Astragalus crassicarpus var. paysonii (1997)
FABACEAE
Astragalus crassicarpus Nutt. var. paysonii (E. H. Kelso) Barneby
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: abandoned townsite of Carbon on Carbon Creek ca 2 air mi NE of Simpson Ridge, ca 9.5 air mi SW of Medicine Bow; ca 10 air mi SE of Hanna.
Flats along the stream among old building foundations. Phenology: flowering.
Accession: RM 667497, Barcode: RM0159561

Astragalus crassicarpus var. paysonii (1997)
FABACEAE
Astragalus crassicarpus Nutt. var. paysonii (E. H. Kelso) Barneby
U.S.A., Wyoming, Albany County: Upper North Platte and Laramie River Drainages: Boot Heel, ca 7 air mi SW of Marshall.
Sandstone outcrops and sandy slopes. Phenology: flowering.
with Amy J. Roderick and B. A. Packer
Accession: RM 667496, Barcode: RM0159560

Astragalus crassicarpus var. paysonii (2003)
FABACEAE
Astragalus crassicarpus Nutt. var. paysonii (E. H. Kelso) Barneby
U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills S of and draining to West Fork Fiddler Creek on Upton - Fairview or County Road 59, ca 11 air mi S of Upton; ca 22 air mi WNW of Newcastle.
Swale of sagebrush grassland. Phenology: fruiting.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Shale hills and sandy areas and badlands. Phenology: fruiting.
with Amy J. Roderick and Cherie Winner
Accession: RM 667495, Barcode: RM0159559

U.S.A., Montana, Park County: [location and coordinates withheld]
Elev. 5300 ft.
Grassland with Zigadenus venenosus, Carex stenophylla, Balsamorhiza incana, and Cerastium arvense.
Accession: RM (unaccessioned)

U.S.A., Montana, Stillwater County: [location and coordinates withheld]
Elev. 6000 ft.
Disturbed sagebrush-grassland with Chaenactis douglasii, Musineon divaricatum, Monarda fistulosa, and Phacelia linearis.
Accession: RM (unaccessioned)

U.S.A., Montana, Madison County: [location and coordinates withheld]
Dry, rocky, south facing slope with Cercocarpus ledifolius var. ledifolius, Gutierrezia sarothrae, Agropyron spicatum, and Phacelia hastata. Phenology: fruiting.

U.S.A., Montana, Park County: [location and coordinates withheld]
Sagebrush-grassland with Festuca idahoensis, Agropyron spicatum, Antennaria umbrinella, and Arenaria congesta. Phenology: flowering & fruiting.

U.S.A., Montana, Stillwater County: Ridge ca 1/4 mi E of Montana Highway 78, 1 mi NE of Absarokee.
Elev. 4160 ft.
Disturbed sagebrush grassland with Allium textile, Agropyron spicatum, and Artemisia frigida. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Rough breaks of various sagebrushes with reclaimed areas. Phenology: fruiting.
with B. E. Nelson

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

U.S.A., Montana, Sweet Grass County: Ridge ca 1 mi S of the Yellowstone River and 2 mi WSW of Reed Point.
Grassland and open ponderosa pine forest with Purshia tridentata, Geum triflorum, Arnica sororia, and Astragalus miser var. decumbens. Phenology: vegetative only.

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: Futurity area, follows County Road 185C, ca 7 air mi E of Nathrop.
Mixed conifer (Pinus contorta, P. flexilis, Pseudotsuga menziesii). Phenology: fruiting.
Accession: (unaccessioned)

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: Limestone Ridge, ca 8.5 air mi E of Buena Vista.
Granite with limestone caprock. Phenology: flowering.
with Emily Holt
Accession: (unaccessioned)

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: along Trout Creek at San Isabel-Pike Forest Service boundary, off County Road 309, ca 9 air mi NE of Buena Vista.
Open aspen woodland on granitic-sandstone soil. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: along County Road 311, 1 road mi NW of U.S. Hwy 24, ca 1 air mi W of Trout Creek Pass, ca 9 air mi ENE of Buena Vista.
Ponderosa forest on south aspect. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
South facing red sand butte. Phenology: fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ridge N of School Section Creek, ca 2.5 air mi E of Windy Butte, ca 6.5 air mi NE of Oelrichs.
Stony slopes of a small butte. Phenology: flowering & fruiting.
Annotations:
1. Astragalus crassicarpus Nutt. var. paysonii (E. H. Kelso) Barneby
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: west end of Wolf Butte, ca 19.5 air mi N of Crawford.
Stony grassy slopes. Phenology: flowering & fruiting.
Annotations:
1. Astragalus crassicarpus Nutt. var. paysonii (E. H. Kelso) Barneby
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: between Meng Drive and Wright Bench Mark, ca 14 air mi NW of Crawford.
Sandy grassland.
Annotations:
1. Astragalus crassicarpus Nutt. var. paysonii (E. H. Kelso) Barneby
Annotated by Grace M. Kostel.
with Grace Kostel

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

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

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: between Shorty Draw and French Creek, ca 9 air mi E of Fairburn and 14.5 air mi SE of Hermosa.
Grassy area at top of ridge. Phenology: fruiting.
with B. E. Nelson

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. Phenology: fruiting.
with B. E. Nelson

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 4 air mi E of Oelrichs, base of Limestone Butte, west side and out in badland bottoms and channel meanders.
Soil in the channel meanders is heavy white clay, the meaders are divided by grass covered non-eroded raised areas having soils of a sand/loam mix. Astragalus barrii found only in the meanders, and only in white clay soil. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 15 air mi SE of Ardmore, South Dakota.
At base and ridge top of eroded limestone banks in clay soils. Phenology: fruiting.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 2 air mi SW of Cottonwood.
On grass covered butte, soils are gravel and silty loam. Phenology: fruiting.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 3 air mi SSW of Cottonwood.
On grass covered butte, soils are gravel and silty loam. Phenology: fruiting.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 5 air mi SSE fo Cottonwood.
On grass covered butte, soils are gravel and silty loam. Phenology: fruiting.

