Lygodesmia juncea (1996)
ASTERACEAE
Lygodesmia juncea (Pursh) D. Don ex Hook.
U.S.A., Wyoming, Park County: Northern Absaroka Area: Wapiti Ridge Area: Houlihan Creek and ridge to southwest.
Rocky, dry stream bottom or wet above, and sandstone outcrops. Phenology: flowering.
Annotations:
1. Lygodesmia juncea (Pursh) D. Don ex Hook.
Annotated by David Rosenthal.
with David Rosenthal
Accession: RM 679687, Barcode: RM0046967

Lygodesmia juncea (1997)
ASTERACEAE
Lygodesmia juncea (Pursh) D. Don ex Hook.
U.S.A., Wyoming, Park County: Northern Absaroka Area: east side of Sheep Mountain, ca 8 air mi SW of top of Cedar Mountain.
Eroded shales and sandstones with wet spots. Phenology: flowering & fruiting.
with Jim Fowler
Accession: RM 679931, Barcode: RM0046968

Lygodesmia juncea (1997)
ASTERACEAE
Lygodesmia juncea (Pursh) D. Don ex Hook.
U.S.A., Wyoming, Park County: Northern Absaroka Area: road on south side of the North Fork Shoshone River, ca 5 air mi E of Wapiti.
Elev. 5600 ft.
River margins and irrigation ditch and riparian area. Phenology: flowering & fruiting.
Accession: RM 679930, Barcode: RM0046969

U.S.A., Wyoming, Park County: Northern Absaroka Area: Buffalo Bill Reservoir, ca 7.5 air mi E of Wapiti.
Elev. 5600 ft.
Edge of reservoir. Phenology: flowering.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Elev. 5800 ft.
Roadside in clayey soil. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Rock Creek and South Fork Road, ca 17 air mi SW of Cedar Mountain summit.
Disturbed areas and under cottonwoods. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Southwestern Absarokas: junction of Cabin Creek, South Fork Shoshone River and vicinity, ca 45 air mi SW of Cody.
Artemisia-Elymus foothills in dry, stony soil.
Accession: (unaccessioned)

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge between Rough Draw and Sage Creek, SE of Popham Bench Mark, ca 22 air mi SW of Upton; ca 38 air mi W of Newcastle.
Ridgetop. Phenology: flowering & fruiting.
Annotations:
1. Lygodesmia juncea (Pursh) D. Don ex Hook.
Annotated by Peter J. Ebertowski.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along the Cheyenne River ca 2 air mi below confluence of Antelope Creek and Dry Fork Cheyenne River, ca 18.5 air mi NE of Bill; ca 50 air mi NNE of Douglas.
Sand bars and sandy silt flats along the river. Phenology: fruiting.
Annotations:
1. Lygodesmia juncea (Pursh) D. Don ex Hook.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along Little Thunder Creek ca 1 mi below Little Thunder Reservoir, ca 8 air mi SE of Wright; ca 43 air mi S of Gillette.
Roadside. Phenology: flowering & fruiting.
Annotated by Peter J. Ebertowski.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: Old Woman Creek Hills, ca 2.5 air mi E of U.S. Hwy 85, ca 52 air mi S of Newcastle; ca 25 air mi NNE of Lusk.
Rocky slopes with little bluestem. Phenology: flowering & fruiting.
Peter J. Ebertowski, 1102. 7/3/2002.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: above and N of Lion Creek on Lynch or County Road 7A, ca 31 air mi ESE of Wright; ca 39 air mi WSW of Newcastle.
Sagebrush/grassland. Phenology: flowering & fruiting.
Peter J. Ebertowski, 1133. 7/5/2002.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: broad gully SE of Cheyenne River on Clareton or County Road 7A, ca 37 air mi SE of Wright; ca 44 air mi SW of Newcastle.
Broad grassy gully. Phenology: flowering & fruiting.
Peter J. Ebertowski, 1152. 7/5/2002.

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.
Slope with little bluestem. Phenology: flowering.

U.S.A., Wyoming, Crook County: Thunder Basin National Grassland and Vicinity: right of way on County Road 68, ca 16.5 air mi ENE of Weston; ca 37 air mi NE of Gillette.
Side of road. Phenology: buds.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: upper end of Dry Fork Spring Creek on Heald or County Road 49, ca 8.5 air mi NE of Weston; ca 31 air mi NNE of Gillette.
Little bluestem. Phenology: flowering.

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.
Mosaic of grassland and yucca. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: ridge E of Fiddle Benchmark on County Road 32, ca 20 air mi N of Douglas; ca 13.5 air mi SSW of Bill.
Yucca and big sagebrush. Phenology: flowering & fruiting.

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

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

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

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: tributary of Cow Creek, on Cow Creek or County Road 3, ca 18 air mi NNW of Lance Creek; ca 27 air mi WSW of Mule Creek Junction.
Grassland with patches of yucca. Phenology: fruiting.

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

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

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: hills above and NW of Walker Creek on County Road 43, ca 31 air mi NE of Douglas; ca 17 air mi WNW of Lance Creek.
Ponderosa pine and Rocky Mountain juniper with open clayey patches. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Skull Creek on County Road 14, ca 12 air mi E of Upton; ca 19 air mi NNW of Newcastle.
Roadside adjacent to hayfield. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills N of Little Thunder Creek on Wyo Hwy 450, ca 28 air mi ESE of Wright; ca 42 air mi WSW of Newcastle.
Roadside in sagebrush/grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills E of Wildcat Creek on Wyo Hwy 450, ca 30 air mi WSW of Newcastle; ca 37 air mi E of wright.
Roadside in sagebrush/grassland. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Soda Creek on Upton-Fairview or County Road 59, ca 6 air mi S of Upton, ca 11.5 air mi WNW of Osage.

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Antelope Creek on Forest Road 949, ca 31 air mi SE of Wright; ca 17 air mi NNE of Bill.
Stream terrace with greasewood and cheatgrass. Phenology: fruiting.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Cottonwood Creek E of County Road 7A, ca 32 air mi ESE of Wright; ca 41 air mi WSW of Newcastle.
Grassy gully leading to creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Clareton oil field on Bruce or County Road 7C, ca 26 air mi WSW of Newcastle; ca 29 air mi S of Upton.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ravine S of and leading to Porcupine Creek on dirt road ca 0.5 mi W of Wyo Hwy 59, ca 9.5 air mi S of Wright; ca 29 air mi NNW of Bill. NWZ1/4
Mosaic of sagebrush and grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Cheyenne River ca 0.5 mi E and downstream of Meadow Creek, ca 19 air mi NE of Bill; ca 33 air mi SE of Wright.
Open floodplain of Sarcobatus and Opuntia. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along Lodgepole Creek immediately below its confluence with Hay Creek, on Wyo Hwy 450, ca 24 air mi WSW of Newcastle; ca 27 air mi S of Upton.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: North Fork Lone Tree Creek on Grieves or County Road 5, ca 19 air mi WSW of Newcastle; ca 24 air mi S of Upton.
Grassland with sandstone outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: playa and grassland ca 1.5 air mi N of North Prong Little Thunder Creek on County Road 89, ca 8 air mi E of Wright; ca 38 air mi SSE of Gillette.
Sandy area near oil well and tank. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Cabin Canyon on dirt road ca 0.7 air mi NW of Bishop Road, ca 20 air mi SE of Gillette; ca 17 air mi SW of Moorcroft.
Canyon floor dominated by wild ryes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ridge and ravines leading to Wild Horse Creek on gravel road off York or Forest Road 900, ca 30 air mi NNE of Gillette; ca 30 air mi NNW of Moorcroft.
Slopes, mix of ponderosa pine and little bluestem. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ridge above and NE of Duck Creek, on gravel road ca 1 air mi SE of Rocky Point or County Road 85, ca 38 air mi NNE of Gillette; ca 39 air mi NNW of Moorcroft.
Little bluestem and yucca. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge W of Alkali Creek on County Road 54, ca 24 air mi SW of Newcastle; ca 40 air mi SSE of Upton.
Grassland with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: Cheyenne River at Charlies Draw on Dutch Joe or County Road 85, ca 9 air mi W of Mule Creek Junction; ca 33 air mi SSW of Newcastle.
Floodplain terrace, widely spaced cottonwoods. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: Sage Creek on County Road 64, ca 14 air mi NNE of Lusk; ca 19 air mi NE of Manville.
Fenceline along grassland and wet meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: low ridge draining to and N of Little Thunder Creek on Wyo Hwy 450, ca 29 air mi ESE of Wright; ca 38 air mi WSW of Newcastle.
Sandy knolls and bowls; yucca, sandreed and sand bluestem. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along Buzzard Creek on Keeline or Forest Road 930, ca 22 air mi ESE of Wright; ca 45 air mi SSE of Gillette.
Sagebrush/grassland with sandy patches of grass. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: Hungry Hollow on Cheyenne River or County Road 6, ca 34 air mi SSW of Newcastle; ca 52 air mi SSE of Upton.
Sagebrush with shaley outcrop. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills N of confluence of North Fork Duck Creek and Duck Creek, off dirt road to Dickinson Ranch, ca 39 air mi NNE of Gillette; ca 39 air mi NNW of Moorcroft.
Roadside in grassland with silver sagebrush and yucca. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Blacktail Creek on U.S. Hwy 85, ca 9.5 air mi S of Newcastle; ca 23 air mi N of Mule Creek Junction.
Steeply sloped creek bank Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Olson Draw, on two track road off Forest Road 1619, ca 14 air mi SE of Wright; ca 48 air mi S of Gillette.
Coarse sandy soil, with prairie sandreed and fringed sagebrush. 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.
Grassland, Carex filifolia and Stipa comata abundant, with Artemisia frigida. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: tributary W of South Beaver Creek, on Upton-Fairview or County Road 59, ca 20 air mi W of Newcastle; ca 19 air mi S of Upton.
Mosaic of grassland and sagebrush grassland, Stipa comata abundant. Phenology: flowering.

