca, Gusa., Agsm., and Ansc. Phenology: flowering.
Accession: USFS 504197, Barcode: USFS0067853

U.S.A., Colorado, Weld County: South base of Chalk Bluffs; 3.5 mi N of jct of road 122 and road 45.
Isolated sandstone knoll in short-grass plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: plains N of Bennett Creek, ca 4-5 air mi NW of Clark.
Sandy to sandy clay soils in sagebrush grasslands. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Clara Birds Nipple (Bird Nipple), ca 6 air mi N of La Barge.
Sandstone caprock and sandy areas with sagebrush below, mountain mahogany and currant above. Flowers are unusually short for this species! Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along McCullough Peak Road above West Branch Whistle Creek, ca 2.5 air mi NE of McCullough Peak, ca 16.5 air mi S of Powell.
Sandy clay around sand and sandstone outcrop area. Phenology: flowering.
with Erik Nelson

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

U.S.A., Wyoming, Big Horn County: Bighorn Basin: on Fenton Pass Road, ca 6 air mi N of Tatman Mountain, ca 8 air mi SW of Burlington, ca 26 air mi W of Basin.
Sandy clay slopes. Phenology: flowering.
with Erik Nelson

U.S.A., Wyoming, Park County: Northern Absarokas: Sunlight Basin, cascades on Sunlight Creek just E of White Mountain, ca 26 air mi NW of Cody.
Meadow and rim of canyon. Phenology: flowering.

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

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above Red Canyon across from Minnesela Slope, ca 4.5 air mi SW of Thermopolis.
Banks of gully in old burn area in sagebrush-grassland.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Red Canyon across from Minnesela Slope, ca 5.5 air mi SW of Thermopolis.
Red sandy soil on ledges of canyon wall.
with Robin Jones

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 19 air mi NNE of Linch, ca 28.5 air mi NE of Kaycee, above Big Willow Creek on Iragaray Ranch.
Frequent on north aspect of upland grassland in sandy clay with Townsendia hookeri and Gutierrezia. Phenology: flowering.

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

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
South and east facing grassy slopes.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Pine forest, N and W facing slopes.

U.S.A., Wyoming, Crook County: Black Hills: Government Valley, ca 8 air mi NNE of Sundance.
Grassland on red shale soil.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassy south and east-facing slopes and ridge top.

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

U.S.A., Wyoming, Washakie County: Big Horn Mountains: Spring Creek Road 6.7 mi E and S of junction with Wyo Hwy 434.
Sandstone capped mesa with Juniperus osteosperum, J. scopulorum, Cercocarpus ledifolius, and Artemisia tridentata; sandy east slope. Phenology: flowering.
with Keith H. Dueholm

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Dry plains. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 6 air mi SW of Rockypoint.
Steep valley cut through uplift, ponderosa pines throughout, and open areas. Rocky slope above valley. Phenology: flowering.
with Ronald L. Hartman

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

U.S.A., Wyoming, Campbell County: Powder River Basin: along Eightyfive Divide; ca 7 air mi S of Montana, 5 mi E of Hwy 59.
Rolling plains and sandstone outcrops; plains. Phenology: vegetative only.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Eroded uplands, ponderosa pine ridges, ravines, sagebrush plains, open clayey slopes, loose talus; plains. Phenology: vegetative only.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Plains, small draw, gravelly roadcuts; plains - slopes. Phenology: vegetative only.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Rolling, sandy plains, sandstone outcrops, ponderosa pine on slopes; gravelly hill crest. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Rolling plains. Phenology: flowering.

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

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

U.S.A., Wyoming, Sheridan County: Powder River Basin: hills above S R Creek, ca 8 air mi E of Wyarno.
Rocky slopes, scoria, sagebrush plains, mesic ravine; at crest of ridge. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Powder River Basin: ca 16.5 air mi N of Leiter.
Rolling sagebrush plains, gravelly roadside; plains. Phenology: flowering.

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

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

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
High ridge above river, clay slopes, rocky sandstone summit; summit. Phenology: flowering.

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

Hillside along roadway, meadows along creek, irrigation ditch; roadcut along hillside. Phenology: flowering.

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

Hilly, stony plains. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 9 air mi SE of Ten Sleep.
Hills and slopes covered with Juniperus osteosperma, open hillside; slopes. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Washakie County: Bighorn Basin: North Butte, ca 10 air mi SW of Ten Sleep.
Large shale butte, loose slopes, sagebrush on lower slopes; ridge. Phenology: flowering.

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

U.S.A., Wyoming, Big Horn County: Bighorn Basin: NE edge of Cedar Mountain.
Limestone slabs, with scree slopes with juniper, sagebrush plains below; plains. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Spring Creek Road 6.7 mi E and S of junction with Wyo Hwy 434.
Sandstone capped mesa with Juniperus osteospermum, J. scopulorum, Cercocarpus ledifolius, and Artemisia tridentata; sandy east slope.
with Keith H. Dueholm

U.S.A., Wyoming, Washakie County: Bighorn Basin: Castle Gardens, ca 6.5 air mi SW of Ten Sleep.
Eroded shale slopes and ridges. Phenology: flowering.
with Keith H. Dueholm

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: John Blue Canyon Road: ca 4.5 mi NNE of U.S. Hwy 14A.
Stream sides. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absorokas: Shoshone Canyon, just below Buffalo Bill Dam on the north side of the North Fork Shoshone River.
Lower canyon slopes. Phenology: flowering.

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

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 18 air mi E of Thermopolis.
Sandstone outcrops and sandy slopes.

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

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Wildhorse Butte Oil Field and slopes and ridges to south, ca 11 air mi E of Thermopolis.
Chugwater red beds and gypsum outcrops. Phenology: flowering.

