Tradescantia occidentalis (1930)
COMMELINACEAE
Tradescantia occidentalis (Britton) Smyth
U.S.A., New Mexico, Roosevelt County: 5 mi NE of Portales.
Elev. 4000 ft.
Sandy dunes. Phenology: flowering & fruiting.
Annotations:
Annotated by B. E. Nelson in 2004.
with C. L. Hitchcock
Accession: RM 177137

Tradescantia occidentalis (1990)
COMMELINACEAE
Tradescantia occidentalis (Britton) Smyth
U.S.A., Arizona, Navajo County: Apache National Forest; Sitgreaves National Forest; Heber area.
Elev. 6600 ft.
T13N R16E S22
Phenology: flowering & fruiting.
Accession: RMRS (unaccessioned)

Tradescantia occidentalis (2007)
COMMELINACEAE
Tradescantia occidentalis (Britton) Smyth
U.S.A., Kansas, Morton County: Cimarron National Grassland: along Cimarron River, ca 12.5 air mi NE of Elkhart.
Elev. 3313 ft.
Cottonwood gallery forest. Sandy soil. Stands of Tamarix along river bank. Phenology: flowering & fruiting.
Annotations:
1. Tradescantia occidentalis (Britton) Smyth
Annotated by Bernadette Kuhn.
Accession: RM (unaccessioned)

U.S.A., Colorado, Baca County: Comanche National Grassland: County Road C above Carrizo Creek, ca 2 air mi W of Little Black Mesa and ca 1 air mi N of Oklahoma, ca 33.5 air mi SW of Springfield.
Slopes with sandstone and with scattered pinyon and juniper. Phenology: flowering & fruiting.
Annotations:
1. Tradescantia occidentalis (Britton) Smyth
Annotated by B. E. Nelson.
with Bernadette Kuhn
Accession: RM (unaccessioned)

U.S.A., Colorado, Baca County: Comanche National Grassland: off County Road 8 at the head of Pat Canyon, ca 8 air mi N of Oklahoma and ca 2.5 air mi S of the abandoned Kirkwell Post Office, ca 27 air mi SW of Springfield.
Sandy cobblestone draws, abandoned gravel pit, and flats above. Phenology: flowering & fruiting.
1. Tradescantia occidentalis (Britton) Smyth
Annotated by Bernadette Kuhn.
with Bernadette Kuhn
Accession: RM (unaccessioned)

U.S.A., Colorado, Baca County: Comanche National Grassland: at the intersection of County roads 13 and U, ca 8.5-9 air mi S of Pritchett; ca 16.5 air mi SW of Springfield.
Sandsage rangeland with large areas of Bromus tectorum and areas of barren sand. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.
with Bernadette Kuhn

U.S.A., Kansas, Morton County: Cimarron National Grassland: along Cimarron River and Turkey Trail ca 1 air mi E of Kan Hwy 27, ca 8.5 air mi N of Elkhart.
Silty flats in open cottonwood forest. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along Cimarron River and Turkey Trail ca 4 air mi ENE of Kan Hwy 27, ca 10.5 air mi NNE of Elkhart.
Buffalo grass rangeland. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along Forest Road 736 at the end of County Road F, ca 2.5 air mi ESE of Wilburton; ca 10 air mi ENE of Elkhart.
Sand or silt on weedy sandsage rangeland. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: branch of West Ute Canyon, ca 1 1/4 mi E of County Road 24, ca 5.5 air mi SSW of Campo.
Sandy to sandy silt rangeland. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Picture Canyon, ca 28.5 air mi SSW of Springfield.
Lush canyon with Salix-dominated wet draw. Canyon rim dominated by Juniperus. Shortgrass prairie with Yucca sp., Opuntia sp., and Buchloë dactyloides; grazed. Phenology: flowering.
Annotated by Bernadette Kuhn.
Bernadette Kuhn, 789. 6/7/2007.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 25 air mi SW of Springfield.
With Stipa and Yucca glauca. Phenology: flowering.
Bernadette Kuhn, 896. 6/7/2007.

