Solanum rostratum (2002)
SOLANACEAE
Solanum rostratum Dunal
U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: along County Road on the divide between Snyder and Dogie drainages, ca 23 air mi N of Lance Creek; ca 40.5 air mi NNW of Lusk.
Roadside. Phenology: flowering & fruiting.
Annotations:
1. Solanum rostratum Dunal
Annotated by Peter J. Ebertowski.
Accession: RM (unaccessioned)

Solanum rostratum (2002)
SOLANACEAE
Solanum rostratum Dunal
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.
Side of road in grassland. Phenology: flowering.
Peter J. Ebertowski, 1290. 7/7/2002.
Accession: RM (unaccessioned)

Solanum rostratum (2002)
SOLANACEAE
Solanum rostratum Dunal
U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge W of Alkali Creek on Roxson or County Road 73, ca 26 air mi SSW of Newcastle; ca 41 air mi SSE of Upton.
Reservoir. Phenology: flowering.
Peter J. Ebertowski, 1427. 7/9/2002.
Accession: RM (unaccessioned)

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Clareton Oil Field W of Bruce or County Road 7C, ca 28 air mi WSW of Newcastle; ca 30 air mi SSW of Upton.
Disturbed soils in grassland. Phenology: flowering.
Peter J. Ebertowski, 702. 6/26/2002.

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.
Creek bed. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge W of North Fork Lone Tree Creek, on two track road off Wyo Hwy 450, ca 20 air mi WSW of Newcastle; ca 24 air mi S of Upton.
Roadside in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Lone Tree Creek, on Grieves or County Road 5, ca 20 air mi WSW of Newcastle; ca 27 air mi S of Upton.
Grassland, Stipa comata and Bouteloua gracilis abundant. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Raven Creek, on County Road 26, ca 14 air mi S of Moorcroft; ca 18 air mi W of Upton.
Roadside in sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Shadow Mountain Lake: Green Ridge Forest Service Work Station, ca 2.5 air mi SW of Grand Lake.
Elev. 8400 ft.
Open disturbed areas and lakeside. Phenology: flowering.

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

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 17 air mi SE of Hermosa and 12 air mi ESE of Fairburn and 0.5 mi E of County Road 19 near French Creek.
On side slopes and in drainages of creek with sand and gravel soil. Phenology: flowering.

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

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 19-19.5 air mi SE of Hermosa and 2 air mi SW of Red Shirt and 0.5 miW of SD Hwy 40.
In prarie dog town with soils of silt and clay. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 5 air mi. N of U.S. Hwy 18 in large side drainage of Moss Agate Creek; left of School Section follow trail across Moss Agate Creek and left up ridge in a SW direction, 0.75 mi from creek bottom.
Elev. 3200 ft.
Soils are gravelly, rocky at top of slopes and grade into silt and clay with clay alkali at creek bottom. 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.
Rock slopes and buttes of Juniper leading into clay based drainages. Phenology: flowering.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 15 mi N of Crawford and on Forest Road 919.
Draw. Phenology: flowering & fruiting.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 6.5-7 mi NNW of Crawford in Sand Creek.
Elev. 3600 ft.
Populous deltoides - Salix plant community with wet, heavy clay soils. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 18 air mi ENE of Hermosa and 0.5 mi E of County Road 121.
On prairie dog town complex, east bank of draw. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 21 air mi ENE of Hermosa and 0.5 mi E of Forest Road junction 7068 and 7067.
On rock beds and side slopes of shale and silt. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 22 air mi ENE of Hermosa and 1 mi W of Swinehart Hill on Rapid Creek.
On the banks of the creek. Phenology: flowering.

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

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 21 air mi SE of Hermosa.
On clay hardpan soils of prairie dog town. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 15.5-16 air mi SSE of Hermosa, French Creek.
Along banks of creek. Soils are silty and mucky in creek bottom. Phenology: fruiting.
with Steve Popovich

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 8-8.5 air mi SSE of Wall.
In creek drainage with clay soils. Phenology: flowering & 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: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 5.5 air mi SE of Scenic in Big Hollow Creek.
Soils are unstable, gravel and clay streambed. Phenology: flowering & fruiting.