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

U.S.A., Wyoming, Park County: Beartooth Mountains: Littlerock Creek Drainage: ca 6 air mi W of Clark.
Rocky slopes and plains. Phenology: flowering.
Annotated by Emily Elliott.
Accession: RM 861832, Barcode: USFS0042206

U.S.A., Wyoming, Park County: Beartooth Mountains: Line Creek drainage: ca 8 air mi NW of Clark.
Open rocky slopes and moist stream side. Phenology: flowering.
Annotated by Emily Elliott.
Accession: RM 861831, Barcode: USFS0042205

U.S.A., Wyoming, Park County: Bighorn Basin: Sugarloaf Butte: ca 2 air mi NNW of Clark.
Sandstone and sand; top, steep sloping and base of butte. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: 3-4 air mi N of Greybull.
Badlands with shale and red beds. Phenology: flowering.
with John Hamann

U.S.A., Wyoming, Park County: Bighorn Basin: ca 10 air mi SW of Cody.
Grassland and gravelly slopes. Phenology: flowering.
with John Hamann

U.S.A., Wyoming, Park County: Bighorn Basin: Kimball Bench: ca 10 air mi SSW of Clark.
Shale and sandstone slopes, ridges, and drainages. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: east base of Elk Butte: ca 14 air mi SE of Cody.
Sandstone outcrops with some shale in drainage. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: northwest side of YU Bench, ca 18 air mi SE of Cody.
Sandstone outcrops and shaley drainage. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 6 air mi S of Cody.
Sandstone outcrops with scattered limber pine and shale drainages. Phenology: flowering.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: Miller Creek Road, ca 4.7 mi N of U.S. Hwy 16.
Low hill dominated by sagebrush; slope. Phenology: flowering.
with Keith Dueholm

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

U.S.A., Wyoming, Campbell County: Powder River Basin: Eighty-five Divide, ca 11 air mi W of Rockypoint.
Hills with sandstone outcrops. Phenology: vegetative only.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 4 air mi N of I-90 at the Powder River crossing.
Low hills and drainage. Phenology: flowering.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 22 air mi NNE of Sussex.
Low hills and drainage. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: Little Bighorn River Canyon, ca 17 air mi W of Parkman.
Grassy slopes and limestone outcrops. Phenology: flowering.
with Ann Odasz

U.S.A., Wyoming, Johnson County: Big Horn Mountains: North Fork Crazy Woman Creek, ca 13 air mi SW of Buffalo.
Limestone outcrops and rocky slopes, shaded stream side, and aspen woodlands with adjacent meadows; rocky slopes. Phenology: vegetative only.

U.S.A., Wyoming, Sheridan County: Wildlife Refuge; ca 3 air mi W of Dayton.
Limestone (gypsum?) outcrop above Chugwater formation red beds; ridge. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Powder River Basin: Smith Creek, ca 7.3 air mi WNW of Dayton.
Outcrops of limestone (gypsum?) atop Chugwater Formation red beds. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: between Alum Creek and Old Woman Creek Hills, ca 19.7 air mi ENE of Lance Creek; ca 25 air mi NNE of Lusk.
Small meadows and grassy areas in bottom of dry washes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: just NE of Pin Top and Cedar Top on Meadowdale or County Road 143, ca 4.5 mi W of Meadowdale; ca 20 air mi N of Guernsey.
Stony outcrops on sandy plains. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Baker Cabin or County Road 108 between North Fork Cottonwood Creek and Gray Wall, ca 12 air mi NE of Arminto; ca 51 air mi NW of Casper.
In sand, grassy sandy areas, sandstone outcrops, and clay slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Thirtythree Mile or County Road 110 ca 1.5 air mi W of Alkali Creek, 28.5 air mi W of Midwest; ca 43 air mi NW of Casper.
Sandstone rim and slopes below. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: 6 mi NE of Farthing.
Barren clay bank with A. spatulatus and Mentzelia.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 6 air mi NW of Arminto.
Sandy-rocky slope and eroded drainage areas. Phenology: fruiting.
with T. W. Nelson

South and east facing grassy slopes. Phenology: flowering.

Ponderosa pine forest, north and west facing slopes. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Government Valley, ca 8 air mi NNE of Sundance.
Grassland on red shale soil. Phenology: flowering.

Grassy south and east-facing slopes and ridge top. Phenology: flowering.

U.S.A., Wyoming, Weston County: Black Hills: Spring Creek just N of WY Hwy 116 and S of Pfeiffer Hill; ca 10 air mi SSW of Sundance.
Grassland. Phenology: flowering.

Roadside. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Crook County: Powder River Basin: ca 2 air mi SW of Oshoto.
Rolling plains dissected by stream; plains. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Crook County: Powder River Basin: ca 1 mi NW of Lightning Flats.
Broad ridge covered with ponderosa pine with valleys containing Fraxinus, Amelanchior, and Prunus; open ridge. Phenology: flowering.

U.S.A., Wyoming, Crook County: Devils Tower National Monument, south facing slope just N of West Road (50 yds E of gate).
Common on dry, sandy soil with Phlox hoodii and Andropogon scoparius. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: 8 mi S of Hulett. Campstool Ranch.
Barren, red, sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Ca 8 mi SE of Newcastle.
T44N R60W S21 South 1/4 of SE1/4 of
Clay bank with Guiterrizia and Dalea. Phenology: fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: Bear Canyon and vicinity, ca 25 air mi SE of Bridger.
45.0861° N, 108.5258° W; uncertainty 1 mi., GPS reading
Redbeds with limestone rubble. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Clarks Fork Canyon along Morrison Trail, ca 24-25 air mi NNW of Cody.
Stony, gravelly canyon bottom near the river. Phenology: flowering & fruiting.
with Emily Elliott, Brian Elliott
Accession: USFS 861829, Barcode: USFS0042203

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: ridge S of Line Creek, ca 0.3-0.5 mi S of Montana, ca 37 air mi NNW of Cody.
Slopes of decomposing granite or redbeds with limber pine and Douglas fir. Phenology: flowering.
with Emily Elliott
Accession: USFS 861830, Barcode: USFS0042204

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: just N of Gardiner.
Open disturbed slopes onto calcarious cliffs (old hot-spring?). Phenology: flowering & fruiting.