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

U.S.A., Kansas, Morton County: Cimarron National Grassland: along the Cimarron River, 7 mi N of Elkhart.
Along river in cottonwood gallery forest. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 7 mi N of Elkhart.
Near windmill. Phenology: flowering.

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

U.S.A., Colorado, Baca County: Comanche National Grassland: North Ute Canyon, 27 air mi S of Springfield.
Rocky upland area with Yucca and Opuntia. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 5.5 air mi S of Kim.
Rolling grasslands, sandstone outcrops, and roadside. Phenology: flowering.
with Bernadette Kuhn, Laura E. Lukas

U.S.A., Colorado, Otero County: Comanche National Grassland: Vogal Canyon, from trail head to south end at fence line.
Pinyon-juniper canyonland, sandstone; with willow and cottonwood thickets near fence. Phenology: flowering.
Annotated by Ronald L. Hartman.
with Bernadette Kuhn, Laura E. Lukas

U.S.A., North Dakota, Richland County: Kindred.
Sand hills. Phenology: flowering.
Accession: RM 154369

U.S.A., Nebraska, Sioux County: Rimrock Ranch.
T32N R53W S32
Upland ridge among pine trees. Phenology: flowering.
Annotated by Steve Rolfsmeier on 6//1987.
Accession: RM 736527

U.S.A., Nebraska, no county County: Nebraska National Forest.
Phenology: flowering.
Annotated by Tidestrom.
Accession: USFS 438916

U.S.A., Nebraska, Sheridan County: 9 mi E of Gordon.
Sand hills. Phenology: flowering.

U.S.A., Nebraska, Kearney County: Minden.
Phenology: flowering.
Harry Hapeman, s.n.. 5/31/1920.

U.S.A., Nebraska, Kearney County: Minden.
Phenology: flowering.
Carrie Hapeman, s.n.. 5/21/1891.

U.S.A., Nebraska, no county County:
Phenology: fruiting.
Annotated by R. E. Woodson Jr. on 10//1934.

U.S.A., Nebraska, Brown County: Long Pine.
Phenology: flowering & fruiting.
Annotated by R. E. Woodson Jr. on 10//1934.

U.S.A., Nebraska, Sheridan County: Metcalf Public Hunting Grounds, 13 mi N of Hay Springs.
South facing slopes; open ridges and Pinus ponderosa forest. Phenology: flowering.

U.S.A., Nebraska, Lincoln County: 6 mi E of Brady.
Sandy soil. Phenology: flowering.

U.S.A., Nebraska, Cherry County: Deweys Lake.
Phenology: fruiting.
Annotated by R. E. Woodson Jr. on 8//1934.

U.S.A., Nebraska, Lincoln County: North Platte.
Phenology: flowering & fruiting.

U.S.A., New Mexico, Union County: Kiowa National Grassland: Forest Road K34, 8 1/2 air mi SW of Clayton.
Elev. 1424 m.
Around stream (riparian) and shortgrass prairie. Phenology: flowering.
Michael Schiebout, 5587. 6/8/2005.
Accession: RM 824051, Barcode: RM0126694

U.S.A., New Mexico, San Miguel County: Bell Ranch: 7 mi E of mile marker 37 on NM Hwy 419, 8.7 air mi SW of Mosquero.
Elev. 1400 m.
Grazed prairie, sandy soil. Phenology: flowering.
Michael Schiebout, 3813. 5/20/2005.
Accession: RM 823891, Barcode: RM0126762

U.S.A., Montana, Custer County: Pasture L; Custer Flat, near highway gate.
Sandy soils. Phenology: flowering & fruiting.
Accession: USFS 438921

U.S.A., Montana: Custer National Forest.
T5S R45E
West slope, shale. Phenology: flowering.
Accession: USFS 438922

U.S.A., Montana, Carter County: Custer National Forest: McClary Ranger Station.
Sandy soil; with Grama, Carez, wheat-grass. Phenology: flowering.

U.S.A., Montana, Big Horn County: S of Big Bull Elk Creek on edge of Yellowtailtail Reservoir.
Sand dunes with Agropyron/Chrysothamnus cover class. Phenology: flowering.