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

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 9-9.5 air mi ESE of Fairburn in the Fairburn Agate/Rock beds.
Rock substrate with clay soil interstices. Phenology: flowering & fruiting.
with Don Hazlett

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 16 air mi NE of Hermosa and 3/4 mi SE of Thompson Butte.
In rolling prairie uplands with rock strewn vegetated bluffs, soils are silt clay to clay loam. Phenology: flowering & fruiting.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 10.5 air mi SE of Cottonwood in Yellow Draw.
Around perimeter of reservoir, soils are loamy clay. Phenology: flowering & fruiting.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 2 1/4 air mi WSW of Kadoka, Kadoka Lake.
On the shores near and around lake, soils are clay loam. Phenology: flowering & fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 17 air mi SSE of Wall in Conata Basin.
At site of large reservoir, soils are white mucky clay. Phenology: flowering & fruiting.
with David Jones

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 16.5 air mi SW of Kadoka.
In a deep-cut stream channel in badlands floodplain. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Hoback Canyon: west side of Hwy 191, ca 3 air mi SE of Hoback Junction.
Roadside weeds with Bromus inermis, Melilotus officinalis. Phenology: flowering.
Accession: RM 727233, Barcode: RM0280613

U.S.A., Wyoming, Platte County: Wetlands and Adjacent Areas: Antelope Creek and pond formed by damming, ca 14 air mi NNW of Chugwater.
Dry uplands. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Between Carpenter and Pine Bluffs.
41.1565° N, 104.2214° W; NAD 83, uncertainty 2 mi., Digital Map
Occasional weed in corn fields. *might be ca 5,200 ft* Phenology: flowering & fruiting.
with Marjorie W. Porter
Accession: RM 256064, Barcode: RM0280645

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: Pecos River at prominent oxbow, 5 air mi ENE of Villanueva.
Grazed, north, sedimentary bank of river dominated by Russian olive. Phenology: flowering & fruiting.
Accession: RM 816480, Barcode: RM0123827

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: 5 air mi ENE of Villanueva. N35.2365 W105.2558 to NE 0.5 air mi along Pecos River.
River bottom, mostly juniper with Russian olive and narrowleaf cottonwood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: along Shoshoni Cutoff Road, 1 mi N of Wyo Hwy 136, 1/2 mi ENE of Croft ranch, ca 17 air mi E of Riverton.
Occasional on roadside with Solanum triflorum, Amaranthus blitoides, and Munroa squarrosa. Phenology: flowering.

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

U.S.A., Wyoming, Platte County: Whalen Canyon.
Phenology: flowering.

U.S.A., Wyoming, Goshen County: Pratt.
41.9997° N, 104.0639° W; NAD 27, uncertainty 3 mi., Nat. Geog. TOPO!
Sandy plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Wheatland.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: 10 mi N of Fort Laramie.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: LaPrele Creek at Ayers Natural Bridge, ca 12 air mi WSW of Douglas.
Common on gravel roadsides. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Between Manville and Lance Creek.
42.9054° N, 104.6309° W; NAD 83, uncertainty 8 mi., Nat. Geog. TOPO!
Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Shore of Glendo Reservoir.
T29N R68W
with C. S Gilbert

U.S.A., Wyoming, Platte County: Guernsey Reservoir, east shore, 6 road mi NW of Guernsey.

U.S.A., Wyoming, Platte County: Between Fish Creek and Fish Creek Road, 18 road mi NW of Wheatland.
Stock ponds and drainage of ponds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: near Warm Springs.
Elev. 1359 m.
Infrequent on level floodplain in sand with Artemisia, Bromus, Calamovilfa, Euphorbia, and Populus spp. Phenology: flowering & fruiting.
Patricia P. Douglas, 428. 8/21/1995.
with B. E. Nelson, R. M. Smith, N. E. Hastings

U.S.A., Wyoming, Sweetwater County: Rock Springs.

