Astragalus bisulcatus (1945)
FABACEAE
Astragalus bisulcatus (Hook.) A. Gray
U.S.A., Wyoming, Carbon County: 10 mi N of Sinclair (Parco).
41.9019° N, 107.1793° W; NAD 83, uncertainty 2 mi., Digital Map
Flowers purple. Plants caespitose and erect. Phenology: fruiting.
Accession: RM 199063, Barcode: RM0157285

Astragalus bisulcatus (1948)
FABACEAE
Astragalus bisulcatus (Hook.) A. Gray
U.S.A., Wyoming, Carbon County: Along the North Platte River near the mouth of French Creek.
Elev. 6900 ft.
41.1921° N, 106.5437° W; NAD 83, uncertainty 1 mi., Digital Map
Dry gravelly hills. Phenology: flowering & fruiting.
Accession: RM 211233, Barcode: RM0157283

Astragalus bisulcatus (1949)
FABACEAE
Astragalus bisulcatus (Hook.) A. Gray
U.S.A., Wyoming, Sublette County: Ca 15 mi W of Big Piney.
Elev. 7300 ft.
42.5816° N, 110.3877° W; NAD 83, uncertainty 2 mi., Digital Map
Wasatch formation; Dry gumbo soil. Phenology: fruiting.
Accession: RM 215351, Barcode: RM0157277

U.S.A., Wyoming, Fremont County: Green Mountains: Crook's Gap.
Elev. 7000 ft.
Stream bank. *southeastern Fremont county* Phenology: fruiting.

U.S.A., Wyoming, Carbon County: 2 mi SW of Difficulty.
Sandy meadows. Common locally. [2 mi SW of Difficulty] Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Shirley Basin area, Bates Hole.
Sagebrush-grassland, dry clayey soil. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Carbon County: On Seminoe Rd 20.4m N of W. Sinclair, WY.
T24N R85W S27 NW
Across the road from the Rorripa calycina collection area. Barren clay soil. From a clump about 1 1/4 ' high and about as wide. All four specimens of this number from one plant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Plains: Mortenson Lake National Wildlife Refuge: ca 11 air mi SW of Laramie.
Grassland uplands. Purple flowers. 7.5' caldwell Lake Quad Phenology: flowering.
Accession: RM 841017

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. Purple flowers. 7.5' Hutton Lake Quad Phenology: flowering.
Accession: RM 841018

U.S.A., Montana, Golden Valley County: Lewis and Clark National Forest: about 30 air mi NW of Round-up: Travel 10 mi N on U.S. Highway 87, turn west at FS sign "Little Snowies": Travel Forest Road #271 NW for about 25 mi to Forest boundary and continue 1.5 mi to junction Minerva Creek Road at Five Mile Coulee. Travel 1 mi SE to Minerva RNA.
T11N R21E S1; also SE1/4
Associated with Pinus Ponderosa, Symphoricarpos albus, Agropyron smithii, Agropyron spicatum, Juniperus communis, Balsamorhiza sagittata. Phenology: flowering.
Accession: RM 629545

U.S.A., Montana, Meagher County: 10 mi NW of White Sulphur Springs.
Phenology: flowering.
C. Leo Hitchcock, s.n.. 7/8/1947.

U.S.A., Montana, Meagher County: 10 mi NW of White Sulphur Springs.
Phenology: flowering.

U.S.A., Montana, Big Horn County: O. W. Ranch.
Abandoned field; clay soil. Phenology: flowering.

U.S.A., Montana, Park County: Suksdorf's Gulch: 9 mi NW of Wilsall.
Phenology: flowering & fruiting.
Wilhelm N. Suksdorf, 276. 8/1/1921.

U.S.A., Montana, Powell County: 10 mi NE of Helmville: Sagebrush Flat.
Phenology: flowering.

U.S.A., Montana, Broadwater County: 10 mi S of Townsend, on road to Helena.
In small ravine. Phenology: flowering.

U.S.A., Montana, Powell County: 13 mi W of Lincoln on Ovando Road.
Open sagebrush benchland. Corollas purplish, but varying to nearly white. Phenology: flowering.

U.S.A., Montana, Wheatland County: About 3 mi NW of Shawmut.
In bunchgrass along road. Phenology: flowering.

U.S.A., Montana: Breeding Pasture, District 5.
West slope; clay loam. Moderate abundance. Phenology: flowering & fruiting.
Accession: USFS 502020

U.S.A., Montana, Madison County: Beaverhead National Forest.
T9S R3W S28
3% WSW slope; heavy clay soil. Common. Phenology: vegetative only.
Anthony B. Evanko, ABE-98. 7/11/1950.
Accession: USFS 502019

U.S.A., Montana: Poplar.

U.S.A., Montana, Liberty County: 15 mi NW of Chester.
Few scattered plants along roads. Phenology: flowering.

U.S.A., Montana, Park County: Suksdorfs Gulch, 9 mi NW of Wilsall.
Low ground. Phenology: flowering.
Wilhelm N. Suksdorf, 278. 6/30/1921.

U.S.A., Montana, Carter County: Alzada.
Southern slope of hill. Plant has strong odor of selenium, those examined farther north gave no signs of it; few scattered plants. Phenology: flowering.

U.S.A., Montana, Powder River County: Northern Rocky Mountain Experiment Station: Custer National Forest: Boyes.
Gentle western slope; clay soil. Few plants. Phenology: flowering.
Accession: USFS 502021

U.S.A., South Dakota, Fall River County: Highway 18, ca 1 mi W of Edgemont, and 1 mi E of Wyoming border.
Short grass prarie. Phenology: flowering.
with M. Ralphs

U.S.A., Montana, Carbon County: North Fork of Trail Creek.
T8S R29E S30
Cottonwood bottom. Phenology: flowering.

U.S.A., Montana, Big Horn County: Near Hardin.
Open prairie. Phenology: flowering.

U.S.A., Montana, Meagher County: 14.9 mi S of White Sulphur Springs, along Highway 89.
Grassy roadside dtich. Phenology: flowering.
with T. Mosquin

U.S.A., Montana, Teton County: 2.6 mi N of Dutton on Highway 91.
with T. Mosquin

U.S.A., Montana: Livingston.
Upland plains. Phenology: flowering.

U.S.A., Montana, Lewis and Clark County: ca 5 mi NW of Silver City.
In moist alkiline flats. Flowers reddish-purple. Phenology: flowering.

U.S.A., Nebraska: Dakota Junction.

U.S.A., North Dakota, Ward County: Des Lacs National Wildlife Refuge: W side of Upper Des Lacs Lake, 5 mi NNW of Kenmare.
Prairie. Phenology: flowering.

U.S.A., North Dakota, Morton County: Glen Ullin.

U.S.A., North Dakota: Rutland.
Phenology: flowering & fruiting.

U.S.A., North Dakota:
No other data. Phenology: fruiting.

U.S.A., North Dakota, Ward County: Near Minot.
Morainic hills. Phenology: fruiting.

U.S.A., North Dakota: Marmarth.
Phenology: fruiting.

U.S.A., North Dakota, Ramsey County: Devil's Lake.
Prairie. Phenology: flowering.
Joyce Peterson, s.n.. 6/10/1934.

U.S.A., Wyoming, Carbon County:
Elev. 1983 m.
41.84° N, 107.11° W; unknown, , GPS reading
Along roadside. Extremely abundant. Phenology: flowering.
Joshua G. Harrison, 10. 7/11/2019.

U.S.A., Wyoming, Carbon County:
Elev. 1983 m.
41.84° N, 107.11° W; unknown, , GPS reading
Along roadside. Phenology: flowering.
Joshua G. Harrison, 10. 7/11/2019.

Astragalus bisulcatus f. hedysariformis (1895)
Astragalus bisulcatus A. Gray f. hedysariformis Gand.
U.S.A., Wyoming, Laramie County: Table Mtn. [County not given on label.]
Type Specimen: Isotype for Astragalus bisulcatus A. Gray f. hedysariformis Gand.. Bull. Soc. Bot. France 48 (Sess. Extraord): 14. 1902.
Annotations:
3. Astragalus bisulcatus A. Gray f. hedysariformis Gand.
Annotated by Rupert C. Barneby in 1960. Isotype.
2. Astragalus bisulcatus A. Gray
Annotated by C. L. Porter in 1939. '39 verbatim date.
1. Astragalus bisulcatus A. Gray.

Astragalus bisulcatus f. hedysariformis (1895)
Astragalus bisulcatus A. Gray f. hedysariformis Gand.
U.S.A., Wyoming, Albany County: Laramie Plains.
Type Specimen: Isotype for Astragalus bisulcatus A. Gray f. hedysariformis Gand.. Bull. Soc. Bot. France 48 (Sess. Extraord): 14. 1902.
Annotations:
2. Astragalus bisulcatus A. Gray f. hedysariformis Gand..
1. Astragalus bisulcatus A. Gray.

Astragalus bisulcatus f. nelsonii (1897)
Astragalus bisulcatus A. Gray f. nelsonii Gand.
U.S.A., Wyoming, Sweetwater County: Bitter Creek. [County not given on label.]
Phenology: fruiting.
Type Specimen: Isotype for Astragalus bisulcatus A. Gray f. nelsonii Gand.. Bull. Soc. Bot. France 48: 15. 1902.
Annotations:
2. Astragalus bisulcatus A. Gray f. nelsonii Gand.
Annotated by Rupert C. Barneby in 1960. Isotype.
1. Astragalus haydenianus A. Gray.

Astragalus bisulcatus var. bisulcatus (1996)
Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus
U.S.A., Wyoming, Park County: Northern Absaroka Area: hogbacks E of Bald Ridge between Sheep and Newmeyer creeks, ca 10 air mi SW of Clark; ca 21.5 air mi NW of Cody.
Grassland or sagebrush grassland basin on redbeds. Phenology: flowering.

Astragalus bisulcatus var. bisulcatus (1996)
Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus
U.S.A., Wyoming, Park County: Northern Absaroka Area: Hogan Reservoir N and W at base and slopes of Bald Ridge.
Redbeds, sandstone and shale, limestone; foothills and outwashes. Phenology: flowering & fruiting.

Astragalus bisulcatus var. bisulcatus (1997)
Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus
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 & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: drainage and slopes accross highway from Tie Hack Memorial, ca 19 mi W of Dubois on U.S. Hwy 26/287.
Sagebrush shrubland with occasional wet areas in drainage. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Rough breaks with various sagebrushes and old reclaimed coal areas. Phenology: flowering.
with Amy J. Roderick

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: fruiting.
with Jim Fowler
Accession: USFS 852936, Barcode: USFS0037541

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: fruiting.
1. Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus
Annotated by Amy J. Roderick.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: The Dry Lake off Keyton Creek or Forest Road 937, ca 45 air mi SW of Newcastle; ca 25.5 air mi NNE of Bill.
Flats and bank adjacent to the playa. Phenology: flowering.
1. Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: N of Keyton Creek off Keyton Creek or Forest Road 937, ca 47 air mi WSW of Newcastle; ca 23 air mi NNE of Bill.
Stream bottom and gully bottoms. Phenology: flowering.
1. Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: on the divide between Buzzard and Little Mike creeks, ca 2.5-3 air mi N of Wyo Hwy 450, ca 35 air mi SW of Upton.
Clay slopes with stony outcrops, scattered sagebrush, and grassy draws. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along Lake Creek and area to the E, ca 14 air mi NE of Bill; ca 46 air mi NNE of Douglas.
Greasewood flats above the creek. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: between Buffalo Creek Road and Alkali Draw along a tributary, ca 3 air mi NNW of Goose Butte, ca 8.5 air mi W of Upton.
Slopes and bottom of a large draw. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Pine Ridge, ca 1 air mi W of Wyo Hwy 116, ca 4.5 air mi N of Upton.
Bentonite reclamation areas. Phenology: flowering.

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Red Hills ca 0.5-1 air mi WSW of Dugout Bench Mark, ca 46.5 air mi N of Douglas; ca 13 air mi N of Bill.
Badlands in broad draw below scoria slopes. Phenology: flowering.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along Alkali Draw above Buffalo Creek Road, ca 1.5 air mi NW of Goose Butte, ca 9.5 air mi W of Upton.
Grassy slopes along the draw. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: mesa in Rochelle Hills, ca 1 air mi E of School Creek, ca 2.5 air mi SSE of Thunder Basin Work Center; ca 17.5 air mi ESE of Wright; ca 48 air mi SSE of Gillette.
Grassy areas on lower canyon slopes. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along Little Thunder Creek ca 1 mi below Little Thunder Reservoir, ca 8 air mi SE of Wright; ca 43 air mi S of Gillette.
Dry meadow in the bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: Old Woman Creek Hills, ca 2.5 air mi E of U.S. Hwy 85, ca 52 air mi S of Newcastle; ca 25 air mi NNE of Lusk.
Rocky slopes with little bluestem. Phenology: flowering & fruiting.
Peter J. Ebertowski, 1088. 7/3/2002.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on Jenney Trail Road above and N of Lonetree Creek, ca 15 air mi NW of Bill; ca 25 air mi S of Wright.
Grassland and sagebrush/grassland. Phenology: flowering.
Peter J. Ebertowski, 109. 6/16/2002.
with B. E. Nelson

U.S.A., Wyoming, Crook County: Thunder Basin National Grassland and Vicinity: Cracker Creek on County Road 68, ca 25 air mi NNE of Weston; ca 40 air mi NNE of Gillette.
Creek bed. Phenology: fruiting.
Peter J. Ebertowski, 1323. 7/7/2002.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: intersection of County roads 32 and 33, ca 24 air mi NNW of Douglas; ca 21 air mi NE of Glenrock.
Roadside in sagebrush/grassland. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: side of road along Sand Creek on County Road 31, ca 36 air mi N of Glenrock; ca 32 air mi SSW of Wright.
Roadside in sagebrush/grassland. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Crook County: Thunder Basin National Grassland and Vicinity: tributary of South Deer Creek on County Road 68, ca 12.5 air mi N of Moorcroft; ca 29 air mi ENE of Gillette.
Bank of creek in sagebrush/grassland. Phenology: fruiting.

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

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Persson Draw on Clarkelen Road, ca 16 air mi NNW of Wright; ca 24 air mi SSW of Gillette.
Sagebrush/grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: spring and head of Holmes Creek on Payne or Forest Road 934, ca 18 air mi SE of Wright; ca 26 air mi N of Bill.
Sagebrush/grassland with sandstone outcrops. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Skull Creek, ca 0.6 mi N of Wyo Hwy 450 on gravel road, ca 5 air mi WSW of Newcastle; ca 25 air mi SE of Upton.
Side of road above creek. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: tributary of Dry Creek on Dull Center or County Road 38, ca 3 mi E of Bill; ca 35 air mi NNE of Douglas.
Sagebrush/grassland. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Lightning Creek on County Road 43, ca 34 air mi NE of Douglas; ca 17 air mi ESE of Bill.
Along creek. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Cow Creek Buttes on East Bill or Forest Road 958, ca 43 air mi NNE of Douglas; ca 41 air mi SE of Wright.
Creek bed. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Soukup Draw on Hall Road, ca 16 air mi NNW of Gillette; ca 17 air mi SSE of Recluse.
Roadside in sagebrush/grassland. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Piney Creek on Piney Creek or County Road 17, ca 24 air mi ESE of Wright; ca 27 air mi NNE of Bill.
Creek bed. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: South Branch Beaver Creek on Wyo Hwy 116, ca 6.5 air mi SW of Upton; ca 19 mi SE of Moorcroft.
Fenceline in sagebrush/grassland. Phenology: fruiting.

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

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

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: School Creek ca 1.5 air mi S of its confluence with Little Thunder Creek, on School Creek or Forest Road 968, ca 17 air mi ESE of Wright; ca 47 air mi SSE of Gillette.
Grassy ravine above reservoir. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Hay Creek and vicinity on Mush Creek or County Road 58, ca 27 air mi WSW of Newcastle; ca 21 air mi SSW of Upton.
Creek bed. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Antelope Creek on Forest Road 942, ca 28 air mi SE of Wright; ca 16.5 air mi NNE of Bill.
On floodplain of creek. Phenology: flowering & fruiting.

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

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

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

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: tributary of Lodgepole Creek off Grieves or County Road 5, ca 23 air mi SW of Newcastle; ca 33 air mi SSE of Upton.
Sandy slopes of creek bed. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills N of Thunder Basin Work Center off Wyo Hwy 450, ca 26 air mi ESE of Wright; ca 45 air mi SSE of Gillette.
Scoria hills with ponderosa pine and Rocky Mountain juniper. Phenology: fruiting.

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.

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

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

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: right of way on Heald or County Road 49, ca 32 air mi NNE of Gillette; ca 32 air mi NNW of Moorcroft.
Roadside in sagebrush grassland. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: sagebrush grassland immediately SE of Little Powder River, off Wyo Hwy 59, ca 18 air mi N of Gillette; ca 30 air mi NW of Moorcroft.
Creek bank. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: tributary of Spoon Creek, on County Road 49, ca 6 air mi SW of Osage; ca 14 air mi SSE of Upton.
Sagebrush grassland. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Piney Canyon on Piney Canyon or County Road 69, ca 22 air mi ESE of Wright; ca 48 air mi WSW of Newcastle.
Mosaic of sagebrush grassland, grassland, and rocky clay outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: 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, Crook County: Thunder Basin National Grassland and Vicinity: hills E of West Fork Wind Creek, off U.S. Hwy 16, ca 10 air mi SE of Moorcroft; ca 10 air mi NW of Upton.
Grassland with scattered sagebrush and greasewood. Phenology: flowering.