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

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: Marcus Draw, on Redbird or County Road 11, ca 19 air mi N of Lance Creek, ca 42 air mi SSW of Newcastle.
43.2988° N, 104.579° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Patch of big sagebrush in grassland. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: draw running E off Artesian Draw, on Wyo Hwy 387, ca 26 air mi SW of Wright; ca 21 air mi NE of Midwest.
Sagebrush grassland, Bouteloua gracilis abundant. 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: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Fiddler Creek, on County Road 36B, ca 13 air mi S of Upton; ca 19 air mi W of Newcastle.
Stipa comata grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: tributary of Dry Fork Spring Creek, on York or Forest Road 900, ca 30 air mi NE of Gillette; ca 31 air mi NW of Moorcroft.
Mosaic of grassland and sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: grassland N of Little Thunder Creek, on Wyo Hwy 450, ca 28 air mi ESE of Wright; ca 39 air mi WSW of Newcastle.
Grassland, Stipa comata, Carex filifolia and Calamovilfa abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Robertson Flat, near intersection of Wyo Hwy 59 and Forest Road 942, ca 26 air mi S of Wright; ca 45 air mi N of Douglas.
Ravine slope in sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: West Fork Duck Creek, on two-track off Forest Road 903, ca 34 air mi NNE of Gillette; ca 34 air mi NNW of Moorcroft.
Grassland, Elymus spicatus and Schizachyrium scoparium abundant. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: upper (northern) part of Fields Draw, on Wyo Hwy 450, ca 32 air mi WSW of Newcastle; ca 33 air mi E of Wright.
Mosaic of sagebrush grassland and grassland, Stipa comata abundant. Phenology: flowering & 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., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Buffalo Creek, on Watt Road, ca 8 air mi SSE of Moorcroft ca 14 air mi ENE of Upton.
Knoll with yucca and large rocks in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ravine running NE from Buck Creek, on Forest Road 926, ca 24 air mi E of Wright; ca 39 air mi W of Newcastle.
Ravine of sand and sandstone formations. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: grassland ridge NW of Antelope Creek, on Ross or County Road 31, ca 30 air mi SW of Wright; ca 52 air mi NW of Douglas.
Ravine in Stipa comata grassland. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Brown Springs Creek, on two-track off Ross or County Road 31, ca 32 air mi NW of Douglas; ca 22 air mi NNE of Glenrock.
Rock outcrop in sagebrush grassland. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Mush Creek, ca 1.5 mi upstream of Klodt Reservoir, on Wyo Hwy 450, ca 11 air mi W of Newcastle, ca 13 air mi S of Osage.
Sagebrush grassland with scattered greasewood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Lake Creek and hills to the E, on Forest Road 1420C, ca 34 air mi SE of Wright; ca 44 air mi NNE of Douglas.
Scoria hills. Phenology: vegetative only.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills and ravines ca 0.5 mi E of Soda Well, on Forest Road 1247, ca 31 air mi NNE of Gillette; ca 33 air mi NNW of Moorcroft.
Slope with little bluestem and bluebunch wheatgrass. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge E of Lone Tree Creek, on Raven Creek or County Road 18, ca 34 air mi W of Newcastle; ca 25 air mi S of Moorcroft.
Ravine slope in sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Antelope Creek, ca 0.5 mi W of its confluence with Wildcat Creek, on Forest Road 949, ca 28 air mi SE of Wright; ca 51 air mi NNE of Douglas.
High sandy stream bank. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: grassland in Mush Creek Oil Field, ca 1 mi NE of South Beaver Creek, on Wyo Hwy 450, ca 14 air mi WSW of Newcastle; ca 23 air mi SSE of Upton.
Grassland, Stipa comata and Carex filifolia abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Deep Creek, on Elliott or County Road 8, ca 21 air mi W of Newcastle; ca 22 air mi S of Upton.
Grassland, Stipa comata abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Mush Creek, ca 0.5 mi below its confluence with Lassen Creek, ca 1.2 mi W of County Road 49, ca 16 air mi W of Newcastle; ca 18 air mi SSE of Upton.
Mosaic of sagebrush and sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Yellowstone Valley: south shore of Dailey Lake, ca 15 mi N of Gardiner.
Lakeshore with Distichlis stricta, Festuca arundinacea, Spartina gracilis, and Scirpus nevadensis.
Accession: RM 739026

U.S.A., Montana, Park County: [location and coordinates withheld]
Grassland with a few scattered Juniperus scopulorum and with Stipa comatat, Carex filifolia, Bouteloua gracilis, and Zigadenus venenosus. Phenology: flowering.
Accession: RM 753848

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: flowering.
Accession: RM 781533

U.S.A., Montana, Carbon County: Ridge immediately N of County Road 421 and E of Monahan Road, 1.3 mi W of Joliet.
Disturbed ponderosa pine-grassland on sandstone outcroppings with Agropyron spicatum, Alyssum desertorum, and Bromus tectorum. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: lower end of the Wind River Canyon, along U.S. Hwy 20/Wyo Hwy 789, 4 mi S of Thermopolis.
Weedy, rocky riparian area along the river with Bromus inermis, Asclepias speciosa, and Cirsium arvense. Phenology: buds.

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

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: U.S. Hwy 160 W from Del Norte to County Road 19.
Along highway. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Coconino National Forest: Forest Road 514, 7.5 air mi NE of Kendrick Park.
Pinyon-juniper woodland on cinder substrate. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Arizona, Coconino County: Coconino National Forest: 2 air mi N of Saddle Mountain.
Base to top of cinder cone. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Partially vegetated sand dunes, ca 30-40' tall. Phenology: flowering & fruiting.
Accession: 673220, Barcode: RM0305391

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Sweetwater River Drainage: Willow Creek at base of Green Mountain, ca 5 air mi NW of Three Forks; ca 8 air mi NNE of Whiskey Peak.
Intermittantly dry and flowing creek running through dry sagebrush flats; Grindelia dominant; sandy rocky soil. Phenology: flowering & fruiting.
Accession: 673219, Barcode: RM0305392

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Disturbed roadbed. Phenology: flowering & fruiting.
Accession: 673280, Barcode: RM0305393

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: sand dunes and adjacent slope of Iron Spring, ca 1.5 air mi S of Steamboat Mountain; ca 7.5 air mi NW of Spring Butte.
Partially vegetated sand dune with low species diversity--Oryzopsis, Vicia, and Rumex are main colonizers. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: E of Agate Flat or BLM Road 2404, ca 15.7 air mi NW of Three Forks Junction; ca 9 air mi NE of Jeffrey City.
Sagebrush grassland in sandy soil. Phenology: flowering & fruiting.
with Pamela Foster

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: at junction of County Road 371 and County Road 375, ca 3 air mi N of Buena Vista.
Dry pinyon woodland with sandy soil. Phenology: flowering & fruiting.

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

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 4.5 air mi S of Scenic and 1 mi S of SD Hwy 44.
In sandy soil of badlands. Phenology: buds.

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: buds.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 13.5 air mi NNW of Crawford and ca 1 air mi NW of Eagles Eye Rock.
On pine ridge of rock and sand; pine woodland. Phenology: buds.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 13 air mi NW of Crawford at Roundtop Mountain.
Mountain of pine in rock and sand soils pine woodland. Phenology: buds.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 18-18.5 air mi NW of Crawford and 0.5 mi N of Orella Road, Whitehead Creek.
West side drainage of creek. Phenology: buds.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 30-31 air mi NW of Crawford and 0.5 mi N of Indian Creek Road.
Draw with heavy clay soil. Phenology: buds.

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: buds.

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 & fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 20.5-21 air mi SSW of Wall and 0.5 mi E of Forest Road 7133.
On east and south faces of revegetated and stabilized sand bluffs. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 20 mi SSE of Hermosa, next to the Cheyenne River.
In sandy soil on river banks. Phenology: buds.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 12.5-13 air mi WNW of Edgemont immediately E of Wyoming/South Dakota stateline. North of the Cheyenne River.
In silt and revegetated, stabilized banks of sand north of the river. Area is severely overgrazed. Phenology: flowering & fruiting.

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: fruiting.

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

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 10-10.5 air mi WNW of Edgemont; Moss Agate Creek.
In side drainage of creek. Side slopes of rock and gravel. Phenology: flowering.

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

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 14 mi NNE of Smithwick and immediately S of the Fall River and Custer County lines.
On ridgetop of sand and silt soils. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 12.5-13 air mi NW of Crawford.
In deep drainage. Phenology: fruiting.

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., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 13 -15 air mi NW of Crawford at Hudson-Meng Bison Bonebed Trail between Toadstool Geologic Park and Hudson-Meng Bonebed site.
Along Hudson-Meng Bison Bonebed trail. Trail winds through creek bottom and over ridge tops. Soils range from heavy white clay in creek to rocky, gravelly areas on side slopes and at tops of deep cut draws. Phenology: fruiting.
with Steve Popovich

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, Custer County: Buffalo Gap National Grassland and Vicinity: ca 7 air mi ESE of Fairburn and adjacent to South Fork French Creek.
In a prairie dog town, soils are deep clay. Phenology: fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: Indian Creek Wilderness Area: ca 7.5-8 air mi WSW of Scenic, near east bank of Cheyenne River.
Soils are clay. Phenology: buds.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 5 air mi SE of Oelrichs and ca 3 air mi SE of Limestone Butte near Forest Road 7026.
On rolling prairie uplands dissected by deep drainages; soils are loam to loamy clay. Phenology: flowering & fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 15 air mi SE of Oelrichs and ca 1 air mi due E of County Road 3. Middle
On rolling prairie uplands in soil of silt and loam. Phenology: buds.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 2 air mi NW of Scenic, on mesa area overlooking Spring Creek.
Soil is sand. Phenology: fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: Indian Creek Wilderness Area: ca 4-4.5 air mi SW of Scenic.
On ridge top; soils are gravel and clay. Phenology: buds.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 12 air mi ESE of Fairburn and 1/4 mi due S of County Road 18 at French Creek.
On north and east facing slopes of creek, soils are rock and gravel. Phenology: flowering.
with Don Hazlett