U.S.A., Montana, Big Horn County: Decker Wuadrangle, East Decker Coal Site.
In sagebrush scrub Phenology: flowering.

U.S.A., Wyoming, Platte County: Grayrocks Dam to E, ca 14 mi NE of Wheatland.
Rocky bank above dam, with Erysimum and Penstemon albidus. Flowers blue-purple. Phenology: flowering & fruiting.
Accession: RM 921805, Barcode: RM0080040

U.S.A., Wyoming, Laramie County: Ca 7 mi S of Meriden.
Sandy bank, with Cryptantha and Abronia. Flowers blue-purple. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Ca 4 mi NE of Mule Creek Junction.
Sandy grassland, with Abronia and Aristida. Flowers blue. Phenology: flowering & fruiting.

U.S.A., South Dakota, Fall River County: Ca 2 mi NE of Edgemont.
Elev. 3500
43° 19' N, 103° 48.5' W; unknown, , Specimen Label
Sandy bank, with Bromus tectorum, Hesperostipa comata. Flowers blue. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: S of Sand Creek, ca 3 air mi NE of Ferris; ca 30.3 air mi N of Rawlins.
Rolling sand hills, with Stipa comata, Calamovilfa longifolia, Artemisia cana var. cana. Phenology: flowering.
with Frank Blomquist

U.S.A., Wyoming, Platte County: Camp Guernsey: Osburn Ranch parcel in Sawmill Canyon; north end of transect ca 1.3 km due E of North Platte River, ca 3.8 km NW of Impact Area center, ca 10.7 km NW of Range Control.
Elev. 1378 m.
South-facing slope; pine juniper open woodland with areas of mixed grass prairie; silty loam with gravel to cobbles with rock outcrops; with Pinus ponderosa, Juniperus scopulorum, Bouteloua gracilis, B. curtipendula, Schizachyrium scoparium, Artemisia nova, Allium textile, Parthenium alpinum, Hesperostipa comata. Infrequent; sprawling, fleshy roots, perennial herb; 2.5 dm tall; corolla blue. Phenology: flowering & fruiting.
with P. Block

U.S.A., Wyoming, Platte County: Camp Guernsey: Osburn Ranch parcel; east end of transect ca 3.9 km NE of Guernsey Reservoir, ca 570 m due W of Range Control.
Rolling with walls; narrow canyon with mixed grass shrubland/occasional pine and juniper; silty loam and rock outcrops; with Rhus aromatica, Toxicodendron rydbergii, Clematis ligustifolia, Schizachyrium scoparium, Prunus virginiana, Juniperus scopulorum, Cheilanthes feei. Infrequent; ascending, fibrous rooted, perennial herb; 3.5 dm tall; corolla violet. Phenology: flowering & fruiting.
with P. Block

Tradescantia occidentalis var. occidentalis (2002)
Tradescantia occidentalis (Britton) Smyth var. occidentalis
U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: N of Keyton Creek off Keyton Creek or Forest Road 937, ca 47 air mi WSW of Newcastle; ca 23 air mi NNE of Bill.
Ponderosa pine woods on sandy slopes with sandstone outcrops, small meadows, and draws. Phenology: flowering.
1. Tradescantia occidentalis (Britton) Smyth var. occidentalis
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

Tradescantia occidentalis var. occidentalis (2002)
Tradescantia occidentalis (Britton) Smyth var. occidentalis
U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on the divide between Lake and Meadow creeks and to the W, ca 14 air mi NE of Bill; ca 46 air mi NNE of Douglas.
Sandstone ridge with scattered ponderosa pine and grassy areas. Phenology: flowering & fruiting.
1. Tradescantia occidentalis (Britton) Smyth var. occidentalis
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

Tradescantia occidentalis var. occidentalis (2002)
Tradescantia occidentalis (Britton) Smyth var. occidentalis
U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along West Fork Duck Creek, ca 7.5 air mi NE of Soda Well, ca 28 air mi NE of Gillette.
Sandy clay slope along the creek. Phenology: flowering.
1. Tradescantia occidentalis (Britton) Smyth var. occidentalis
Annotated by Peter J. Ebertowski.