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: slope forming western edge of Robertson Flat; on Jenne Trail or County Road 34, ca 14 air mi NW of Bill; ca 26 air mi S of Wright.
Roadside in sagebrush grassland. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: low hills N of Little Thunder Creek and Hansen Draw, on gravel road near gas processing plant, ca 21 air mi E of Wright; ca 44 air mi W of Newcastle.
Sagebrush grassland, Bouteloua gracilis abundant. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: sagebrush grassland ca 1.3 mi NW of Soda Well, on Forest Road 1032, ca 31 air mi NNE of Gillette; ca 35 air mi NNW of Moorcroft.
Grassy drainage above reservoir. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: washes W of and draining to Bobcat Creek, on Forest Road 958, ca 10 air mi E of Bill; ca 37 air mi NNE of Douglas.
Sagebrush grassland with scattered greasewood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills E of and draining to East Iron Creek, on four wheel drive road, ca 8 air mi ENE of Upton; ca 23 air mi NW of Newcastle.
Just upland of reservoir shoreline. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Blacktail Creek on U.S. Hwy 85, ca 9.5 air mi S of Newcastle; ca 23 air mi N of Mule Creek Junction.
Wide low bank of creek. Phenology: 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, Campbell County: Thunder Basin National Grassland and Vicinity: Burning Coal Draw just N of North Prong Little Thunder Creek on Wyo Hwy 450, ca 15 air mi ESE of Wright; ca 43 air mi SSE of Gillette.
Grassy watercourse in sagebrush grassland. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Belle Fourche River, on Clarkelen Road, ca 13 air mi SW of Wright; ca 45 air mi SSW of Gillette.
Ravine in sagebrush grassland. Phenology: fruiting.

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

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: grassland ridge separating South Cottonwood and North Oat creeks, on Boner or County Road 18, ca 50 air mi S of Newcastle; ca 29 air mi NE of Lusk.
Grassland with clayey soils. Phenology: fruiting.

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Woody Creek, on two-track off Forest Road 944, ca 29 air mi SE of Wright; ca 11 air mi N of Bill.
Creek bank. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Sunny Draw, on two-track off Forest Road 973, ca 23 air mi SE of Wright; ca 53 air mi N of Douglas.
Sagebrush grassland, Elymus spicatus abundant. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Porcupine Creek, on two-track off Matheson or County Road 70, ca 13 air mi SE of Wright; ca 49 air mi S of Gillette.
Creek bank. Phenology: fruiting.

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: fruiting.

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

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

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

U.S.A., Montana, Carbon County: Along Pryor Mountain Road, ca 9 mi SE of Bridger.
Sagebrush-grassland with scattered limber pine and a few ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: around the western most of the Newton Lakes, ca 4 mi NW of Cody.
Wet soil along lake margin with Scirpus acutus, Hordeum jubatum, Scirpus maritimus var. paludosus and Potentilla paradoxa. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Disturbed weedy area adjacent to springs under Salix amygdaloides with Rosa acicularis, Cynoglossum officinale, and Poa pratensis. Phenology: flowering.

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

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

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: Shoshone National Forest: along Forest Road 285 (Double Cabin), ca 1.2 mi NE of Horse Creek Campground.
Vernally moist meadow opening in Douglas fir forest with Festuca idahoensis, Polygonum bistortoides, and Nothocalais nigrescens. Phenology: flowering & fruiting.

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

U.S.A., Montana, Carbon County: Ridge 2.5 mi SW of Fromberg and 3/4 mi W of U.S. Highway 310.
Sagebrush-grassland with Atriplex confertifolia, Sarcobatus vermiculatus, and Carex filifolia. Phenology: flowering & 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, Teton County: Gros Ventre Mountains: Bridger-Teton National Forest: north-south trending ridge just E of Alkali Creek, 3/4-1 mi S of Gros Ventre River, 23 mi NE of Jackson.
Grassland with Chrysothamnus viscidiflorus, Stipa comata, and Astragalus tenellus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Bridger-Teton National Forest: Soda Lake 2 mi S of the Gros Ventre River, 28 mi E of Jackson.
Sagebrush-grassland with Danthonia unispicata, Castilleja flava, and Eriogonum brevicaule var. laxiflorum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ridge ca 1/3 mi N of the Middle Fork Owl Creek, ca 6 mi WNW of Anchor Reservoir; 40 mi WNW of Thermopolis.
Grassland with some Artemisia tridentata var. vaseyana, and with Koeleria macrantha and Carex filifolia as dominants. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along U.S. Hwy 14, 16, & 20, ca 12 mi W of Cody at Logan Mountain Road.
Disturbed sagebrush-grassland. Phenology: flowering & fruiting.
Accession: RM 820259, Barcode: rm0023829

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Separation Creek along Buzzard Road on Separation Flats, NE of Rendle Point, ca 16 air mi NNW of Rawlins.
Creek bottom at base of steep bluffs. Phenology: flowering.
with Laura Welp

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: perimeter and drainage of Little Sand Spring, ca 10 air mi ESE of Lamont; ca 9 air mi NW of Table Mountain.
Moist area adjacent to spring in low hills; dense graminoids dominant, forbs diverse; organic soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Slope between pond and dunes; graminoids dominant; wet, organic, compact soil. Phenology: flowering & fruiting.

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.
Spring and steep north slope of old volcanic neck; sagebrush and grasses dominant; dry, rocky, silty soil. Phenology: fruiting.

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: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: west end of Crooks Mountain, ca 9 air mi NE of Buffalo Basin Oil Field; ca 11 air mi SE of Sweetwater Station.
Dammed spring, drainage, and nearby hillslope. Phenology: fruiting.

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

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Open stream bank at edge of dense thickets; moist, dark soil. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: low foothills along U.S. Hwy 287, ca 16.5 air mi SE of Lander; ca 1 air mi W of Twin Creek.
Slight slope below pine\juniper forest, Artemisia shrubs and grasses dominant with Cardaria the dominant forb; soil rocky and dry. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: along Twin Creek, ca 6 air mi NW of Schoettlin Mountain; ca 21 air mi SE of Lander.
Rocky flat near creek with red clay soil; 1-2' tall Artemisia shrubs and grasses dominant; diverse forbs. Phenology: flowering.

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

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Sagebrush slopes, area beneath snow fence, and shale and sandstone outcrops. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: W of U.S. Hwy 287 ca 1.5 air mi NW of Ninemile Hill on the Continental Divide, ca 10 air mi NNW of Rawlins.
Sagebrush-grassland with open clay areas. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: rimtop ca 3 air mi NNE of Continental Peak; ca 11 air mi WSW of St. Marys Peak.
Partially vegetated west facing slope of wide draw on rim with rocky sandstone soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: flat near Riddle Creek, ca 5.5 air mi S of Ferris; ca 3 air mi N of Windy Ridge.
Low flat at base of sand dunes; clay soil with sand. Phenology: flowering & fruiting.

Shallow lake with dense grasses; clay soil with sand. Phenology: flowering & fruiting.

Steep, rocky south facing sagebrush 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: 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: Upper Slide Lake.
Rocky slopes. Phenology: flowering & fruiting.
with Stuart Markow

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: highland N of Lower Gros Ventre Drainage and S of Ditch and Slate Creeks: 4 air mi NE of Crystal Creek Campground.
Along creek. Phenology: fruiting.
Accession: (unaccessioned)

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: southeast edge of Sage Creek Basin, ca 27 air mi S of Rawlins.
Roadside. Phenology: flowering.

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

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 & fruiting.

U.S.A., Colorado, Delta County: [location and coordinates withheld]
Pinyon/juniper forest; Cercocarpus, Amelanchier, Peraphyllum, Thermopsis, and Bromus tectorum. Phenology: fruiting.

Badlands. Plot 96006 NW, NE, SE Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: upper Lime Kiln Gulch, S of Dubois; road from "Jakeys Fork Trail"; left before road crosses drainage, on north side of fence.
Artemisia tridentata var. wyomingensis stand. Plot 96018 NW, NE, NE Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Brent Creek: ca 9.5 mi NW of Dubois; N of the main road and creek.
Grassland. Plot 94054 SW, NE Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: South Fork to Tappan Creek: ca 8 mi NW of Dubois.
T42N R107W S5
Sagebrush. Plot 94014 SW, SE, SE Phenology: flowering.
with Susanne Neumiller

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station.
Sagebrush with scattered Pinus flexilis; dry areas. Phenology: flowering.
Robert S. Kirkpatrick, 3628. 7/5/1984.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ridge and buttes between Oat and Brush creeks, ca 0.5 mi N of Nebraska and 1-1 1/4 mi E of Wyoming, ca 23 air mi SE of Edgemont.
Slightly saline clay flats adjacent to the reservoir. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 22-22.5 air mi NNW of Crawford and 2 mi E of NE Hwy 71 and NE Hwy 2.
In alkaline draw and adjacent slopes of clay soils. 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: flowering & fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 12 air mi SSW of Edgemont in drainage 1 mi S of Hay Draw.
Clay soil. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 17-17.5 air mi SW of Edgemont.
On shale soil and shale banks of drainage cut. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 16.5-17 air mi SW of Edgemontand 0.5 mi N of Forest Road 7078.
On rock outcrop of grass upland. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 23.5-24 air mi SW of Edgemont at the three state corner of Nebraska, South Dakota and Wyoming in Indian Creek.
In dry creek bottom. Phenology: flowering.

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

U.S.A., South Dakota, 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: flowering & fruiting.

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

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

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 18 air mi SSW of Edgemont.
In alkali draw of silt. Phenology: fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 18.5-19 air mi SSW of Edgemont.
Shores of reservoir. Phenology: fruiting.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 22-22.5 air miNW of Crawford and 1.5 mi W of Warbonnet Battlefield Monumen, Antelope Creek.
In creek. Phenology: fruiting.

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.
Draw and draw bank edges. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: on Forest Road 7009, 16 air mi W of Ardmore and 10 air mi SW of Edgemont.
Draw bottom and around drainage. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 35 air mi NW of Crawford.
In livestock exclosure around dry dam. 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 clay draw with silty banks. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 21-22 air mi NNW of Crawford and 1-2 mi E of Hat Creek Road on Forest Road 925.
In prairie dog town with soil ranging from sand, silt to clay. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 24 air mi NW of Crawford and 0.5 mi NW of Hat Creek Road on Hat Creek.
Dry creek bottom of heavy clay soils. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 9 air mi SE of Ardmore, South Dakota and ca 1-1.5 air mi due S of South Dakota.
In Nassellus viridula plant community on gentle rolling uplands of silt soil. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 18 air mi SE of Ardmore, South Dakota and at southeast corner of junction of Neb Hwy 71 and Forest Road 909.
In rolling prairie uplands of silt soil. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 2-2.5 air mi SW of Edgemont in Cottonwood Creek.
Alkali soils of creek drainage. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 3.5-4 air mi SW of Edgemont in Cottonwood Creek.
Alkali soils of creek drainage. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 3.5-4 air mi SW of Edgemont.
On mesa top uplands in a Hesperostipa comata plant community, an old abandoned county road bed surface and adjacent soils are gravel and sand. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 6 air mi due S of Edgemont, 1/4 mi due E of SD Hwy 471.
In Hesperostipa comata prairie upland. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 13 air mi SSE of Edgemont and 1/2 mi E of County Road 7, just S of Crowe Dam.
In a Nassellus viridula plant community on gentle rolling prairie uplands of silt and clay soil. Phenology: flowering.

U.S.A., Colorado, Larimer County: North-central Colorado: Slough Creek 0.5-1 air mi NW of Hohnholz Lake #3.
Badlands on side of ridge and into stream bottom, seasonal. Phenology: fruiting.
Annotated by B. E. Nelson.
with Sarah Nunn

U.S.A., Colorado, Larimer County: North-central Colorado: Slough Creek 0.5-1 air mi NW of Hohnholz Lake #3.
Badlands on side of ridge and into stream bottom, seasonal. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.
with Sarah Nunn

U.S.A., Wyoming, Park County: Bighorn Basin: along State Ditch just below Wyo Hwy 120, ca 1 mi E of Big Sand Coulee, ca 5.5 air mi NE of Clark; ca 21 air mi NW of Powell.
Ditch bank and adjacent flats. Phenology: flowering & fruiting.
with Luanne Lum

U.S.A., Wyoming, Park County: Bighorn Basin: below Bog Hole Reservoir on a tributary of Spring Creek, ca 5.5 air mi NE of Pitchfork; ca 10.5 air mi W of Meeteetse.
Grassland bench above the creek with scattered sagebrush. Phenology: flowering.
with Luanne Lum

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: fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: W of Nowood River and Wyo Highway 434, ca 4.5 air mi SE of Tensleep.
Juniper and sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Disturbed riparian. Phenology: flowering.

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.
Greasewood/sagebrush in vicinity of reservoir. Phenology: 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 & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Sage Creek W of County Road 401, ca 22 air mi S of Rawlins; ca 19 air mi W of Saratoga.
Along creek; surrounded by greasewood, sagebrush, wild rose, and wild licorice. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: 1 mi NW of Weiser Knoll, ca 12 air mi SSE of Lander.
Sagebrush steppe. Phenology: flowering & fruiting.
Accession: USFS 846047, Barcode: USFS0028747

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: highland N of lower Gros Ventre drainage and S of Slate Creek, ca 4 air mi NE of Crystal Creek Campground.
Along creek. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: First Sand Creek and ridge to west, ca 7.2 air mi N of Elk Mountain townsite; ca 15.2 air mi SE of Hanna.
Dry to muddy creek bed and embankments. 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.
Sagebrush flats above the reservoir. Phenology: flowering & 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.
Bench along the stream. Phenology: flowering & fruiting.
Annotated by Rachel Newton.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Treasure Island and along North Platte River, ca 9 air mi SE of Saratoga.
Moist banks and flood plains. Phenology: flowering.

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

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Wheatland Reservoir #2, ca 36 air mi NNW of Laramie, ca 16 air mi NE of Rock River.
Dry sandy uplands. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Beaver Creek, ca 24 air mi SE of Lander.
Streamside, flood plains up to ridgetop. Phenology: flowering.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Laramie River, ca 4 air mi SW of Laramie.
Moist sandy uplands. Phenology: flowering.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Gelatt Lake, ca 15 air mi SW of Laramie.
Dry, sandy uplands. Phenology: flowering.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Twin Buttes Lake, ca 16 air mi SW of Laramie.
Sandy, rocky uplands. Phenology: flowering.

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

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

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Powder River, ca 25 air mi NE of Kaycee.
Heavily grazed horse, sheep, and cow pasture with scattered Populus. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: South Fork Crazy Woman Creek, ca 17 air mi SSE of Buffalo.
Disturbed weedy uplands. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: North Fork Powder River, ca 4 air mi NW of Kaycee.
Dry Artemisia scrub uplands. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: Camel Hump Reservoir, ca 16 mi WSW of Midwest.
Along dry, disturbed uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Middle Fork Powder River, ca 6 air mi SW of Kaycee.
Irrigation ditch in dry Artemisia and Bromus uplands. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: dried up lake, ca 16 air mi WSW of Midwest.
Dried lake bottom and surrounding uplands. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Rock Creek, ca 10 air mi NW of Buffalo.
Heavily grazed Artemisia scrub. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Wetlands and Adjacent Areas: Belle Fourche River, ca 15 air mi NNE of Wright.
Dry Artemisia scrub hillside. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Wetlands and Adjacent Areas: Little Thunder Reservoir, ca 7 air mi SE of Wright.
Dry Artemisia scrub uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Wetlands and Adjacent Areas: School Creek, ca 17 air mi E of Wright.
Dry creek bed and flood plains. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Powder River, ca 29 air mi E of Buffalo.
Dry sandy uplands. Phenology: flowering & fruiting.

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: flowering & fruiting.

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

U.S.A., Wyoming, Teton County: Wetlands and Adjacent Areas: Horsetail Creek, ca 7 air mi E of Kelly; ca 14 air mi NE of Jackson.
Dry, rocky uplands and hillside. Phenology: flowering & fruiting.

Badlands on side of ridge and into stream bottom, seasonal. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Ca 26 mi N of Lusk.
Gumbo shale soil, Pierre Formation. Locally common in a ten-mile area. Phenology: flowering.

U.S.A., Wyoming, Converse County: 8 miles north of Douglas.
Roadside ditches. Common. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Along the Big Wind River, ca 13 mi SE of Dubois.
River bottoms, sandy soil. Flowers purple. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Ca 10 mi E of Sand Draw Oil Field and 40 mi SE of Riverton.
Dry shaley soil in the desert. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Second Sand Creek, ca 7 air mi NE of Elk Mountain townsite; ca 11 air mi SW of Medicine Bow townsite.
Dry creek bottom. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Basin Reservoir N of Wyo Hwy 77, ca 25 air mi NW of Medicine Bow townsite.
Saline lake shores bordered by rabbitbrush and greasewood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: 12 mi E of Rock Springs along Wyo Hwy 430.
Clay slopes adjacent to road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along the north side of the North Fork Shoshone River, ca 1/2-2 mi W of Wapiti.
Phenology: fruiting.