U.S.A., Wyoming, Campbell County: Black Thunder Strip Mining Area: North Prong Thunder Creek and Little Thunder Creek.
Upland sagebrush-grass; big sagebrush, blue grama; loamy and clayey soil (Briggsdale and Cushman Series). Phenology: flowering & fruiting.
with D. W. Sabinske

U.S.A., Wyoming, Natrona County: Near Hiland.
Roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Ca 20 mi S of Newcastle, along Beaver Creek.
Rare to occasional near old homestead site. Phenology: flowering.
Ronald G. Schreibeis, DT407. 6/18/1976.

U.S.A., Wyoming, Platte County: Southeastern Plains: ca 1.5 air mi W of I-25, adjacent to Brookie Road, north end of Wheatland.
Moist, clay-rich soil of cultivated barley field and weedy edges of planted rows and road. Phenology: flowering & fruiting.
with Jane Struttmann

U.S.A., Arizona, Yavapai County: Prescott National Forest; Cottonwood.
Phenology: flowering.
Accession: RMRS (unaccessioned)

U.S.A., South Dakota, Pennington County: Rapid City: Dark Canyon.
Common weed, waste places. Phenology: flowering.
Arthur C. McIntosh, A244. 9/23/1924.

Solanum rostratum ()
U.S.A., South Dakota, Todd County: Rosebud, Meyer Co.
T38N R30W S27
Phenology: fruiting.
E. J. Wallace, s.n.. //.
Accession: RM 67967

U.S.A., South Dakota, Custer County: Harney National Forest.
South 5% slope; sandy clay loam soil, grass type. Phenology: flowering.
Accession: USFS 494434, Barcode: USFS0071459

U.S.A., South Dakota, Custer County: Harney National Forest.
Roadside, south 5% slope, loam soil, common. Elev closer to 4900 f (USGS 7.5') G. Bryson Carto. Phenology: flowering & fruiting.
Accession: USFS 494433, Barcode: USFS0071460

U.S.A., Colorado, Baca County: Commanche National Grassland: outside of the Campo Research Natural Area near its southwest corner. W of U.S. 385 and 3.5 mi S of Campo.
T34S R46W S23
Sandy soil, 5% slope, 90 deg aspect, barren shoulder of road. Phenology: flowering.
Accession: RM 382523

U.S.A., Colorado, El Paso County: Colorado Springs.
Phenology: flowering.
Accession: RM 43880

U.S.A., Colorado, Boulder County: Near Boulder.
Plains and foothills. Phenology: flowering & fruiting.

U.S.A., Colorado, Weld County: Pawnee Buttes, NE of Greeley.

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, 1400. 8/2/1897.

U.S.A., Colorado, Weld County: Windsor
Annotations:
1. Solanum rostratum Dunal
Annotated by B. E. Nelson.
George E. Osterhout, s.n.. 8/3/1911.

Solanum rostratum ()
U.S.A., Colorado, Denver County: Denver.
L. M. Schedin, s.n.. //.
with N. T. Schedin

U.S.A., Colorado, Lincoln County: 7 mi S of Forder School, southern Lincoln County.
Roadside. Phenology: flowering & fruiting.

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

U.S.A., Colorado, Weld County: Dry Lake Flats.
T10N R65W S5
Sandy loam, dry lake flats. Phenology: flowering.

U.S.A., Colorado, Boulder County: Near Boulder.
Mesa. Phenology: flowering.

U.S.A., New Mexico, Grant County: Gila National Forest: SW of Silver City.
T21S R16W S8
Juniper woodland; sandy soil. Phenology: flowering & fruiting.
with Earl Jensen

U.S.A., Arizona, Pima County: Tucson: University of Arizona farm.
Common in moist soil in cultivated fields. Phenology: fruiting.
with P. Keener

U.S.A., Arizona, Apache County: Hwy 191: 7.8 mi N of Chinle.
Roadside in disturbed ground. Phenology: flowering & fruiting.

U.S.A., New Mexico, Grant County: Gila River bottom near Cliff.
River bottoms. Phenology: flowering & fruiting.

U.S.A., New Mexico, Dona Ana County: Jornada Experimental Range: 1 mi N of Middle Well on road.
Rare; level slope; sandy clay soil. Can't read annotater...O. K. Ell? Phenology: flowering & fruiting.
Annotations:
Annotated in 1939.
with Gordon D. Merrick and Vance A. Thomas

U.S.A., New Mexico, Grant County: Gila National Forest: Ft. Bayard pasture.