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

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

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6 air mi SSE of Scenic.
On a ridge in a Yucca glauca plant community, soils are silt loam and sand. Phenology: fruiting.

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

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 10 air mi SW of Wall and 1/4 mi due N of Badlands National Park boundary in Sage Creek.
Soils are silty loam. Phenology: fruiting.

U.S.A., Colorado, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: ca 15 air mi N of Dove Creek in Disappointment Valley, County Road K20.
Artemisia, Stanleya, and Astragalus with selenium odor, in gypsum soil, west-facing. Phenology: flowering & fruiting.
Accession: RM 713808

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Laramie River, ca 28 air mi SW of Laramie.
Rocky upland slopes. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Oak Creek, ca 14 air mi N of Beulah; ca 25 air mi NE of Sundance.
Dry Quercus-Pinus uplands with fine black sand. Phenology: fruiting.

U.S.A., Colorado, Larimer County: Roosevelt National Forest and Vicinity: Front Range: Pfister Draw State Wildlife Management Area: off Laramie River Road (County Road 103), ca 50 air mi NW of Fort Collins.
Flat Artemisia rangeland, with some dry red sandstone and white calcareous soils and marshy in draw bottom. Phenology: fruiting.
Accession: RM 766933

U.S.A., Wyoming, Albany County: Laramie, near City Springs.
41.3096° N, 105.5517° W; NAD 83, uncertainty 0.5 mi., Digital Map
In sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Platte Canyon on Seminoe Dam Road near Sinclair.
42.1558° N, 106.9084° W; NAD 83, uncertainty 0.5 mi., Digital Map
In sagebrush. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Satanka Formation: 4 mi W of Alcova on Wyo Hwy 220.
42.5568° N, 106.7878° W; NAD 83, uncertainty 1 mi., Digital Map
On red shale. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Near French Creek and its confluence with the Platte River.
41.1947° N, 106.5432° W; NAD 83, uncertainty 0.75 mi., Digital Map
Open shaley hills in valley. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: 15 mi W of Buffalo.
44.2898° N, 106.9494° W; NAD 83, uncertainty 1 mi., Digital Map
Gravelly banks. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Near the east side of Rawhide Buttes and W of U.S. Hwy 85.
42.5741° N, 104.4389° W; NAD 83, uncertainty 2 mi., Digital Map
Dry grassy hills. Phenology: fruiting.

U.S.A., Wyoming, Crook County: 15 mi SW of Devils Tower.
Occasional on grassy slopes. Phenology: fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Crook County: 2 mi S of Devils Tower.
Open slopes. Phenology: fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Albany County: Laramie Basin: Hutton Lake National Wldlife Refuge: south side of Lake George, ca 10 mi SW of Laramie.
Sandy-gravelly barrens on gently-dipping north side of low knoll in grassland of Poa secunda and Elymus lanceolatus surrounded by Distichlis grassland and Sarcobatus thickets. Phenology: flowering.
with Laura Welp

U.S.A., Wyoming, Albany County: West foothills Laramie Range: south branch of Spring Creek on north side of U.S. Hwy 30 at east end of Laramie.
Gravel bank in bottom of dry wash. Rock cover ca 40%, vegetative cover ca 30%. Low forb community dominated by Paronychia, Sedum lanceolatum, Geranium atropurpureum, and Rosa. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Laramie Range: Bates Creek Reservoir, ca 21 air mi SE of Casper.
Along reservoir edges. Phenology: fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Natrona County: Laramie Range: E of Little Red Creek on the southwest side of Casper Mountain, ca 10.5 air mi SW of Casper.
Steep, rocky slope with juniper. Phenology: fruiting.

U.S.A., Colorado, Saguache County: San Luis Valley: Villa Grove.
Phenology: vegetative only.
Accession: RM 140159

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

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

U.S.A., Colorado, Larimer County: Horsetooth.
Phenology: fruiting.
Annotated by C. L. Porter in 1950.
George E. Osterhout, 713. 7/16/1895.

U.S.A., Colorado, Otero County: La Hunta [La Junta].
Phenology: fruiting.
Annotated by B. E. Nelson in 1979.
George E. Osterhout, s.n.. 6//1909.

U.S.A., Colorado, Boulder County: 1.1 mi S of intersection of CO Hwy 362 and I-70.
Uncommon in gravelly pasture with Yucca and Artemisia. Phenology: flowering.