U.S.A., Wyoming, Natrona County: North Platte River Valley: South Fork Casper Creek.
Sarcobatus vermiculatus stand on mixed alluvium on first terrace above stream floodplains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Bates Hole: Bates Creek, ca 0.25 mi N of crossing of Wyo Hwy 487.
Sarcobatus vermiculatus/Chrysothamnus nauseosus community with understory of Bromus inermis on terrace above floodplain on mixed alluvium. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Bates Hole: Bolton Creek, ca 3.5 air mi W of Wyo Hwy 487; ca 1.5 air mi NW of Haystack Buttes; ca 18 air mi S of Casper.
Populus angustifolia stand along narrow creek channel on mixed alluvium with understory of Elymus trachycaulus, Agrostis stolonifera, and Melilotus officinalis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Dead Horse Creek, ca 2.5 mi S of I-90 and 19 mi SW of Gillette.
Populus deltoides/Elymus lanceolatus community along channel of low-gradient, intermittent stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Along the Castle Gardens Rd.
Slopes along road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Along upper Conant Creek.
Slopes along creek. Phenology: flowering.

U.S.A., Wyoming, Converse County: Eastern Plains: East Fork of Twentymile Creek E of County Road 46.
Old growth Populus deltoides stand on terrace above stream channel; understory of Elymus smithii, Agropyron cristatum, Poa pratensis, and Artemisia cana. Phenology: fruiting.

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

U.S.A., Wyoming, Fremont County: Bridger Mountains: east end of Copper Mountain N of Point of Mountain Road; ca 16 air mi N of U.S. Hwy 20-26.
Sandy knolls dominated by Artemisia tridentata var. tridentata and Bromus tectorum. Phenology: flowering.

U.S.A., South Dakota, Meade County: Sturgis: Bear Butte.
Low flats on plains. Phenology: flowering.

U.S.A., South Dakota, Fall River County: 4 mi S of Cheyenne River.
T8S R5E S20
Frequent in Artemesia tridentata association. Phenology: fruiting.

U.S.A., South Dakota, Pennington County: S of [Inundated] Deerfield.
Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Black Hills.

U.S.A., South Dakota, Fall River County: Hwy 385, ca 1.3 mi E of Hot Springs; 43 24'35", 103 26'23".
T7S R6E S29
Seleniferous clay, short-grass prairie. Phenology: flowering.
with M. Ralphs

U.S.A., South Dakota, Harding County: West Short Pine Hills.
T17N R1E S13

U.S.A., South Dakota, Lyman County: South Lyman county.
Grassy knolls. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Cave Hills.
T21N R5E S4

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: along Ashley Creek, ca 32 air mi NE of Rock River.
Creekside. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Laramie County: Laramie Range: ca 1 air mi N of Wyo Hwy 210 on Brush Creek; ca 3.5 mi N of Crystal Lake Reservoir; ca 18 air mi NE of Laramie.
Granite outcrops and draw along creek. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., New Mexico, Colfax County: Near Springer.
Common in seleniferous soil. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: 2 mi W of Cimarron.
Highly seleniferous soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Douglas County: 3 mi W of Castle Rock.
Grassland. Phenology: fruiting.
Annotated by C. L. Porter in 1939.

U.S.A., Wyoming, Natrona County: Laramie Range: W of Little Red Creek on the southwest side of Casper Mountain, ca 10.5 air mi SW of Casper.
Upper steep slopes below red cliffs with juniper, mountain mahogany, and sagebrush. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: W of Salida.
Red canyon gulches. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: N of La Porte.
Roadsides. Phenology: flowering.
Annotated by Gerald B. Ownbey in 1939.

U.S.A., New Mexico, Colfax County: Cimarron Pass.
Barren field. Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1939.

Astragalus bisulcatus var. bisulcatus ()
U.S.A., New Mexico, San Miguel County: N of Las Vegas.
Meadow. Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1939.
with Ruth A. Nelson

U.S.A., Colorado, Elbert County: West Bijou Creek.
River bottom dominated by Populus deltoides, Salix amygdaloides. Phenology: flowering & fruiting.

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.
Steep, rocky, juniper covered slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: On dirt road east of Owl Canyon, 2 mi east of junction with Hwy 287; Campbell Valley.
T9S R69W
White shale bluffs in desert pavement dominated by mountain mahogany and squawbush. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Near Springer.

U.S.A., New Mexico, Colfax County: 2 mi S of Springer.
Also in Mora County. Phenology: fruiting.

U.S.A., Colorado, Weld County: Greeley.
Earl Lynd Johnston, 220. 6/1/1926.

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

U.S.A., Colorado, Weld County: 3 mi E of Fort Lupton on CO Hwy 52.
Low alkali flat. Phenology: flowering & fruiting.
Annotated by C. L. Porter.
with M. D. Atkins

U.S.A., Colorado, Larimer County: Fossil Creek.
Mesa. Phenology: flowering & fruiting.
Annotated by Gerald B. Ownbey in 1939.

U.S.A., Colorado, Larimer County: Fossil Creek.
Valley. Phenology: flowering.
Annotated by Gerald B. Ownbey in 1939.

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

Roadside. Phenology: flowering & fruiting.

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, 2302. 6/4/1900.

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, 2372. 7/2/1901.

U.S.A., Colorado, Bent County: Las Animas.

U.S.A., Colorado, Weld County: Windsor.

U.S.A., Colorado, Routt County: Hayden.

U.S.A., Colorado, Weld County: New Windsor: Whitney Ditch.
George E. Osterhout, 724. 6//1895.

U.S.A., Colorado, Yuma County: Wray.
3. Astragalus bisulcatus (Hook.) A. Gray
Annotated by Duane Isely.
2. Astragalus racemosus Pursh

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, s.n.. 6//1894.

U.S.A., Colorado, Weld County: New Windsor: S of river.
George E. Osterhout, s.n.. 6/11/1905.

U.S.A., Colorado, Weld County: Along railroad 5 mi SE of Keota.
Harold D. Harrington, 4034. 5/30/1948.

U.S.A., Colorado, Las Animas County: 15 mi W of Trinchera.
Harold D. Harrington, 7373. 5/30/1954.

U.S.A., Colorado, Larimer County: Virginia Dale.
Harold F. Eppson, s.n.. 6/6/1948.

U.S.A., Colorado, Weld County: 7.6 mi S of Cheyenne; S of State Line.
Harold F. Eppson, s.n.. 6/6/1948.

U.S.A., Colorado, Denver County: Denver.
Elev. 1616 m.
Prairie. Phenology: flowering & fruiting.

U.S.A., Colorado, Denver County: Denver.
Prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: north side of Bessemer Mountain, ca 13.7 air mi SW of Casper.
Shale hill arising from greasewood-sagebrush flats. Phenology: flowering.

U.S.A., Colorado, Larimer County: Fort Collins.

U.S.A., New Mexico, Union County: 55 mi E of Springer; on Clayton Road.
Also in Taos County. Phenology: fruiting.

U.S.A., New Mexico, Colfax County: French.
Leslie N. Goodding, s.n.. 6/8/1940.

U.S.A., New Mexico, Union County: 55 mi E of Springer; on Clayton Road.
Also in Taos County. Phenology: fruiting.
Leslie N. Goodding, sel89-40. 6/23/1940.

U.S.A., Colorado, Weld County:
Loam soil. Phenology: flowering & fruiting.
Annotated by Frederick J. Hermann.

U.S.A., Colorado, El Paso County: Pike National Forest: Manitou Park: Hotel Gulch.
Moist stream bank. Phenology: fruiting.
Annotated by Frederick J. Hermann.

U.S.A., Colorado, Elbert County: 2 mi N of Simla.
Plains. Phenology: fruiting.
1.
Annotated by Ivar Tidestrom in 1939.

U.S.A., Colorado, Pueblo County: Pueblo.
Mrs. Joseph Clemens, s.n.. 6/5/1909.

U.S.A., Colorado, Arapahoe County: Buckley Air Force Base: southwest end of transect 260 m N of southwest corner of the installation. 521218E 4393396N to 521723E 4392715N to 521218E 4393396N.
Shortgrass prairie on slight slope on silt-like loam; with Chrysothamnus nauseosus, Opuntia polyacantha, Yucca glauca, Bouteloua gracilis, Packera tridenticulata, Elymus elymoides, Elymus repens. Phenology: flowering.
with C. Bern

U.S.A., Colorado, Arapahoe County: Buckley Air Force Base: south end of transect 665 m NE of southwest corner of the installation. 521719E 4392814N to 521593E 4392993N.
Rolling shortgrass prairie on silt-like loam; with Chrysothamnus nauseosus, Verbascum thapsus, Heterotheca villosa, Psoralidium tenuiflorum, Artemisia ludoviciana, Tragopogon dubius, Hesperostipa comata, Bouteloua gracilis. Phenology: fruiting.
with C. Bern

U.S.A., Colorado, Pueblo County: Chico Basin Ranch: ca 3.2 road mi S of ranch headquarters.
Common on gentle slope with clay soil. Phenology: flowering.

U.S.A., Colorado, Pueblo County: Chico Basin Ranch: ca 3.5 road mi S of ranch headquarters (near old May Ranch house).

U.S.A., Colorado, Larimer County:
Plains near foothills. Phenology: fruiting.

U.S.A., New Mexico, Colfax County: Clayton Summer Range: N of Springer.
Forest. Phenology: flowering.

U.S.A., Colorado, Pueblo County: Mesas near Pueblo.
Mesas. Phenology: flowering.
with F. K. Vreeland

U.S.A., Colorado, Larimer County: Roosevelt National Forest: NE of Wellington.
Common in deep clay of prairie with Pentstemon, Opuntia, Aster, Bouteloua and Agropyron. Phenology: flowering.
Annotated by Frederick J. Hermann.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: NE of Wellington.
Common in deep clay of prairie with Pentstemon, Opuntia, Aster, Bouteloua and Agropyron. Phenology: fruiting.

U.S.A., Colorado, Weld County: Roosevelt National Forest: near Nunn.
Clay loam. Phenology: flowering & fruiting.
Annotated by Doris W. Hayes.

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

U.S.A., Colorado, Weld County: Experimental Range.
Clay soil with grama. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: 3 mi W of Rayado.
Occasional on hillside. Phenology: fruiting.

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: Webster Camp, 1 mi W of Webster Reservoir.
Common on plains. Phenology: fruiting.

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: just S of the Volunteer Training Center.
Beneath cottonwood in field. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman in 1971.

U.S.A., Colorado, Fremont County: Ca 5 mi N of Canyon City; at O. C. Marsh 1877 Dinosaur Quarry.
In Morrison Formation with scattered juniper. Phenology: flowering.
with J. Anderson

U.S.A., New Mexico, San Miguel County: Arroyo Peco: Las Vegas.

Astragalus bisulcatus var. bisulcatus ()
U.S.A., New Mexico, San Miguel County: Las Vegas.
T. D. A. Cockerell, s.n.. //.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: North Platte River at Bessemer Bend, ca 11.6 air mi SW from Casper.
Disturbed edges of river; saline conditions. Phenology: flowering.

U.S.A., Colorado, Larimer County: Fort Collins: near railroad.

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

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

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: Waters Flat along East Camas Creek, ca 26 air mi NE of Dubois.
T13N R38E S1
Willow thickets in creek bottom.
with Michelle Nelson
Accession: (unaccessioned)

U.S.A., Idaho, Clark County: Targhee National Forest: Beaverhead Range: Warm Springs just N of entrance to National Forest, ca 22 air mi NW of Dubois.
Riparian dominated by Salix, Rosa, and Ribes.
Accession: (unaccessioned)

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., Wyoming, Carbon County: South-central Wyoming: Muddy Mountain, ca 8.5 air mi NE of Baggs; ca 47 air mi SSW of Rawlins.
Rocky, clay slopes with Artemisia, Cercocarpus, and Symphoricarpos. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: along McCarty Canyon or County Road 503, ca 0.5 mi ENE of the northeast Ketchum Butte, ca 21 air mi NE of Baggs; ca 34 air mi SSW of Rawlins.
Sagebrush knoll. Phenology: flowering.

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

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

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.
Sagebrush flat above draw. 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.
Flat above rim. 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.
Flat above rim. 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.
Dry slope. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Canyon Creek E of Kortes or County Road 291, ca 11.2 air mi S of Alcova townsite.
Creek banks and adjacent wet meadow; grazing disturbance. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Poison Spring Creek at Oregon Trail or County Road 319, ca 11.5 air mi N of Alcova townsite.
Sandy roadside. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: at the base of Pappapau Butte along the Grey Bull River, ca 10.3 air mi SW of Meeteetse.
Flats. Phenology: fruiting.

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

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 bottom. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 3.5 mi NE of Clarks Fork Canyon off Wyo Hwy 292, ca 25.5 air mi NNW of Cody.
Ridge of intermixed clay, shale, sandstone, and limestone conglomerate. Phenology: fruiting.
with Erik Nelson

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

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: ca 1.8 mi SE of Guernsey near Register Cliff along the North Platte River.
In clay in the river bottom with Xanthium and Melilotus. Occasional.
with Paul Ehrmann

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Fish Creek/Moccasin Basin area, Buck Creek Valley, ca 34 air mi ENE of Jackson.
Sagebrush knolls and semibarren clay flats. Phenology: fruiting.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Fish Creek/Moccasin Basin area, Upper Hackamore Creek ca 1 air mi E of Buckskin Point, ca 1-1.5 air mi E of South Fork Fish Creek, ca 33.5 air mi ENE of Jacksom.
Clay slope. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: between Rattlesnake Gulch and Missouri Flats Road, ca 5 air mi NW of Thermopolis.
Among sagebrush on banks of wash.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Cottonwood Creek, ca 6 air mi W of Hamilton Dome, ca 25 air mi WNW of Thermopolis.
Mainly volcanic cobblestones on bluffs along the stream.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 22 air mi N of Linch, ca 28.5 air mi NE of Kaycee, above the Powder River on the Iragaray Ranch.
Clay slope in upland grassland with Poa sandbergii and Lappula redowskii. Phenology: flowering.

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

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Six Mile Reservoir and vicinity, ca 9 air mi SW of Manderson; ca 15 air mi S of Basin.
Clay soil in small sagebrush draws in the badlands.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Renner Reservoir, ca 8 air mi SE of Hyattville, ca 10 air mi NNW of Tensleep.
Flats. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along Spring Creek, ca 2 air mi W of Meeteetse.
with Ronald L. Hartman

U.S.A., Wyoming, Park County: Bighorn Basin: near the head of Spring Creek, ca 6 air mi S of Cody.
Creek bottom and moist draw bottoms. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Wind River Basin: 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 Ronald L. Hartman

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Beside Old Sundance Road in grassland.

U.S.A., Wyoming, Crook County: Black Hills: between Goldie Road and Elkhorn Creek, ca 6 air mi WNW of Seely.
Pine forest on sandstone ridge.

U.S.A., Wyoming, Crook County: Black Hills: between Goldie Road and Elkhorn Creek, ca 6 air mi WNW of Seely.
Sagebrush-grassland.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Disturbed soil around reservoir in grassland.

U.S.A., Wyoming, Crook County: Black Hills: Cabin Creek SSW of Cedar Hill; ca 8.5 air mi WSW of Devils Tower.
Big sagebrush-grassland with occasional junipers, on Skull Creek shale.

U.S.A., Wyoming, Fremont County: Sweetwater Rocks: ca 3.5 air mi NNE of Jeffrey City.
Elymus-sagebrush grassland. Phenology: flowering.
with Georgia Haines and Nora Little

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

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).
Sagebrush slopes E of creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: Sweetwater River, ca 3 air mi NE of Jeffrey City.
Greasewood area adjacent to meadow north of river. Phenology: flowering & fruiting.

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

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.
with Georgia Haines

U.S.A., Wyoming, Sweetwater County: Rock Springs Uplift: north side of Steamboat Mountain.
Lower slopes of mesa with sagebrush on clay-loam. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 25 air mi SE of Reno Junction.
Scoria hills with steep slopes, sagebrush on summit and along drainage; near drainage. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Junction of Buckman Road and Natrona County Road 114, ca 29 air mi NW of Casper.
Roadside ditch on broad, shaley ridge. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: near Soda Wells; ca 2 road mi E of Weston.
Roadside. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 4 air mi SW of Rockypoint.
Flats along small stream; sagebrush flats. Phenology: flowering.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Grazed sagebrush plains, rocky slopes, railroad right-of-way; sandy slope, right-of-way along railroad. Phenology: flowering.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Roadcut, plains along highway right-of-way; plains. Phenology: flowering.

Rocky slopes, stream margins, ponderosa pine woodland, juniper slopes; plains. Phenology: flowering.

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

Plains, creek, and roadside; plains. Phenology: flowering.