U.S.A., New Mexico, Gila County: Gila National Forest: Black Range Ranger Station Pasture.
Scattered in draws in lower woodland; slope 5 degrees SE; red sandy loam; woodland with blue and side-oats grama. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Painted Desert near Tuba.
T32N R11E S28
Desert. Collection trip 15-31 Jul 1920. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: ca 10.5 air mi S of Douglas on Wyo Hwy 94 or Esterbrook Road.
On gravelly roadside. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: ca 5 air mi S of Yoder, ca 17 air mi SSW of Torrington, S of Bump-Sullivan Reservoir (Goshen Reservoir).
On sandy clay roadside with Picradeniopsis and Verbena. Common.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: ca 0.5 mi N of U.S. Hwy 26, back of UW Experimental Farm along North Platte Ditch, ca 2.3 air mi NW of Torrington, ca 7.3 air mi SE of Lingle.
In disturbed areas with Croton. Frequent. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Guernsey State Park by Guernsey Reservoir in Long Canyon, ca 3 air mi W of Hartville, ca 4.5 air mi NW of Guernsey.
In rocky, sandy soil in disturbed areas on the roadside. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: off Poston Ranch Road: drainage SE of Campbell Ridge; ca 17 air mi ESE of Riverton.
Moist, grassy drainage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: Haines farm, ca 9 mi W of Riverton on U.S. Hwy 26.
Northeast corner of Grandma's house. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Hartville Uplift: Patten Creek, ca 16 air mi SSE of Glendo.
Margins of deep pools in creek, wet sedge meadows, cutbanks, ponderosa pine slopes, little bluestem grassland on hilltops and slopes, silver sage grassland above creek; open hillside. Phenology: flowering & 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; roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]

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

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Sandy roadside ditch and roadcut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 1 air mi E of Gary Reservoir.
Large pond and shaded draws and slopes, plains; roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: [location and coordinates withheld]
Sandy flats above creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Patten Creek ca 0.5 mi W of Wyo Hwy 270 on Patten Creek or County Road 208, ca 16 air mi ESE of Glendo; ca 12.3 air mi N of Guernsey.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Roadside and adjacent area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: between Whalen Canyon or County Road 202 and the head of Sparks Canyon, ca 1.5-2.2 air mi ESE of Hartville; ca 4.5 air mi NE of Guernsey.
Roadside and adjacent road cuts. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: NE of Glomill Reservoir off County Road 125, ca 12 air mi W of Yoder; ca 21 air mi SW of Torrington.
41.9° N, 104.5279° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!

Roadside and adjacent bladed areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Lance Creek off Lance Creek or County Road 14, ca 7.3 air mi N of Lance Creek; ca 27.5 air mi NNW of Lusk.
Roadside and adjacent bladed areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: S of the head of Hefflen Draw, ca 1.5 air mi ENE of the eastern three Buttes, ca 6.5 air mi SSE of Lingle; ca 7.3 air mi WSW of Torrington.
Edges and bottoms of gullies below outcrops. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: along the Laramie River ca 0.5 mi E of the old fort, ca 1.7 air mi SW of Fort Laramie (town); ca 21 air mi NW of Torrington.
Sandy flats in the river bottom with mostly cheatgrass. Phenology: flowering & fruiting.
with David Reilly

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Cottonwood or County Road 42 ca 1.5 air mi S of Cottonwood Creek, ca 9 air mi W of Guernsey; ca 15 air mi N of Wheatland.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along a triburtary of Silver Springs Creek on Silver Springs or County Road 54, ca 8.5 air mi SSW of Lusk.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Highland Loop or County Road 32, ca 2.3 air mi NW of Lightning Creek, ca 13.3 air mi SSW of Bill; ca 20 air mi N of Douglas.
Roadside and road cut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Box Creek just below Bobby Draw off Highland Loop or County Road 32, ca 12.7 air mi SW of Bill; ca 22 air mi N of Douglas.
Roadside. Phenology: flowering.