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.

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.

U.S.A., Wyoming, Park County: Beartooth Mountains: canyon of the Clarks Fork Yellowstone River.
Lower slopes along river to end of road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Beartooth Mountains: Morrison Jeep Trail from bottom to top of switchbacks then SE ca 4 mi.
Rocky to grassy slopes. Phenology: flowering & fruiting.

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: fruiting.

U.S.A., Wyoming, Park County: Beartooth Mountains: between Line Creek and Montana at the foot of Beartooth Plateau, ca 9.5-10.5 air mi NW of Clark; ca 35.5-36 air mi NNW of Cody
45.0031° N, 109.2795° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Stony slopes and ridges below redbeds with scattered limber pine. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: just N of SD Hwy 20, ca 0.5-1 air mi W of Reva Gap, ca 17.5 air mi E of Buffalo.
Badlands. Phenology: flowering & fruiting.
with Hans Hallman

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

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in and around draws SE of junction of North Divide or Forest Road 3125 and Forest Road 3145 in the vicinity of Camp Spring, ca 4.5 air mi S of Reva Gap, ca 19 air mi ESE of Buffalo.
Butte tops dominated by grasses. Phenology: fruiting.

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

U.S.A., Montana, Carter County: Ca 0.5 air mi S of Ridge Road at the head of Keith Creek, ca 4 air mi SE of Saddle Butte and ca 23.5 air mi SSW of Ekalaka.
Top and slopes of grass and sagebrush-dominated butte. Phenology: vegetative only.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: in a tributary of Schleichart Draw above Schleichart Draw Reservoir, W of Forest Road 3130, ca 17 air mi NNE of Buffalo.
Grass and chokecherry-dominated east-facing slope with rock outcrops. Phenology: vegetative only.
with G. Gust

U.S.A., Wyoming, Washakie County: West Slope of Big Horn Mountains: immediately S of Rome Hill Road, ca 9 air mi SE of Tensleep.
Old roadbed route and adjoining outcrop slopes on reddiesh silt outcrop and adjoining steppe, with Artemisia nova, A. tridentate var. wyomingensis, Elymus spicatus, Gutierrezia sarothrae. Mixed color population with flowers lavender, less often purple, trace white. Phenology: flowering.
with Claire Leon

U.S.A., Wyoming, Washakie County: Eastern Bighorn Basin: N of Cedar Mountain on the south side of BLM Road 1117, ca 3.5-4 air mi SE of Hyattville.
Calcareous ridges and north aspect slopes, on rocky, gravelly orange silt, with Elymus spicatus, Stenotus acaulis. Mixed color population with flowers, purple flowers, less often lavender, trace white. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Eastern Bighorn Basin: south side of Alkali Creek, ca 0.8 air mi E of Wyo Hwy 434, ca 29 ai mi ESE of Worland.
Low side ridges above valley bottom, on pale orange gravelly loam, with Elymus spicatus, Yucca glauca, Stenotus acaulis. Mixed color population with flowers white, less often pink or lavender, possibly purple. Phenology: flowering.
with Eve Warren

U.S.A., Wyoming, Washakie County: Eastern Bighorn Basin: ca 0.2 mi E of Wyo Hwy 434, ca 1 air mi NE of Buffalo Creek mouth on Nowood River, ca 33 air mi ESE of Worland.
On series of scarps, west-southwest aspect, gravelly silt, with Elymus spicatus, Astragalus spatulatus, Carex filifolia. Mixed color population with flowers white, less often lavender, trace purple. Phenology: flowering.
with Eve Warren

U.S.A., Wyoming, Washakie County: West slope Bighorn Mountains: along County Road 54, ca 4 mi SSE of Ten Sleep; Red Gulch, along County Road 47, ca 7 mi N of Tensleep.
Gravelly silt ridge, with Elymus spicatus, Stenotus acaulis. Mixed color population with flowers lavender, less often purple, trace white. Phenology: flowering.

U.S.A., Wyoming, Washakie County: West slope Bighorn Mountains: Red Gulch, along County Road 47, ca 7 mi N of Ten Sleep.
Outcrops of red and white gravelly sandy silt and vally slopes, mainly north aspect but also south aspect, with Elymus spicatus, Chrysothamnus nauseosus, Yucca glauca. Large, purple-colored flowers, mixed color population with flowers lavender, less often purple, trace white. Phenology: flowering.

U.S.A., Wyoming, Washakie County: West slope Bighorn Mountains: 1.3 mi S of Rome Hill Road, ca 9.2 air mi SE of Ten Sleep.
Ridgetop at southern point on and around silt outcrop, with Elymus spicatus, Gutierrezia sarothrae. Mixed color population with flowers lavender, less often purple, trace white. Phenology: flowering.
with Claire Leon

U.S.A., Wyoming, Fremont County: East Slope Wind River Range: Winchester Ranch, 1 mi W of Bull Lake Creek, ca 31 air mi NW of Lander.
On midslope of side ridge, southwest aspect, 3% slope, on glacial till, with Artemisia tridentata var. wyomingensis, Stipa comata, Bouteloua gracilis, Packera cana. Faint lavender color banner with purple veins, purple keel, white wing. Phenology: flowering.

U.S.A., Montana, Powder River County: Ca 0.5 air mi W of Otter Creek Road, ca 0.5 air mi S of Custer National Forest boundary, ca 30 air mi SSE of Ashland.
Grass and Artemisia frigida dominated meadow. Phenology: vegetative only.