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

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

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

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

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

Flats near creek; flats. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 8 air mi SE of Horse Creek Butte.
Eroded slope, bare flaky soil; bare slope. Phenology: fruiting.
with Mary Alice Sanguinetti

Plains along road; right-of-way. Phenology: fruiting.
with Mary Alice Sanguinetti

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

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

Plains, draw, eroded slopes; ravine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 8 air mi S of Spotted Horse.
Eroded slopes, clinker outcrops, old roadbed; slopes. Phenology: flowering & fruiting.

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

Flats along creek and highway right-of-way; ditch. Phenology: flowering & fruiting.

Plains, flats, along draw; flats. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 24 air mi SW of Gillette.
Plains, eroded slopes, draw; plains. Phenology: flowering & fruiting.

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

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

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

Plains and flats along Nut creek, eroded slopes, sandy roadcuts; flats. Phenology: fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Hills, sandstone outcrops, flats along creek, dry creek bed; slopes. Phenology: flowering & fruiting.

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

Rocky hills, plains, holding pond, wet mud along creek beds, flats, moist grassy ditches; flats. Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Hillside, along road right-of-way. Phenology: flowering & fruiting.

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

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

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; slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Powder River Basin: ca 8 air mi N of Leiter.
Rolling sagebrush plain, shallow draws; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: along Thirtythree Mile Road, ca 1 mi S of South Fork Powder River.
On sagebrush plains. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: [location and coordinates withheld]
In shallow draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: [location and coordinates withheld]
Sagebrush grassland on clay plains. Phenology: fruiting.

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

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

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

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 17 air mi SE of Buffalo.
Sandy plains. Phenology: 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; plains. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: along Middle Casper Creek, ca 3.5 air mi SE of Powder River.
Greasewood/saltbush flats along creek. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Sagebrush plain, saltbush flats, margins of Soda lake; flats. Phenology: fruiting.

Stoney hills with Cercocarpus ledifolius, rolling plains below, occasional intermittent streams; hills. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 21 air mi ESE of Buffalo.
Sagebrush plain, deeply cut ravine with shaley slopes, occasional coal faces; plains. Phenology: fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 16 air mi SW of Meeteetse, upper end of the North Fork of Dick Creek, ca 5 mi from the Wood River.
Sagebrush grasslands with scattered Potentilla fruticosa; dry areas. Phenology: flowering.
Robert S. Kirkpatrick, 3206. 6/29/1984.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 7 air mi NNE of Dubois, south side of Spring Mountain.
Dry meadows (grasslands). Phenology: flowering.
Robert S. Kirkpatrick, 4000b. 7/15/1984.

U.S.A., Wyoming, Natrona County: Big Horn Mountains: First Water Creek, ca 14 air mi NNE of Arminto.
Dry creek bed and road crossing. Phenology: flowering & fruiting.

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

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

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.
with John Hamann

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: Granite Mountains: Lankin Gap between Lankin Dome and McIntosh Peak, ca 3 air mi NW of Split Rock.
Sagebrush-grassland; sandy. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wind River Basin: ca 10 air mi SW of Casper.
Frontier Formation, sandy soil with sagebrush and rabbit brush. Phenology: flowering.
with Greg Brown

U.S.A., Wyoming, Natrona County: Wind River Basin: ca 14 air mi SW of Casper.
Cody shale (selenium species) and Frontier Formation (sandy soil species), with sagebrush and rabbit brush. Phenology: flowering.
with Greg Brown

U.S.A., Wyoming, Albany County: Laramie Plains: ca 8.5 air mi N of Rock River; Marshall Road (Albany Co. 610), 2.2 road mi N of U.S. Hwy 287.
Seleniferous bearing soils along road. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Chicken Creek Divide, 2.5 mi N of Spotted Horse.
Ridge, slopes, badly eroded valleys, and plains; ridge. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: White Tail Butte and ravines to the west and south.
Flats, ravines, steep eroded slopes, and butte; slope. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi SE of Gillette.
Hill with grassy ridge and steep slopes, eroded slopes, and roadside; plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 7 air mi ESE of Gillette.
Stream with adjacent eroded hills and plains; plains. Phenology: flowering.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 19 air mi NNE of Gillette.
Low eroded slopes and drainage. Phenology: flowering & fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11.5 air mi NNE of Weston.
Moist drainage with standing water. Phenology: flowering.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 12 air mi NE of Weston.
Ponderosa topped hills and flats below. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi WNW of Rockypoint.
Elev. 3800
Eroded hills with ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: Eighty-five Divide, ca 11 air mi W of Rockypoint.
Hills with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 9 air mi SW of Gillette.
Low hills with drainage and large shallow pond on flat. Phenology: flowering.

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

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 1 road mi W of Turnercrest.
Roadsides and grasslands. Astragalus bisulcatus fruit infected by Thecaphora deformans. Leaf spot = Polystigma astragali (Lasch) Hoehn and seed smut = Thecaphora deformans Dur & Mont. Determined by John A Fernandez. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 1 road mi W of Turnercrest.
Roadsides and grasslands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Wyo Hwy 387, ca 3.5 road mi E of Johnson County.
Sandstone outcrop along highway. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Powder River Basin: Wyo Hwy 387, ca 7 road mi W of Campbell County.
Low hills. Phenology: fruiting.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: beaver pond adjacent to ford of Cottonwood Creek, ca 25 air mi E of Jackson.
Wet, open margins of pond. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: Burnt Wagon Draw, ca 6.5 air mi S of Poison Spider or County Road 210; ca 31.2 air mi SW of Casper.
Willow thicket and marsh surrounding drainage. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: drainage leading to Middle Fork Casper Creek along Bucknum or County Road 125, ca 18.5 air mi NW of Casper.
Rolling plains of budsage or Gardner saltbush. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Beck, North Natrona, or County Road 126, ca 2.7-3.3 air mi N of Natrona; ca 29 air mi NW of Casper.
Clay soil in broad drainage channel. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Rolling plains of sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Walker Creek just N of Manning or County Road 53, ca 20 air mi NE of Douglas.
Floodplain meadows and sparsely wooded stream banks. Phenology: fruiting.

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

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Dry Creek ca 0.5 mi above and N of Lightning Creek, ca 0.5 air mi W of Niobrara County on Walker Creek or County Road 43, ca 29.5 air mi NE of Douglas.
Sagebrush-greasewood flats above the creek. Phenology: fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Deep Creek on Field or County Road 50 SE of Cow Creek Buttes, ca 17 air mi NW of Lance Creek, ca 30.5 air mi NW of Lusk.
43.21° N, 104.8908° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!
Sand bars, flats, and low benches along stream channel. Phenology: fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sandy flats along the river with scattered trees. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Stone Cabin Creek crossing Poison Spider or County Road 201, ca 38 air mi NW of Alcova townsite.
Sagebrush-grassland with occasional greasewood; selenium indicators present. Phenology: flowering.

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

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cow Creek and the north end of Cow Creek Buttes, ca 15 air mi ENE of Bill; ca 43 air mi NE of Douglas.
Low benches and old stream bars. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: on the divide between Archie Draw, Coal Draw and Middle Creek just W of Cow Creek Buttes, ca 14 air mi ENE of Bill; ca 40.5 air mi NE of Douglas.
Sagebrush-cactus clay badlands near a stock pond. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Lake Creek and the buttes to the SE ca 6 air mi SW of Dull Center; ca 45.5 air mi NNE of Douglas.
Badlands of interspersed clays, shale, sandstone, coal beds, and mudstones with patches of greasewood or sagebrush. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Pine Ridge between the head of Cottonwood Creek and Gillam Draw, ca 61 air mi NW of Douglas, ca 10.5 air mi SW of Ross.
Slopes and draws in sagebrush-grassland or badland slopes with scattered ponderosa pine. Phenology: flowering & fruiting.

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: fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Salt Creek between Pine and Little Pine ridges ca 2 air mi E of Naval Petroleum Reserve No. 3, ca 12 air mi SE of Midwest; ca 29.5 air mi NNE of Casper.
Flats along the stream bottom with areas of sand, silt and clay. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: E of County Road 211, ca 1.2 air mi N of McClanahan Draw; ca 5.4 road mi to Poison Spider or County Road 201.
Badlands; hard clay soil interspersed with sandy areas of sagebrush-grassland. Phenology: flowering.

Sandy plains and road cut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1.5 mi E of Arminto.
Sandy slopes. Phenology: flowering & fruiting.
with T. W. Nelson

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

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Disturbed areas along railroad. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Platte River Parkway, ca 0.3 air mi N of Wyo Hwy 220; ca 1 air mi S of Mills.
Thickets along river and adjacent gravelly areas; canary grass common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland on red shale soil. Phenology: flowering & fruiting.

Beside Old Sundance Road in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: between Goldie Road and Elkhorn Creek, ca 6 air mi WNW of Seely.
Pine forest on sandstone ridge. Phenology: flowering & fruiting.

Sagebrush-grassland. Phenology: flowering & fruiting.

Disturbed soil around reservoir in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills, Inyan Kara Creek E of HK Divide, ca 15 air mi W of Sundance.
Grassland. Phenology: flowering & fruiting.

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 along road.

U.S.A., Wyoming, Crook County: Black Hills: Spring Creek just N of Wyo Hwy 116 and S of Pfeiffer Hill; ca 10 air mi SSW of Sundance.
Grassland along road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Cabin Creek SSW of Cedar Hill; ca 8.5 air mi WSW of Devils Tower.
Big sagebrush-grassland with scattered rocky mountain juniper, on Skull Creek shale. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Powder River Basin: along Cheyenne River; ca 6 air mi SE of Rochelle.
Floodplain, greasewood flats; flats. Phenology: flowering & fruiting.
with Ronald L. Hartman and Mary Alice Sanguinetti.

Sagebrush plains, shallow drainageways, gravel roadside and wet ditch; plains. Phenology: fruiting.

Sagebrush plains, shallow drainageways, gravel roadside and wet ditch; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Flats near stream, roadside; flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Powder River Basin: along Little Missouri River, ca 7 air mi N of Oshoto.
Flats and floodplain along river; flats. Phenology: fruiting.

Greasewood flats along creek. Phenology: flowering & fruiting.

Draw. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: ca 7 air mi N of Hulett.
Oak woodlands, sandstone rimrock and sandy lower slopes, prairies, and shaded ravines; sandy slopes. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Powder River Basin: just E of U.S. Hwy 14 on Old Sundance Road, 4 air mi NE of Moorcroft.
Rolling sagebrush hills and moist drainages; sagebrush slopes. Phenology: fruiting.

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

U.S.A., Wyoming, Weston County: Powder River Basin: just N of Cheyenne River, ca 7 air mi SSE of Rochelle.
Hills. Phenology: flowering.

U.S.A., Wyoming, Crook County: Sundance.

U.S.A., Wyoming, Crook County: 8 mi NW of Hulett.
Open, grassy draw. Soil gumbo. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Devils Tower National Monument, wide draw W of Red Beds Trail below (before) switchbacks.
One plant in grassland. Ca 20 in tall, multibranched from base. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Newcastle.

U.S.A., Wyoming, Crook County: Ewing.
Stanton Seig, 5. //1925.

U.S.A., Colorado, Huerfano County: [location and coordinates withheld]
Sandy soil with pinyon-juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Exit 77 of I-90.
Sage grass with Melilotus and Agropyron. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: Ca 3 mi NE of Ft. Reno.
Grassland, with Psoralidium, Elymus. Bushy with many stems. Phenology: fruiting.

U.S.A., Montana, Carbon County: Bighorn Basin: hill complex between Bridger and South Fork Bridger creeks off the Sage Creek Road, ca 7 air mi SE of Bridger.
Rocky clay slopes, badlands, and hogbacks of Morrison formation with Elymus spicatus, sagebrush, scattered limber pine and juniper. Phenology: fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 3 mi E of Timpas on County Road N. Northmost edge of grassland.
Disturbed roadside. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: Plum Creek, 8.5 air mi W of Kim.
Rolling grasslands with stockponds. Phenology: flowering.
Annotated by Ronald L. Hartman.
with Bernadette Kuhn, Laura E. Lukas

U.S.A., Colorado, Otero County: Comanche National Grassland: at Sierra Vista Scenic Overlook, ca 13.5 air mi SW of La Junta.
Ungrazed prairie with shale outcrops, dominated by Artemisia and Stipa. Phenology: flowering.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Otero County: Comanche National Grassland: David Canyon Road at drainage to Vogel Canyon, ca 15 air mi S of La Junta.
Limestone outcrops with Mentzelia, Stipa, and Opuntia. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Along base of mesa, dominated by Pinus edulis, Juniperus monosperma, and Juniperus scopulorum. Phenology: fruiting.
with Cali Hemenway

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along east side of I-25, 1/4-3/4 air mi SW of where I-25 crosses the Vermejo River.
Shortgrass prairie dominated by Bouteloua dactyloides, Hilaria jamesii, and other grasses; area along fenceline was recently disturbed. Flowers purple; stems spreading-erect, forming large clumps; local in small blowout. Photographed. Phenology: flowering & fruiting.
Annotated by Ben Legler on 3/19/2008.
with Neil Snow

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along banks of Vermejo River immediately downstream from (SE of) I-25.
Sandy river bottom dominated by recently killed Salix (Tamarix control), with Glycyrrhiza lepidota, Helianthus annuus, Juncus balticus. Flowers purple; stems in clumps.
Annotated by Ben Legler on 3/19/2008.
with Neil Snow

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: southwest shore of No. 2 Lake, 7.5 air mi E of Cimarron.
Man-made lake with marshy shore dominated by grasses, gently grading into dry flats of Opuntia cylindrica, O. phaeacantha and short-grass prairie. Frequent on edge of marshy strip. Photographed. Phenology: flowering & fruiting.
Annotated by Ben Legler on 3/19/2008.
with Neil Snow

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Bates Creek Reservoir, ca 3 air mi E of County Road 402; ca 13.3 air mi N of Shirley Basin townsite.
Wet meadows and edges of reservoir dominated by graminoids; Potentilla anserina common; disturbed. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: flats on northeast side of French Lake; 1.4 air mi E of Cimarron.
Open rolling prairie with Chrysothamnus naseosus, Astragalus bisulcatus, Grindelia squarrosa. Flowers pale lavender, pendant; stems in clumps; occasional among Chrysothamnus. Specimen GPS: 36.510704, -104.889648. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: on north side of Dry Arroyo 2.1 air mi NW of French Corners and 0.8 air mi W of I-25.
Dry watering pond with dry muddy bottom, ringed by Helianthus annuus, Glycyrrhiza lepidota, Astragalus bisulcatus. Flowers light reddish-purple; stems in low clumps; locally abundant. Specimen GPS: 36.479385, -104.601776. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: prairie 1/2 air mi S of the Vermejo River and 2.0 air mi W of I-25; 3.8 air mi SW of Maxwell.
Flat shortgrass prairie around prairie dog colony; silty soil; mostly unvegetated, with scattered patches of Salvia reflexa, Glandularia bipinnatifida, and Picradeniopsis oppositifolia. Flowers pink, pendant; stems spreading-erect, in clumps; common. Specimen GPS: 36.503983, -104.604706. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: ca 1/4-3/4 air mi N of Clarks Fork Yellowstone River, ca 26.5 air mi NNW of Cody.
Dry sagebrush on redbeds and soil derived from them. Phenology: flowering & fruiting.
Accession: USFS 861821, Barcode: USFS0042195

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 650, ca 4.5 road mi W of Exit 64 of I-25.
Oak meadows. Phenology: flowering.

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

U.S.A., Wyoming, Park County: Beartooth Mountains: Line Creek just S of Montana.
Stream margin, rocky slopes and ridges, redbeds. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains: Twin Buttes Lake and Lake Hattie Canal, ca 14 mi W of Laramie; ca 15 mi E of Centennial.
In and around canal. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Rattlesnake Creek area, N of County Road 400 (Rattlesnake Road), ca 3 air mi SE of I-80 exit 238 (Peterson Ranch) and ca 18 air mi NNE of Saratoga.
Sagebrush hills with several gullies, sandy, abundant bare ground. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Hanna Basin: just S of I-80 and along the northeast end of Halleck Ridge, ca 12 air mi WNW of exit 255 (Elk Mountain/Hanna) and ca 1.5 air mi SW of Quealy Gap.
Creek in sagebrush hills, near salt flats. Phenology: flowering & fruiting.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Red Creek Springs Road West, ca 11 air mi SW of Pueblo (city center).
Grasslands with juniper.
Annotated by Brian Elliott.
with Brian Elliott

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 389 at New Mexico line to ca 0.5 mi NNE.
Grasslands with pinyon pine and juniper. Phenology: flowering.
Annotated by Brian Elliott.
with Brian Elliott

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: southeast end of Wet Mountains N of County Road 616.
Hills and ridges, grassland below, pinyon pine and juniper above. Phenology: flowering & fruiting.
with Brian Elliott

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: I-25 just N of Scroggs Arroyo.
Grassland and pinyon-juniper. Phenology: flowering & fruiting.