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6.5 air mi SW of Scenic in Indian Creek.
Soils are clay overlain with gravel and sand. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 7 air mi SW of Scenic in Indian Creek.
In deep cut side drainage of the creek, soils are clay overlain with gravel. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 2 air mi NE of Cactus Flats in Big Buffalo Creek.
Wooded draw exclosed from grazing, soils are loam and loamy clay. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Pedro Mountains: southeast end of range, ca 10 air mi N of Seminoe Dam; ca 40 air mi NE of Sinclair.
Sagebrush/snakeweed flat in sandy soil between base of mountain and reservoir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along unmarked road NE of Meeteetse Rim and E of Wyo Hwy 120, ca 10 air mi NNW of Meeteetse and 17.5 air mi SSE of Cody.
Sagebrush in sandy soil. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: E of Wyo Hwy 120 and N of Eagle Draw, ca 1.5 air mi WNW of Ceder Ridge and ca 5.5 air mi WNW of Thermopolis.
Sagebrush with yucca. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Elk Creek or BLM Road 1101, ca 5.5 ESE of Manderson.
Sagebrush with grasses. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Mobile or BLM Road 1401, ca 5 air mi SE of Worland.
Sagebrush on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ridge leading NW off Lightning Ridge on the Nowater Trail or BLM Road 1404, ca 10 air mi SW of Big Trails; ca 36 air mi SE of Worland.
Sandy ridge top with scattered Rhus and Artemisia and areas of sandstone pavement and outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Montgomery Draw Wetland Protection Project ca 1.5 air mi N of Fivemile Creek, ca 7 air mi SW of Manderson; ca 11.5 air mi S of Basin.
Clay slopes and flats adjacent to the reservoir area, with Atriplex and Artemisia. Phenology: fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Elk Creek ca 3.5 air mi above the Big Horn River, ca 6.5 air mi WNW of Manderson; ca 5.5 air mi SSW of Basin.
Silt bars and banks along stream channel with scattered cottonwood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Indian Creek, ca 4--5 air mi E of Big Cedar Ridge and 3--4 air mi W of the Nowood River, ca 13.5 air mi S of Ten Sleep.
Cobble stone slopes. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Park County: Bighorn Basin: along BLM Road 1314 and Pickett Creek, ca 19 air mi WSW of Meeteetse.
Valley bottom. Phenology: flowering.
with Michelle Wilson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Orchard Bench or County Road 1121 and Elk Creek, ca 5 air mi S of Basin.
Mixed riparian and sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: east portion of Ralston Reservoir and Garland Canal, ca 5.5 air mi WSW of Powell and ca 17.5 air mi NE of Cody.
Reservoir and canal. Phenology: fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dry Creek and drainage canal, ca 8.5 air mi W of Greybull.
Sagebrush. Phenology: fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: ca 18 air mi NW of Naturita, ca 2.5 air mi S of Bedrock, east-side of Dolores River Canyon.
Pinyon-juniper, Artemesia, and Fendlera on the east facing slope of the west side of the canyon. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Lower Little Gypsum Valley, County Road 20.R, ca 20 air mi WSW of Naturita.
Artemesia, and scattered pinyon-juniper on north-facing gypsum-soil with selenium odor. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 25 air mi WSW of center of Cortez.
Sandstone caprock, canyons, some shale below, and an active sand dune; pinyon-juniper and grasslands. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Threemile Creek, ca 16 air mi SE of Medicine Bow.
Dry rocky slopes Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: Alcova Reservoir, ca 30 air mi SE of Casper.
Dry sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: Jackson Lake, ca 57 air mi SE of Casper, 8 air mi NE of Muddy Gap.
Dry sandy, rocky uplands and slopes. Phenology: flowering & fruiting.

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

U.S.A., Arizona, Pima County: Santa Rita Experimental Range: northwest corner of pasture #7.
Open grass; in snady soil on northwest slope; distributed in local washes; scattered. Phenology: flowering & fruiting.
Accession: USFS 480651

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Dry sandy uplands in praire dog town. Phenology: flowering.

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

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Boysen Reservoir, ca 3 air mi WNW of Shoshoni.
Disturbed sandy, rocky uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Wetlands and Adjacent Areas: Snake River, ca 4 air mi NW of Jackson.
Rocky disturbed uplands Phenology: flowering & fruiting.
with James Pray

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Round Mountain Trail off U.S. Hwy 34, ca 7 air mi W of Loveland.
Steep, dry north facing slopes, with Ribes, Opuntia and ponderosa pine; some slopes with talus. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Hell Canyon Road (Forest Road 4021), from U.S. Hwy 36 to Estes Park, ca 15 air mi SW of Loveland. C
South facing slopes of ponderosa pine, and occasional aspen in shallow ravines. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Canyon de la Alameda to Rio Gallina, 14 air mi NNE of Gallina. SW for 1 air mi in canyon to Rio Gallina then 0.4 air mi E along river.
Pinyon/juniper woodland of river. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and vicinity: Jemez Mountains: Arroyo de los Frijoles, 2.5 air mi W of Abiquiu. From corral at start of Barranca Trail 111 3.4 air mi S to Frijoles Spring.
Riparian through canyon of soft sedimentary rock in pinyon/juniper woodland. Phenology: fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: 3 road mi NNE of Ponderosa.
Roadside, streamside. Phenology: flowering.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Glorieta Mesa: Valle Grande on Forest Road 323, ca 4.5-5 air mi S of South San Ysidro; ca 13.5-14 air mi SSE of Pecos.
Artemisia frigida/Bouteloua gracilis meadow dominated by forbs. Phenology: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Glorieta Mesa: Lopez Tank on Canyon del Aqua del Corral and vicinity on Forest Road 324, ca 10 air mi S of South San Ysidro; ca 19 air mi SSE of Pecos.
Sandy-stony pinyon/juniper woodland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Hogback Ridge, ca 7 air mi NNW of Hamilton Dome; ca 25 air mi NW of Thermopolis.
South-facing slopes of ridge composed of sandstone, conglomerate, and mudstone.

U.S.A., Wyoming, Goshen County: Southeastern Plains: Goshen Hole: Fort Laramie National Historic Site: Laramie River Valley, southern BLM tract ca 1.7 air mi SW of Fort Laramie (town).
Rolling uplands above river valley with silt loam, northwest slope 3%; associated species are Vulpia octoflora, Artemisia frigida, and Opuntia polyacantha var. polyacantha. Occasional. Phenology: flowering.
with Luanne Lum

U.S.A., Wyoming, Goshen County: Southeastern Plains: Goshen Hole: Fort Laramie National Historic Site: west boundary along Wyo Hwy 160 ca 2.2 air mi WSW of Fort Laramie (town).
Valley flats beside highway r-o-w on gravelly sand loam, southeast slope 2%; Elymus smithii herbaceous vegetation; associated with Sporobolus cryptandrus, Opuntia polyacantha, Bromus tectorum, Kochia scoparia. Occasional. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along the north side of the North Fork Shoshone River at Game and Fish public access, ca 1/8 mi E of Wapiti.
Open, weedy, disturbed alluvium.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: sand dunes W of County Road 351, ca 4.4 air mi SW of Seminoe Dam; ca 23.5 air mi NE of Sinclair.
Sand dunes; open areas and knolls of Artemisia cana, Psoralidium lanceolatum, and Chrysothamnus sp. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Platte County: Along Kinney Creek, 32 road mi NW of Wheatland.
Elev. 1620 m.
T27N R69W S19
Creek banks, dry, usually wet early spring and summer. Phenology: flowering & fruiting.

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

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

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., New Mexico, Lincoln County: Lincoln National Forest: Gallinas Division.
Phenology: vegetative only.
Annotated by Ivar Tidestrom.
William H. Woods, s.n.. 10/8/1921.
Accession: USFS 480655

U.S.A., Wyoming, Sheridan County: Sheridan Training Area: ephemeral creek and east bank, 1.9 km NW of Peak 4244 (338560, 4469020), ca 2.7 km NE of Peak 4202 (334840, 4967880).
Local in riparian with level to 60 deg bank of sandy loam to clay loam, soil series Ridman, moist Ulm loams, with Populus angustifolia, Symphoricarpos occidentalis, Rhus trilobata, Arctium minus, and Alopecurus aequalis. Corolla: lavender. Ascending, taprooted, perennial herb; 3.5 dm tall. Phenology: fruiting.
Patricia P. Douglas, 363. 8/31/1997.
with Nancy E. Hastings

U.S.A., Wyoming, Platte County: Camp Guernsey: 1.4 km N of U.S. Hwy 26, 2.9 km W of Wyo Hwy 270.
Elev. 1353 m.
Sagebrush grassland on rolling to slighght sloping silty loam with Artemisia filifolia, Helianthus annuus, Yucca glauca, Andropogon, Calamovilfa, and Eriogonum spp. Phenology: flowering & fruiting.
Patricia P. Douglas, 589. 8/25/1995.
with R. M. Smith, N. E. Hastings

U.S.A., Wyoming, Goshen County: 3 mi WNW of Ft. Laramie.
Sandy slope with Yucca, Carex. Flowers lavender. Phenology: flowering.

U.S.A., Wyoming, Platte County: 10 mi NE of Glendo.
Sandy roadcut with Helianthus, Eriogonum. Corolla pink-lavender. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County:
Chalky outcrop with Mirabilis, Corispermum. Flowers lavender. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: 7 mi SE of Hyattville.
Sandy bank with Bromus and Machaeranthera.

U.S.A., Wyoming, Carbon County: 3.5 mi N of Saratoga.
Sandy bank with Alyssum, Oryzopsis. Corolla lavender. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: W of Cole Creek Road. (Wyo Hwy 256) off Sand Piper Drive.
T34N R78W S32; also S33
Sand dunes. Phenology: flowering & fruiting.
with Jane P. Nelson

U.S.A., Wyoming, Natrona County: North side of North Platte River.
T34N R79W S33
On sand dunes. Sagebrush-grassland. Phenology: flowering & fruiting.
with Jane P. Nelson

U.S.A., Wyoming, Albany County: West Foothills of the Laramie Range: slopes on north side of Jack Rabbit Canyon, ca 2 mi E of Laramie.
Artemisia nova-Bouteloua gracilis grassland on sandy reddish soils on rolling plains. Phenology: flowering & fruiting.
with Laura Welp

U.S.A., Wyoming, Carbon County: Ferris Mountains: sand dunes on southeast slope of Bear Mountain, ca 2 air mi E of Sand Creek Canyon, ca 20 mi ESE of Muddy Gap.
Steep, north-facing slope of partially stabilized sandy dune (slope ca 60%) with community of Elymus lanceolatus, Psoralidium lanceolatum, and Lupinus sericeus; vegetative cover 5-15%. Phenology: fruiting.
with Frank Blomquist

U.S.A., Wyoming, Carbon County: Great Divide Basin: sand dunes ca 1.2 mi SW of Cheyenne Ridge; ca 1.3 mi N of the Haystack Mountains; ca 16 air mi E of U.S. Hwy 287.
South-facing, steep (45%) sand slope in stabilized dune community domianted by Psoralidium lanceolatum, Chrysothamnus nauseosus, C. viscidiflorus, and Calamovilfa longifolia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin: sand dune complex 2 1/4 air mi N of Table Mountain, ca 2 1/4 mi S of Ferris; ca 12 mi E of U.S. Hwy 287.
Partly stabilized sandy flats at top of shifting dune; community dominated by Psoralidium lanceolatum and Oryzopsis hymenoides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: North Platte River Valley: midpoint of ID Ridge, ca 1.5 air mi W of Seminoe Reservoir and ca 1.8-2 mi E of County Road 351, ca 4.5 air mi S of Seminoe Dam.
Semi-stable 30 degree sand slope on edge of active blowout on south side of crest of ridge in community of Psoralidium lanceolatum/Oryzopsis hymenoides/Redfieldia flexuosa; vegetative cover ca 20%. Phenology: flowering & fruiting.

U.S.A., Arizona, Gila County: Tonto National Forest; 3 Bar.
T4N R10E S2
Phenology: fruiting.
Annotated by Kittie F. Parker.
Accession: RMRS (unaccessioned)

U.S.A., South Dakota, Custer County: Black Hills National Forest: Pass Creek.
T5S R2E S14
Phenology: flowering & fruiting.
Accession: RMRS (unaccessioned)

U.S.A., South Dakota, Fall River County: Erskine-Hot Springs.
T7S R5E S10
In cinders along railroad. Phenology: flowering.