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

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Ross or County Road 31 between Dry Fork Cheyenne River and Cheyenne River Draw and along Cheyenne River Draw, ca 36 air mi NNW of Douglas.
Roadside and adjacent right-of-way. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Stinking Water Gulch just off Ross or County Road 31, ca 24 air mi WNW Bill, ca 41 air mi NNW of Douglas.
Dry stock pond area in the bottom of a dry wash. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Antelope Creek and Ross or County Road 31, ca 31 air mi WNW of Bill; ca 50.5 air mi NNW of Douglas; ca 3.5 air mi SE of Ross.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Sand Creek off Jenne Trail or County Road 34, ca 16.5 air mi NW of Bill, ca 44.5 air mi N of Douglas.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 0.5 mi S of Horseshoe Creek along Horseshoe Creek or County Road 59 ca 15.5 air mi SW of Glendo; ca 27.5 air mi NNW of Wheatland.
At the edge of pavement and on the right-of-way. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: Bump-Sullivan Reservoir, ca 4 air mi S of Yoder; ca 15 air mi SSW of Torrington.
Disturbed areas and flats near the reservoir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 7.5 air mi W of Wheatland.
Short-grass prairie. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 9.5 air mi W of Wheatland.
Short-grass prairie and drainage. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along the bed of Crow Creek from County Road 203 ca 1.5 mi downstream, ca 1 air mi SW of Carpenter; ca 23.6 air mi ESE of Cheyenne.
Dry sandy-gravelly creek bed and dry slopes and flats above the creek bed. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: along Horse Creek between County Road 180 and County Road 182, ca 1/2 air mi E of Hawk Springs, ca 19.3 air mi SSW of Torrington.
41.791° N, 104.2552° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Along open banks of creek, in grazed pasture and along irrigation ditches in the pasture. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: along Horse Creek ca 5 air mi N of Hawk Springs; ca 13.5 air mi SSW of Torrington.
Along sandy-clay shores of heavily grazed creek. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Jane Draw, ca 2.3 air mi NNE of Aladdin, ca 21 air mi NE of Sundance.
Edge of road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: along Boundary Gulch, ca 4.8 air mi SSE of Beulah, ca 16.3 air mi ENE of Sundance.

U.S.A., Wyoming, Crook County: Black Hills: Belle Fourche River, ca 1.8 air mi W of Devils Tower Junction, ca 19.5 air mi NE of Moorcroft on Inyan Kara Road.

U.S.A., Wyoming, Crook County: Black Hills, Redwater Creek ca 2.2 air mi WNW of Beulah.
Pig pasture. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills, Devils Tower trading post and post office, ca .8 air mi E of Devils Tower.
Elev. 3900
Disturbed soil around buildings and in garden. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills, headwaters of Bitter Creek, ca 2.5 air mi WNW of Alva.
Grassland, roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills, Bear Lodge Mountains, head of Rocky Ford Creek, Government Valley Road, ca 3 air mi NNE of Sundance.
Grassland, roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: Plum Creek just below confluence of E and W branches, ca 7.5 air mi NNW of Newcastle.
In shallow water at edge of reservoir (in grassland). Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: Elk Mountain area, east side near USFS Rd 818; ca 14 air mi SE of Newcastle.
with Dennis Horning

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Sagebrush-grassland (Artemisia tridentata), on wet spot in old dirt road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Belle Fourche River Valley ca 6 air mi S of Colony, ca 17 air mi WNW of Belle Fourche, SD.
Riverbank. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Sagebrush plains, shallow drainageways, gravel roadside and wet ditch; roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Ca 20 mi S of Newcastle, along Beaver Creek.
Rare to occasional near old homestead site. Phenology: flowering.
Ronald G. Schreibeis, DT--407. 6/18/1976.