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

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.
1. Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus .
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.
1. Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus .
with Matt Voigt

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

U.S.A., Montana, Teton County: Lewis and Clark National Forest: Front Range: saddle between low ridges, ca 0.5 mi S of Ear Mountain Trailhead.
Ephemeral pond between ridges; 0-5% slope; all aspects. Phenology: flowering.
with Addy Wycgans

U.S.A., Montana, Judith Basin County: Little Belt Mountains: County Road 107 (Yogo Road), E of Judith River Wildlife Management Area headquarters.
Open meadow, dry creek bottom running east to west; 0-5% slope. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Goldeneye Wildlife and Recreation Area: Burlington Lake, N of U.S. Hwy 20-26, ca 22 road mi to Casper.
Greasewood-sagebrush flats; alkaline lake shores. Phenology: fruiting.

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

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: on Exie Road (Forest Road 3119), above and along North Tie Creek, ca 10 air mi WNW of Camp Crook, SD.
Barren clay slopes with patches of vegetation and outwash flats below. Phenology: flowering.
with Hans Hallman

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: just S of SD Hwy 20 at Reva Gap and in The Castles, ca 18.5 air mi E of Buffalo.
Badlands with grassy patches and strips. Phenology: flowering & fruiting.
with Hans Hallman

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: ca 1 air mi W of SD Hwy 79 on JB Road (Forest Road 115) above Rabbit Creek at southwest end of Square Top Butte, ca 22 air mi SE of Buffalo.
Badland cliffs and slopes with grassy patches, strips, and meadows. Phenology: flowering.
with Hans Hallman

U.S.A., Montana, Carter County: Along North Butte Creek between Hamilton Creek and Little Missouri River on the south side of Mont Hwy 323, ca 2 air mi NW of Albion; ca 13.5 air mi N of Alzada.
Dry stream bed and adjacent steep banks and bench with green ash and occasional boxelder and snowberry thickets. Phenology: fruiting.

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

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: in Schleichart Draw, just N of Forest Road 3120, ca 0.5 air mi W of Schleichart Draw Reservoir, ca 5.5 air mi W of Ludlow.
Sandy slope above hardwood draw. Phenology: flowering & fruiting.

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

U.S.A., South Dakota, Harding County: Custer National Forest: East Short Pine Hills: along Forest Road 3111 ca 1 air mi NE of Moreau Peak, ca 19 air mi SE of Camp Crook.
Grass-dominated grazing land interspersed with chokecherry and green ash thickets. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: around Aspen Spring, ca 0.5 air mi S of Red Hill and ca 4.5 air mi E of Ekalaka.
Ponderosa pine and green ash-dominated draw. Phenology: flowering & fruiting.

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

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in the vicinity of Rimrock Spring, ca 1 air mi S of Forest Road 3151, ca 7.5 air mi SE of Summit Pass on SD Hwy 79 and ca 31 air mi SE of Buffalo.
Mixed grass and badlands. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in the vicinity of Willard Gap off of Rimrock Trail or Forest Road 3150, ca 3 air mi ESE of Summit Pass on SD Hwy 79 and ca 26.5 air mi SE of Buffalo.
Mixed grass and badlands. Phenology: fruiting.

U.S.A., Montana, Carter County: Near the head of South Creek in the vicinity of unnamed reservoir on a tributary of North Fork Corral Creek, S of Ridge Road, ca 13 air mi WNW of its junction with Mont Hwy 323, and ca 23 air mi SSW of Ekalaka.
Grass and Melilotus-dominated grazing land. Phenology: fruiting.

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

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: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: just WNW of Riley Pass, among uranium mine tailings, ca 18 air mi NNE of Buffalo.
Disturbed clayey substrate amongst mine tailings. Phenology: flowering.

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

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.
Grass and sagebrush-dominated grazed prairie with scattered, wet cattle wallows. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0050268

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: flowering & fruiting.

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., Montana, Valley County: On Little Beaver Road just inside BLM boundary, ca 1 air mi NE of January Reservoir, ca 8.5 air mi SW of Glasgow.
Rolling grassland-forbs on clay soil with gullies and drainages. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: BLM Recreation Area between Bentonite Road and Brazil Creek, ca 11 air mi WSW of Glasgow.
Meadow around reservoir. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: Above Hardpan Coulee on Bluff Creek Road, ca 3 air mi S of Saskatchewan, ca 40 air mi N of Hinsdale; ca 57 air mi NNW of Glasgow.
Clay flat. Phenology: flowering.

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

U.S.A., Montana, Phillips County: Along Harb Road at an unnamed coulee, ca 23 air mi SSW of Saco; ca 25 air mi ESE of Malta.
In and along an old road in sandy clay. Phenology: fruiting.

U.S.A., Montana, Phillips County: Larb Hills (South): at the head of Telegraph Creek, ca 47 air mi S of Saco; ca 44 air mi SSE of Malta.
Grassy slopes and ravines. Phenology: fruiting.

U.S.A., Montana, Phillips County: Larb Hills (South): near the head of South Fork Shotgun Coulee ca 1 air mi N of Coal Mine Hill, ca 44-45 air mi S of Saco; ca 40 air mi SSE of Malta.
Grassy slopes with exposed clay patches, rocky knolls, and swales. Phenology: fruiting.

U.S.A., Montana, Phillips County: Upper end of Peck Coulee ca 4 air mi S of Saskatchewan and ca 3 air mi E of Frenchman Creek, ca 51 air mi NNE of Malta.
Grassland with scattered silver sagebrush. Phenology: fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: N of Walsenburg on I-25 at Exit 64 on interstate right-of-way.
Grassland. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: On Larb Creek Road, ca 3 air mi N of Dead Mans Hill, ca 18.5 air mi SSW of Hinsdale.
Grasslands with mostly loamy to sandy soil, occasional clay soil. Phenology: fruiting.
Joseph L. M. Charboneau, 225. 6/21/2010.

U.S.A., Montana, Valley County: Bitter Creek Wilderness Study Area: on Britsch Road at turnoff for unnamed trail, ca 3 air mi NW of Forsman Reservoir, ca 21.5 air mi NE of Hinsdale.
Grasslands with occasional sagebrush on clay soil. Phenology: flowering.
Joseph L. M. Charboneau, 330. 6/23/2010.

U.S.A., Montana, Valley County: On Ridge Road, on ridge above Tony Coulee, ca 2.5 air mi SW of Finn Reservoir, ca 36 air mi SW of Glasgow.
Sandy sagebrush-grasslands. Phenology: flowering.
Joseph L. M. Charboneau, 431. 6/24/2010.

U.S.A., Montana, Phillips County: On Black Coulee Road, in Coburg Coulee and ridge to the W, ca 4 air mi WSW of Haystack Butte, ca 12 air mi SE of Turner; ca 31 air mi NW of Malta.
Sagebrush-grasslands on clay soil on hillsides with gullies. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Matador Ranch: on Dry Fork Road, on top of Dry Fork Ridge, ca 2.5 air mi N of Wrangler Reservoir, ca 16.5 air mi ESE of Zortman.
Sagebrush-grasslands on rolling hills with clay soil. Phenology: flowering.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Pinyon-juniper with Quercus. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: E of Ridge Road around Craig Reservoir, ca 2.5 air mi W of Clover Reservoir, ca 32 air mi WSW of Glasgow.
Grasslands with sagebrush on clay soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: E of Skyview Ridge Road, ca 2.5 air mi E of Horace Reservoir, ca 21.5 air mi NNW of Glasgow.
Sagebrush-grasslands on clay soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: Wapati Reservoir, S of BLM Road 1143, ca 3.5 air mi W of Indian Lake, ca 43 air mi S of Malta.
Sagebrush-grasslands on stony clay soil. Phenology: fruiting.

U.S.A., Montana, Valley County: Unnamed reservoir in Hard Pan Creek, N of Stone House Road, ca 2 air mi NE of Halfpint Reservoir, ca 30 air mi SW of Glasgow.
Semi-barren clay areas. Phenology: flowering.

U.S.A., Montana, Valley County: Conehead Reservoir on South Creek, N of Thoeny Road, ca 3.5 air mi NE of Last Chance Reservoir, ca 15 air mi WNW of Opheim.
Disturbed areas. Phenology: flowering.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on Colo Hwy 47 at junction of Baculite Mesa Road, ca 1 mi E of the University of Southern Colorado; northeastern edge of Pueblo.
Atriplex confertifolia-Buchloe dactyloides landscape. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: base of YMCA Mountain on Temple Canyon Road, ca 2 air mi SW of Canon City.
Pinyon-juniper. Phenology: flowering.
with Elizabeth Mark

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: base of YMCA Mountain on Temple Canyon Road, ca 2 air mi SW of Canon City.
Pinyon-juniper. Phenology: fruiting.
with Elizabeth Mark

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 1.5 mi W of Badito Cone, ca 6 air mi E of Gardner.
Pinyon-juniper. Phenology: flowering & fruiting.
with Elizabeth Mark and Kenneth Elliott

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 & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: radio tower ridge S of I-80, ca 1.4 air mi S of Rawlins.
Barren ridge top and north facing sandstone draw with scattered shrubs. Phenology: flowering.

U.S.A., Montana, Phillips County: Along Black Coulee Road near the head of Coburg Coulee, ca 20 air mi N of Dodson; ca 29 air mi NW of Malta.
Shallow slopes between barren clay buttes with selenite and selenite-bearing ridge, with areas of cobblestones and shallow drainage channels. Phenology: flowering.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: along Bull Creek Road just W of the boundary, ca 3.5 air mi WNW of DY Junction, ca 54 air mi SW of Malta.
Sagebrush-grassland on dark clay soil. Phenology: flowering.

U.S.A., Montana, Valley County: In Barber Coulee just S of Willow Creek Road, ca 36 air mi SW of Glasgow.
Bottom of the draw and adjacent slopes. Phenology: flowering.

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

U.S.A., Montana, Phillips County: Along Stage Road (Mont Hwy 204) ca 1/2-3/4 mi N of Wild Horse Creek, ca 16 air mi S of Dodson; ca 23 air mi SW of Malta.
Badlands with gravel to cobblestone size rocks, with drainage channels, bentonite boils, grassy patches, and grassland on the flats above. Phenology: flowering.

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

U.S.A., Montana, Phillips County: E of Content Road, E of Sun Prairie Flats, ca 5 air mi WSW of Buckley Lake, ca 42 air mi E of Zortman; ca 33 air mi SSE of Malta.
Sagebrush-grasslands on stony clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Hills W of Camp Creek, N of Dry Fork Road, ca 2.5 air mi NNE of Big Sage Reservoir, ca 9 air mi SE of Zortman; ca 48 air mi SSW of Malta.
Big sagebrush-grasslands on clay soil. Phenology: flowering.

U.S.A., Montana, Valley County: Windy Ridge and Papoose Creek, ca 1 air mi SSW of Erie Reservoir, ca 15 air mi N of Hinsdale; ca 36 air mi NW of Glasgow.
Grassland hillsides on loamy soil. Phenology: flowering.

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: flowering & fruiting.
with Mark Majerus, Michael Dolan, Noorjahan Parwana, and Katie Butts

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: Reynolds Hill, ca 2 air mi N of Fourchette Creek Recreation Area, ca 44 air mi ESE of Zortman; ca 38 air mi SSE of Malta.
Sagebrush-greasewood steppe on silty clay. Phenology: flowering & fruiting.

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.
Badlands clay slopes. Phenology: flowering.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: CK Ridge, W of Refuge Road 206, ca 10 air mi ESE of Taint Reservoir, ca 24 air mi SE of Zortman; ca 52 air mi SSW of Malta.
Sagebrush-grasslands with occasional juniper on flats above the breaks on clay soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Ridge E of Spring Creek, W of CK Ridge Road, ca 2.5 air mi E of Blizzard Reservoir, ca 18 air mi SE of Zortman; ca 48 air mi SSW of Malta.
Sagebrush-grasslands on rolling hills of clay to loamy soil with swales and areas of stony silty hardpans. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Larb Hills (North): N of Cottonwood Creek, ca 4 air mi S of Bauer Reservoir, ca 13 air mi SW of Saco; ca 17.5 air mi ESE of Malta.
Silver sagebrush-grasslands on loamy soil on rolling hills with swales. Phenology: flowering & 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: flowering.

U.S.A., Montana, Valley County: Kaminsky Hill and area to the N, ca 3.5 air mi N of the West Fork Poplar River, ca 12.5 air mi NE of Opheim; ca 57 air mi NNE of Glasgow.
Grasslands with shrubby cinquefoil and moist depressions on loamy soil. Phenology: fruiting.
with Josh Lamp

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

U.S.A., Montana, Phillips County: Cottonwood Creek at confluence with Black Coulee, ca 9.5 air mi SW of Horseshoe Lake, ca 15 air mi WSW of Loring; ca 30.5 air mi NNW of Malta.
Saltbush and greasewood on silty flats with alkaline seeps and badlands clay slopes. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: N of Refuge Road 108, ca 6.5 air mi ENE of Willow Flat Reservoir, ca 6 air mi WSW of Fort Peck; ca 15 air mi SSE of Glasgow.
Big sagebrush steppe on badlands clay hills with large patches of yellow sweetclover. Phenology: fruiting.

U.S.A., Montana, Valley County: Opheim Hills: Slaughter Coulee, ca 6.5 air mi NNE of Pikes Peak, ca 6.5 air mi WNW of Opheim; ca 48 air mi NNE of Glasgow.
Grasslands on loamy to sandy hills with occasional silver sagebrush and creeping juniper. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Tomato Can Creek, along Fossum Road, ca 4 air mi S of Saskatchewan, ca 19 air mi WNW of Opheim; ca 53 air mi NNW of Glasgow.
Grasslands with occasional silver sagebrush on loamy soil. Phenology: flowering & 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: flowering & 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: flowering & fruiting.

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: 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, Valley County: Charles M. Russell National Wildlife Refuge: Cut Throat Coulee at terminus of Refuge Road 325, ca 4.5 air mi N of Bonetrail Boat Ramp, ca 44 air mi WSW of Fort Peck; ca 43 air mi SW of Glasgow.
Grasslands with scattered ponderosa pine and juniper on sandy soil. Phenology: fruiting.

U.S.A., Montana, Valley County: Upper reaches of Chisholm Creek, ca 4.5 air mi SSW of Pikes Peak, ca 13.5 air mi SW of Opheim; ca 38 air mi N of Glasgow.
Grasslands with scattered silver sagebrush on clay soil. Phenology: fruiting.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on Colo Hwy 96, ca 2 air mi W of Pueblo Reservoir dam.
Calcareous flats and breaks to reservoir. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 81.5, ca 3 air mi S of Beshoar.
Railroad right-of-way. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: northwest end of range S of Dry Creek Road, ca 17.8 air mi SW of Waltman.
Wet meadow of graminoids and forbs. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: in Schleichart Draw, just N of Forest Road 3120, ca 0.5 air mi W of Schleichart Draw Reservoir, ca 5.5 air mi W of Ludlow.
Sandy slope above hardwood draw. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0050688

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.
Grass and sagebrush-dominated grazed prairie with scattered, wet cattle wallows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River, ca 1 mi up stream from the junction with Popo Agie River.
Flood plain of river, with Agropyron smithii, Sporobolus airoides and weeds on grazed bottomland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Black Buttes Mill Site, 20 mi NNE of Shoshone.
At base of mountain in dry sandy soil. Phenology: flowering & fruiting.
George F. Freytag, 58. 6/8/1948.

U.S.A., Wyoming, Fremont County: Black Buttes Mill Site, 20 mi NNE of Shoshone.
On dry hillside. Phenology: flowering & fruiting.
George F. Freytag, 59. 6/8/1948.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along County Road FU6, ca 10 mi E of Wapiti.
In draw with Rhus trilobata and Rosa. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Plateau: N of Littlerock Creek at the foot of the plateau; ca 4 air mi E of Deep Lake; ca 7.5 air mi W of Clark; ca 29 air mi NNW of Cody.
Slope of pine covered point with clay and igneous rock. Phenology: flowering & fruiting.
Annotated by Emily Elliott.
Accession: 861819, Barcode: USFS0042193

Holding pond and creek at edge of sagebrush and rabbitbrush; graminoids dominant. Phenology: flowering.

U.S.A., Montana, Madison County: Madison Valley: BLM Palisades Recreation Area, ca 26 air mi S of Ennis, ca 12 air mi NE of Black Butte.
Dry, disturbed grasslands. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Uncompahgre Basin: Cerro Summit area: hillside and ridges above Hairpin Creek, ca 11 mi E of Montrose.
Mountain shrub community with scattered pinyon/juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Northeast edge of Bill.
Disturbed area, with Verbena bracteata and Bromus japonicus. Flowers purple. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: breaks on south side of the North Platte River, ca 9 mi NW of Douglas.
Sandy slopes and flats; grasslands with areas of sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Gentle slopes, alternating sagebrush community and juniper woodlands; gravelly smooth rocks. Phenology: flowering.

U.S.A., Wyoming, Albany County: Along North Platte River, 12 mi N of Sinclair.
Clayey soil. Common. Phenology: flowering.
with Marjorie W. Porter

U.S.A., Wyoming, Carbon County: Great Divide Basin and Adjacent Regions: Shirley Basin; petrified tree deposit on Bates Hole rim and basin, along Wyo Hwy 75.
On roadside. Common. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Garfield Peak.