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

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Sand Creek, ca 2 air mi SW of summit of Bear Mountain.
Along stream through sand dunes. Phenology: flowering.
Annotated by Amy J. Roderick.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Cow Camp on Buck Creek, off of Forest Road 926, ca 25 air mi E of Wright; ca 41 air mi WSW of Newcastle.
Sagebrush/grassland. Phenology: flowering & fruiting.
Peter J. Ebertowski, 287. 6/20/2002.
with B. E. Nelson

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: hills forming southwest portion of Archie Draw on Forest Road 962, ca 13 air mi ENE of Bill; ca 26 air mi NW of Lance Creek.
Wyoming big sagebrush grassland intermixed with yucca. Phenology: flowering.
Peter J. Ebertowski, 4139. 6/2/2003.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge along Lodgepole Creek on Cheyenne River or County Road 54, ca 24 air mi SW of Newcastle; ca 52 air mi ESE of Wright.
Depressions of fine sand and sandstone in grassland. Phenology: flowering.
Peter J. Ebertowski, 4347. 6/6/2003.

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

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

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: hills N of Snyder Creek and SE of the confluence of Windmill and North Pasture draws, on Dixon or County Road 2, ca 38 air mi SW of Newcastle; ca 28 air mi N of Lance Creek.
Sandstone outcrop and sandy area below. Phenology: flowering.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills S of and draining to West Fork Fiddler Creek on Upton - Fairview or County Road 59, ca 11 air mi S of Upton; ca 22 air mi WNW of Newcastle.
Grassland in sandy soil with rock outcrops. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills W of Little Powder River on Wyo Hwy 59, ca 7 air mi S of Montana; ca 43 air mi N of Gillette.
Stipa comata grassland in sandy soil, Opuntia ubiquitous. Phenology: flowering.

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

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: low hills SE of Cheyenne River, on U.S. Hwy 18, ca 1 air mi SE of Mule Creek Junction; ca 32 air mi S of Newcastle.
Grassland with small patches of yucca and prairie sandreed. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills NW of confluence of Hay and Beaver creeks, on Old Highway 85 or County Road 9, ca 20 air mi S of Newcastle; ca 4 air mi N of Niobrara County.
Grassland in clay hills. Phenology: flowering.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: west slope of Soda Butte, on Wyo Hwy 116, ca 10 air mi SW of Upton; ca 44 air mi ESE of Gillette.
Stipa comata grassland. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: low hills N of Flat Creek, on LA Ranch or County Road 10, ca 33 air mi NE of Gillette; ca 31 air mi NNW of Moorcroft.
Grassy hilltop with small rock outcrops. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: sagebrush grassland ca 1.3 mi NW of Soda Well, on Forest Road 1032, ca 31 air mi NNE of Gillette; ca 35 air mi NNW of Moorcroft.
Steep slope below yucca-lined ridge in badlands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Cow Creek Buttes along and including Owl Creek, on four wheel drive road off Forest Road 958, ca 15 air mi E of Bill; ca 39 air mi NNE of Douglas.
Rocky badlands with ponderosa pine and Rocky Mountain juniper in shallow ravines. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: tributary of Skull Creek, E of Sunquist Draw, on County Road 14, ca 13 air mi ESE of Upton; ca 15 air mi NE of Newcastle.
Grassy slope with Stipa comata and Schizachyrium. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: TA Buttes on two-track road off Union Chapel Road, ca 6 air mi SE of Gillette; ca 4.5 air mi S of Wyodak.
Mosaic of silver sagebrush grassland and grassland, sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Shale hills and sandy areas and badlands. Phenology: flowering.
with Amy J. Roderick and Cherie Winner

U.S.A., Wyoming, 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: fruiting.