U.S.A., South Dakota, Custer County: Black Hills National Forest: W Pass Creek.
On 10% southeast slope; sandy soil; mixed prairie with Bouteloua gracilis, Stipa comata, and Andropogon scoparius. Phenology: flowering & fruiting.
Accession: USFS 480647, Barcode: USFS0071957

U.S.A., South Dakota, Harding County: Custer National Forest.
T22N R5E S16
On 5 percent north slope; sandy loam soil; mixed weeds and Calamovilfa, Stipa. Rare. Phenology: vegetative only.
Accession: USFS 480646, Barcode: USFS0071955

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: along west side of County Road 410, ca 4.4 air mi E of Independence Rock; ca 22.5 air mi NE of Three Forks Junction.
Sandy roadside. Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Hell Canyon, 8 mi NE of Dewey.
Rocky valley; grass and pioneer association; xerophytic. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Edgemont Road, 20 mi SW of Hot Springs.
T8S R3E S14
Rolling hills. Associated with sage-grass, xero-mesophytic. Phenology: flowering.

U.S.A., South Dakota, Custer County: Between Buffalo Gap and Fairburn.
Red foothills; grass association; xero-mesophytic. Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Jewel Cave National Monument: ca halfway from old area to Visitors Center along trail.
T4S R2E S2; also NE1/4
Small grassland (little bluestem) in ponderosa pine forest. Phenology: flowering.

U.S.A., South Dakota, Harding County: Extreme northwest corner of county.
T23N R1E S36
Steppe. Phenology: flowering & fruiting.

U.S.A., South Dakota, Perkins County: Ada.
T16N R14E [Ctr of Township]
Phenology: flowering.

U.S.A., South Dakota, Custer County: Harney National Forest: 1 mi S of W. O. Mayberry Ranch.
Red clay soil. Common. Phenology: flowering.
Accession: USFS 480645, Barcode: USFS0071956

U.S.A., Wyoming, Platte County: Laramie Range: South Cooney Hills, ca 12 air mi SW of Wheatland.
Granite outcrops. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Colorado, Larimer County: Phantom Canyon Preserve: ca 25 mi N of Fort Collins along Hwy 287, along east side of North Fork of Cache la Poudre River, Preserve "Reach 3."
Between upland shrubs and river, with Verbascum thapsis and Bouteloua gracilis. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: W of U.S. Hwy 385 and 3.5 mi S of Campo, southwest quarter of the Campo Research National Area, near Macroplot Number 2.
Silt loam, 4% slope, 344 degree aspect: with a Bouteloua curtipendula-Buchloe dactyloides grassland in high ecological condition. Phenology: flowering & fruiting.
Annotated by C. M. Wasser in 1985.
with Gloria R. B. Mooers

U.S.A., Colorado, Baca County: Campo Research Natural Area: Commanche National Grassland.
Silt loam, 4% slope, 344 degree aspect: with a Bouteloua curtipendula-Buchloe dactyloides grassland in high ecological condition. Phenology: flowering & fruiting.
Annotated by C. M. Wasser in 1985.

U.S.A., Colorado, Chaffee County: Chalk Creek, 17 mi north of Salida.
Dry hillsides. Phenology: flowering & fruiting.
with Roland V. Rethke and R. van Raadshooven

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

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

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

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

U.S.A., Colorado, Las Animas County: Mesa de Maya Region: bottom of Gotera Canyon.
Edge of dirt road at bottom of canyon with Psoralidium tenuiflorum and Sphaeralcea coccinea. Phenology: flowering & fruiting.
with Tim Hogan and Rick Brune

U.S.A., Colorado, Weld County: Grover.
Prairies. Phenology: flowering & fruiting.

U.S.A., Colorado, no county County:
Earl L. Johnston, 274. //1906.

U.S.A., Colorado, Weld County: Fort Lupton.
Earl Lynd Johnston, 820A. 7/13/1915.

U.S.A., Colorado, Denver County: Denver.
Vacant lots. Phenology: flowering.

U.S.A., Colorado, Weld County: Between Fort Collins and Cheyenne: just S of Wyoming border.
T12N R67W S21; also S29 and S30
Along railroad embankment: weedy community in Bouteloua-Buchloe grassland. Phenology: flowering & fruiting.

U.S.A., Colorado, Denver County: Denver.
Ellsworth Bethel, s.n.. 7/4/1919.

U.S.A., Colorado, Teller County: Near Florissant.

U.S.A., Colorado, Weld County: Pawnee Buttes.
Phenology: vegetative only.

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

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, 509. 7//1895.

U.S.A., Colorado, Weld County: Windsor
George E. Osterhout, s.n.. 7/22/1912.

U.S.A., Colorado, Weld County: Windsor.
George E. Osterhout, s.n.. 7/6/1892.

U.S.A., Colorado, Park County: Pike National Forest: LGRS yard
T12S R71W S29
3% west slope, deep gravelly loam, in woodland. Phenology: flowering.

U.S.A., Colorado, Arapahoe County: Buckley Air Force Base: site 660 m NE of southwest corner of the installation. 521748E 4392730N.
Rolling shortgrass prairie on sandy loam; with Artemisia frigida, Psoralidium tenuiflorum, Aristida purpurea, Nassella virdula, Hesperostipa comata, Bouteloua gracilis, Bromus spp. Phenology: flowering.
with C. Bern

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

U.S.A., Colorado, Huerfano County: West Spanish Peak.
Huerfano/Las Animas counties. Phenology: flowering.

U.S.A., Colorado, Weld County: Along County Road O, ca 5 mi NW of Greeley.
By railroad track. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman in 2001.
with Robert M. Garvey

U.S.A., Colorado, Weld County:
Abandoned field, sandy loam. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: Near Stockade.
Meadow. Phenology: flowering & fruiting.

U.S.A., Colorado, Alamosa County: CO Hwy 150, 10.4 mi E of CO Hwy 17, SSE of San Luis Lake.
Scattered among Sarcobatus, Muhlenbergia and Oryzopsis. Phenology: flowering & fruiting.
with J. Anderson

U.S.A., Colorado, Las Animas County: Mesa de Maya Region: Gotera Canyon.
Bench above dry creek bed in pinyon-juniper/oak woodland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: top of Steamboat Rim and west towards Essex Mountain, ca 2.5 air mi E of Essex Mountain; ca 31.5 air mi NNE of Rock Springs.
Rocky slope of rim. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: sand hills on Dry Cow Creek drainage, ca 5 air mi SW of Doty Mountain; ca 29 air mi SSW of Rawlins.
Sand dunes. Phenology: flowering.

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

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: North Platte River in North Gate Canyon, ca 23.5 air mi ESE of Encampment.
T13N R80W S33
Moist soil above river. Few plants locally. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 4 air mi SSW of Thermopolis above Red Canyon Creek.
Slopes and draws in Chugwater redbeds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 0.5 air mi W of Kirby, ca 11 air mi N of Thermopolis on Gebo Road.
Roadside and borrow pits. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Antelope Draw on County Road 149; ca 7 air mi N of Burns; ca 27 air mi NE of Cheyenne.
Road shoulders and barrow pits. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Barrow pits and road cuts. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: ridge between S Bar and East Indian Creeks, ca 1.5 air mi SW of Whitman; ca 18 air mi NE of Lusk.
Roadside. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Reuter Campground, ca 3 air mi NW of Sundance.
Edge of road.

U.S.A., Wyoming, Park County: Bighorn Basin: Polecat Bench along the road from Elk Basin Oil Field to Fannie, ca 4.5 air mi W of Fannie; ca 15 air mi N of Powell.
Roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: ca 7 1/4 mi S of Wamsutter on County Road 23 then ca 31 mi SW.
In sandy clay of roadside and near the road. Frequent. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 3.5-4 mi NE of Clarks Fork Canyon off Wyo Hwy 292, ca 26 air mi NNW of Cody.
Moraine. Phenology: flowering & fruiting.
with Erik Nelson

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 4 air mi NW of Spotted Horse, ca 37.5 air mi NW of Gillette, breaks above Spotted Horse Creek.
Infrequent in sagebrush grassland with Ceratoides.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: Springer Reservoir (Goshen Hole Reservoir) ca 1.5 air mi S of Yoder, ca 13.5 air mi SSW of Torrington.
In upland with Artemisia filifolia and Senecio. Occasional.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 13 air mi WSW of Kaycee, ca 0.7 mi E of Barnum on Wyo Hwy 190-Barnum Road, along Beaver Creek.
Sandy soil at base of red cliffs.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 6 air mi S of Kaycee on TTT Road (Lone Bear Road on map).
Roadside.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Ziesman Canyon along Buffalo Creek, ca 6.5 air mi SE of Hyattville, ca 30 air mi SE of Basin.
Sandy slopes. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along the Nowater Trail just off the Upper Nowood Road, ca 2.5 air mi SW of Nowood, ca 31.5 air mi S of Ten Sleep.
Red sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Fox Mountain, ca 9 air mi E of Greybull.
Sandy clay soil on the top of the butte. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Nowood River at the foot of Mahogany Butte, ca 27 air mi S of Ten Sleep, ca 9.5 air mi SSW of Big Trails.
Slopes.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland and eroded slopes N of old highway 14; Spearfish shale (redbeds).

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland with scattered pines, south and west-facing slopes.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Grassland in canyon botton, on sandy soil.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
South-facing slope below limestone cliffs, grassland with scattered pines.
with Dennis Horning

U.S.A., Wyoming, Fremont County: East side of Boysen Reservoir, southern edge of bay.
Sandy beach.

U.S.A., Wyoming, Fremont County: Wind River Basin: aquiduct on south side of Lake Cameahwait, ca 20 air mi ENE of Riverton.
Bank above lake.

U.S.A., Wyoming, Fremont County: Wind River Basin: eastern edge of Sand Mesa, W of Boysen Reservoir, ca 22.5 air mi ENE of Riverton.
Sagebrush grassland.

U.S.A., Wyoming, Fremont County: Sweetwater Rocks, ca 8 air mi ENE of Jeffrey City.
Sagebrush grassland.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Haines Farm, ca 9 air mi W of Riverton on U.S. Hwy 26.
Lane between horse pasture and big field.

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

U.S.A., Wyoming, Converse County: Powder River Basin: near Bozeman Trail Monument.
Sandy slope.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Sandy roadside buttes, loose talus slopes, outcrops, plains; highway right-of-way.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 4.5 air mi W of Pine Tree.
Dry plains, sandy roadcuts, depressions; roadside.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Plains, draw, eroded slopes, sandy roadcuts; plains, ditch.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Holding pond, flats; flats.

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

Sagebrush plains along highway right-of-way; roadcut.

Rolling plains, eroded, sandy slopes, sandstone outcrops, small peak; plains.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sagebrush plains, sandy ditch along road; plains.