U.S.A., Colorado, Saguache County: San Isabel National Forest: Raspberry Creek.
Common on 10% southwest sandy slope in oak brush. Phenology: fruiting.
Accession: USFS 502206

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: 0.5 mi SW of Camping Headquarters.
Common on gravel road in dry plains. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Morton Pass and N and NE to 0.7 air mi.
Calcareous substrate with short strip of granite. Phenology: fruiting.
with Timothy W. Chumley

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

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 31 mi NNW of Gillette on U.S. Hwy 14-16, then 11.4 mi NNE on Recluse-Olmstead Creek Road, 2.5 mi E of road, ca 8 1/4 mi NE of Recluse.
Sparse in clay of sagebrush-grassland with Koeleria, Agoseris, and Lomatium. Phenology: fruiting.
with Linda Nelson

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

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 9.5 mi S of Guernsey, ca 13 air mi NE of Wheatland, W of Cottonwood Draw.
Sparse in sandy soil covered with limey conglomerate in rough breaks with Parthenium alpinum, Cercocarpus montanus, and Psoralea. Phenology: fruiting.
with Paul Ehrmann

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain and vicinity: ca 1.5 mi N of Red Mountain summit, ca 27.5 air mi SW of Laramie.
Phenology: flowering.
with Linda Shoemaker

U.S.A., Wyoming, Johnson County: Big Horn Mountains: ca 15.5 air mi WSW of Kaycee, ca 2 mi W of Barnum on Wyo Hwy 190-Barnum Road then on Barnum Mountain Road.
Rocky slopes. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: in the canyon along the North Fork Crazy Woman Creek, ca 13.5 air mi SW of Buffalo.
Dry canyon slopes. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Keyhole Reservoir near campground SE of dam, ca 11.8 air mi NE of Moorcroft.
Pine forest with sandstone outcrops. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Rolling plains and rocky outcrop; open plains. Phenology: fruiting.
with Ronald L. Hartman

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Steeply eroded valley, sandy slopes, rock outcrops, slopes with ponderosa pine; sandy slope. Phenology: fruiting.
with Ronald L. Hartman

U.S.A., Wyoming, Campbell County: Powder River Basin: south ridge of Powder River, ca 2 mi E of Sheridan County.
Sandy, rocky slope, with juniper, plains at summit; open juniper-covered slope. Phenology: flowering & fruiting.
with Ronald L. Hartman

U.S.A., Wyoming, Campbell County: Powder River Basin: Porcupine Creek; ca 15 air mi SSE of Reno Junction.
Creek margins and adjacent sandy flats; plains. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Rocky slopes, stream margins, ponderosa pine woodland, juniper slopes; plains. Phenology: fruiting.

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

Ponderosa pine slopes, eroded plains; plains. Phenology: fruiting.
with Ronald L. Hartman and Mary Alice Sanguinetti.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 6.5 air mi SW of Rockypoint.
Deep ravine in ponderosa pine covered uplift, slopes; slopes. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11 air mi NW of Weston.
Rocky slope, clinker outcrops, plains, ravine, wet soil in draw, below holding dam; plains. Phenology: fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 20 air mi N of Spotted Horse.
Pine covered ridges, ravines, loose talus slopes, grassland, slopes; rocky slope. Phenology: fruiting.
with Mary Alice Sanguinetti

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

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 13 air mi NW of Kaycee.
Sandy sagebrush plain, sandstone outcrop; plains. Phenology: fruiting.

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

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Rolling, hilly plains over scoria base, occasional outcrops, rocky pine slopes; plains. Phenology: fruiting.

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

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: fruiting.
with Greg Brown

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain Area: 6-6.5 air mi S of summit of Jelm Mountain; along or adjacent to Maggie Creek.
Rolling sagebrush slopes and stream drainage. Phenology: flowering.

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; plains.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 12 air mi NE of Weston.
Ponderosa topped hills and flats below. Phenology: fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

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

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

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: above Fetterman Creek along Wyo Hwy 93, in North Platte River drainage, ca 10.5 air mi NW of Douglas.
Sagebrush-sedge-grassland. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along and above Government Creek just above confluence with Dugout Creek, ca 8.8 air mi W of Midwest.
Greasewood flats. Phenology: flowering.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Rough breaks with scattered juniper and ponderosa pine and interspersed sandy areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Thunder Basin National Grasslands: along Steinle or County Road 40, ca 8 air mi NE of Bill; ca 41 air mi NNE of Douglas.
Sparsely vegetated clay and sandy clay eroded slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: at the head of Webb Canyon on Wyo Hwy 270, ca 4.5 air mi N of Hartville; ca 8.5 air mi N of Guernsey.
Stony calcareous slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horseshoe or County Road 59 at Sand Draw S of Horseshoe Creek, ca 9.5 air mi SW of Glendo; ca 27.5 air mi NNW of Wheatland.
Coarse sand - fine gravel soil in sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Platte County: Laramie Mountains: along Harris Park or County Road 210 ca 1 air mi N of Cottonwood Creek, ca 2 air mi E of Albany County; ca 16 air mi SW of Glendo; ca 24 air mi NW of Wheatland.
Moist area in sagebrush-grassland/ponderosa pine forest. Phenology: flowering.