U.S.A., Wyoming, Carbon County: 1 mi N of Medicine Bow.
41.9119° N, 106.1958° W; NAD 83, uncertainty 0.75 mi., Digital Map
Rolling grassland, clayey soil. Phenology: fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Carbon County: Dana Ridge, 100 yds N of I-80 mile 243.5.
Right of way. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: North Draw drainage.
Sagebrush rangeland. Phenology: flowering.
Max H. Schroeder, s.n.. 7/12/1973.
with Gary L. Ranck

U.S.A., Wyoming, Carbon County: Sage Creek Basin.
Ridge with Eurotia lantana, Poa, and Alyssum desertorum. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Lost Creek, N of Wamsutter, near Hadsell shearing pens.
G-503 = B-108 Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow River.

U.S.A., Wyoming, Fremont County: Along Sweetwater Creek near Lewiston.
Sagebrush slopes. Phenology: flowering.

U.S.A., Wyoming, Albany County: Big Hollow just W of Laramie.
Short grass prairie. Voucher specimens chloropalst DNA, Jeff Doyle Cornell University. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Laramie County: F. E. Warren Air Force Base: near Crow Creek, at gate #2.
Disturbed meadow. Phenology: flowering.
with J. Von Loh

U.S.A., Wyoming, Albany County: Laramie Range: Nueces Ranch, ca 25 mi SW of Wheatland.
Open area near cowpens. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: 20 mi N of Gillette.
Open cedar type; sandy clay loam hills. Phenology: flowering & fruiting.
1. Astragalus bisulcatus (Hook.) A. Gray
Annotated by C. L. Porter.
Charles L. Turner, 41. 6/6/1946.

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

U.S.A., Wyoming, Converse County: Northeastern Converse County.
T38N R68W
In the badlands. Phenology: flowering & fruiting.
with Robert L. Lang

U.S.A., Wyoming, Albany County: South Sybille.
On the sandy banks of streams. Phenology: fruiting.

U.S.A., Wyoming, no county County: Middle Pass.

U.S.A., Wyoming, Albany County: Fishers Ranch.

U.S.A., Wyoming, Albany County: University Campus.

U.S.A., Wyoming, Albany County: Rock River.
Moist grassy slopes. Infrequent. Ecological Survey of Vegetative Succession under Irrigation. Phenology: flowering & fruiting.
J. Francis Macbride, 2769. 7/5/1914.

U.S.A., Wyoming, Fremont County: Near Oil Springs Creek, W of Beaver Rim.
East side of Rogers Mountain formation, near creek. Phenology: flowering.

U.S.A., Wyoming, Converse County: Betty Reservoir, County Road 34.
Mary Alice Sanguinetti, 17. 7/5/1978.
with Keith H. Dueholm

U.S.A., Wyoming, Campbell County:
Hills with pine, juniper, and Ribes. Phenology: fruiting.
Mary Alice Sanguinetti, 127. 7/7/1978.
with Keith H. Dueholm

U.S.A., Wyoming, Campbell County:
Dry grassy plains. Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 419. 7/14/1978.

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

U.S.A., Wyoming, Albany County: Laramie.
2. Astragalus bisulcatus (Hook.) A. Gray

U.S.A., Wyoming, Big Horn County: Shell Creek.
2. Astragalus bisulcatus (Hook.) A. Gray.
with C. E. Moore

U.S.A., Wyoming, Campbell County: Black Thunder Strip Mining Area: North Prong of Thunder and Little Thunder creeks.
Upland sagebrush grass; big sagebrush, blue grama; in clayey, loamy soil of the Ulm series. Phenology: flowering.
with D. W. Sabinske

U.S.A., Wyoming, Sheridan County: Whitney Coal Site.
Along the roadside in sagebrush scrub. Acme Quadrangle. Phenology: flowering.
Annotated by L. M. Mayer on 2/17/1978.
with L. M. Mayer

U.S.A., Wyoming, Albany County: Laramie.
Sagebrush lands. Clumps. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Alongside U.S. Hwy 287, 5.5 mi W of Beaver Creek Crossing, SE of Lander.
Slopes alongside highway. Phenology: flowering.
with Pete Lucas

U.S.A., Wyoming, Sheridan County: Hidden Water Coal Site.
Moist soil of sagebrush-grassland. Monarch Quadrangle. Phenology: flowering.
Annotated by L. M. Mayer on 5/26/1977.
with L. M. Mayer

U.S.A., Wyoming, Campbell County:
Very dry grassy plains. Phenology: flowering & fruiting.

Hills with grass and pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Kemp Creek, east hills.
Grassy hills. Phenology: flowering.

U.S.A., Wyoming, Natrona County: 30 mi SW of Capser.
Along highway in greasewood bottom. Phenology: flowering.
Annotated by C. L. Porter.

U.S.A., Wyoming, Campbell County: 6 mi NNE of Gillette.
T51N R71W; also R72W.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming: S of Lusk.

U.S.A., Wyoming, Albany County: Centennial Valley: 4 mi S of Wyo Hwy 130, on Wyo Hwy 11.
Red sandstone hogback. Common; flowers blue; in large clumps. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Platte River floodplain along Wyo Hwy 220, 10 mi E of Natrona, 2 mi W of Wyo Hwy 487.
T31N R82W
Grassy area on bluff along river. Abundant. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Centennial Valley, roadside W of Sheep Mountain, E of Little Laramie River, near Buckeye Ranch.
T15N R77W
Shaly soil in ditch. Abundant; stems purple. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: breaks on south side of the North Platte River, ca 9 mi NW of Douglas.
Sandy slopes and flats; grasslands with areas of sagebrush. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyoming Game and Fish Access area along the North Platte River in vicinity of Carey, ca 10 air mi E of Glenrock.
River margin and sandy flats and slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyoming Game and Fish Access on North Platte River, ca 6.5 air mi E of Glenrock.
Riverside and sandy parking lot and flats slightly uphill. Phenology: flowering.

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

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: north end of Pine Mountain.
Ponderosa pine rimmed mesa. 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, Teton County: Gros Ventre Mountains: Lower Slide Lake.
Growing with Salix boothii and Senecio sp.; along lake margin in sandy soil. Frequent. Phenology: flowering.

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

U.S.A., Wyoming, Fremont County: Gas Hills: N of the main road E of the wide drainage near the water tank.

U.S.A., Wyoming, Fremont County: Weiser Creek, beside Wyo Hwy 28.

U.S.A., Wyoming, Fremont County: Southern Flank of the Owl Creek Range: E of Boysen Dam, on the Birds Eye Pass Road.
Stream bottom, with sagebrush. mm Phenology: flowering.

U.S.A., Wyoming, Albany County: Sheep Mountain.
41.2828° N, 106.0647° W; NAD 83, uncertainty 0.5 mi., Digital Map
Semi-meadowed flats. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Glenrock.
Wet bottom lands. Phenology: fruiting.

U.S.A., Wyoming, Park County: Along the road up Dead Indian Hill.

U.S.A., Wyoming, Sheridan County: Big Horn Coal site.
Dry clay soil, grassland association. Acme Quadrangle. Phenology: flowering.
with J. A. Moore, D. G. Bendix, and D. G. Reardon

with Keith H. Deuholm

Grassy plains. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: W of Boysen.
T3N R5E S4 western edge
Beside road. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Gas Hills: Lucky Mc Mine, W of Idiots Delight, road to the cabin by the eagle's nest.

U.S.A., Wyoming, Albany County: The Big Hollow, west of Laramie.
Flowers dark purple. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie.
Dry ridges in meadows. 10591 duplicated in field book, see also RM 320285. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Tepee Mountains: Three Corners area: in Coal Mine Draw.
Clay bank in desert shrub community. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: lower Loco Creek.
Sagebrush rangeland. Phenology: flowering.
Max H. Schroeder, s.n.. 7/22/1975.
with Gary L. Ranck

U.S.A., Wyoming, Fremont County: Absaroka Range: Wind River Indian Reservation: Mountain Meadows, ca 15 air mi NE of Dubois.
Moist meadow with Artemisia. Phenology: flowering & fruiting.
with Kevin Berner

U.S.A., Wyoming, Natrona County: Ca 44 mi ESE of Hiland on U.S. Hwy 26.
Sandy roadside. Phenology: flowering & fruiting.
Annotated by B. E. Nelson in 1981.

U.S.A., Wyoming, Fremont County: Beaver Creek, U.S. Hwy 287, ca 24 air mi SE of Lander.
Growing in clay loam of sagebrush-grassland with Stipa comata, Oryzopsis hymenoides, Chrysothamnus viscidiflorus. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Along Sioux Creek.
Moist sagebrush slopes along creek. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Burnt Fork.
Hills and river valleys. Phenology: flowering.
Annotated by Marcus E. Jones.

U.S.A., Wyoming, Sweetwater County: S of Rock Springs.
Baxter shale. Very large. Phenology: flowering.

U.S.A., Wyoming, Albany County: Near Shamrock Station, ca 27 mi SW of Wheatland.
with Harold F. Eppson

U.S.A., Wyoming, Carbon County: Elk Mountain area.
Steele shale. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Ca 11 mi N of Edgemont along County Road 317.
Clay bank with Juniperus and Psoralidium. Flowers purple. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Lander Training Area: ca 1.9 km E of Popo Agie River, ca 4.1 km NW of Little Popo Agie River.
zone DMC, 689503E, 4746716N; unknown, GPS reading
Drainage slopes (up to 80°); Wyoming big sagebrush/cushion; Sundance/Morrison formation, silty loam with pebbles to clunkers to sand with sandstone outcrops; with Artemisia tridentata, A. frigida, Leptodactylon caespitosum, Rhus trilobata, Phlox hoodii, Bromus tectorum, Koeleria macrantha. Local; ascending, perennial herb; up to 1 m tall; corolla pink-purple. Phenology: flowering.
Patricia P. Douglas, 451. 6/14/2001.
with Nancy E. Hastings

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Gravelly clay soils, some sands, gentle sagebrush slopes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 6.2 air mi N of McKinnon; ca 6.1 mi N on County Road 1 from Wyo Hwy 414.
Roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Sweetwater Plateau: Cedar Rim Road, located 3 air mi SW of Rock Creek Mountain and 15.5 air mi NE of Sweetwater Station.
Sagebrush grassland; soil clay; slope: 0-5 deg; with Distichlis spicata, Pascopyrum smithii, Lupinus argenteus. Seeds of Success WY050-221 Phenology: flowering.
with Shannen M. Cashman and Mary Schneider

Sagebrush-grassland; rabbitbrush common; red sandy soil. Phenology: fruiting.

U.S.A., Colorado, Pueblo County: East-central Colorado: Mosquito Range to Plains: ca 12 air mi NW of center of Pueblo at Turkey Creek on U.S. Hwy 50.
Shale rimrock with pinyon-juniper, stream bottom, and grasslands. Phenology: flowering.
Annotated by Timothy W. Chumley.
with Timothy W. Chumley

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

U.S.A., Colorado, Pueblo County: East-central Colorado: Mosquito Range to Plains: ca 13 air mi WNW of center of Pueblo at Swallows along the Arkansas River.
Breaks along river. Phenology: flowering.
Annotated by Timothy W. Chumley.
with Timothy W. Chumley

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Como Lake S of U.S. Hwy 30-287, ca 9 air mi W of Medicine Bow townsite.
Greasewood flats; alkaline. Phenology: fruiting.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: off County Road 9, ca 5.5 air mi N of Canon City; ca 0.2 road mi S of Garden Park Interpretive Site.
Sandy-gravelly drainage with rocky pinyon-juniper uplands; mostly on Dakota sandstone with underlying Morrison formation occasionally outcropping. Phenology: flowering.
Timothy W. Chumley, 511. 6/1/1995.

U.S.A., Wyoming, Albany County: Upper North Platte and Laramie River Drainages: along Fort Fetterman or County Road 61, ca 6.4 air mi NE of Rock River.
Disturbed playa. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: along canyons and ridges off Temple Canyon or County Road 3 ca 5 air mi SW of Canon City.
Steep, rocky slopes in pinyon-juniper. Phenology: fruiting.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Cable Gulch: off Forest Road 174, ca 12.4 air mi NE of Salida.
Open grassland of a large park. Phenology: flowering.
with Irene Thien

Astragalus bisulcatus var. haydenianus (2003)
Astragalus bisulcatus (Hook.) A. Gray var. haydenianus (A. Gray) Barneby
U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: Valle Seco and ridge S of the head of Frio Canyon, ca 9.5 air mi S of Pagosa Springs.
Grassy or sagebrush-grass flats. Phenology: fruiting.
1. Astragalus bisulcatus (Hook.) A. Gray var. haydenianus (A. Gray) Barneby
Annotated by Jeanette Flaig.

Astragalus bisulcatus var. haydenianus (2003)
Astragalus bisulcatus (Hook.) A. Gray var. haydenianus (A. Gray) Barneby
U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: San Juan National Forest: Forest Road 663, 0.6 road mi N of U.S.Hwy 84.
Grassy slopes with oak thickets and ponderosa pine forest at higher elevation; grassy slopes with oak thickets. Phenology: flowering & fruiting.
1. Astragalus bisulcatus (Hook.) A. Gray var. haydenianus (A. Gray) Barneby
Annotated by Jeanette Flaig.
with Jeanette Flaig

Astragalus bisulcatus var. haydenianus (2004)
Astragalus bisulcatus (Hook.) A. Gray var. haydenianus (A. Gray) Barneby
U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: San Juan National Forest: vicinity of Archuleta Canyon, Forest Road 653, 11 air mi SSE of Pagosa Springs.
Grazed ponderosa pine and oak woodland, northwest-facing slope. Phenology: flowering.

U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: San Juan National Forest: Blanco Basin or Forest Road 012, Spring Basin just S of Blue Mountain, 12 air mi SE of Pagosa Springs.
Ponderosa pine/oak woodland in open bottomland with dense oak woodland on southwest-facing slope of 35 deg. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Middle Park: Wolford Mountain Dam on Muddy Creek, ca 4 air mi NNW of Kremmling, and ca 1 mi W of Wolford Mountain.
Area of standing water along creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Middle Park: Pass Creek just N of Colo Hwy 134, ca 3 air mi NW of Wolford Mountain and ca 6.5 air mi NW of Kremmling.

U.S.A., Colorado, Grand County: Williams Fork Mountains: ca 2 mi NW of Green Mountain Reservoir along Colo Hwy 9.
Drying pond edge. Phenology: flowering.

U.S.A., Colorado, Grand County: Rabbit Ears Range: The Gunsight, 0.5 mi W of Gunsight Pass, ca 11.5 air mi NNE of Kremmling and 14.5 air mi NW of Hot Sulphur Springs.
Along intermittent stream. Phenology: flowering.
with Tony Sloan

U.S.A., Colorado, Grand County: Middle Park: Pinto Creek, ca 10 air mi NW of Kremmling and 6 air mi NW of Wolford Mountain.
Creekside and adjacent alkali flats. Phenology: flowering.

U.S.A., Colorado, Grand County: Rabbit Ears Range: Muddy Creek, ca 4 air mi SE of Whiteley Peak and ca 12.5 air mi NW of Wolford Mountain.
Drainage through sagebrush on fine sediment. Phenology: flowering.

U.S.A., Colorado, Grand County: Middle Park: off Trough or County Road 1, ca 3 air mi S of Kremmling and ca 10 air mi NE of Radium.
Sagebrush slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Middle Park: Muddy Creek, ca 2 air mi NNW of Kremmling and ca 2 air mi SW of Wolford Mountain.
Along creek. Phenology: flowering & fruiting.

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: fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Jepp Canyon, ca 4.5 air mi W of Bridger Pass; ca 16.5 air mi SE of Creston Junction.
Small creek cutting through low sagebrush hills at base of canyon; wet sandy soil. Phenology: fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Bald Mountain area, off Forest Road 345 from Cottonwood Road, ca 7 air mi SW of Buena Vista.
Pinus flexilis and Cercocarpus. Phenology: flowering.

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

U.S.A., Colorado, Delta County: Northern Gunnison Basin: Jumbo Mountain, ca 4 air mi ENE of Paonia.
Squaw-apple and serviceberry zone and pinyon-juniper slopes above with sandstone and shales. Phenology: flowering.
1. Astragalus bisulcatus (Hook.) A. Gray var. haydenianus (A. Gray) Barneby
Annotated by Kevin J. Taylor.
with Kevin J. Taylor

U.S.A., Colorado, Montrose County: [location and coordinates withheld]
Juniper-topped breaks with mudstone and sandy areas. Phenology: flowering.
Annotated by Kevin J. Taylor.
with Kevin J. Taylor

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: ca 1.5 air mi E of Cebolla, Canada del Bano.
Stream bottom and pinyon/juniper/oak thickets. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Lopez Canyon off Forest Road 337, ca 3.5 air mi SE of Canjilon.
Raw, eroding clay slope. Phenology: flowering.

U.S.A., Colorado, San Miguel County: [location and coordinates withheld]
Dry field and shore of reservoir, with Artemisia. Phenology: flowering.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Uncompahgre Plateau: at stockpond S of Hanks Valley Road, and by Cedar Creek.
Disturbed area; dry, grazed pasture at site of old homestead. Phenology: flowering & fruiting.

U.S.A., Utah, Grand County: San Miguel and Lower Dolores River Drainages: Manti-La Sal National Forest: at head of Fisher Creek.
With pinyon, juniper, and oak. Phenology: flowering.