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

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: W of Forest Road 4794 in the vicinity of Horse Creek Buttes, ca 6 air mi SE of Poker Jim Butte, ca 23 air mi S of Ashland.
Draw dominated by chokecherry, boxelder, and Symphoricarpos with rock outcrops on margins. Phenology: vegetative only.
Accession: (unaccessioned), Barcode: USFS0050285

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

U.S.A., Wyoming, Platte County: Wyoming Army National Guard Camp Guernsey Training Area: Gray Rocks Ranch, ca 600 ft ENE of the Gray Rocks Entry Gate.
zone 13, 512848E, 4677411N; NAD 83, Specimen Label
High plains, gentle north-facing slope, sandy blow out area, with Arenaria hookeri, Phlox hoodii, Senecio cana, Opuntia polycantha, Artemisia frigida, and Thermopsis rhombifolia; Arikaree Formation; soils Taluce, thin solum-Rock outcrop-Turnercrest complex. Flowers white with a purple spot on keel. USGS 7.5' Wheatland NE Quad. Phenology: flowering.
with Donald L. Hazlett 13633

U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: between North and Middle forks of Owl Creek, ca 5 mi WNW of Anchor Reservoir, ca 35 air mi WNW of Thermopolis.
On limestone rims and smaller slaty outcrops; occurs in sparse vegetation with Elymus spicatus, Phlox hoodii, Physaria spatulata. Occasional; almost all plants have white flowers with purple keel tip, but trace have lavender flowers. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: directly above Antelope Reservoir Dam, ca 30 air mi W of Thermopolis.
On limey sandstone bench, rubble and outcrops, south aspect; occurs in barren vegetation with Elymus spicatus and Populus angustifolia. Uncommon; all flowers white, including keel. Phenology: flowering.

U.S.A., Wyoming, Johnson County: East slope Big Horn Mountains: N of North Fork Salyes Creek, ca 1.5 mi S of Stone Mountain, ca 11 air mi NW of Buffalo.
T51N R84W S12
In dry, rocky meadow above saddle, 10% slope, west aspect; occurs with Phlox hoodii, Physaria curvipes, and Astragalus miser. Common. Phenology: flowering.
with J. Handley

U.S.A., Wyoming, Fremont County: Wind River Basin:Boysen State Park, ca 9 air mi N of Shoshoni.
On cobble pavement overlying erodible silty slopes; occurs in sparse vegetation with Hesperostipa comata, Aristida longiseta, and Eriogonum microthecum. Occasional. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: south end of Hamilton Dome, ca 19 air mi NW of Thermopolis.
On highway right-of-way within sparsely vegetated terrace slopes and finger ridges, southeast aspect; occurs with Elymus spicatus, Phlox muscoides, and Eremogone hookeri. Occasional; all flowers white with purple keel. Phenology: flowering.

U.S.A., Montana, Valley County: Glasgow OHV Area, E of Cherry Creek, ca 2.5 air mi N of Glasgow.
Hillsides with gravelly clay soil. Phenology: flowering.
Joseph L. M. Charboneau, 3874. 5/10/2011.

U.S.A., Montana, Valley County: N of Willow Creek Road, near Mud Creek, ca 3 air mi SSE of Jack Rabbit Reservoir, ca 10.5 air mi WNW of Fort Peck; ca 12 air mi S of Glasgow.
Hilltops and ridges. Phenology: flowering.
Joseph L. M. Charboneau, 3881. 5/19/2011.

U.S.A., Montana, Valley County: E of Willow Creek Road, ca 1.5 air mi SW of Willow Creek Flat Reservoir, ca 14 air mi WSW of Fort Peck; ca 17 air mi SSW of Glasgow.
Rocky hilltops and slopes with sandstone. Phenology: flowering.
Joseph L. M. Charboneau, 3908. 5/19/2011.

U.S.A., Montana, Phillips County: Turkey Track Hill, NW of the end of the paved portion of Mont Hwy 243, ca 1 air mi N of the Milk River, ca 7 air mi N of Saco; ca 28 air mi ENE of Malta.
Stony clay hilltops. Phenology: flowering.

U.S.A., Montana, Phillips County: S of U.S. Hwy 191, W of Alkali Creek, ca 2.5 air mi N of Halfway Coulee, ca 9 air mi SW of Malta.
Hilltops and hillsides on loamy to sandy soil with sandstone outcrops. Phenology: flowering.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: along Refuge Road 306, W of U.S. Hwy 2, upper Antelope Creek Valley and ridge to the E, ca 4.5 air mi NNW of Fred Robinson Bridge, ca 19 air mi SW of Zortman; ca 62.5 air mi SW of Malta.
Upper hillsides with big sagebrush and juniper on clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Matador Ranch: N of Beaver Creek, ca 3.5 air mi NE of Coburn Butte, ca 9.5 air mi E of Zortman; ca 37 air mi SW of Malta.
Silver sagebrush-grasslands on stony clay hillslopes and hilltops. Phenology: flowering.
with Ben Wagner and Matt Ocko

U.S.A., Montana, Phillips County: S of U. S. Hwy 191, along BLM Road 1119, on ridge W of Rock Creek, ca 0.5 air mi W of JD Reservoir, ca 8.5 air mi SSW of Zortman; ca 52 air mi SW of Malta.
Sagebrush-grasslands on clay soil on hilltops and slopes. Phenology: flowering.

U.S.A., Montana, Phillips County: Matador Ranch: W of Stage Road, S of Big Warm Creek, ca 2 air mi W of Parrot Lake, ca 13 air mi ENE of Zortman; ca 31 air mi SW of Malta.
Rocky hilltops. Phenology: flowering.

U.S.A., Montana, Valley County: S of Britsch Road, N of Bitter Creek Natural Gas Pipeline Compressor Station, ca 4 air mi NNE of Forsman Reservoir, ca 28 air mi SW of Opheim; ca 32 air mi N of Glasgow.
Stony hilltops. Phenology: flowering.

U.S.A., Montana, Valley County: Foss Coulee, S of Shipp Road, ca 5.5 air mi S of Glasgow Base Ponds, ca 2.5 air mi SW of St. Marie; ca 13 air mi NNE of Glasgow.
Stony clay hilltops and slopes. Phenology: flowering.