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

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: grassland ca 1.8 mi N of Greasewood Creek, on Greasewood or County Road 10, ca 40 air mi N of Lusk; ca 24 air mi NE of Lance Creek.
Grassland, Carex filifolia and Calamovilfa longifolia abundant. Phenology: 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!
Sandy swale of Calamovilfa. Phenology: 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.
Grassy hill top with Schizachyrium and Calamovilfa. Phenology: fruiting.

U.S.A., Arizona, Yavapai County: Coconino National Forest: Sterling Canyon, W of Oak Creek Canyon.
Oak/pine woodland. Phenology: flowering & fruiting.
with James F. Fowler

U.S.A., Colorado, Gilpin County: Arapaho National Forest: Front Range: along Colo Hwy 119 and North Clear Creek, W of Cottonwood Gulch, ca 5 air mi SE of Central City.
Roadside and adjacent steep, rocky slope. Phenology: flowering.
Annotated by Erin Foley.
with Erin and Michael Foley

U.S.A., Arizona, Pima County: 12 mi S of Superior, along Hwy 177.
Rocky canyon walls. Phenology: flowering.

U.S.A., Arizona, Gila County: Tonto National Forest: 3 Bar Study Area.
T4N R10E S2
10% north slope; gravelly loam; chaparral type; with Q. turbinella, Cercocarpus sp., Rhamnus crocea, Rhus ovata. Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: along County Road 18, N of French Creek and ca 1 1/4 air mi W of the Cheyenne River, ca 3 air mi WSW of Red Shirt; ca 18 air mi SE of Hermosa.
Stony, gravelly slopes with scattered sand sagebrush. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: along County 1C, ca 0.5 mi E of U.S. Hwy 385, ca 5.5 air mi W of Smithwick; ca 12 air mi SE of Hot Springs.
Sandy soil on right of way in sandy grassland. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 4.5 air mi SSE of Scenic on Forest Road 7172, near the Cheyenne River.
On revegetated and stabilized sand dunes of the river. Phenology: flowering.

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 13 air mi NW of Crawford at Roundtop Mountain.
Mountain of pine in rock and sand soils pine woodland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Sand Creek Canyon at east end of range, ca 17 air mi N of Independence Rock.
Creek and adjacent sand dunes. Phenology: flowering & fruiting.
with Kevin J. Taylor

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 11 air mi WSW of Edgemont and 2-2.5 mi S of U.S. Hwy 18.
Shale slopes and draw bottom. Phenology: buds.

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

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 7 air mi SW of Kadoka.
On rolling prairie near the rim of a drainage/draw, in silty loam soils. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 8.5-9 air mi SW of Kadoka.
On gently rolling prairie with silt loam soils having a deep clay pan base. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 5 air mi SE of Wall.
Flat to rolling grass uplands draining into clay basin floodplains; soils are sand and silt on uplands to heavy clay in basin bottoms. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6.5 air mi SE of Wall.
Flat to rolling grass uplands draining into clay basin floodplains; soils are silt and sand on uplands and heavy clay in basin bottoms. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 24 air mi NW of Crawford on hill immediately adjacent to and E of Milo Road.
Pinus ponderosa covered ridge of escarpment; soils are sand. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 3/4 mi due W of Scenic on County Road C580.
Roadside right-of-way. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Forest Road 556, ca 3.5 air mi SE of Ojo Caliente.
Pinyon/juniper woodland. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Cerro Azul, Forest Road 157, ca 5.5 air mi S of Taos Junction.
Sandy flats with pinyon/juniper and northeast aspect of rocky slope. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Canyon de los Commanches along Forest Road 97 near secondary Forest Road 97T5, ca 11.5 air mi S of Tres Piedras.
Canyon bottom with Artemisia tridentata, pinyon/juniper woodland with silty/sandy soils. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: along the old Chili Line Railroad Grade and Forest Road 557 just SE of Taos Junction, ca 9.5 air mi ENE of Ojo Caliente.
Pinyon forest with sagebrush on sandy to sandy clay soil. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: along Canada Embudo and adjacent slopes from Clarkson Tank N, ca 10 air mi E of Ojo Caliente.
Pinyon/juniper forest on sandy to gravelly slopes. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Canada de los Comanches ca 1.5 air mi SE of Petaca Mesa, ca 2.5 air mi NE of Servilleta Plaza and ca 8 air mi NW of Taos Junction.
Pinyon/juniper woodland with large openings of Artemisia tridentata in canyon bottom and drainage areas; sandy soil and sedimentary rock outcrops. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Canada de los Comanches along Taos County line, ca 2 air mi SE of Servilleta Plaza and ca 6 air mi NW of Taos Junction.
Sandy soils with Gutierrezia sarothrae, Chrysothamnus nauseous, Heterotheca villosa, Bouteloua gracilis, and Sporobolus species. Phenology: flowering.