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: Dry Creek Basin.
By creek and roadside with pinyon, juniper, Sarcobatus, and Artemisia. Phenology: flowering & fruiting.

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: Dry Creek Basin State Wildlife Area.
Pinyon, juniper, and oak. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Uncompahgre Basin: just S of Cerro Summit on County Road P77, ca 4.8 air mi W of Cimarron; ca 13 air mi ESE of Montrose.
Roadside, roadcut, fencerow below irrigation ditch. Phenology: flowering.
Annotated by Melanie Arnett.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: Echo Basin Area, Rampart Hills, Forest Road 328, ca 5 air mi NE of Mancos.
South-facing ponderosa and oak woodland. Phenology: flowering & fruiting.

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: Lone Cone State Wildlife Area: E of Forest Road 526, ca 40 air mi N of Dolores.
North-facing pinyon, juniper, aspen, and Douglas fir woodland and meadow drainage slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: Upper east end of Disappointment Valley, County Road D.00, Warden Draw, ca 26 air mi N of Dolores.
Pinyon-juniper, ponderosa, Douglas fir, J. scopulorum, Artemesia, rabbitbrush, Paraphyllum, Atriplex, strong selenium odor on a south facing slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: Lone Cone State Wildlife Area, ca 26 air mi NNE of Dolores, E of Forest Road 526.
Oak, scattered ponderosa, aspen grove with creek, pinyon and juniper, south to west facing. Phenology: flowering.

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: County Road D.00, ca 27 air mi N of Dolores in Alkalai Wash N of Disappointment Creek.
Pinyon-juniper, snow berry, greasewood, rabbit brush, Artemesia, oak, and service berry on south facing slopes. Phenology: fruiting.
with Sierra Smith

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Muddy Creek, ca 21 air mi N of Baggs.
Moderately grazed banks and flood plains. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: ca 2 air mi SW of Gallina.
Benchland, sedimentary, with ponderosa pine and Douglas fir; roadside. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: San Miguel Canyon complex on Forest Road 534, from junction with Forest Road 20, S 2 road mi.
Sandstone outcrops, major gypsum beds with ponderosa pine and Douglas fir forests. Phenology: fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: San Miguelito Canyon at east end of County Road 78 and forest boundary, 8 air mi SSE of Cuba.
A narrow, grassy canyon bottom constricted by a volcanic outcrop and with scattered sagebrush/rabbitbrush; canyon bottom. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Ojo la Jara and vicinity off Forest Road 8, 4 air mi NE of Gallina. N36.264 W106.775 N 0.2 air mi to La Jara Springs at N36.267 W106.775
Roadside and adjacent open ponderosa pine forest with thick patches of Gambels oak or moist grassy understory below. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: ca 15 air mi N of Gallina, Forest Road 7 near Alkali Springs.
Seeps, rocky hogback and grassland; grassland. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: NM Hwy 112 at boundary between Forest and Jicarilla Apache Indian Reservation.
Roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin: Tenmile Draw areas at Jim Bridger Mine, ca 10 air mi NE of Point of Rocks; ca 33 air mi ENE of Rock Springs.
Occasional in shallow rocky soils on gentle southwest facing slope. Phenology: flowering & fruiting.
David Krementz, 1. 6/14/1978.

U.S.A., Wyoming, Carbon County: No.17 - 27 mi N of Baggs.

U.S.A., Wyoming, Carbon County: No.13 - 21 mi N of Baggs; No 14 - 26 mi N of Baggs.

U.S.A., Colorado, Moffat County: North-central Colorado: Colo Hwy 13, ca 13 air mi N of Craig.
Sandy roadcut. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Colorado, Routt County: North-central Colorado: Elkhead Mountains: First Creek, ca 4 air mi S of California Park Guard Station.
Meadows and streamside. Phenology: flowering & fruiting.

U.S.A., Colorado, Routt County: North-central Colorado: Elkhead Mountains: along Salt Creek and County Road 46, ca 1.5 air mi N of Rattlesnake Butte, ca 9 air mi SW of Clark; ca 12 air mi NW of Steamboat Springs.
Roadside and fencerows in grassland/sagebrush-grassland. Phenology: fruiting.
Annotated by Ronald L. Hartman.

U.S.A., Colorado, Moffat County: North-central Colorado: Wymore Gulch, ca 7 air mi NE of Craig.
Sagebrush slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Moffat County: North-central Colorado: Wymore Gulch, ca 7 air mi NE of Craig.
Sagebrush slopes. Phenology: flowering.

U.S.A., Colorado, Moffat County: North-central Colorado: ca 18 air mi N of Craig.
Sagebrush slopes and streams. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: W of Cuba.
Very common in abandoned seleniferous field. Phenology: flowering.
with Schaffner

U.S.A., New Mexico, Sandoval County: Jemez National Forest: near Cuba.
Along road. Phenology: flowering.
Arthur Cronquist, 11. 6/20/1913.

U.S.A., Colorado, Archuleta County: Pagosa-Chama road.
Stony gumbo soil. Phenology: flowering.

U.S.A., Colorado, Grand County: Middle Park: Muddy Pass vicinity.
with Ruth A. Nelson

U.S.A., Colorado, Routt County: Between Craig and Steamboat Springs.

U.S.A., Colorado, Grand County: 4.9 mi E of Muddy Pass on U.S. 40.
Annotated by Duane Isely in 1979.
1.

U.S.A., Colorado, Grand County: 4.9 mi E of Muddy Pass on U.S. 40.

U.S.A., Colorado, Grand County: Ca 4 mi S of Kremmling on Hwy 9.

U.S.A., Colorado, Montezuma County: Mancos
Edges of fields. Phenology: fruiting.
Annotated by Marcus E. Jones.
with F. S. Earle and S. M. Tracy

U.S.A., Colorado, Montezuma County: Mancos
Common around edges of fields. Phenology: fruiting.
Annotated by Marcus E. Jones.
with F. S. Earle and S. M. Tracy

U.S.A., Colorado, Montrose County: Montrose.
Annotated by Edward L. Greene.

U.S.A., Colorado, Archuleta County: Pagosa Springs
Annotated by Edward L. Greene.

U.S.A., New Mexico, Sandoval/Rio Arriba County: Rio Puerco National Forest: Upper Chuillia Road 15 mi N of Cuba.
Big sagebrush and pinyon. Phenology: fruiting.

U.S.A., New Mexico, Rio Arriba County: Dulce.

U.S.A., New Mexico, Rio Arriba County: El Rito Creek.

U.S.A., Colorado, Archuleta County: San Juan National Forest.
3% south slope; shallow clay loam; scattered in grassland with Carex, Poa and Agropyron. Phenology: fruiting.

U.S.A., Colorado, Ouray County: West of Ridgway.
Dry flats. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Montrose.
Alkaline flats. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: 0.2 mi N on Glade Park Road from junction with DS Road.
Swale in cultivated pasture. Phenology: flowering.
with R. Abbott

U.S.A., Colorado, Montrose County: Along Hwy 50 between Montrose and Gunnison.
Oakbrush-sagebrush community; loamy soil. Phenology: flowering.

U.S.A., Colorado, Grand County: 6 mi N of Kremmling: 0.8 mi NW of Hwy 40 via Hwy 134, above Pass Creek.
Margin of sagebrush/grass community in clay near barren shale breaks. Phenology: flowering & fruiting.
with Oliver Grah

U.S.A., Colorado, Archuleta County: Pagosa Springs.
Dry hills. Phenology: flowering & fruiting.
with F. S. Willey and I. W. Clokey

U.S.A., Colorado, Routt County: White River National Forest: Moody Creek on Dry Knoll.
15% south slope; dry sandy loam. Phenology: flowering.

U.S.A., Colorado, Montezuma County: Mancos.

U.S.A., Colorado, Routt County: Steamboat Springs

U.S.A., Colorado, Eagle County: Wolcott.

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

U.S.A., Colorado, Routt County: Hayden.
George E. Osterhout, 4951. 7/9/1913.

U.S.A., Colorado, Montrose County: Near Cerro Summit.
Annotated by Duane Isely on 7//1976. Possibly intermediate between vars. bisulcatus and haydenianus.

U.S.A., Colorado, Montezuma County: Mancos.
George E. Osterhout, s.n.. 6/12/1899.

U.S.A., Colorado, Montezuma County: Mancos
George E. Osterhout, s.n.. 6/13/1899.

U.S.A., Colorado, Ouray County: Ridgway.

U.S.A., Colorado, Routt County: Hayden.
Annotated by B. E. Nelson in 1979.

U.S.A., Colorado, Jackson County: 10 mi W of Coalmont.
Dry eroded slope. Phenology: flowering & fruiting.
Harold D. Harrington, 3667. 7/22/1947.

U.S.A., Colorado, Moffat County: Blue Mountain.
Open, fairly dry slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Rio Blanco County: 1 mi E of Meeker.
Open rocky slope. Phenology: flowering & fruiting.

U.S.A., Colorado, La Plata County: 10 mi E of Mancos.
Open slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: 2 mi S of Muddy Pass.
Harold F. Eppson, s.n.. 7//1947.

U.S.A., Colorado, Moffat County: 2 mi S of Craig.
Harold F. Eppson, s.n.. 7/7/1937.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest: S of Canada Valle Grande.
East slope; sandy clay loam; not abundant. Phenology: flowering.

U.S.A., Colorado, Montezuma County: Mesa Verde National Park: 6 mi east of Park buildings.
Roadside and between oaks. Montezuma/La Plata counties. Phenology: flowering & fruiting.

U.S.A., Colorado, La Plata County: Derango [Durango].

U.S.A., New Mexico, Rio Arriba County: 85 mi N of Santa Fe on road to Chama.
Leslie N. Goodding, s.n.. 6/18/1938.

U.S.A., New Mexico, Sandoval County: Cuba.
Leslie N. Goodding, Se. 51. 6/25/1938.

U.S.A., New Mexico, Rio Arriba County: W of El Vado Dam.

U.S.A., Colorado, Archuleta County: 5 mi above Arboles.
Collection number Sel 34-41 Phenology: flowering.
Leslie N. Goodding, Sel 34-4. 5/26/1941.

U.S.A., Colorado, Montrose County: 1 mi S of Montrose.
Collection number Sel 56-40 Phenology: flowering.
Leslie N. Goodding, Sel 56-4. 5/9/1940.

U.S.A., New Mexico, Sandoval County: Cuba.
Leslie N. Goodding, Sel. 51. 6/25/1938.

U.S.A., Colorado, Grand County: 5 mi S of Kremmling.
Abundant for miles. Phenology: fruiting.
Leslie N. Goodding, Sel. 55. 7/21/1938.

U.S.A., New Mexico, Rio Arriba County: Rio Chama: ca 15 mi N of Espanola.
Leslie N. Goodding, Sel48-40. 5/8/1940.

U.S.A., Colorado, Grand County: Parshall vicinity.

U.S.A., Colorado, Grand County: Kremmling vicinity.

U.S.A., Colorado, Grand County: Kremmling vicinity.
Annotated by Duane Isely in 1979.

U.S.A., Colorado, Rio Blanco County: 18 mi SW Meeker.
In canyon. Phenology: flowering & fruiting.

U.S.A., Colorado, Conejos County: 0.5 mi SSE of Canon, 2.5 mi SW of Las Mesitas.
T32N R8E S6; also S7
Moist loam of NNW exposure with Pinus ponderosa, Artemisia, Chrysothamnus, Poa and Festuca. Phenology: flowering.

U.S.A., Colorado, Rio Blanco County: West Fork Spring Creek: 0.5 mi S of its junction with McDowell Gulch.
T1S R100W S18 SE1/4 of NE1/4 of NE1/4
Abundant on moist soil near spring with Juncus. Phenology: flowering & fruiting.
with M. Waters

U.S.A., Colorado, Archuleta County: San Juan National Forest: La Juana Creek.
5% northwest slope; heavy clay and Lewis shale; locally common in eroded meadow. Phenology: flowering.

U.S.A., Colorado, Routt County: Elk River near Clark.
0-5% south slope; occasional in grassland. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Fitzpatrick Mesa: 2 mi W of Blue Creek.
Clay-adobe soil. Phenology: fruiting.

U.S.A., Colorado, Gunnison County: Fitzpatrick Mesa: 2 mi W of Blue Creek.
Phenology: vegetative only.

U.S.A., Colorado, La Plata County: 20 mi W of Durango.

U.S.A., Colorado, Montezuma County: Mesa Verde National Park.
Jul-Aug 1913. Phenology: flowering & fruiting.

U.S.A., Colorado, Garfield County: Rifle Gap.

U.S.A., Colorado, Garfield County: Between Rifle Gap and Fish Hatchery.
Disturbed roadside; sagebrush association and riparian woodland. Phenology: flowering.
with Janet Wingate

U.S.A., Colorado, San Miguel County: 2 miles east of Gypsum Gap, east of Gladel.
Alkali flat. Phenology: flowering.

U.S.A., Colorado, Arapahoe County: 9 mi NW of Pagosa Junction.
Black shale. Phenology: flowering & fruiting.
with C. F. Livingston

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

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Rifle Gap Reservoir, east end along East Rifle Creek, ca 7.5 air mi NNE of Rifle.
Area exposed by receding shoreline and adjacent sagebrush flats. 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.
Hillside above spring. Phenology: fruiting.

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

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: Hells Gulch portion of Alkali Creek, off of Forest Road 816 and County Road 342 (Silt-Collbran Road), ca 2 air mi N of Hightower Mountain and ca 17 air mi S of Silt.
Sagebrush meadow. Phenology: flowering.
Michael K. Kirkpatrick, 5599. 6/6/2011.

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: McPhee Gulch, ca 4 air mi NE of State Bridge.
Dry slopes and meadows with sagebrush and pinyon-juniper. Phenology: flowering & fruiting.
Michael K. Kirkpatrick, 6209. 6/19/2011.

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: Mud Hill, at the crest of Battlement Mesa along the boundary of Grand Mesa National Forest, ca 14 air mi S of Silt.
North-facing hillside with oak, sagebrush, and scattered aspen. Phenology: flowering & fruiting.
Michael K. Kirkpatrick, 6588. 6/26/2011.

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

U.S.A., Colorado, Grand County: Blue Valley Ranch.
zone 13, 382876E, 4425194N; unknown, Specimen Label

U.S.A., Colorado, Mesa County: Battlement Mesa: Grand Mesa National Forest: Road Gulch, hillside SE of Mud Hill on Forest Trail 625, ca 15 air mi S of Silt.
Clay slope in mountain shrub community. Phenology: flowering & fruiting.
1. Astragalus bisulcatus (Hook.) A. Gray var. haydenianus (A. Gray) Barneby.

U.S.A., Colorado, Montrose County: Uncompahgre Basin: hillsides SW of Waterdog Basin, ca 11.5 air mi SE of Montrose.
Mixed mountain shrub community. Phenology: fruiting.
1. Astragalus bisulcatus (Hook.) A. Gray var. haydenianus (A. Gray) Barneby.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 6 air mi SE of Cumberland Gap; ca 14.2 road mi N of I-80 on east side of Wyo Hwy 412.
Alternating white shale and red sandy soils; juniper woodland. Phenology: flowering.
with N. Duane Atwood

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: Hells Gulch portion of Alkali Creek, off of Forest Road 816 and County Road 342 (Silt-Collbran Road), ca 2 air mi N of Hightower Mountain and ca 17 air mi S of Silt.
Sagebrush meadow. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0061424

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: Oyster Ridge, ca 7 air mi E of Cumberland Gap; ca 7.4 road mi E of the junction of U.S. Hwy 189 and Wyo Hwy 412 via Blazon Mine Road.
Sandstone uplift and sandstone ridgetop with sandstone boulders. Phenology: flowering.
with Duane Atwood

U.S.A., Colorado, Montrose County: Gunnison Basin: BLM Lands W of the town of Cimarron and N of U.S. Hwy 50, ca 15 air mi SSE of Montrose.
Oak brush/mountain shrub community with scattered pinyon and juniper. Phenology: flowering.
1. Astragalus bisulcatus (Hook.) A. Gray var. haydenianus (A. Gray) Barneby.

U.S.A., Colorado, Mesa County: Grand Mesa National Forest: Ruth Mountain Area: along Owens Creek and Forest Road 268, ca 5.7 road mi ENE of County Road 265, ca 25 air mi SSE of Rifle.
Montane meadow with sagebrush and snowberry. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 3 air mi NE of Lonetree; ca 3.3 road mi E of Cedar Mountain Road from Wyo Hwy 414, west flank of the mountain.
Badlands with gentle, white, sandy slopes. Phenology: flowering.
with R. H. Lathrop

U.S.A., Wyoming, Uinta County: 5.5 mi and 183 deg from Mountain View.
41° 11' 8" N, 110° 20' 56" W; unknown, , Specimen Label
Desert shrub community with broken veneer of water-worked gravels and cobbles. Phenology: flowering.

U.S.A., Wyoming, Uinta County: 4.1 mi and 343 deg from Lonetree.
41° 6' 42" N, 110° 10' 35" W; unknown, , Specimen Label
Semibarrrens of Bridger Formation with scattered Gardner saltbrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: 3 mi and 337 deg from Lonetree.
41° 5' 44" N, 110° 10' 40" W; unknown, , Specimen Label
Semibarrens of Bridger Formation. Phenology: flowering & fruiting.