U.S.A., Montana, Valley County: Shufeldt Ridge, E of Hill Ranch Road, ca 1 air mi SE of Two Forks Reservoir, ca 24.5 air mi WSW of Fort Peck; ca 28 air mi SSW of Glasgow
Sandy to loamy hilltops and ridges. Phenology: flowering.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: N of Bonetrail Boat Ramp, along Refuge Road 425, ca 1 air mi N of Fort Peck Lake, ca 44 air mi WSW of Fort Peck; ca 46 air mi SW of Glasgow.
Sandy hilltops. Phenology: flowering.

U.S.A., Montana, Valley County: Ridge above Lost Coulee, N of Gerbacher Road, E of Larb Creek Road, ca 0.5 air mi N of Dead Mans Hill, ca 15 air mi SW of Hinsdale; ca 31 air mi W of Glasgow.
Hillsides and ridges on sandy soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Assiniboine Creek and ridge to the NE, ca 2.5 air mi W of the Milk River, ca 8 air mi NNE of Malta.
Hills and swales on sandy soil. Phenology: flowering.

U.S.A., Montana, Phillips County: N of Assiniboine Road, ca 9.5 air mi WSW of Fanny Hill, ca 27 air mi SSW of Loring; ca 13 air mi NNW of Malta.
Hillsides and hilltops Phenology: flowering.

U.S.A., Montana, Phillips County: Spring Coulee, W of U.S. Hwy 191, ca 1.5 air mi W of the Milk River, ca 10.5 air mi NNE of Malta.
Hillsides and hilltops on sandy soil. Phenology: flowering.

U.S.A., Montana, Phillips County: E of Content Road, ca 2 air mi SW of Tallow Creek, ca 44 air mi E of Zortman; ca 30 air mi SSE of Malta.
Well-drained hilltops. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: E of Beaver Creek, ca 4.5 air mi E of Black Cow Reservoir, ca 49 air mi ENE of Zortman; ca 31 air mi SSE of Malta.
Hillsides on loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Little Rocky Mountains: Mill Gulch and ridge to the E, ca 0.5 air mi NE of Landusky; ca 4.5 air mi WSW of Zortman; ca 48 air mi SW of Malta.
Rocky outcroppings and surrounding areas. Phenology: flowering.

U.S.A., Montana, Phillips County: N of Mont Hwy 208, hills between Lush Coulee and Martins Coulee, ca 3 air mi SW of Austin Lake, ca 6.5 air mi SSW of Whitewater; ca 24.5 air mi NNE of Malta.
Stony clay hilltops. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Button Butte Coulee, W of Rudolph Valley Road, ca 5 air mi WNW of Button Butte, ca 29 air mi NW of Zortman; ca 26 air mi SSW of Malta.
Grasslands with fringed sage and spikemoss. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Ridge W of Frenchman Creek, N of Frenchman Road, ca 1/4 air mi SW of Frenchman Reservoir, ca 22.5 air mi NNW of Hinsdale; ca 45 air mi NW of Glasgow.
Hilltops on silty soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: American Prairie Reserve: Dry Fork Ridge, S of West Fork Dry Fork Creek, ca 3.5 air mi ENE Wrangler Reservoir, ca 29 air mi ESE of Zortman; ca 43 air mi SSW of Malta.
Silty hilltops. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: American Prairie Reserve: W of Reynolds Hill Road, ca 4.5 air mi W of Square Butte, ca 40.5 air mi ESE of Zortman; ca 42 air mi SSE of Malta.
Big sagebrush-grasslands on rolling hills of loamy soil. Phenology: fruiting.
with Mark Majerus, Michael Dolan, Noorjahan Parwana, and Katie Butts

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

U.S.A., Montana, Valley County: Middle Fork Porcupine Creek, S of Baylor Road, ca 2 road mi E of Baylor, ca 14 air mi S of Opheim; ca 34 air mi NNE of Glasgow.
Grasslands on loamy soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: Larb Hills (North): E of Lower Harb Road, ca 1.5 air mi E of Beaver Creek, ca 15 air mi SW of Saco; ca 15.5 air mi ESE of Malta.
Rolling sagebrush-grasslands on loamy soil with slopes and swales. Phenology: fruiting.

U.S.A., Montana, Phillips County: N of Cottonwood Creek, ca 9.5 air mi WNW of Fanny Hill, ca 27 air mi WSW of Whitewater; ca 27 air mi NNW of Malta.
Grasslands with occasional silver sagebrush on loamy soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: Korsbeck Waterfowl Production Area: W of Stage Road, ca 8 air mi N of Ester Lake, ca 24 air mi NNE of Zortman; ca 21.5 air mi SW of Malta.
Grasslands on loamy soil with occasional silver sagebrush, alkaline areas, and large patches of crested wheatgrass, yellow sweetclover, and alfalfa. Phenology: fruiting.

U.S.A., Montana, Phillips County: American Prairie Reserve: North Fork White Rock Coulee, ca 4.5 air mi ESE of Little Warm Reservoir, ca 24.5 air mi ENE of Zortman; ca 24 air mi SSW of Malta.
Grassland hills with big sagebrush on clay to loamy soil. Phenology: fruiting.

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

U.S.A., Montana, Phillips County: American Prairie Reserve: Parrot Coulee at confluence with Beaver Creek, ca 1.5 air mi SW of Veseth Reservoir, ca 16 air mi E of Zortman; ca 36 air mi SSW of Malta.
Sandy butte above creek bed. Phenology: fruiting.
with Damien Austin

U.S.A., Montana, Phillips County: American Prairie Reserve: south bank of Beaver Creek ca 3.5 air mi NNE of Holzhey Reservoir, ca 23 air mi ENE of Zortman; ca 30 air mi SSW of Malta.
Hillsides and grasslands with scattered sagebrush on sandy soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: American Prairie Reserve: Larb Hills (South): La Plaz Coulee, ca 4.5 air mi N of Fort Peck Lake, ca 4 air mi NE of Schuyler Butte, ca 47 air mi SSE of Glasgow.
Breaks hills and slopes with ponderosa pine woodland and large areas of yellow sweetclover on clay to shalely soil. Phenology: fruiting.