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

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Stream bed and sandy plains. Phenology: fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Alkaline depression and adjacent sandy rise. Phenology: fruiting.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sawatch Mountains: along Round Hill Gulch, ca 2 air mi SSE of Poncha Pass; ca 21.5 air mi N of Saguache.
Stony sagebrush slopes and open ridgetop. Phenology: fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Rainbow Trail from Gibson to Swift creeks, ca 2.5 air mi NE of Spread Eagle Peak, ca 6 air mi W of Westcliffe.
Stony meadows, mixed conifer forest, and along a stream. Phenology: fruiting.
Annotated by Brian Elliott.
with Charity Hall, Brian Jacobs, and Alex Morgan

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

U.S.A., Wyoming, Weston County: Powder River Basin: ridge between Stockade Beaver and Whoopup Creeks, ca 11.5 air mi SSE of Newcastle.
Sandstone ridge with scattered ponderosa pine and juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: Elk Mountains: at the South Dakota state line, ca 14 air mi SE of Newcastle.
Ponderosa pine slopes and small grassy openings. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Keyhole Reservoir, road to campground E of Cottonwood Creek arm; ca 12 air mi NE of Moorcroft.
Big sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Little Missouri River Valley ca 8.5 air mi N of Seely.
Sagebrush-grassland on Skull Creek shale. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains, East Fork Blacktail Creek; ca 9.5 air mi SE of Hulett.
South and east facing slopes below sandstone cliffs with scattered pines. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: The Brakes, ca 2.8 air mi SSE of Aladdin.
Open, grassy ridge top; sandy soil. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountain, headwaters of Oak Creek, Mitchell Spring; ca 4 air mi NE of Alva.
Roadside in grassland. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Keyhole Reservoir near campground SE of dam, ca 11.8 air mi NE of Moorcroft.
Ponderosa Pine forest with sandstone outcrops. Phenology: fruiting.

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

U.S.A., Wyoming, Crook County: Black Hills: Dugout Gulch near confluence with Sand Creek, ca 4.7 air mi SSW of Beulah.
Deciduous woods along creek. Phenology: flowering & fruiting.
with Bertha Gillam and Sherry Bashor

U.S.A., Wyoming, Crook County: Black Hills: Miller Creek, Garman Ranch; ca 9.3 air mi SSE of Devils Tower.
Pine ridge with grassland understory. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: Soldier Springs and Reservoir; ca 2.5 air mi NE of Four Corners.
Pine forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Ponderosa pine forest on sandstone ridge W of canyon; grassy opening. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: Thomson Canyon near state line; ca 8.5 air mi NE of Newcastle.
Open ponderosa pine forest, west facing slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Sagebrush-grassland on top of divide. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Hain Spring (off Lost Canyon), ca 9.5 air mi NNE of Four Corners.
Open south-facing slope between ponderosa pine forest and meadow. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Inyan Kara Mountain (east half).
Grassy east facing slope on outer mountain. Phenology: fruiting.

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

U.S.A., Wyoming, Weston County: Black Hills: Cold Springs Creek near state line; ca 7 air mi NE of Four Corners.
Grassland on south facing slope. Phenology: fruiting.

Grassland with big and silver sagebrush (Artemisia cana and A. tridentata). Phenology: fruiting.

U.S.A., Wyoming, Weston County: Black Hills: Summit Ridge near lookout (W of Boles Canyon), ca 7.5 air mi E of Newcastle.
Grassy opening in pine forest on ridgetop, rocky soil (limestone). Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Spottedtail Gulch, ca 10 air mi S of Beulah.
Prairie hillside. Phenology: flowering & fruiting.

Grassy hillside in ponderosa pines. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: drainage from Geis Springs to 1.5 mi to the NE, ca 5-6 air mi E of Alva.
Pine woodlands, shaded ravines, logging roads, sandy open slopes, and pond; sandy slope. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Crook County: Black Hills: Boundary Gulch, ca 6 air mi S of Beulah.
Moist stream bottom with Pinus ponderosa dominated sandy slopes; partly open sandy slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Buckley Canyon, ca 10.5 air mi SE of Sundance.
Wooded ridge (Pinus ponderosa) with sandstone outcrops, sandy slopes, and meadow; sandy slope. Phenology: flowering & 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: flowering & fruiting.

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

U.S.A., Wyoming, Crook County: Keyser Ranch near Sundance.
T51N R63W S12
Phenology: flowering & fruiting.
with H. F. Eppson

U.S.A., Wyoming, Crook County: 8 mi NW of Hulett.
T53N R65W S18
On prairie. Phenology: flowering.

Astragalus crassicarpus var. paysonii ()
U.S.A., Wyoming, Weston County: Near 4 corners.
T48N R61W S35
Phenology: flowering & fruiting.
Harold F. Eppson, s.n.. //.
with C.S. Gilbert

U.S.A., Wyoming, Crook County: 15 mi S of Sundance: Inyan Kara Creek crossing of Wyo Hwy 585.
Pinus ponderosa zone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Devils Tower National Monument: South of Campground..
Somewhat common on disturbed sandy alluvial soil. Phenology: flowering.

U.S.A., Wyoming, Crook County: Devils Tower National Monument; along southside trail above prairie dog town.
Occasional on sandy soil on S-facing slope with Pinus ponderosa, Andropogon scoparius. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Devils Tower National Monument. Grassland above eroded slopes of Redbeds.
Somewhat common on red shale soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills; Dugout Gulch, ca 5 air mi S of Beulah.
Symphoricarpos meadow in canyon bottom. Phenology: flowering.