U.S.A., Colorado, Moffat County: County Road 75 along the Little Snake River.
Clay slopes. Phenology: flowering & fruiting.
with Allen Huber

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Clay Basin: ca 7.5 air mi NE of Dutch John.
South aspect, spring, dark humus soils, gravelly sagebrush. Phenology: flowering & fruiting.

Astragalus bisulcatus var. major (1997)
Astragalus bisulcatus (Hook.) A. Gray var. major (M. E. Jones) S. L. Welsh
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).
Bottom of deep draw along creek. Phenology: flowering & fruiting.

Astragalus bisulcatus var. major (1994)
Astragalus bisulcatus (Hook.) A. Gray var. major (M. E. Jones) S. L. Welsh
U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: top and sides of Continental Divide in rolling plains, ca 12 air mi S of Creston Junction; ca 17 air mi SE of Wamsutter.
Sparsely vegetated knoll dominated by graminoids; dry, rocky soil with selenium present. Phenology: fruiting.

Astragalus bisulcatus var. major (1994)
Astragalus bisulcatus (Hook.) A. Gray var. major (M. E. Jones) S. L. Welsh
U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: along Bush Rim, ca 8.5 air mi S of Oregon Butte; ca 7.5 air mi NW of the Pinnacles.
Moist, open draw leading to spring; dense graminoids dominant, few shrubs; clay soil. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: slopes of Continental Peak, ca 7 air mi E of Oregon Buttes; ca 11 air mi W of Circle Bar Lake.
Sagebrush swale on north facing slope of peak; rocky soil. Phenology: flowering.

Partially vegetated east facing slope with grasses and sagebrush; rocky sandy soil with sandstone outcrops. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: ca 4 air mi W of Continental Peak; ca 5 air mi NE of Oregon Buttes.
Spring at base of slope; dense graminoids, organic soil. Phenology: 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.
Creek through sagebrush. Phenology: flowering.

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: reservoir on North Fork Buffalo Creek just S of Big Cedar Ridge along Blue Bank or BLM Road 1411, ca 11.5 air mi WNW of Big Trails; ca 25 air mi SE of Worland.
Sagebrush or stony slope along the reservoir. Phenology: flowering & fruiting.
with Luanne Lum

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above the head of Buffalo Springs Creek on a tributary of Nowater Creek, ca 3 air mi N of Hawks Butte, ca 18 air mi SW of Big Trails; ca 32 air mi E of Thermopolis.
Clay ridgetop with patches of sagebrush. Phenology: flowering & 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: fruiting.
with Michelle Wilson

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Wheatland Reservoir #2, ca 36 air mi NNW of Laramie, ca 16 air mi NE of Rock River.
Dry sandy uplands. 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, Lincoln County: Wetlands and Adjacent Areas: Fontenelle Creek, ca 14 air mi SSW of La Barge.
Dry rocky uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Elk Mountain.
Foothills. Flowers cream-colored with purple-tipped keel. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: 4 mi E of Creston on U.S. Hwy 30.
Clayey soil. *Field notebook Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Along Henry's Fork of Green River near McKinnon.
Sandy soil in cottonwood grove. *Field Notebook* *southwestern Sweetwater county* Phenology: flowering & fruiting.
with B. F. Miller

U.S.A., Wyoming, Uinta County: On U.S. Hwy 189 near the junction with U.S. Hwy 30s.
Common on clayey valleys. *Field Notebook Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: 20 mi N of Baggs.
Sagebrush slopes, clayey gumbo soil. Common from Creston to Baggs. *Field Notebook Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: 10 mi E of Rock Springs.
Common in dry, clayey soil in Shadscale desert. Phenology: flowering.

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: fruiting.

Dry creek bed. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Baggs.
Bottom lands. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Baggs.
Badlands. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Bitter Creek.

U.S.A., Wyoming, Sweetwater County: Bush Ranch.
On gumbo clay. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Upper Green River Basin: ca 3.7 mi S of Fontenelle and 0.2 mi W of Wyo Hwy 372.
Sparsely-vegetated badlands outwash at flanks of valley wall, north aspect, sparse cover of Artemisia tridentata ssp. wyomingensis, with Ericameria nauseosa, Elymus elymoides. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: ca 12 mi N and 0.3 mi W of Big Piney, N of Muddy Creek.
Isolated low badlands ridge and knolls in valley, topped by red sandstone with highly erodible shale base. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: North Fork Twin Creek, ca 2.5 mi E of Fossil Butte National Monument, ca 3 mi N of U.S. Hwy 30.
West-facing slope. Phenology: flowering & fruiting.
with Petra Hall

U.S.A., Wyoming, Sweetwater County: Ca 10 mi N of Lonetree.
On clay banks. Phenology: flowering & fruiting.
with Roland V. Rethke and R. van Raadshooven

U.S.A., Wyoming, Uinta County: Ca 4 mi N of I-80 along Wyo Hwy 189; ca 2.2 mi W on dirt road.
White clay outcrops in sagebrush Atriplex community. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Carbon County: CA 6 mi S of Rawlins.
with C. S. Gilbert

U.S.A., Wyoming, Sweetwater County: Ca 26 mi W of Piker Springs.

U.S.A., Wyoming, Sublette County: Ca 2.3 mi S of Cora; ca 1.7 mi N of Cora Turnoff.

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

U.S.A., Wyoming, Carbon County: Shirley Basin.

U.S.A., Wyoming, Carbon County: Rawlins.
Gumbo soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Elk Mountain area.

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

U.S.A., Wyoming, Uinta County: Bridger; ca 5 mi E of Church Buttes.

U.S.A., Wyoming, Carbon County: 5 mi W of Baggs. Ca
Open juniper forest with Haplopappus, Eriogonum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Ca 5 mi E of Sage.
Low sagebrush community, Wasatch formation. Phenology: flowering.
with J. Kass

U.S.A., Wyoming, Carbon County: Ca 6 mi S of Elk Mountain.
Irrigation ditch. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Ca 21.5 mi on Hwy I-80, Wyoming - Utah line.
Raw ground of a steep roadcut. Phenology: flowering & fruiting.
with D. Atwood

U.S.A., Wyoming, Uinta County: Ca 5 mi N 25 deg W of Lonetree, east side of Hickey Mountain
Raw soil of eroding nearly barren, scant juniper, desert shrubs, and sagebrush community. Phenology: flowering & fruiting.
with D. Atwood

U.S.A., Wyoming, Carbon County: Ca 1-2 mi NW of Baggs.
Eroding badlands, clays of Wasatch? Formation. Phenology: flowering & fruiting.

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, Sweetwater County: Great Divide Basin: east-west ridge between Mowing Machine Draw and Harnell Creek; ca 1 1/4 mi E of Rock Cabin Spring.
South-facing slopes with exposures of limestone gravel and fine clay sediment. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Sweetwater River Plateau: badlands ridge and basin on rim ca 2 air mi W of Continental Peak.
Dry, coarse gravelly-silt at base of badlands formation with Atriplex gardneri-Artemisia pedatifida community. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: north end of Ross Butte; ca 0.5 mi S of New Fork River; ca 20 air mi S of Pinedale.
Sandy or clay bare slopes of badlands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: ca 2.5 mi N of Kennaday Peak; ca 1.5 mi E of Cedar Pass.
Artemisia tridentata var. vaseyana/Chrysothamnus viscidiflorus/Symphoricarpos oreophilus grassland on dry ridgetop above valley of aspen-subalpine fir. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Overthrust Belt: ridge on east side of Albert Creek, ca 3 mi N of Aspen Mountain; ca 5 air mi S of I-80; ca 10 mi ESE of Evanston.
Lower slopes and bottoms on seleniferous soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Overthrust Belt: Twin Creek drainage on north side of railroad 0.2 mi N of U.S. Hwy 30, ca 1.5 air mi SW of Fossil Butte.
Artemisia tridentata var. tridentata/Chrysothamnus nauseosus/Sarcobatus vermiculatus/Distichlis stricta/Elymus cinereus community bordering stream on clay banks. Phenology: flowering & fruiting.

U.S.A., Colorado, Routt County: North-central Colorado: Elkhead Mountains: N of Dry Fork Elkhead Creek, ca 1 air mi SW of Elkhead; ca 10 air mi N of Hayden.
Sagebrush slopes. Phenology: flowering & fruiting.
with melissa

U.S.A., Colorado, Moffat County: North-central Colorado: County Road 38, ca 22 air mi N of Craig.
Sagebrush and Amelanchier. Phenology: fruiting.
1. Astragalus bisulcatus (Hook.) A. Gray var. major (M. E. Jones) S. L. Welsh
with melissa

U.S.A., Colorado, Moffat County: North-central Colorado: Colo Hwy 13, ca 34 air mi N of Craig.
Semibarren hills. Phenology: fruiting.
1. Astragalus bisulcatus (Hook.) A. Gray var. major (M. E. Jones) S. L. Welsh
with melissa

U.S.A., Colorado, Routt County: Between Craig and Steamboat Springs.
Annotated by Duane Isely in 1976.

U.S.A., Colorado, Montrose County: Uncompahgre National Forest (adjacent), Cerro Summit.
Abundant in open brush sage community on southwest slope in rocky clay slope. Phenology: flowering & fruiting.
1. Astragalus bisulcatus (Hook.) A. Gray var. major (M. E. Jones) S. L. Welsh
Charles R. Towne, T 99. 6/9/1944.

U.S.A., Colorado, Grand County: 4.9 mi E of Muddy Pass on U.S. 40.
Niobrara shale upper part of formation. Also in Jackson County. Phenology: fruiting.

U.S.A., Colorado, Montezuma County: 9 mi E of Cortez along Hwy 160.
Pinyon-juniper community on Mancos shale. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Cedar Creek, near Montrose.
Dry south slopes. Phenology: fruiting.

U.S.A., Colorado, Grand County: Ca 4 mi below Muddy Pass on Hwy 40 toward Kremmling.

U.S.A., Colorado, Grand County: Coulter P. O.

U.S.A., Colorado, Moffat County: 2 mi N of Loyd.
Open ground. Phenology: flowering & fruiting.
1.

U.S.A., Colorado, Archuleta County: San Juan National Forest: La Juana Creek.
Common in eroded meadow on 5% northwest slope in heavy clay. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Gooseberry Spring and vicinity between Boulder and Rock Creek ridges, ca 25 air mi WNW of Kemmerer; ca 6 air mi NE of Sage Junction.
Gently sloping clay sagebrush areas. Phenology: flowering & fruiting.
with Russ Nelson

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: fruiting.

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 & fruiting.

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. Phenology: fruiting.
James P. Vanderhorst, 2919. 6/28/1991.

Slopes and bottoms of gullies in badlands. Phenology: flowering.
with Beth Ward

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along a tributary of Canary Grove Draw, ca 3/4-1 mi SW of Muddy Creek, ca 28.5 air mi SSW of Rawlins; ca 25.5 air mi NE of Baggs.
Sagebrush-grassland. Phenology: fruiting.

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

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

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: north end of Crooked Wash at the base of (west end of) Kinney Rim, ca 45 air mi SE of Rock Springs; ca 48 air mi SW of Wamsutter.
Sagebrush islands, scattered bare soil areas. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: rim edge on south edge of Mexican Flats, ca 1-1.5 air mi W of Wyo Hwy 789, ca 42 air mi SSE of Rawlins.
Flat terrace, bottom of draw from small rim. Phenology: flowering & 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.
Creek bottom. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Flat below rim. 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.
Open hillside. Phenology: fruiting.

Rocky slope. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: southern extension of the bluffs NW of Baggs between the Little Snake River plain and Devils Canyon, ca 3 air mi W of Baggs.
Sandy draws. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Clay areas, some barren areas. Phenology: flowering.

Dry slope. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: ca 2-2.5 air mi E of Savery.
Sagebrush-juniper slopes, south exposure with sandy/rocky soil. Phenology: flowering.
with Beth Ward

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

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

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

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

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

Draw with sagebrush. Phenology: flowering.

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

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

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: fruiting.

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 & fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Gooseberry Spring and vicinity between Boulder and Rock Creek ridges, ca 25 air mi WNW of Kemmerer; ca 6 air mi NE of Sage Junction.
Gently sloping clay sagebrush areas. Phenology: flowering & fruiting.
with Russ Nelson

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

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 15 air mi SSE of Worland on the Nowater Trail.
Sandy slopes. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Green Bug Reservoir, ca 7.5 air mi SW of Ten Sleep on Blue Bank Road.
Disturbed areas.

U.S.A., Wyoming, Sweetwater County: Potter Mountain.
Large hills with sagebrush, eroded clay slopes, juniper woodland on sandstone with outcrops, clay flats along creek; ridges. Phenology: flowering & fruiting.

Clay flats along wash, clay ridges, sandstone ridges and outcrops, shaley slopes with Cercocarpus; near wash. Phenology: fruiting.

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

U.S.A., Wyoming, Sweetwater County: Great Divide Basin: Oregon Buttes, ca 34 air mi NE of Farson.
Rocky sage-covered slopes of buttes, sandstone caprock, grassland on summit, limber pine, eroded shale slopes, aspen stands on north slope of butte; slopes. Phenology: flowering.

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

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: east end of Wildcat Butte, ca 14.8 air mi NE of Lyman; 5.4 mi E on Church Butte Road.
Slopes and ridgetop of butte with cobblestones, clay bottoms with sagebrush and sandy soils. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Stewart Point, ca 4 air mi SW of Pinedale.
Sagebrush slopes, dry stream channels, eroded, often barren slopes, windswept ridge and ravines with assorted shrubs. Phenology: flowering.
with Tom Cramer

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

U.S.A., Wyoming, Sublette County: Green River Basin: BLM Road 5410, ca 1.3 road mi SE of Wyo Hwy 351; ca 4 air mi WSW of junction of Wyo Hwy 351 and U.S. Hwy 191.
Badlands, clays and sand with sagebrush along wash. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: North Alkali Draw, ca 15 air mi E of Big Piney.
Eroded clay hillsides with Atriplex. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 11.5 air mi SW of Boulder.
Clay hillside with sparse Atriplex and sagebrush. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Sublette County: Green River Basin: Green River, ca 13 air mi N of Daniel Junction.
Cobblestone sagebrush hillside. Phenology: flowering & fruiting.
with Jane T. Kellett

U.S.A., Wyoming, Sublette County: Green River Basin: hill just E of Bull Draw, ca 26 air mi N of Farson.
Sagebrush hill and open top. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 14.5 air mi SW of Boulder.
Sandy sagebrush around badlands outcrop. Phenology: flowering & fruiting.
with Jane T. Kellett

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, Carbon County: Medicine Bow Mountains: just off Pass Creek or County Road 404, ca 4 air mi SE of Elk Mountain summit.
Sagebrush steppe. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Spring Creek and Tableland Ditch, E of County Road 101 (Medicine Bow River Road), ca 10 air mi W of Arlington; ca 23 air mi NE of Saratoga.
Along stream in grassland with Salix and Amelanchier common. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Hanna Basin: just S of I-80 and along the northeast end of Halleck Ridge, ca 12 air mi WNW of exit 255 (Elk Mountain/Hanna) and ca 1.5 air mi SW of Quealy Gap.
Draws in sagebrush hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: S of Ring Mountain, area of Maggie Creek, ca 1 air mi SE of intersection of Wyo Hwy 10 and Gyp Quarry Road, ca 7 air mi SSE of Woods Landing and ca 10 air mi SE of Foxpark.
Seep in sagebrush hills, white soil that smells like selenium. Phenology: fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: along Leavitt Creek below the south end of Cottonwood Bench, ca 7 air mi ESE of Mountain View; ca 39.5 air mi E of Evanston.
Stony clay knolls and sandy clay flats. 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.
Badland slopes with bentonite and cobblestones, with patches of juniper and sagebrush on the flatter areas. Phenology: flowering.
with C. H. Refsdal

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
West aspect, sandy soils, shale. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 12.2 air mi N of McKinnon; 7.3 mi W on south side of BLM Road 4315 (Burnt Fork Road). Possibly
41.2594° N, 109.8957° W; uncertainty .75 mi., Digital Map
Dry washes, sandy soils, rolling badlands, desert salt shrubs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 8 air mi N of Lonetree; 2.5 mi S of Cedar Mountain Road on jeep trail.
Juniper woodland, steep slopes, sandy clays. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 14 air mi ENE of Evanston; 1.6 mi N of I-80, then 1 mi E on access road.
Limestone outcrops with fine white sand, sandstone outcrops with clay soils, sagebrush bottoms with wetlands. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: lower southwestern flanks of Cedar Mountain, ca 3.8 air mi NE of Lonetree; 0.9 mi SE on two track from junction of Sage Creek Mountain/Cedar Mountain roads.
Dry washes, gray loose sands with Bentonite. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Parkdale Recreation Area off U.S. Hwy 50 along the south bank of the Arkansas River, ca 11.4 air mi WNW of Canon City.
Weedy, disturbed site along the river, with alluvial gravels and thin, poor soils. Phenology: fruiting.