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

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: Mickey Butte, ca 4 air mi ENE of Dry Lake, ca 43 air mi ESE of Zortman; ca 54.5 air mi S of Malta.
Big sagebrush-grasslands on clay hills. Phenology: fruiting.

U.S.A., Montana, Phillips County: Little Rocky Mountains: NE of Silver Peak, ca 2 air mi ENE of Sugar Loaf Butte, ca 2.5 air mi E of Landusky; ca 47 air mi SW of Malta.
Open south-facing slopes with ponderosa pine and juniper. Phenology: fruiting.

U.S.A., Montana, Carbon County: Beartooth Plateau: Custer National Forest: Line Creek at breach through limestone hogbacks.
T9S R20E S30
Limestone and talus. Phenology: flowering.
Accession: (unaccessioned), Barcode: USFS0048208

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: just N of SD Hwy 20, ca 0.5-1 air mi W of Reva Gap, ca 17.5 air mi E of Buffalo.
Badlands. Phenology: flowering & fruiting.
with Hans Hallman
Accession: (unaccessioned), Barcode: USFS0050684

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: W of Forest Road 4794 in the vicinity of Horse Creek Buttes, ca 6 air mi SE of Poker Jim Butte, ca 23 air mi S of Ashland.
Draw dominated by chokecherry, boxelder, and Symphoricarpos with rock outcrops on margins. Phenology: vegetative only.

U.S.A., Wyoming, Park County: Absaroka Mountains: northwest side of Sheep Mountain, above Post Creek, ca 5 mi E of Wapiti.
Limestone cliffs. Phenology: vegetative only.

U.S.A., Wyoming, Park County: Absaroka Mountains: southwest side of Rattlesnake Mountain, above Red Springs.
On limestone cliffs. Phenology: vegetative only.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along County Road FU6, ca 4 mi E of Wapiti.
Sagebrush-grassland. Phenology: vegetative only.

U.S.A., Montana, Carbon County: Beartooth Plateau: Custer National Forest: Line Creek at breach through limestone hogbacks.
Limestone and talus. Phenology: flowering.
Annotated by Emily Elliott.
Accession: RM 865101, Barcode: USFS0045594

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: slopes along Railroad Canyon, between Salt and Cruikshank creeks, 6.3 air mi NE of Leadore.
Sandy or gravelly soil in xeric limber pine vegetation; 27° slope, WSW aspect; carbonate sedimentary geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Montana, Madison County: Madison River and foothills of Gravelly Range: Wall Creek State Wildlife Management Area: ca 21 air mi S of Ennis, ca 13 air mi NE of Black Butte, ca 1 air mi SW of BLM Ruby Creek Campground.
Sparsely vegetated, rocky, east and south-facing slopes. Phenology: flowering.
1. Astragalus gilviflorus E. Sheld. var. gilviflorus .

U.S.A., Montana, Madison County: Sweetwater Creek, ca 24 air mi ESE of Dillon, ca 9 air mi S of Ruby River Reservoir.
Grasslands on a slope. Phenology: flowering.
1. Astragalus gilviflorus E. Sheld. var. gilviflorus .

U.S.A., Wyoming, Natrona County: Along Casper Mountain Road at address 5319, opposite Church of Christ.
T33N R79W S21
Grassland. Phenology: flowering.
with Jane P. Nelson

U.S.A., Wyoming, Fremont County: Boysen Reservoir.
Rocky calcareous hills with Oryzopsis, Erigonum. Corolla white; keel tipped with lavender. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Bridger Mountains: east end of Copper Mountain N of Point of Mountan Road, ca 16 air mi N of U.S. Hwy 20-26.
Shaley semi-barren slope at base of limestone talus ridge in Artemisia nova-cushion plant community. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Ca 6 mi SW of Lingle.
42.09° N, 104.4576° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Sparse grassland with Phlox hoodii, Bouteloua. Flower color white tinged with lavender. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: SE of Thermopolis and E of the Wind River Canyon, on the north flank of Owl Creek Range: Devils Slide.
Threetip sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Shell Creek.
Annotated by Marvin L. Roberts in 1977.
with Coral E. Moore

U.S.A., Wyoming, Hot Springs County: Thermopolis.
Gravelly hill sides. Phenology: flowering.
Annotated by Marvin L. Roberts in 1977.

U.S.A., Wyoming, Fremont County: Birds Eye.
Sagebrush draws. Phenology: flowering.

U.S.A., Wyoming, Johnson County: On Allan Perry Ranch, ca 3.5 air mi SSW of end of Wyo Hwy 191 at Mayoworth.
Growing on barren red sandy soil below an escarpment with a large population of Astragalus hyalinus. Phenology: flowering.
James H. Locklear, 2. 5/13/1986.

U.S.A., Wyoming, Sheridan County: W of lower Hanna Creek.
Stony ridge. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Red Canyon.
T42N R92W
Rocky slope with Astragalus missouriensis and Lesquerella alpina. Frequent. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Indian Reservation: Dry Creek.
With Phlox and Lesquerella. Phenology: flowering.

U.S.A., Wyoming, Big Horn County:
T57N R94W S23
Calcareous ridge in Artemisia/Agropyron habitat. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Wind River Indian Reservation: Owl Creek Mountains.
T7N R1E S11 SE1/4
Limestone ridge with Koeleria and Hymenoxys. Phenology: flowering.

U.S.A., Wyoming, Big Horn County:
Calcareous ridge in Artemisia/Agropyron habitat. Phenology: flowering.