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

U.S.A., Wyoming, Goshen County: Wetlands and Adjacent Areas: Sandy Beach, Guernsey Reservoir, ca 5 air mi NW of Guernsey.
Sandy beach and uplands. Phenology: flowering.

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

U.S.A., Wyoming, Campbell County: Wetlands and Adjacent Areas: Spotted Horse Creek, ca 16 air mi NNE of Arvada; ca 56 air mi E of Sheridan.
Dry sandy flood plains and hillsides. Phenology: flowering.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Keyhole Reservoir, ca 9 air mi NE of Moorcroft.
Sandy rocky uplands. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Greyrock National Recreation Trail off Colo Hwy 14, ca 11 air mi NW of Fort Collins.
Shrubby, steep and dry, south facing hillsides with Cercocarpus, Purshia, Opuntia, and Delphinium, and Prunus in shallow ravines. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Haystack Rock off County Road 80C in Cherokee Park past Trail Creek, ca 28 air mi NNW of Fort Collins.
On Purshia hillsides with dry gravel washes with Potentilla, granite boulder piles, a few small running streams into Trail Creek, and occasional ponderosa pines. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: The Narrows on U.S. Hwy 34, just W of the bridge over the Big Thompson River, S of Alexander Mountain, ca 6 air mi W of Loveland.
Steep sided ravine with rocky south and east facing slopes, shrub cover of Ribes and Rubus with Bromus and Thermopsis. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: along Young Gulch Trail S of Colo Hwy 14, ca 13 air mi NW of Fort Collins.
Wet creekside with a slight incline, with Toxicodendron, Salix, and ponderosa pine canopy. Phenology: buds.

U.S.A., Wyoming, Platte County: Near Guernsey.
42.2698° N, 104.7444° W; NAD 83, uncertainty 1 mi., Digital Map
Rocky hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: South flank of the Seminoe Mountains.
42.15° N, 106.9055° W; NAD 83, uncertainty 4 mi., Digital Map
On the sand dunes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: 6 mi W of Alcova.
42.554° N, 106.8305° W; NAD 83, uncertainty 1 mi., Digital Map
Sandy soil grade. Phenology: flowering.

U.S.A., Wyoming, Platte County: Near confluence of Muleshoe Creek and South Sybille Creek.
Dry sandy soil. Tradescantia occidentalis x T. bracteata ? MacRobe Phenology: flowering.

U.S.A., Wyoming, Niobrara County: 40 mi N of Lusk.
Sandy sagebrush-grassland rolling hills. Phenology: flowering.

U.S.A., Wyoming, Crook County: Bear Lodge Range: between Alva and Aladdin.
Open ponderosa pine forest. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Arroyo del Torro adjacent to U.S. Hwy 84.
Roadside right-of-way. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Canyon Madera, first mile from road.
Sandy slopes and stream bottom. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Arroyo Gavilan, 2.3 road mi S of Taos County on U.S. Hwy 285.
Sandy drainage. Phenology: flowering.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: along Arroyo Leguino just below the northwest end of Mesita de los Ladrones, ca 7.5-8 air mi E of Villanueva; ca 21 air mi S of Las Vegas.
Sandy flat valley floor above the arroyo. Phenology: flowering & fruiting.