U.S.A., Wyoming, Crook County: Black Hills: east slope Norgrain Hill, ca 6 air mi NE of Aladdin.
Prairie and wood ravine; roadside. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along Cimarron River and Turkey Trail ca 1 air mi E of Kan Hwy 27, ca 8.5 air mi N of Elkhart.
Low sand dunes in the river bottom, with scattered cottonwood. Phenology: flowering & fruiting.
1. Solanum rostratum Dunal
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Otero County: Comanche National Grassland: on a tributary of West Fork Dry Creek, ca 10 air mi W of Timpas; ca 25 air mi SW of La Junta.
Around stock pond and adjacent weedy flats. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
with Bernadette Kuhn

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 22 air mi WSW of La Junta.
Sandy upland prairie dominated by Opuntia, Mentzelia, and Aristida. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
with B. E. Nelson

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 29 air mi SW of La Junta.
On rocky hills with limestone outcrops. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Colorado, Otero County: Comanche National Grassland: Timpas Cementary, ca 17 air mi SW of La Junta.
Rocky upland, shortgrass prairie with Stipa comata and Elymus smithii. Phenology: flowering & fruiting.
with Joe Rankin.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 13.5 air mi NE of Elkhart.
Small rocky knob of prairie hill dominated by Bouteloua spp., Bothriochloa laguroides, and Aristida purpurea. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: along Purgatoire River Valley near Rourke Ranch, ca 28 air mi SSW of La Junta.
River valley dominated by Solanum elaeagnifolium, Salsola tragus, Bromus tectorum, and Melilotus albus. Phenology: fruiting.
with Quinn Long, Jennifer Moody-Weiss, and Gianna Short

U.S.A., Colorado, Las Animas County: Comanche National Grassland: along Purgatoire River, SW of Rourke Ranch, ca 28.5 air mi SSW of La Junta.
Along river in sandy soil with Sambucus, Bromus tectorum, and Kochia scoparia. Phenology: flowering & fruiting.
with Quinn Long, Jennifer Moody-Weiss, and Gianna Short

U.S.A., Colorado, Otero County: Comanche National Grassland: Withers Canyon Corrals, ca 23 mi SSW of La Junta.
At corrals in heavily grazed shortgrass prairie with Opuntia imbricata. Phenology: flowering.

U.S.A., Colorado, Baca County: Comanche National Grassland: Southeastern Colorado Research Station, 7.5 mi WSW of Springfield.
House site and pasture dominated by Aristida sp. and Buchloë dactyloides. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 15 air mi WSW of Springfield.
Roadside right of way near pump station. Shortgrass prairie dominated by Aristida purpurea, Sporobolus airoides and Elymus spp. Sandy soil. Phenology: flowering & fruiting.
with Amy Tomson

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 13 air mi S of La Junta along Forest Road 802.
In heavily grazed pasture with stock pond. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 13.5 air mi SSW of La Junta.
Overgrazed pasture and creek bank, dominated by Euphorbia marginata and Helianthus annuus with scattered Tamarix ramosissima. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 3 mi S of Tobe, ca 56 air mi S of La Junta.
Shortgrass prairie below mesa. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Otero County: Comanche National Grassland: Browning and Reese Reservoir No 1, ca 17.5 air mi SW of La Junta.
Dry stock pond. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: Colo Hwy 109 ca 5 mi S of La Junta at the entrance sign to Comanche National Grassland.
Roadside and shortgrass prairie with grama grass and annual sunflower; soils grayish and limestone derived. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: junction of U.S. Hwy 160 and the Villegreen Road, ca 9.5 ai WSW of Kim; 6 mi S of Villegreen.
Roadside in shortgrass prairie.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: along and adjacent to Tobe Creek, ca 1.2 mi S of Tobe and U.S. Hwy 160; ca 14 mi SE of Kim.
Shortgrass prairie and riparian. Phenology: flowering & fruiting.

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

U.S.A., Colorado, Baca County: Comanche National Grassland: Carrizo Creek, along trail from Carrizo Picnic Area, ca 29 air mi SW of Springfield.
Rocky uplands dominated by Machaeranthera, Melampodium, and Opuntia; lush creek bed dominated by Saponaria, Vitis, and Parthenocissus. Phenology: flowering & fruiting.
with Catherine Kuhn, Mike Mason

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Dakota sandstone, dominated by Stipa and Elymus elymoides. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: at head of Minnie Canyon, ca 24 air mi SSW of La Junta.
Along rocky canyon side, dominated by Cylindropuntia imbricata. Phenology: flowering.
with Cali Hemenway