U.S.A., Wyoming, Crook County: 3 mi NW of Hulett.
Clay hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Keyhole Reservoir, McKean site.
Pine ridge. Phenology: fruiting.
William Latady, 72. 6/8/1984.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: E of Sage Creek at the forest-Crow Indian Reservation boundary, ca 19 air mi ESE of Bridger.
Moist slope of draw with scattered conifers. Phenology: flowering.
Annotated by B. E. Nelson.
Accession: USFS 883101, Barcode: USFS0051667

U.S.A., Colorado, Baca County: Comanche National Grassland: along County Road 8 ca 2 air mi S of abandoned Kirkwell Post Office, ca 26.5 air mi SW of Springfield.
Roadside and adjacent rangeland. Phenology: fruiting.
Annotated by B. E. Nelson.
with Bernadette Kuhn

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 19 air mi SSW of Springfield.
Grazed pasture dominated by Buchloë, Psoralea, and Hordeum, between windmills. Phenology: fruiting.
Annotated by Bernadette Kuhn.
Bernadette Kuhn, 763. 6/7/2007.

U.S.A., Colorado, Baca County: Comanche National Grassland: just N of the North Fork Cimarron River, ca 15 air mi SSE of Vilas.
Shortgrass prairie dominated by Buchloë dactyloides and Bouteloua spp. Phenology: fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Baca County: Comanche National Grassland: Carrizo Canyon.
Lush canyon dominated by Rhus aromatica. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 10 air mi SSW of Springfield.
Shortgrass prairie with wet draw. Phenology: fruiting.

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

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: ca 4 air mi SW of Nye, along Stillwater River.
Roadside park along the river and adjacent limestone outcrop. Phenology: fruiting.
Accession: USFS 865095, Barcode: USFS0045587

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Wick Brothers Wildlife Management Area: above and E of Wagonhound Creek and ca 1/2 to 3/4 air mi S of I-80, ca 7 air mi SE of town of Elk Mountain.
Rocky clay slopes. Sheet 1 of 2 Phenology: fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: near the end of BLM Road 3431 above the Laramie River Canyon, ca 5.5 air mi S of Woods Landing; ca 29.8 air mi SW of Laramie.
Steep red slopes with scattered ponderosa and limber pines. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: N of Sunrise Creek at the south base of Jelm Mountain, ca 1 air mi NW of Ring Mountain, ca 26.7 air mi SW of Laramie.
Rocky ridgetop. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: southwest foot of Sheep Mountain, just NE of County Road 47 (Fox Creek Road), ca 0.5 air mi SE of intersection of County Road 47 and Forest Road 517 (Dry Park Road), ca 26 air mi SW of Laramie; ca 9 air mi SE of Centennial.
Moist sagebrush with grass and scattered limber pine. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Ring Mountain, ca 9 air mi SSE of Woods Landing and ca 28 air mi SW of Laramie.
Lower, sagebrush dominated slopes of the mountain. Phenology: fruiting.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: ca 0.2-0.5 air mi NE of Silver Cliff along County Road 255.
Grasslands. Phenology: fruiting.
Annotated by Brian Elliott.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: Wickham Gulch in the vicinity of Wickham Spring No. 1, ca 5.5 air mi NW of Camp Creek, SD.
Slopes in an old burn. Phenology: fruiting.
with Hans Hallman
Accession: USFS 887045, Barcode: USFS0052370

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: draws W amd S of Lena Spring No. 1 and adjacent tableland ca 1 air mi E of Saddle Point, ca 17.5 air mi E of Buffalo.
Sides and bottom of steep hardwood draws. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland District: on the divide between East Fork Otter Creek and Wilbur Creek on Wilbur Creek (Forest Road 4775), ca 13 air mi E of Ashland.
Meadow and logged area. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: ca 0.5 air mi W of SD Hwy 79 on South Divide or Forest Road 3148, in and around Deer Draw, ca 23 air mi SE of Buffalo.
Ponderosa pine-dominated upland slope. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: between Sawmill Canyon and Devils Canyon, ca 6.5 air mi WNW of Ludlow.
Open sagebrush grassland. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: in draw and on mesa just N of Forest Road 123, ca 0.5 air mi W of Picnic Spring, ca 6.5 air mi WNW of Ludlow.
Grass-dominated mesa. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: near terminus of eastern-most fork of North End or Forest Road 3124 in and around Mitchell Draw near Lena Spring Number 2, ca 3.5 air mi N of Reva Gap, ca 17.5 air mi E of Buffalo.
Sandy, rocky slope above hardwood draw. Phenology: fruiting.
with Grace Kostel, B. E. Nelson

U.S.A., South Dakota, Harding County: East Short Pine Hills: ca 0.5 air mi N of Forest Road 3111, ca 6 air mi E of Harding.
Grasslands interspersed with badlands. Phenology: fruiting.

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

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

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: King Mountain Hiking and Riding Area: in and around East Fork O' Dell Creek ca 2.5 air mi E of O' Dell Creek or Forest Road 4131, ca 12.5 air mi S of Ashland.
Partially burned ponderosa pine-dominated upland. Phenology: fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: in and around Brewer Reservoir, just W of Forest Road 3036, ca 13.5 air mi WNW of Camp Crook, SD.
On and around a chalky bluff sparsely wooded with ponderosa pine and dominated with grasses. Phenology: fruiting.