Rolling plains, sandy roadcut; plains.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 7.5 air mi E of Buffalo.
Plains, rocky ridges, scoria-topped buttes, loose talus slopes, shaley slopes; plains.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Dry plains, slopes.

U.S.A., Wyoming, Campbell County: Powder River Basin: Dry Trail Creek, along Trail Creek Road, 3.8 road mi E of Wyo Hwy 59.
Sandy cuts in plains, small stream and draw; plains.

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

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

U.S.A., Wyoming, Niobrara County: Powder River Basin: ca 8 air mi NW of Lance Creek.
Sandy plains, deep draws, sandstone outcrops; plains.

U.S.A., Wyoming, Niobrara County: [location and coordinates withheld]
Sandy plain, sandstone ridge, with outcrops; roadside.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Hilly, stony plains.

Rolling, hilly plains over scoria base, occasional outcrops, rocky pine slopes; plains.

U.S.A., Wyoming, Natrona County: Powder River Basin: ca 5.5 air mi W of Midwest.
Sagebrush plain, sandstone outcrops and ridge, sandy roadsides; roadside.

U.S.A., Wyoming, Sheridan County: Powder River Basin: ca 3.5 air mi NW of Parkman.
Hillside along road.

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: ca 3 air mi SSW of Dayton.
Ridge with sandy lower slopes and stream bottom, Gypsum springs and Chugwater formations.

U.S.A., Wyoming, Fremont County: Southwest flank of Copper Mountain, ca 14 air mi NNE of Shoshoni.
South exposure; along road and rocky slopes; precambrian rocks.
with Keith H. Dueholm

U.S.A., Wyoming, Crook County: Black Hills: ridge between Beaver Creek and the Belle Fourche River, ca 5 air mi NNW of Alva.
Sandy ridge with ponderosa pine woodlands and prairies; prairie.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 1 air mi N of I-90 at the Powder River.
Roadside and eroded slopes.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: Four J Road, ca 11 road mi S of Gillette.
Roadside.
with Spencer Tomb and Janice C. Coffey

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Grassy slopes in the rough breaks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Mixed grass upland dominated by Bouteloua. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: W of Deer Creek or County Road 19, ca 2.5 air mi S of the North Platte River; ca 3.3 air mi SW of Glenrock.
Stony, sandy mixed grass slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: just W of 55 Ranch or County Road 23 and just NW of Rolling Hills, ca 4.2 air mi N of Glenrock; ca 3.5 air mi N of the North Platte River.
Sand dunes with active and stabilized areas and blowouts. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: just N of Glendo Dam on Glendo Park Road, ca 4.2 air mi ESE of Glendo; ca 18.3 air mi NW of Guernsey.
Disturbed areas in sandy grassland. 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.
Stony soil in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Beck, North Natrona, or County Road 126, ca 2.7-3.3 air mi N of Natrona; ca 29 air mi NW of Casper.
Sand hills with grassland or silver sage-grassland. Phenology: flowering.

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

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Sandy clay weedy grassland plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Bear Creek ca 1/4 mi above Little Bear Creek on County Road 153, ca 14.3 air mi SE of Chugwater; ca 38.5 air mi SW of Torrington.
Road cuts and adjacent sandy flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Dickau or County Road 47, on a tributary of West Fork Twentymile Creek, ca 19.5 air mi NE of Douglas; ca 10.8 air mi NNW of Shawnee.
Roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Rolling plains on Chugwater red beds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: on the divide between Archie Draw, Coal Draw and Middle Creek just W of Cow Creek Buttes, ca 14 air mi ENE of Bill; ca 40.5 air mi NE of Douglas.
Sandy slope, mostly dominated by large areas of Calamovilfa and Yucca. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: just off the southwest corner of Harmony Heights between Deer and Cherry creeks ca 8.5 air mi SW of Fort Laramie; ca 21.3 air mi W of Torrington.
Rough breaks of sandy slopes, outcrops and draws with juniper, mountain mahogany and some ponderosa pine. Phenology: buds.

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

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along McKenzie Draw and vicinity just above Sand Spring Creek on Ormsby or County Road 705, ca 14 air mi NNE of Casper.
Sagebrush-grassland sand hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Castle Rock and vicinity ca 5 air mi SSE of Midwest; ca 34.5 air mi N of Casper.
Steep clay slopes with sandstone outcrops and rubble at the base of the butte. Phenology: flowering.

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.
Mixed grass grassland with sand-, clay-, and siltstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Brush Creek or County Road 91 ca 0.5 mi W of Brush Creek, ca 17 air mi WNW of Chugwater; ca 14 air mi SW of Wheatland.
Swale and drainage gully through stony plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Atlas or County Road 224 ca 0.5-1 air mi N of Lodgepole Creek and ca 1 air mi W of I-25, ca 16 air mi N of Cheyenne.
Slopes and edge of a gravelly wash through rolling plains. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, 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.
Sandy flats in the stream bottom with patches of silver sage and scattered cottonwoods. Phenology: fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: along Joss or County Road 19 between Lance Creek and Chalk Buttes, ca 6.3 air mi N of Keeline; ca 17 air mi WNW of Lusk.
42.85° N, 104.7722° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road 143 ca 1 air mi S of Little Horse Creek and ca 2.5 air mi N of U.S. Hwy 85 at Midway, ca 18.7 air mi W of Albin; ca 28 air mi NE of Cheyenne.
Sandy road right-of-way adjacent to mixed grass plains. Phenology: buds.

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.
Sandy rolling sagebrush-grassland. Phenology: 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.
Roadside and right-of-way. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: along County Road 41, ca 2 air mi N of the North Platte River, ca 3.5 air mi ESE of Lingle; ca 6 air mi NW of Torrington.
Roadside, adjacent right-of-way and fence row. Phenology: 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 & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Sandy plains and slopes with adjacent irrigation canals. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Johnson Reservoir 3, ca 6 air mi NNW of Wheatland.
Sandy slopes and lake margin. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Sandy slopes. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 3.5 air mi E of Fremont County.
Sand dunes and sandy slopes. Phenology: flowering.
with T. W. Nelson

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34 and I-25 interchange, ca 7 mi S of Wheatland.
Sandy slopes and stream bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Reuter Campground, ca 3 air mi NW of Sundance.
Edge of road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland and eroded slopes north of old hwy 14; Spearfish shale (redbeds). Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills, crooked south draw near old U. S. Hwy 14, ca 3.5 air mi W of Beulah.
Grassland (highway right-of-way). Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Crook County: Black Hills, S of Belle Fourche River near Mona, ca 14 air mi NNE of Hulett.
Grassland on south- and west-facing slopes. Phenology: flowering & fruiting.

Grassland with scattered pines, south- and west-facing slopes. ( ) From field notes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Grassland in canyon bottom, on sandy soil. Phenology: flowering & fruiting.

South-facing slope below limestone cliffs; grassland with scattered ponderosa pines. Phenology: flowering & fruiting.
with Dennis Horning

U.S.A., Wyoming, Crook County: Black Hills: Inyan Kara Mountain, east half.
Grassland on southeast-facing slope. Phenology: flowering & fruiting.

Sandy plains, sandstone outcrops, eroded slopes; roadside. Phenology: flowering & fruiting.

Sandy roadsides, sagebrush plains; roadside. Phenology: flowering & fruiting.

Sandy plains, holding pond; plains. Phenology: flowering & fruiting.

Plains, sandy slopes, sandstone outcrops; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Powder River Basin: ca 2.5 air mi S of Clareton.
Plains along highway right-of-way, sandstone outcrops, ditch; plains. Phenology: flowering & fruiting.

Sandy sagebrush plains, pine slope, old home site; plains. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: over BLM boundary on U.S. Hwy 50, W of Parkdale.
Riparian and pinyon-juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Devils Tower National Monument: draw paralleling Main Road to Visitor Center.
Ponderosa pine understory and sandstone outcrops. Phenology: flowering & fruiting.
with Hollis Marriot and Gael Fonken

U.S.A., Wyoming, Crook County: Black Hills: ca 2 air mi NE of Aladdin.
Prairie, sandstone outcrops, and dry drainage; prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: ca 9 air mi NE of Aladdin.
Pond and roadside; roadside. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Crook County: Black Hills: ridge between Beaver Creek and the Belle Fourche River, ca 5 air mi NNW of Alva.
Sandy ridge with ponderosa pine woodlands and prairies; prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Devils Tower.
Little Missouri Butte. Phenology: fruiting.
David Griffiths, s.n.. 8/13/1897.
with L.W. Carter

U.S.A., Wyoming, Crook County: Beulah.
Red beds; sage-grass. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Albany County: Tie City.
Gravelly plains. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Laramie County: Ca 6 mi W of Midway, ca 1 mi S of U.S. Hwy 85.
41.3572° N, 104.56° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
with J. Von Loh

U.S.A., Wyoming, Sweetwater County: Washingtons Ranch.
Sand hills. Phenology: flowering & fruiting.
with E. N. Wilcox

U.S.A., Wyoming, Laramie County: 10 mi S of Pine Bluffs.
Hills. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Rock River.
Frequent in dry plains. Phenology: flowering & fruiting.
J. Francis Macbride, 2787. 7/5/1914.

U.S.A., Wyoming, Laramie County: Ca 7 mi W of Cheyenne and 1 mi N of U.S. Hwy 30.
Short grass prairie. Flowers pink. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: 10 mi W of Laramie and 0.5 mi N of Hwy 130.
Mixed grass prairie. Flowers pink. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: County Road 34.
Near sandstone outcropping. Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 45. 7/5/1978.
with Keith H. Dueholm

U.S.A., Wyoming, Albany County: Dirt road leading N along east side of Sheep Mountain, ca 3 mi NNE of Woods Landing.
Roadside in gravelly soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Douglas.
Phenology: fruiting.

U.S.A., Wyoming, Converse County: Douglas.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin and Adjacent Regions: Red Desert, Steamboat sand dunes.
T23N R102W S21; also S22

U.S.A., Wyoming, Albany County: Big Hollow: W of Laramie, near Route 44 between Hwy 130 and Hwy 230.

U.S.A., Wyoming, Converse County: Near Little Box Elder Cave.
Growing in the draws, slopes and meadow areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: N of the Casper airport.
Roadside. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Wyoming Fish and Game Department's Rawhide Unit along the North Platte River, ca 3.3 air mi SE of Lingle; ca 6.5 air mi WNW of Torrington.
Ditch bank. Phenology: flowering & fruiting.
Steve Kilpatrick, RH 54. 6/11/1982.

U.S.A., Wyoming, Natrona County: Platte River N of Casper.
In sand hills. Phenology: flowering & fruiting.
with Jane P. Nelson

U.S.A., Wyoming, Laramie County: Campus of Laramie County Community College, SE of Cheyenne.
Short grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Campus of Laramie County Community College SE of Cheyenne.
Short grass prairie. Phenology: vegetative only.
William C. Edwards, 98. 7/1/1983.