U.S.A., Colorado, Baca County: Comanche National Grassland: Picture Canyon, ca 28.5 air mi SSW of Springfield.
Along creek and sandstone canyon walls. Phenology: flowering & fruiting.
with Cali Hemenway

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 12 air mi NW of Elkhart.
Stock tank surrounded by Kochia and Salsola. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along County Road N on two track leading to gas well, ca 3.5 air mi N of Cimarron River, ca 8 air mi N of Elkhart.
Shortgrass prairie dominated by Opuntia and Buchloë dactyloides. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along county Road D, ca 3 1/4 air mi S of U.S. Hwy 56.
Rolling sandsage prairie. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: NW of Vogel Canyon, ca 15 air mi S of La Junta.
Roadside and rocky prairie dominated by Aristida purpurea. Phenology: flowering.

U.S.A., Colorado, Otero County: Comanche National Grassland: between North and South Fork Jack Canyon, ca 20 air mi SSW of La Junta.
Grazed pasture dominated by Buchloë dactyloides. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: between Rourke Road and Anderson Arroyo, ca 14 air mi SSW of La Junta.
Shortgrass prairie dominated by Quincula, Croton, and Yucca. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 1 air mi E of Timpas; ca 17 air mi SW of La Junta.
Limestone outcrops dominated by Ratibida tagetes and Yucca glauca. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: near the head of Poitrey Creek ca 2 air mi W of Fallas Mesa, ca 7 air mi S of Villegreen.
Pasture dominated by Buchloë dactyloides; at stock tank overflow area. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: at Tobe Well off County Road 26, ca 9 air mi S of Villegreen; ca 10.5 air mi SW of Kim.
Weedy roadside with one Ulmus americana. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 7 air mi SE of Utleyville; ca 13 air mi SSE of Pritchett.
Pasture dominated by Opuntia and Yucca glauca. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: [location and coordinates withheld]
Pasture dominated by Cirsium undutatum and Bothriochloa laguroides. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 4 air mi S of Liberty; ca 12 air mi SW of Springfield.
Pasture dominated by Artemisia filifolia. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland and Vicinity: Hall Ranch, under bridge at Poitrey Creek crossing on County Road 121.
Dry creek bed with thick covers of Melilotus albus and Polypogon with pinyon-juniper upland. Phenology: fruiting.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
At spring dominated by Polypogon viridis and Polygonum aviculare. Phenology: flowering & fruiting.
with Darla Jackson, Lonnie Jackson

U.S.A., Colorado, Baca County: [location and coordinates withheld]
Sandsage prairie. Phenology: flowering.

U.S.A., Colorado, Baca County: [location and coordinates withheld]
Dakota sandstone canyon dominated by Juniperus monosperma. Phenology: flowering.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
At stock tank and mud puddles. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along North Fork Cimarron River, ca 13.5 air mi W of Richfield.
Roadside with Ulmus stand. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 0.5 air mi N of Cimarron River, ca 8.5 air mi NW of Elkhart.
Sandsage prairie with Yucca glauca, Artemisia filifolia, and Mentzelia sp. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 2.5 air mi S of Rolla.
In sandsage prairie, along two track leading to well. Phenology: flowering.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along Cimarron River, ca 7.5 air mi SE of Richfield.
Sandsage prairie along the river. Phenology: flowering & fruiting.

Sandstone canyon with Ptelea trifoliata, Rhus aromatica, and scattered Juniperus monosperma. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: at radio tower and Mt. Carmel Cemetary, ca 11 air mi ESE of Campo.
Sandy prairie dominated by Yucca glauca and Bothriochloa laguroides. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: [location and coordinates withheld]
Roadside and prairie. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman.

Riparian and prairie. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman.

U.S.A., New Mexico, Union County: Brenda Christy's land: 38 mi NW of Clayton on NM Hwy 370.
Elev. 1737 m.
Shortgrass prairie with a stream running through collection area. Phenology: flowering & fruiting.
Michael Schiebout, 1491. 7/23/2004.