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

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: in upper Cheesman Draw, just S of Forest Road 3045, ca 8 air mi WNW of Camp Crook, SD.
In unburned draw within historic burn, dominated by quaking aspen and ponderosa pine. Phenology: flowering.

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

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: E of Forest Road 4775, ca 1.5 air mi SE of East Fork Otter Creek Road, ca 2.5 air mi SSW of Holiday Campground, ca 13.5 air mi E of Ashland.
Ponderosa pine-dominated forest with scattered rock outcrops and grass-dominated openings. Phenology: fruiting.

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

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

U.S.A., Montana, Valley County: Off of Theony Road at Lighthouse Hill BM and vicinity above Chambers and First coulees, ca 19 air mi W of Opheim.
Grassland with silver sagebrush. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: In the vicinity of Saskview Reservoir N to Saskatchewan, ca 18 air mi NW of Opheim.
Grassland with scattered siver sagebrush. Phenology: flowering & fruiting.
with Joseph L. M. Charboneau

U.S.A., Montana, Phillips County: Little Rocky Mountains: above the old Landusky Mining Camp and just below the Zortman-Landusky Gold Mine on the south side of Gold Bug Butte, ca 47 air mi SW of Malta.
Open slopes. Phenology: flowering.
with Joseph L. M. Charboneau

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

U.S.A., Montana, Valley County: Along Bluff Creek Road between Hardpan Coulee and East Fork Crow Creek, ca 35 air mi N of Hinsdale; ca 52 air mi NNW of Glasgow.
Stony grassland with scattered silver sagebrush and a heavy ground cover of Selaginella. Phenology: fruiting.

U.S.A., Montana, Phillips County: N of Sunnyslope Road, ca 7 air mi WSW of the Morgan Port of Entry, ca 12 air mi NNW of Loring; ca 42 air mi NNW of Malta.
Grasslands on clay soil. Phenology: fruiting.
Joseph L. M. Charboneau, 2023. 7/22/2010.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 1 mi S of Poncha Pass at the junction of County Road XX-50 and U.S. Hwy 285.
Artemesia tridentata with small stands of Populus tremuloides, Picea pungens, and Pseudotsuga menziesii. Phenology: fruiting.
with Elizabeth Mark

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: from ca 1 mi E of Alder E to Decker Creek at the forest border.
Riparian with Artemisia tridentata and stands of Quercus gambellii. Phenology: fruiting.
with Elizabeth Mark

U.S.A., Montana, Valley County: Along Rock Creek Road at the south edge of Rock Creek Flats, ca 5 air mi S of Thoeny; ca 24 air mi W of Opheim.
Plains grassland with scattered silver sagebrush on stony soil. Phenology: fruiting.

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

U.S.A., Montana, Phillips County: At the corner of Grabofsky and North Sunnyslope roads, 1 mi S of Saskatchewan, ca 45 air mi NNW of Malta.
Rolling plains grassland with swales. Phenology: fruiting.

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

U.S.A., Montana, Phillips County: Turkey Track Hill, NW of the end of the paved portion of Mont Hwy 243, ca 1 air mi N of the Milk River, ca 7 air mi N of Saco; ca 28 air mi ENE of Malta.
Mixedgrass grasslands with spikemoss and fringed sage on stony clay soil. Phenology: flowering.
Joseph L. M. Charboneau, 3962. 5/22/2011.

U.S.A., Montana, Phillips County: S of U.S. Hwy 191, W of Alkali Creek, ca 2.5 air mi N of Halfway Coulee, ca 9 air mi SW of Malta.
Silver sagebrush-grasslands on loamy soil with spikemoss and fringed sage. Phenology: flowering.
Joseph L. M. Charboneau, 3992. 5/22/2011.

U.S.A., Montana, Valley County: Shufeldt Ridge, E of Hill Ranch Road, ca 1 air mi SE of Two Forks Reservoir, ca 24.5 air mi WSW of Fort Peck; ca 28 air mi SSW of Glasgow
Sagebrush-grasslands on hills with loamy to clay soil. Phenology: flowering.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: Fifth Ridge and Sixth Coulee S of The Pines Road (Refuge Road 102) ca 2 air mi SSW of Berger Reservoir, ca 24 air mi SW of Fort Peck; ca 24.5 air mi SSW of Glasgow.
Sagebrush-grasslands on clay soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Dunbar Coulee, S of North Whitewater Road, ca 5 air mi WNW of Salsbery Reservoir, ca 7.5 air mi NNE of Whitewater; ca 46 air mi NNE of Malta.
Grasslands with fringed sage and spikemoss on clay soil. Phenology: flowering.

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

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: County Road 360, ca 12 air mi NNW of Gardner.
Southwest exposure with volcanic outcrops and scattered pinyon and ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: E of Sage Creek at the forest-Crow Indian Reservation boundary, ca 19 air mi ESE of Bridger.
Moist slope of draw with scattered conifers. Phenology: flowering.
Accession: (unaccessioned), Barcode: USFS0047659

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: ca 0.5 air mi W of SD Hwy 79 on South Divide or Forest Road 3148, in and around Deer Draw, ca 23 air mi SE of Buffalo.
Ponderosa pine-dominated upland slope. Phenology: fruiting.
Accession: (unaccessioned), Barcode: USFS0050685

U.S.A., Montana, Madison County: Madison River and foothills of Gravelly Range: ca 21 air mi S of Ennis, ca 13 air mi NE of Black Butte, ca 1 air mi SW of BLM Ruby Creek Campground.
Grasslands on east-facing slopes. Phenology: flowering.
1. Astragalus crassicarpus Nutt. var. paysonii (E. H. Kelso) Barneby.