U.S.A., Wyoming, Fremont County: NW of Lysite, below Cedar Ridge.
Clay slopes below the ridge with Leptodactylon pungens. Phenology: flowering.
Annotated by B. E. Nelson on 2//1989.

U.S.A., Wyoming, Natrona County: Southeast Big Horn Mountains: north slope of Cedar Ridge, S of Badwater Creek, ca 1.5-2 air mi NW of Badwater.
Gravelly sandstone deposits with scattered Utah juniper woods and Wyoming big sagebrush. Phenology: flowering.

U.S.A., Wyoming, Park County: Along the road up Dead Indian Hill.
Foothills grassland type. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Bighorn National Forest.
Gentle east slope; clay loam; grass park, with wheatgrass, violets, and mountain lily. Fairly abundant. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Between Sheridan and Buffalo.
Rolling plains. Phenology: flowering.

U.S.A., Wyoming, Washakie County: 2 mi SE of Ten Sleep.
Overstory dominance of big sagebrush, Utah juniper, curlleaf mountain mahogany. Phenology: flowering.
Herbert G. Fisser, s.n.. 6/11/1975.
with William A. Gerhart

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

U.S.A., Wyoming: NW Wyoming.
Elam Bartholomew, 6217. 8//1924.

U.S.A., Wyoming, Hot Springs County: Drainage of Middle Fork Owl Creek.
Gentle south-facing slope, loamy soil, with Agropyron spicatum, Koeleria, Poa fendleriana, Poa sandbergii, Carex filifolia, Phlox hoodii, Arenaria hookeri, Zigadenus venenosus, Artemisia frigida, and A. tridentata. Abundant. Phenology: flowering.
Annotated by B. E. Nelson on 3//1981.

U.S.A., Wyoming, Platte County: Camp Guernsey: south end of transect 3.3 km due W of Emigrant Hill Road, ca 3.2 km SW of Range Guard 1.
Hilltop and sides; mixed grass prairie with scattered shrubs; silty loam with gravel to rocks; with Hesperostipa comata, Schizachyrium scoparium, Arenaria hookeri ssp. hookeri, Parthenium alpinum, Artemisia nova, Rhus trilobata, Tetraneuris acaulis. Scattered; cushion, taprooted, perennial herb; less than 10 cm tall. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Lovell Training Area: ca 5.0 km SSW of Levell Peak (1573 m), 2.8 km E of U.S. Hwy 310.
zone DMC, 715574E, 4958860N; unknown, GPS reading
Hogback with east and west-facing drainages; Wyoming big sagebrush/cushion; Rekop-Gystrum complex; sandy clay with bentonite and rock outcrops; with Artemisia tridentata, Phlox hoodii, Leptodactylon caespitosum, Scenecio cana, Gutierrezia sarothrae, Chrysothamnus nauseosus. Common; caespitose, taprooted, perennial herb; less than 5 cm tall; corollla white suffused with purple. Phenology: flowering.
Patricia P. Douglas, 53. 5/16/1999.
with Nancy E. Hastings

Astragalus gilviflorus var. purpureus (1997)
Astragalus gilviflorus E. Sheld. var. purpureus Dorn
U.S.A., Wyoming, Fremont County: Wind River Range: East Fork Big Game Winter Range, ca 3.5 air mi NNE of Dubois.
Heavily grazed grassland with Artemisia in draws; some redbeds. Phenology: vegetative only.

Astragalus gilviflorus var. purpureus (1995)
Astragalus gilviflorus E. Sheld. var. purpureus Dorn
U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Saltbush-forbland with Atriplex gardneri, Allium textile, Lomatium foeniculaceum, Penstemon eriantherus, and Artemisia pedatifida. Phenology: buds.

Astragalus gilviflorus var. purpureus (1995)
Astragalus gilviflorus E. Sheld. var. purpureus Dorn
U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Saltbush steppe with Atriplex gardneri, Atriplex confertifolia, Phlox muscoides, and Carex filifolia. Phenology: flowering.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Saltbush steppe with Atriplex gardneri, Lomatium foeniculaceum, Allium textile, and Poa secunda. Phenology: flowering.

Badlands. Plot 96006 NW, NE, SE
1. Astragalus gilviflorus E. Sheld. var. purpureus Dorn
Annotated by L. Kinter & W. Fertig.
Accession: (unaccessioned)

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

U.S.A., Wyoming, Fremont County: Bonneville National Forest.
no collector, s.n.. //1912.

U.S.A., Wyoming, Fremont County: Game and Fish East Fork Winter Range: Alkali Creek Area; ca 5.5 air mi NE of Dubois.
Growing in loam with grasses on 5% north facing slope. Phenology: vegetative only.
with D. Rizor

U.S.A., Wyoming, Fremont County: Ca 13.2 mi E of Dubois along Wyo Hwy 26.
Red sandy clay outcrops in sagebrush community. Phenology: vegetative only.

U.S.A., Wyoming, Fremont County: Wind River Basin: along U.S. Hwy 26/287 ca 13 road mi SE of Dubois, at picture turnout just E of Little Red Creek, S of road. /4 /4S14.
On somewhat-vegetated roadcut on fine red soil (Chugwater Formation). Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Basin: N of Dubois along Horse Creek Road, 2.7 air mi N of junction with U.S. Hwy 26/287, W of road. /4 /4S30.
On somewhat-vegetated roadcut on fine red and pale brown soil (Wind River Formation).
Accession: (unaccessioned)

U.S.A., Wyoming, Fremont County: Wind River Basin: on south edge of Dubois, mouth of Lime Kiln Gulch. /4 /4S7.
Badlands slope on Wind River Formation with Phlox bryoides and Arenaria hookeri. Phenology: flowering.
with Al Flinck

U.S.A., Wyoming, Fremont County: Wind River Basin: W of East Fork Road and S of Pease Draw, ca 7 air ESE of Dubois. /4S18.
On badlands slope on Wind River Formation with Phlox bryoides and Arenaria hookeri. Phenology: fruiting.
with Al Flinck