U.S.A., Wyoming, Natrona County: Ormsby Road ca 12 mi NNE of Casper.
Sage-grass. with Artemisia cana, Achnatherum. Flowers lavender. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: west base of the mountains ca 9 air mi N of Warren; ca 15 air mi SE of Bridger.
45.1781° N, 108.6723° W; uncertainty 0.25 mi., GPS reading
Stony plains of black sagebrush and bluebunch wheatgrass. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman.

U.S.A., Colorado, Baca County: Comanche National Grassland: along South Fork Sand Arroyo E of County Road 8, ca 11 air mi SSW of Pritchett; ca 21.5 air mi SW of Springfield.
Flats and slopes in rangeland. Phenology: flowering.
Annotated by B. E. Nelson.
with Bernadette Kuhn

U.S.A., Colorado, Baca County: Comanche National Grassland: side canyon of Holt Canyon, ca 1.5 air mi N of Oklahoma, ca 12 air mi SW of Campo.
Lower slopes and bottom of narrow side canyon with hackberry and soapberry. Phenology: flowering & fruiting.
with Bernadette Kuhn

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 13 air mi SE of Vilas.
Shortgrass prairie dominated by Buchloë dactyloides and Bouteloua sp. Phenology: flowering & fruiting.
Annotated by 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, Baca County: Comanche National Grassland: ca 10 air mi SSW of Springfield.
Shortgrass prairie with wet draw. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Baca County: Comanche National Grassland: at radio tower ca 3.5 air mi SW of Springfield.
Shortgrass prairie dominated by Psoralidium tenuifolium and Buchloë dactyloides. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 24 air mi WSW of Pritchett.
Shortgrass prairie with disturbed dugout area and old home site. 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 & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: 5.5 mi W of Campo on County Road J.
Grazed pasture with lone Morus rubra. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 8.5 air mi SW of Campo, intersection of County Road D and County Road 21.
Roadside and sandsage prairie. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 12 air mi SE of Springfield.
Sandsage prairie. Phenology: flowering & fruiting.

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: flowering & fruiting.
with Quinn Long, Jennifer Moody-Weiss, and Gianna Short

U.S.A., Colorado, Baca County: Comanche National Grassland: Carrizo Canyon, S of picnic area along Carrizo Creek, ca 29 air mi SW of Springfield.
Shortgrass prairie dominated by Aristida purpurea and Bouteloua spp. Phenology: flowering & fruiting.
with Amy Tomson

U.S.A., Colorado, Las Animas County: Comanche National Grassland: between Bravo Canyon and Purgatoire River, ca 29.5 air mi SSW of La Junta.
Along base of sandstone outcrops, dominated by Juniperus monosperma, Bouteloua curtipendula, and Cercocarpus montanus. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Las Animas County: Comanche National Grassland: Bravo Canyon, ca 30 air mi S of La Junta.
Sandstone canyon with Ptelea, Cercocarpus, and Gutterizia. Phenology: flowering & fruiting.
with Joe Rankin

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: fruiting.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Red sandstone canyon, grazed heavily, dominated by Buchloë dactyloides. Phenology: fruiting.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Canyon rim lined with scattered Atriplex and Echinocereus. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: in Purgatoire Canyon between Bent and Bravo canyons, ca 28 air mi NW of Kim.
Red sandstone canyon with scattered Juniperus monosperma and Rhus aromatica. Phenology: fruiting.
with Cali Hemenway

U.S.A., Colorado, Baca County: Comanche National Grassland: Picture Canyon, ca 28 air mi SSW of Springfield.
Along sandstone cliffs at park entrance. Phenology: fruiting.
with Cali Hemenway

U.S.A., Kansas, Morton County: Cimarron National Grassland: along Forest Road 627, ca 0.5 air mi N of Cimarron River, ca 10.5 air mi NNE of Elkhart.
Rolling sandsage prairie, dominated by Yucca glauca and Artemisia. Phenology: fruiting.
with Joe Rankin

U.S.A., Colorado, Otero County: Comanche National Grassland and Vicinity: Ninemile Valley at junction of County Road 806 and Colo Hwy 109, ca 16 air mi SSE of La Junta.
Right of way dominated by Aristida purpurea and Cucurbita foetidissima. Phenology: vegetative only.

U.S.A., Colorado, Las Animas County: Comanche National Grassland and Vicinity: along County Road 34, ca 13 air mi E of Kim.
Right of way in sandy prairie dominated by Artemisia filifolia. 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: vegetative only.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Sandy, shortgrass prairie, scattered Mentzelia and Ipomoea amid large clumps of Bothriochloa laguroides. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 6 air mi SE of Kim.
Along two track with Prunus thicket. Phenology: fruiting.

U.S.A., Colorado, Otero County: [location and coordinates withheld]
Along arroyo dominated by Bothriochloa laguroides and Melilotus alba. Phenology: fruiting.
with Edith Hall, Lloyd Hall

U.S.A., Colorado, Otero County: [location and coordinates withheld]
Along sandstone walls of canyon with seeping spring; Prunus thicket and pools with Scirpus, Carex and Juncus. Asplenium platyneuron growing on rock wall. Phenology: fruiting.
with Edith Hall, Lloyd Hall

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 5 air mi E of Utleyville; ca 20 air mi WSW of Springfield.
Sandsage prairie with large stands of Sporobolus and Andropogon gerardii. Phenology: fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 14 air mi SSW of Pritchett.
Stock tank, overflowing into open pool, dominated by Amaranthus and Polygonum. Phenology: flowering & fruiting.

Shortgrass prairie upland above creek dominated by Ratibida columnifera, Sphaeralcea coccinea, and Bothriochloa laguroides. Phenology: fruiting.
with Everett Jackson

U.S.A., Kansas, Morton County: Cimarron National Grassland: along County Road B, ca 4.5 air mi W of Elkhart.
Dominated by Ipomoea leptophylla and Artemisia filifolia. Phenology: fruiting.

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: fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: S of County Road G, ca 12 air mi ESE of Campo.
Sandsage prairie. Phenology: 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: 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, Baca County: Comanche National Grassland: 0.5 mi N of County Road C, along two track, ca 11 air mi SE of Campo.
Dominated by Yucca, Artemisia filifolia, and Sporobolus. Phenology: fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: 1/4 mi S of County Road C, along two track, ca 13.5 air mi SE of Campo.
Sandsage prairie, dominated with Tribulus terrestris as ground cover. Phenology: fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: around Van Bremmer Creek at mouth of Van Bremmer Canyon, 1.8 air mi NW of NM Hwy 64.
Flat, dry shortgrass prairie with Cylindropuntia imbricata, Cirsium undulatum, and Psoralidium tenuifolium. Flowers ligulate, pale lilac, ca. 2 cm across; plants scattered across prairie. Photographed. Specimen GPS: 36.589684, -104.802475. Phenology: flowering.
Annotated by Ben Legler on 2/13/2009.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in Pooler Canyon 1.5 air mi WSW of its junction with the Vermejo River; 3.6 air mi SE of Casa Grande.
Dry dirt road shoulder among canyon bottom grassland. Flowers pale pink; frequent along road. Specimen GPS: 36.838367, -104.951836. Phenology: flowering.
Annotated by Ben Legler on 2/13/2009.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in lower part of Gachupin Canyon 1.5 air mi WNW of its junction with the Vermejo River.
Flat canyon bottom with Krascheninnikovia lanata, Artemisia dracunculus, low grasses. Flowers pale pink, less than 2 cm across; plants frequent in bare soil. Specimen GPS: 36.786667, -104.890884. Phenology: flowering.
Annotated by Ben Legler on 2/13/2009.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in Sawmill Canyon 1.3 air mi NE of its junction with Caliente Canyon; 19.2 air mi SW of Raton.
Dirt road among canyon bottom grassland, with Artemisia dracunculus and short grasses; dry soil. Flowers pink; heads less than 2 cm across; common in road. Photographed. Specimen GPS: 36.826473, -104.777328. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: flats on south side of the Cimarron River 2.6 air mi W of Cimarron.
Dry shortgrass prairie, gravelly soil; with Cylindropuntia imbricata, Krascheninnikovia lanata, and Gutierrezia sarothrae. Occasional. Specimen GPS: 36.512844, -104.96312. Phenology: fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in Crow Canyon at mouth of Little Crow Canyon; 3.8 air mi NW of Koehler.
Dry canyon bottom; rocky soil with Melilotus officinalis, Mentzelia multiflora, Kochia scoparia, and Elymus canadensis. Flowers pink; uncommon in bare soil. Specimen GPS: 36.787407, -104.657944. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Van Bremmer Creek on downstreamside of mouth of Trail Canyon; 12.2 air mi NNE of Cimarron.
Dry canyon bottom grassland, with Chenopodium, Ratibida columnifera, Grindelia, Verbena macdougalii, Krascheninnikovia lanata Flower heads pink; plants scattered. Specimen GPS: 36.688065, -104.869499. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Vermejo River on east side of Vermejo Park; 0.8 air mi SE of Casa Grande.
Moist, silty river bottoms dominated by Salix exigua and Rudbeckia laciniata. Heads pink, ca. 2 cm across; frequent on dry eroding bank above river. Specimen GPS: 36.877766, -104.972672. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: on south side of the Vermejo River 0.9 air mi E of I-25; 3.3 air mi SSW of Maxwell.
Rolling shortgrass prairie; stony soil, with Schizachyrium scoparium, Bouteloua curtipendula, and Eriogonum jamesii. Flowers pink, heads less than 2 cm across; plants locally common. Specimen GPS: 36.489048, -104.561195. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: on south side of Vermejo River 2.2 air mi due W of I-25 and 3.5 air mi SW of Maxwell.
Dry shortgrass prairie, stony soil, with Psoralidium tenuiflorum, Buchloe dactyloides, Bouteloua gracilis, and Engelmannia peristenia. Flowers pink, ca. 2 cm diameter; common. Specimen GPS: 36.513981, -104.603142. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: near Encinosa Creek on south side of U.S. Hwy 64; 3.5 air mi NE of Cimarron.
Dry shortgrass prairie with scattered patches of Quercus ×undulata. Flower heads pink, ca. 2 cm across; uncommon in bare, dry soil. Specimen GPS: 36.530716, -104.852135. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Forest Road 348, ca 29 air mi SW of Livingston.
Road cut in cobbely, sandy soil. Phenology: flowering & fruiting.
with Ken Elliott

U.S.A., Montana, Park County: Absaroka Range: between I-90 and the Yellowstone River in McAdows Canyon, ca 14.5 air mi ENE of Livingston.
Elev. 4280
Disturbed roadside, railroad tracks and river bank. Phenology: flowering & fruiting.
with Brian Elliott

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Robertson Draw area, ca 11 air mi S of Red Lodge.
Glacial till on lower southeast slopes below Madison limestone; black and big sagebrush grasslands with Pinus flexilis on ridges and upper reaches. Phenology: flowering & fruiting.
with Ronald L. Hartman

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

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Clarks Fork Canyon along Clarks Fork Yellowstone River at the mouth of Falls Creek, ca 11.5 air mi SE of Beartooth Pass, ca 25.5 air mi NW of Cody.
Grassland with sagebrush and scattered juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 3.4 road mi on Siloam Road from Colo Hwy 96.
Roadside; dominant species: Melilotus and thistle. Phenology: flowering & fruiting.
Annotated by Brian Elliott.
with Brian Jacobs and Alex Morgan

U.S.A., New Mexico, Harding County: Kiowa National Grassland: Forest Road K121, 9.3 mi NE of Mills.
Shortgrass prairie. Phenology: flowering & fruiting.
Michael Schiebout, 758. 7/12/2004.