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

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: on JB or Forest Road 3115, ca 2 air mi WNW of junction with SD Hwy 79, ca 21 air mi SE of Buffalo.
On roadside through grass-dominated grazing land. Phenology: flowering & fruiting.
Accession: USFS 885826, Barcode: USFS0049732

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: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0050796

U.S.A., Montana, Carter County: In and around a drainage near the head of Ewalt Draw, off of Ridge Road, ca 7 air mi WNW of its junction with Mont Hwy 323, ca 25.5 air mi S of Ekalaka.
Rolling grazing land dominated by sagebrush and grasses. Phenology: flowering & fruiting.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colorado City, Colo Hwy 165 N of Greenhorn Meadow Park.
Roadside, road cut, and field. Phenology: flowering & fruiting.
with Craig Freeman

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

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

U.S.A., Wyoming, Park County: Bighorn Basin: just S of U.S. Hwy 14, 16, & 20 along Sulphur Creek/Cody Canal in Cody.
T52N R102W S2
Highly disturbed area amid piles of gravel with Agropyron cristatum, Kochia scoparia, and Amaranthus blitoides. Phenology: flowering & fruiting.

U.S.A., Montana, Custer County: US Range Livestock Experiment Station: Hogback Well in corral.
T7N R47E S26
1 degree slope, north exposure; gravelly clay soil; with Agropyron smithii, grama grass. Scarce. Phenology: flowering.
Accession: USFS 494439

U.S.A., North Dakota: Valley City.

U.S.A., North Dakota: Selfridge.
with William A. Kluender

U.S.A., Nebraska, Banner County: Ca 8 mi SE of Harrisburg, near silo C-7.
Disturbed roadside. Phenology: flowering.
with J. Von Loh

U.S.A., Nebraska, Banner County: Ca 9 mi SE of Harrisburg, near silo C-7.
Disturbed. Phenology: flowering.
with J. Von Loh

U.S.A., Nebraska, Kearney County: Minden.
Harry Hapeman, s.n.. 6/18/1891.

U.S.A., Nebraska:

U.S.A., Nebraska: Lincoln.

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: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Ca 4 mi. NE of Lingle.
42° 10.4' N, 104° 16.7' W; unknown, , Specimen Label
Sandy, disturbed area, with Salsola and Bassia. Flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Ca 7 mi SSW of Torrington.
41° 58.4' N, 104° 15.5' W; unknown, , Specimen Label
Roadside, with Helianthus and Tribulus. Flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Platte County: Rock Lake, ca 6 mi SW of Wheatland.
Disturbed area, with Verbena and Tribulus. Flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Platte County: Northwest side Festo Lake ca 2 mi NW of Wheatland.
42° 4.7' N, 105° 0.1' W; unknown, , GPS reading
Disturbed area, with Polygonum and Cenchrus. Flowers yellow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: Walsh Range parcel; east end of transect ca 370 m due S of Range Guard 4, ca 8.9 km NE of Guernsey Reservoir.
Elev. 1567 m.
South-facing slope; burned open pine forest; silty loam with ash component; with Pinus ponderosa, Agropyron cristatum, Hesperostipa comata, Bouteloua curtipendula, Lithospermum incisum, Besseya wyomingensis, Lappula redowskii, Dalea purpurea, Cercocarpus montanus, Solidago missouriensis. Local; erect, fibrous rooted, annual herb; 2.5 dm tall; corolla yellow. Phenology: flowering.
with P. Block

U.S.A., Wyoming, Platte County: Camp Guernsey: Sawmill Canyon on Osburn Ranch parcel; ca 2.7 km due E of North Platte River, ca 9.4 km NW of Range Control.
zone UTM, 509786E, 4692767N; unknown, GPS reading
Rolling; disturbed roadside; silty loam; with Artemisia cana, Bromus tectorum, Verbena bracteata, Polygon aviculare, Lappula redowskii. Local; erect, taprooted herb; 1.5 dm tall; corolla yellow. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Beaver Creek State Wildlife Area: along Beaver Creek and adjacent meadows, ridges and gulches off County Road 132 at terminus, ca 15 air mi NE of Canon City.
Open meadow with stands of juniper and Gambel's oak. Phenology: flowering.
Accession: (unaccessioned)