U.S.A., Wyoming, Fremont County: Wind River Basin: W of East Fork Wind River and Wiggins Fork, W of Bear Creek confluence, ca 8 air mi ENE of Dubois. /4S29.
On badlands slope on Wind River Formation with Phlox biyoides and Arenaria hookeri. Phenology: fruiting.
with Al Flinck

U.S.A., Wyoming, Fremont County: Wind River Indian Reservation: Johnson Draw.
Growing on limestone ridge with Cryptantha and Thelesperma. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Northwest Wind River Basin: Dubois badlands, ridge on north side of Pease Draw, ca 1 air mi W of the East Fork Wind River, ca 7 air mi E of Dubois.
Bunchgrass-cushion plant community on ridgeline and east facing slopes of brownish sandy-clay with abundant surface gravel. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Northwestern Wind River Basin: Dubois badlands, ridge on west side of Bear Creek, ca 4 air mi N of confluence of Wiggins Fork and East Fork Wind River, ca 7 air mi NE of Dubois.
Southeast facing slope of pinkish red sandy-clay soil with abundant surface gravel; community of scattered Artemisia nova, Elymus spicatus and cushion plants. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Northwestern Wind River Basin: Dubois badlands, ridge on west side of Mason Draw Road, north of city dump.
Badlands of white shale and pinkish sandy clay on steep south and west facing upper slopes below summit rim; cushion plant-bunchgrass community. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Northwest Wind River Basin: Dubois Badlands; west side of Table Mountain, N of Table Mountain Road.
South-facing steep slope of pinkish-white sandy clay with abundant surface gravel; cushion plant-bunchgrass community with occasional Artemisia tridentata. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Northwest Wind River Basin: Dubois Badlands: southwest end of Table Mountain and rim of Carson Draw, ca 1 1/4 mi W of summit of Windy Ridge; ca 3 3/4 mi E of Dubois, on north side of U.S. Hwy 26.
South-facing ridgecrests and slopes of reddish-brown sandy-clay with abundant surface gravel and sandstone rocks above white-pink banded shale slopes; cushion plant/bunchgrass community. ***Also W1/2 S11; N1/2 NW1/4 S14; and NE1/4 S15. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Northwest Wind River Basin: Dubois Badlands: ridge on west side of East Fork Road, ca 0.5 mi S of Pease Draw; ca 1 mi W of East Fork Wind River; ca 7 air mi ESE of Dubois.
Gravelly outwash fan below tannish sandy-clay gravel knolls dominated by sagebrush; undisturbed sites dominated by cushion plant-bunchgrass community. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Northwest Wind River Basin: east end of Torrey Rim on slopes above SW end of Trail Lake, ca 7 air mi SSE of Dubois.
Midslope of south and east-facing ridge on brownish-red sandy soil with abundant surface gravel of sandy limestone or granite; community of Artemisia tridentata var vaseyana/Elymus spicatus. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Northeastern Wind River Range: south end of Torrey Rim, ca 0.2 mi N of Trail Lake trailhead; ca 1 3/4 mi W of Trail Lake; ca 7 air mi S of Dubois.
South facing foothills and flats on gravelly reddish sandy soil with sandstone flakes on surface; community of Artemisia tridentata var. vaseyana/Elymus spicatus. Phenology: vegetative only.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: Badland Gulch or Byrd Draw on the southeast end of Table Mountain; ca 5 air mi ENE of Dubois.
Red and gray badland slopes. Phenology: vegetative only.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: East Fork of the Big Wind River, 7 air mi ESE of Dubois.
Sagebrush hills with redbeds and shales. Phenology: vegetative only.

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: Badland Gulch (or Byrd Draw) on the southeast end of Table Mountain, ca 5 air mi ENE of Dubois.
Red and gray badland slopes.
Annotated by B. E. Nelson in 1991.

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

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

U.S.A., Wyoming, Fremont County: Absaroka Mountains: East Fork Big Wind River, 7 air mi ESE of Dubois.
Sagebrush hills with red beds and shales.
Annotated by B. E. Nelson in 1991.

U.S.A., Wyoming, Big Horn County: West slope Big Horn Mountains: right-of-way corridor on south and west sides of Alkali Road, ca 7 air mi ENE of Hyattville.
Old roadcuts in redbeds and limey sandstone; occurs in sparse vegetation with Elymus spicatus and Linanthus caespitosus; restricted to right-of-way. All flowers purple, with a trace of pale lavender. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: West slope Big Horn Mountains: N of Alkali Road, ca 15 air mi SE of Greybull.
On sparsely vegetated ridge top with limestone gravel and reddish, chalky silt; also on side slopes and on south side of right-of-way; occurs with Koeleria macrantha, Phlox muscoides, and Physaria curvipes. Occasional; all flowers purple; flower size approaches Astragalus barrii. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: West slope Big Horn Mountains: S of Alkali Road, ca 13.5 air mi SE of Greybull.
Ridge top with sparsely vegetated patches on chalky soil grading into salt-tolerant slopes; with Elymus spicatus and Linanthus caespitosus. Occasional; all flowers purple; flower size approaches Astragalus barrii. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Torrey Rim, ca 7.5 air mi SE of Dubois.
Gravelly south-facing rim and upper slopes; with Elymus spicatus, Artemisia tridentata, Minuartia obtusiloba, Draba oligosperma, and Tetraneuris acaulis. Occasional.

U.S.A., Wyoming, Fremont County:
Rocky barren hills with Astragalus simplicifolius and Erigeron. Corolla purple. Phenology: flowering.
Type Specimen: Holotype for Astragalus gilviflorus E. Sheld. var. purpureus Dorn. Vasc. Pl. Wyoming 297. 1988.
2. Astragalus gilviflorus E. Sheld. var. purpureus Dorn
Annotated by Robert D. Dorn in 1988. Holotype.