U.S.A., Montana, Madison County: Sweetwater Creek, ca 24 air mi ESE of Dillon, ca 9 air mi S of Ruby River Reservoir.
Rocky grasslands on gentle slopes. Phenology: flowering.
1. Astragalus crassicarpus Nutt. var. paysonii (E. H. Kelso) Barneby.

U.S.A., Montana, Madison County: Gravelly Range: Wall Creek, ca 23 air mi S of Ennis, ca 11 air mi NE of Black Butte.
Rocky Pseudotsuga menziesii woodland. Phenology: flowering.
1. Astragalus crassicarpus Nutt. var. paysonii (E. H. Kelso) Barneby.

U.S.A., Montana, Madison County: Madison Range: Taylor Hilgard Unit of Lee Metcalf Wilderness: North Fork Bear Creek and Cameron Creek, ca 3-5 air mi NW of Sphinx Mountain, ca 14-15 air mi SE of Ennis.
Dry, rocky Juniperus scopulorum woodland on south-facing slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Ca 13 mi N of Guernsey.
42° 27.1' N, 104° 46' W; unknown, , GPS reading
Dry wash, with Pinus ponderosa and Packera. Phenology: buds.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Wick Brothers Wildlife Management Area: above and E of Wagonhound Creek and ca 1/2 to 3/4 air mi S of I-80, ca 7 air mi SE of town of Elk Mountain.
Rocky clay slopes. Sheet 2 of 2 Phenology: vegetative only.

U.S.A., Wyoming, Platte County: 20 mi SW of Wheatland; mountain pass on Wyo Hwy 26.
East facing slope; stony loam; rocky hillside. Phenology: fruiting.
Annotated by Duane Isely on 7//1976.
with B. I. Judd

U.S.A., Wyoming, Carbon County: Between McFadden and Arlington.
Phenology: flowering.
with Harold F. Eppson

U.S.A., Wyoming, Albany County: Sheep Mountain.
T15N R77W
Mesa Verde formation, non-seleniferous.. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Great Divide Basin and Adjacent Regions: Devils Gate, along the Sweetwater River near the Sun Bell Ranch.
Dry soils in short-grass prairie. Occasional Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: Little Goose Valley.
Stony creek bottom. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Black Thunder Strip Mining Area: North Prong of Thunder Creek and Little Thunder Creek.
Old field; crested wheatgrass, big sagebrush, Western wheatgrass, blue grama; loamy, shallow clayey soil, Thedalund and Cushman Series. Phenology: fruiting.
Annotated by Duane Isely on 7//1976.
with Darold W. Sabinske

U.S.A., Wyoming, Carbon County: Ca 19 air mi SE of Encampment.
With Atremisia tridentata. Locally abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie.
Loose soil; plains. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Eastern Slope Big Horn Mountains: ridge E of Poison Creek Canyon, ca 21 air mi SSW of Buffalo.
Grassy limestone talus and boulder slope in semi-open ponderosa pine forest. Fruit large, grape-like. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Sheep Mountain: near Johns Creek.

U.S.A., Wyoming, Niobrara County: Lusk: Eugene P. Willson Ranch; foot of Limestone Ridge E of ranch house.
T33N R64W
1. Astragalus succulentus Richardson
Annotated by C. L. Porter in 1963.

U.S.A., Wyoming, Laramie County: Pole Creek near Table Mountain.

U.S.A., Wyoming, Carbon County: Near Arlington on McFadden Arlington Road.
with C. S. Gilbert

U.S.A., Wyoming, Carbon County: 5 mi N of Medicine Bow.
T23N R78W S16-S21 line
Barren red hills with Eriogonum, Erigeron. Corolla white, keel & wings purple tinged. Phenology: flowering.

U.S.A., Wyoming, Albany County: Sheep Mountain.
Fine textured red sandy soil, growing on Chugwater formation. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Shirley Basin: foothill ridges at northeast end of Shirley Mountains, ca 0.5 mi SE of Sullivan Creek, ca 4 air mi W of Pine Hill, ca 5 1/4 mi S of County Road 102 (Leo Road).
North side of hogback ridge in Cercocarpus montanus shrub thicket with understory of Artemisia nova and Elymus spicatus on reddish sandy gravel below limestone cap. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Shirley Basin.
T28N R77W S19; also S30

U.S.A., Wyoming, Albany County: West slope of Sheep Mountain.
On selenium soil. Pods fleshy, 2-celled. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Little Laramie River.
Rocky hillocks along the river. Phenology: flowering.
Leslie N. Goodding, 3. 6/15/1901.

U.S.A., Wyoming, Albany County: W of Sheep Mountain.
Seleniferous soil. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Centennial Valley.
2. Astragalus succulentus Richardson
Annotated by Gerald B. Ownbey on 12//1939.