U.S.A., New Mexico, Union County: Kiowa National Grassland: Forest Road K83, 17 mi N of Clayton on NM Hwy 406.
Sandy soil, shortgrass prairie. Phenology: flowering & fruiting.
Michael Schiebout, 2907. 8/11/2004.

U.S.A., Montana, Park County: Paradise Valley: in the Carbella Recreation Site on the Yellowstone River, ca 15 air mi NW of Gardiner.
In disturbed area around road and campground and undisturbed slope dominated by introduced grasses and native forbs. Phenology: vegetative only.
with Brian Elliott

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: near West Boulder River above West Boulder Meadows, ca 29 air mi SW of Big Timber.
Dolomite cliffs and loose talus fields below. Phenology: flowering & fruiting.
with Brian Elliott

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: Browns Pond and vicinity on Campbell Creek, ca 6.5 air mi WSW of Ludlow; ca 15 air mi N of Buffalo.
Weedy slopes and flats above the reservoir. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: on the divide SE of Devils Canyon, ca 21 air mi SE of Ekalaka.
Slopes and ravines of a burned area. Phenology: flowering.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: Iron Spring and vicinity and down stream, ca 18 air mi SE of Ekalaka.
Sandy slopes around large sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in and around Seymour Reservoir, ca 0.5 air mi N of Taylor Creek or Forest Road 4127, ca 7 air mi SE of Fort Howes and ca 27 air mi SSE of Ashland.
About reservoir. Phenology: flowering.

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.
Grass-dominated butte top with occasional hardwood draws. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: in the vicinity of Russel Spring just S of Camp Needmore off of Forest Road 3104, ca 6.5 air mi SE of Ekalaka.
Open ponderosa pine and grass-dominated woodland. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: in the vicinity of Oliver Springs, ca 0.5 air mi N of Mont Hwy 323 at Conger Hill, ca 5.5 air mi SE of Ekalaka.
Hardwood draw dominated by green ash and grasses. Phenology: flowering & fruiting.

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

U.S.A., South Dakota, Harding County: Custer National Forest: South Cave Hills: in and around McKenzie Gulch, S of Forest Road 3113, ca 10 air mi N of Buffalo.
On and near sandstone rim of butte, dominated by grasses and ponderosa pine. Phenology: flowering & fruiting.

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

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

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: just E of Forest Road 3117, ca 1/4 air mi SE of Iron Spring, ca 18 air mi NW of Camp Crook, SD.
Grass-dominated meadow into wind-thrown ponderosa pine woodland. Phenology: fruiting.
with G. Gust

U.S.A., Wyoming, Park County: Shoshone National Forest: Crandall Road, Dead Indian Creek.
Rocky limestone soil. Phenology: flowering.
with Dorothy Pearson

U.S.A., Wyoming, Campbell County: Ca 12 mi S of Gillette, near Amax Coal Mine.
T47N R17W
Along roadside with native "weeds". Common. Flowers pale lavender. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Hills SE of Sheridan.

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

U.S.A., Wyoming, Hot Springs County: Ca 5 mi SE of Thermopolis and E of the Wind River Canyon, on the north flank of the Owl Creek Range.
Black sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Hills SE of Sheridan.
Stubble-field. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Aquiduct on south side of Lake Cameahwait, ca 20 air mi ENE of Riverton.
Bank above lake. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Eastern edge of Sand Mesa, W of Boysen Reservoir; ca 22.5 air mi ENE of Riverton.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Lysite badlands, eroded slopes N of pwer line, ca 1.5 air miles NNW of Moneta.
Very sandy soil around brown sandstone outcrops Phenology: flowering.

U.S.A., Wyoming, Goshen County: Springer Reservoir (Goshen Hole Reservoir), ca 1.5 air mi S of Yoder, ca 13.5 air mi SSW of Torrington.
Sandy clay in upland with Artemisia filifolia and Senecio. Occasional. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 5.3 air mi N of Jay Em; ca 27.5 air mi N of Lingle; ca 0.5 mi E of U.S. Hwy 85 near "Five Buttes".
Barrow pits and roadcuts. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East side of Boysen Reservoir, southern edge of bay.
Sandy beach. Phenology: flowering.

Holding pond, flats; flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: ridge between S Bar and East Indian Creeks, ca 1.5 air mi SW of Whitman; ca 18 air mi NE of Lusk.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Antelope Draw on County Road 149, ca 7 air mi N of Burns; ca 27 air mi NE of Cheyenne.
Road shoulders and barrow pits. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Four J Road, ca 11 road mi S of Gillette.
Roadside. Phenology: flowering.
with Spencer Tomb and Janice C. Coffey

U.S.A., Wyoming, Campbell County: Ca 4 air mi ENE of Adonis.
T52N R69W S5; also T53N R69W S32 & S33
Sagebrush plains, ponderosa pine slopes, ravines, eroded slopes, and creekbottom. Phenology: buds.

U.S.A., Wyoming, Natrona County: 3 mi W of Alcova.
Rocky ridge. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: North Prong of Thunder Creek and Little Thunder Creek.
Roadside with western wheatgrass and common Russianthistle. Phenology: flowering & fruiting.
with D. W. Sabinske

U.S.A., Wyoming, Campbell County:
Dry grassy plains. Phenology: buds.
Mary Alice Sanguinetti, 327. 7/11/1978.
with Keith H. Dueholm

U.S.A., Wyoming, Campbell County: Along U.S. Hwy 14-16.
T52N R73W S25; also S36
Grassy plains. Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 244. 7/9/1978.

U.S.A., Wyoming, Fremont County: W of Boysen, 2.1 mi SW of Fremont Bay on the Shoreline Road.

U.S.A., Wyoming, Campbell County: Ca 5 air mi NNW of Hilight.
Scoria topped butte, loose talus slopes.
Mary Alice Sanguinetti, s.n.. 7/16/1978.

U.S.A., Wyoming, Campbell County: Powder River Basin: Dry Trail Creek, along Trail Creek Road, 3.8 road mi E of Wyo Hwy 59.
Sandy cuts in plains, small stream and draw (dry Trail Creek); plains. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Campbell County:
East facing slopes with ponderosa pine. Phenology: buds.

U.S.A., Wyoming, Fremont County: Southwest flank of Copper Mountain, ca 14 air mi NNE of Shoshoni.
South exposure; along road and rocky slopes; precambrian rocks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: South-facing gully near Lake Cameawhait.
Betsy Schimelpfenig, 78. 9/4/1988.

U.S.A., Wyoming: Hanna Creek.
Edges of cultivated fields. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Black Mountain, 20 mi NE of Thermopolis.
Sandy soil; big sage community. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Along Nowood River at the foot of Mahogany Butte, ca 27 air mi S of Ten Sleep, ca 9.5 air mi SSW of Big Trails.
Sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: along U.S. Hwy 14, ca 2 mi E of "Gibbs Bridge".
Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Ca 21 air km SSE of Gillette, 14 air km E of Route 59.
Sandy loam soil in an abandoned oil well. Uncommon. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Washakie County: Willwood Farm, W of Worland on the lower part of the 15 mi drainage area.
Sandy soil with blue grama type vegetation. Phenology: flowering.

U.S.A., Wyoming: Marquette.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: Tensleep Creek Canyon.
44.1032° N, 107.2727° W; NAD 83, uncertainty 2 mi., Digital Map
Dry hillside. Pink flowers. Phenology: flowering & fruiting.
with Rua P. Williams

U.S.A., Wyoming, Sheridan County: Ca 3 air mi SSW of Dayton.
Ridge with sandy lower slopes and stream bottom; gypsum springs and chugwater formations. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Ca 13 air mi WSW of Kaycee and 7 air mi E of Barnum on Wyo Hwy 190 (Barnum Road), along Beaver Creek.
Sandy soil at the base of red cliffs. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Ca 5 air mi NE of Gillette.
Sagebrush plains along hwy right of way; roadcut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Ca 4.5 air mi W of Pine Tree.
Dry plains, sandy roadcuts, depressions; roadside. Phenology: flowering.

U.S.A., Wyoming, Campbell County:
Grassy plains. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Ca 1 air mi N of Interstate Hwy 90 at Powder River crossing.
Roadside and eroded slopes. Phenology: buds.

U.S.A., Wyoming, Campbell County: Pistol Point, ca 2 air mi N of North Pumpkin Butte.
Rolling plains, eroded sandy slopes, sandstone outcrops, small peak. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Ca 4 air mi NW of Spotted Horse, ca 37.5 air mi NW of Gillette Breaks above Spotted Horse Creek.
Loamy clay in sagebrush grassland with Ceratoides. Infrequent. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Ca 3 air mi W of Hilight.
Sandy roadside buttes, loose talus slopes, outcrops, plains; right of way. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Boysen Reservoir, Marsh Drive between the road and the lake shore.

U.S.A., Wyoming, Fremont County: Sweetwater Rocks, ca 8 air mi ENE of Jeffrey City.
Sagebrush grassland. Phenology: flowering & fruiting.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Haines' Farm, ca 9 mi W of Riverton on U.S. Hwy 26.
Lane between horse pasture and big field. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Ca 3 air mi SE of Wyodak.
Rolling plains, sandy roadcut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Ca 3 mi N of Leiter.
Dry plains, slopes. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Ca 7.5 air mi E of Buffalo.
T50N R80W S6 & S7; also T50N R81W S1 & S12
Plains, rocky ridges, scoria topped buttes, loose talus slopes, shaley slopes. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Napier Road, ca 1 mi E of Johnson County.
Plains, draw, eroded slopes, sandy roadcuts; ditch. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Fletcher Canyon.
Dissected plain and open canyon slopes. Phenology: flowering.

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

U.S.A., Wyoming, Converse County:
Sagebrush plains, sandy ditch along road. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Niobrara County: Ca 8 air mi NW of Lance Creek.
Sandy plains, deep draws, sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Ca 2.5 air mi NW of Cow Creek.
Sandy plain, sandstone ridge with outcrops; roadside. Phenology: flowering.