U.S.A., Wyoming, Albany County: Laramie.
Plains. Phenology: flowering.
2. Astragalus succulentus Richardson
Annotated by Gerald B. Ownbey on 12//1939.

U.S.A., Wyoming, Carbon County: 0.5 mi NW of the Little Medicine Bow River at Wyo Hwy 487, ca 5 mi N of town of Medicine Bow.
Common: flowers white with purple at base of wings; taprooted. Phenology: flowering.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Old roadcut with original grasslands along fences; sandy soil. Phenology: fruiting.

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

U.S.A., Wyoming, Laramie County: Pine Bluffs.
41.1764° N, 104.0815° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Little Horse Creek, ca 4 mi W of Meriden near silo PA-5.
Annotated by B. E. Nelson in 1987.
with J. Von Loh

U.S.A., Wyoming, Sheridan County: Sheridan hills.
Clay slopes. Phenology: fruiting.
Annotated by Ronald L. Hartman in 1971.

U.S.A., Wyoming, Platte County: Near mouth of Elkhorn Creek.
Sand and gravel flat with Erigeron, Erysimum. Corolla white tinged with lavender. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Hanna Creek hills.
Poor gravel soil. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie.
Plains. Phenology: fruiting.
Annotated by Gerald B. Ownbey on 12//1939.

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

U.S.A., Wyoming, Albany County: Laramie Hills.

U.S.A., Wyoming, Albany County: E of Laramie.
Among the rocks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Hills.
Aven Nelson, s.n.. 6//1893.

U.S.A., Wyoming, Platte County: Wheatland Cut-off road.

U.S.A., Wyoming, Albany County: Laramie Hills.
Rocky soil. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Foothills of West Slope Larame Range: adjacent to Roger Canyon Road, 2.5 air mi N of Laramie city limits.
Open, grassy sagebrush meadow. Phenology: fruiting.
Jane Struttmann, 5. 6/4/1991.
with Walter Fertig

U.S.A., Wyoming, Albany County: East of Laramie near City Springs.
Roadside, in sandy soil. Flowers cream with purple-tipped keel. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Near Laramie.

U.S.A., Wyoming, Albany County: Little Laramie River.
Stony hillsides near river. Phenology: flowering.
Leslie N. Goodding, 3. 6/15/1901.

U.S.A., Wyoming, Albany County: Laramie Plains.

U.S.A., Wyoming, Albany County: Centennial.

U.S.A., Wyoming, Albany County: Rock River.
On stony uplands. Not infrequent; showy spreading clumps. Ecological Survey of Vegetativ Succession Under Irrigation Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: East of Laramie, near City Springs.
Roadsides, in sandy soil. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: Walsh Ranch parcel; north end of transect ca 820 m due W of Range Guard 4, ca 8.3 km NE of Guernsey Reservoir.
Elev. 1555 m.
West-facing slope; grassland with gravel break; silty loam; with Lappula redowskii, Poa pratensis, Bromus tectorum, Pascopyrum. Local; sprawling, perennial herb; 3-4 dm long. Phenology: flowering & fruiting.
with P. Block

U.S.A., Wyoming, Platte County: Camp Guernsey: ranch parcel small canyon drainage; south end of transect ca 2.9 km due N of Range Control, ca 6.4 km NE of Guernsey.
Elev. 1445 m.
Level to sloping on each side of drainage; grassland in canyon drainage; silty loam with gravel to cobbles; with Hesperostipa comata, Agropyron cristatum, Pascopyrum smithii, Achillea millefolium, Bromus japonicus, Bromus inermis. Ascending to erect, perennial herb; 3 dm tall. Phenology: flowering & fruiting.
with P. Block

U.S.A., Wyoming, Platte County: Camp Guernsey: Baldy Mountain, ca 3.8 km E of North Platte River.
Rocky slopes and ridgetops; pine/juniper woodland and upland Artemisia shrubland; limestone cobbles to sandy loam with sandstone cobbles; with Artemisia nova, Hymenoxys acaulis, Juniperus scopulorum, Pinus ponderosa, and Poa spp. Infrequent; decumbent, taprooted perennial herb; to 30 cm in diameter; corolla white to lavendar. Phenology: flowering & fruiting.
Patricia P. Douglas, 214. 6/14/1995.
with B. E. Nelson, Carlos A. Popolizio, Rosalie M. Smith

U.S.A., South Dakota, Custer County: Ca 15 mi SW of Custer.
Grassland with Koeleria, Elymus, Artemisia frigida. Phenology: fruiting.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: off County Road 403 along Forest Road 893 and 891, ca 5 air mi S of town of Lake George.
In moist, open meadow and along the edge of ponderosa pine woods. Phenology: flowering & fruiting.
with Irene Thien
Accession: (unaccessioned)

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Mosquito Range: Pony Park off Pony Creek or Forest Road 433, ca 1.5 air mi W of intersection with U.S. Hwy 285, ca 4 air mi NNW of Antero Junction; ca 10.2 air mi WSW of Hartsel.
On slopes of a grassy hill. Phenology: fruiting.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Rice Gulch off BLM Deer Park Trail Road 5826 or County Road 347, from parking area at locked private gate, ca 11.7 air mi SW of Cripple Creek.
In ponderosa pine along running stream. Phenology: flowering.
Timothy W. Chumley, 585. 6/5/1995.