U.S.A., Wyoming, Converse County: Plains and sandy trail near Bozeman Trail Monument.
Sandy slope. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Pratts Soda Lakes, ca 9 air mi NE of Casper.
Sagebrush plain, saltbrush flats, margin of Soda Lake; roadside. Phenology: buds.

U.S.A., Wyoming, Natrona County: Ca 5.5 air mi W of Midwest.
Sagebrush plain, sandstone outcrops and ridge, sandy roadsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: 7 mi SE of Hyattville.
Sandy bank with Bromus and Machaeranthera. Lavender. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: North side of Lake de Smet.
Rolling, hilly plains over Scoria base, occasional outcrops, rocky pine slopes -- plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Ca 3.5 air mi NW of Parkman.
Hillside along road. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: Ca 6 air mi S of Kaycee on TTT Road (Lone Bear Road on maps).

U.S.A., Wyoming, Johnson County: Ca 2 air mi NW of Buffalo.
Hilly, stony plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Sagebrush-grassland. Phenology: flowering & 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: flowering.

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: Custer National Forest: Ashland Ranger District: in the vicinity of Forest Road 4516, ca 2 air mi W of Mont Hwy 484 or Otter Creek Road, ca 6.5 air mi NNW of Fort Howes.
Open ponderosa pine forest with grass and sagebrush-dominated understory. Phenology: flowering.
Accession: USFS 886264

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, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of Cabin Spring near the junction of Forest roads 4425 and 4776D, ca 1.5 air mi N of U.S. Hwy 212, ca 15 air mi E of Ashland.
Ponderosa pine woodland with grass-dominated understory. Phenology: flowering.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: ca 0.5 air mi S of the junction of Forest roads 3818 and 3036, ca 3.5 air mi WNW of Lantis Spring and ca 22 air mi SE of Ekalaka.
Sparsely wooded upland with grass-dominated understory and scattered badland substrates. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of Cow Creek, just S of Forest Road 4095, ca 1.5 air mi W of Otter Creek Road or Mont Hwy 484, ca 2 air mi WSW of Fort Howes.
Ponderosa pine woodland with grass-dominated understory. Phenology: flowering & fruiting.

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

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of South Fork Bloom Creek, just N of Bloom Creek Road, ca 3 air mi ESE of Diamond Butte, ca 14.5 air mi ESE of Fort Howes.
Open ponderosa pine woodland with grass and Artemisia-dominated understory. Phenology: flowering.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of Mud Turtle Reservoir, N of Forest Road 4432, ca 3 air mi NW of Diamond Butte, ca 25.5 air mi SE of Ashland.
Steppe dominated by Artemisia, Psoralidium, and grasses. Phenology: flowering.

Stream bottom, mixed grass and forbs. Phenology: flowering.
Annotated by Ronald L. Hartman.
with Elizabeth Mark

Pinus ponderosa, riparian. Phenology: flowering.
with Elizabeth mark

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: at the end of Winter Ridge Road above and W of Winter Creek, ca 15 air mi SW of Hays; ca 61 air mi SW of Malta.
Sagebrush-grassland. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Phillips County: Along North Forks Road, ca 11 air mi NE of Whitewater; ca 36 air mi NNE of Malta.
Gravelly roadside. Phenology: fruiting.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: on Fourth Ridge, vicinity of Refuge Road 333, ca 2 air mi ESE of Berger Reservoir, ca 14 air mi SW of Fort Peck; ca 25 air mi S of Glasgow.
Steep hillslopes and ridgetop on loamy to sandy soil. Phenology: fruiting.
Joseph L. M. Charboneau, 2640. 7/31/2010.

U.S.A., Montana, Valley County: E of Glentana South Road, ca 8.5 air mi NW of Johnnys Hill, ca 3.5 air mi S of Glentana; ca 9 air mi ESE of Opheim.
Roadside ditch and roadside. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 2687. 8/1/2010.

U.S.A., Montana, Valley County: Burnt Lodge Wilderness Study Area: Larb Hills (South): Plum Coulee on Plum Creek Trail, ca 3 air mi SSE of Castle Butte, ca 46 air mi SW of Glasgow.
Sagebrush-grasslands on clay soil. Phenology: flowering.
Joseph L. M. Charboneau, 2831. 8/3/2010.

U.S.A., Montana, Phillips County: N of Milk River Road, ca 5 air mi WNW of Busche Spring, ca 24 air mi NNE of Malta.
Sagebrush-grasslands on clay soil. Phenology: fruiting.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: Carpenter Coulee, S of Harper Ridge Road, ca 9 air mi SSW of Halfpint Reservoir, ca 41.5 air mi SW of Glasgow.
Sagebrush-grasslands on loamy to clay soil. Phenology: fruiting.

U.S.A., Montana, Madison County: Northern Rocky Mountain Forest: E of Rochester.
T2S R7W S1 NE1/4
10 degree SE slope; shallow coarse sandy loam soil; dry open area. Phenology: flowering & fruiting.
with Lincoln C. Ellison

U.S.A., Montana: Custer National Forest: home of J. C. Rose.
Cornfield. Phenology: fruiting.
William E. Lockhart, 760. 7/20/1924.

U.S.A., Montana, Jefferson County: Deerlodge National Forest.
Open grassland. Dry exposed site. Phenology: flowering & fruiting.
Orville Sparrow, 37. 7/23/1934.

U.S.A., Montana: Absaroka National Forest.
East-facing slope; sandy loam soil. Phenology: flowering & fruiting.

U.S.A., Montana: Denton.

U.S.A., Montana, Big Horn County: Slopes above Fort Smith near substation.
Tall grass prairie. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Crazy Mountains, along Big Timber Creek.
Open grassland in foothils, Phenology: flowering & fruiting.
with C. V. Muhlick

U.S.A., Montana, Gallatin County: Bozeman.
Dry fiels. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Big Horn National Recreation Area: NW of Chain Canyon.
SE-facing gentle lower slope. Phenology: flowering & fruiting.
with D. Ditolla, R. Myers

U.S.A., Montana, Gallatin County: Bozeman.
Loose soil, uplands. Phenology: flowering & fruiting.

U.S.A., South Dakota, Brown County: Aberdean.
David Griffiths, s. n.. 7//1896.

U.S.A., Nebraska, Sheridan County: Metcalf Public Hunting Grounds, 13 mi N of Hay Springs.
Open ridge and Pinus ponderosa forest, ridges. Phenology: flowering & fruiting.

U.S.A., Nebraska: Minden.
Harry Hapeman, s. n.. 7/2/1891.

U.S.A., Nebraska: Halsey.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 9 air mi S of Gardener on County Road 530.
Annotated by Ronald L. Hartman.
with Elizabeth Mark

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on Colo Hwy 96 at the junction of Siloam Road, ca 6 air mi E of Wetmore.
Roadside and grassland. Phenology: flowering.
with Elizabeth Mark

U.S.A., Montana, Phillips County: Bowdoin National Wildlife Refuge: along Refuge Tour Road, near Black Coulee Pond, ca 6 air mi NW of Le Noir Reservoir, ca 3.5 air mi E of the Milk River, ca 7 air mi ENE of Malta.
Grasslands with scattered silver sagebrush on loamy soil. Phenology: fruiting.

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

U.S.A., Montana, Phillips County: Milk River Dodson Dam Unit Wildlife Management Area: ca 3.5 air mi NW of Dodson; ca 21 air mi WNW of Malta.
Grasslands with silver sagebrush on sandy soil with small stands of Russian olive, buffaloberry, and cottonwood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: W of Gas Hills Road, ca 6.9 air mi NE of Jeffrey City.
Sandy road cut and adjacent sagebrush-grassland. Phenology: flowering.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Robertson Draw area, ca 11 air mi S of Red Lodge.
Glacial till on lower southeast slopes below Madison limestone; black and big sagebrush grasslands with Pinus flexilis on ridges and upper reaches. Phenology: flowering & fruiting.
with Ronald L. Hartman
Accession: USFS (unaccessioned), Barcode: USFS0048497

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: in the vicinity of Russel Spring just S of Camp Needmore off of Forest Road 3104, ca 6.5 air mi SE of Ekalaka.
Open ponderosa pine and grass-dominated woodland. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0050512

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of Forest Road 4516, ca 2 air mi W of Mont Hwy 484 or Otter Creek Road, ca 6.5 air mi NNW of Fort Howes.
Open ponderosa pine forest with grass and sagebrush-dominated understory. Phenology: flowering.

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.
Grass-dominated butte top with occasional hardwood draws. Phenology: flowering & fruiting.
Accession: USFS (unaccessioned), Barcode: 886271

U.S.A., Idaho, Butte County: Northern Snake River Plain: semi-natural area along frontage road on the southeast end of Arco.
25-75 individuals estimated in xeric soil within shrub-steppe vegetation, no slope, alluvial geology. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: Massacre Hill, ca 12 air mi SW of Green River.
41.3963° N, 109.6328° W; uncertainty .5 mi., Digital Map
Ridgetop, sandstone outcrops, and steep sand dune slopes. Phenology: buds.

U.S.A., Wyoming, Platte County: Camp Guernsey: floodplain along North Platte River, ca 1.4 to 2.1 km N of Wendover Bench Ranch, 2.0 km S of Impact Area.
Flat, west-facing to northwest-facing; floodplain; growing on steep sandy riverbank; silt with cobbles; with Artemisia, Bromus, Elaeagnus, Heterotheca, Juniperus spp. Scattered; erect to ascending, perennial herb; 30-40 cm tall; corolla pinkish white. Phenology: flowering & fruiting.
Patricia P. Douglas, 489. 8/23/1995.
with B. E. Nelson, Nancy E. Hastings, Rosalie M. Smith

U.S.A., South Dakota, Fall River County: Ca 10 mi SSW of Hot Springs along SD Hwy 71.
43° 17.8' N, 103° 34' W; unknown, , GPS reading
Sandy roadside with Artemisia and Croton. Flower pink. Phenology: flowering & fruiting.

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 Reservoir.
Level to sloping on each side of drainage; grassland in canyon drainage; silty loam; with Hesperostipa comata, Agropyron cristatum, Pascopyrum smithii, Achillea millefolium, Bromus japonicus, B. inermis. Scattered; erect, perennial herb; 3 dm tall. Phenology: flowering & fruiting.
with P. Block

U.S.A., Wyoming, Albany County: West slope Laramie Range: ca 1.5 mi NE of U.S. Hwy 30, ca 3.4 air mi E of downtown Laramie.
Terrance above draw, silt loam; with Artemisia nova, Elymus lanceolatus, Sphaeralcea coccinea. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: East Gulch: along East Gulch and surrounding slopes and ridges, at end of County Road 27, ca 5.2 air mi N of town of Texas Creek. C1/2
Open grassy flat along the stream. Phenology: flowering & fruiting.