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

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: Forest Road 85 at northern forest boundary, 1.5 air mi S of Bernal. Within 0.3 air mi of N35.367 W105.310.
Broad grassy plain with scattered juniper, and roadside. Phenology: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: ca 18 air mi SSW of Las Vegas; ca 2 air mi NE of El Cerrito.
Sandy and rocky drainage and roadside with Juniperus osteosperma and Pinus edulis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: 30 mi N of Lusk, Zerbst Ranch.
Short grass plains. Phenology: flowering.

U.S.A., Wyoming, Natrona County: CY Horse Ranch.
Sandy draws. *37451 Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Platte Hills.
*Field book Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Torrington.
42.0627° N, 104.1843° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Sandy river banks. Phenology: flowering.

U.S.A., Wyoming, Converse County: Douglas.
Sandy ridges. Phenology: flowering & fruiting.

U.S.A., Wyoming:

U.S.A., Wyoming, Laramie County: Porter Creek, 8 mi E of U.S. Hwy 85 on Chalk Bluffs Road, S of Cheyenne.
Common in sandy soil of the grazed land along the creekwith Senecio tridenticulatus and Abronia fragrans. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Table Mountain Wildlife Unit.
41.8563° N, 104.14° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!

U.S.A., Wyoming, Platte County: Near silo T-11, ca 5 mi NE of Wheatland.
Sandy grassland. Phenology: flowering & fruiting.
with J. Von Loh

U.S.A., Wyoming, Converse County: LaPrele Creek at Ayers Natural Bridge; ca 12 air mi WSW of Douglas.
Common with sagebrush on sandy hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Ferris.
Annotated by D. T. MacRoberts in 1977.

U.S.A., Arizona, Coconino County: Painted Desert: Laguna Canyon.
10-11 Jul 1920 Phenology: flowering.
Annotated by R. E. Woodson in 1934.

U.S.A., Wyoming, Albany County: Sybille Canyon.

U.S.A., Arizona, Navajo County: Navajo Indian Reservation: Navajo Creek.
Fairly common. 9 Jul-24 Aug 1919 Phenology: flowering.
Annotated by R. E. Woodson in 1934.

U.S.A., Wyoming, Platte County: Between Fish Creek and Cottonwood Creek, 28 road mi NW of Wheatland.
Dry sand draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Reservoir E of County Road 351, ca 3 air mi SSE of Seminoe Dam.
Sandy shores and banks. Phenology: flowering.

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

U.S.A., Wyoming, Teton County: Near Jackson Dam.

U.S.A., Wyoming, Weston County: Newcastle.
Dryish roadside. Phenology: fruiting.
with Leroy Peiler

U.S.A., Wyoming, Natrona County: Alcova.
42.5557° N, 106.7186° W; NAD 83, uncertainty 0.75 mi., Digital Map
Hot white sands. Phenology: flowering & fruiting.
Leslie N. Goodding, 175. 7/1/1901.

U.S.A., Wyoming, Natrona County: CY Ranch.
Sandy draws. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southeastern Plains: Bear Creek from ca 1/4 air mi upstream of crossing of U.S. Hwy 85 to ca 1/4 air mi downstream of crossing, 1/4 mi S of junction of Wyo Hwy 151, ca 3.8 mi W of La Grange.
Uplands bordering streamside Symphoricarpos occidentalis community. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southeastern Plains: north bank of the North Platte River (Wyoming Game and Fish Department Rawhide Unit).
Populus deltoides community on north side of river with shrubby understory. Phenology: flowering.
Michele Barlow, 72. 6/7/1991.

U.S.A., Wyoming, Platte County: Along U.S. Hwy 26, 5 mi W of Guernsey.
Roadside among siltstone outcrops in prairie with Agropyron, Bromus, Rhus trilobata. Phenology: flowering.
with Gregory K. Brown and T. M. Evans

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

U.S.A., Wyoming, Albany County: Laramie Mountains: ca 25 mi SW of Wheatland on Neuces Ranch (old Adam Boyd Ranch) along road to old William Boyd Ranch.
On rocky hillside. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Hills E of Sheridan.
Sandy slope. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Wyoming Game and Fish Department's Rawhide unit along the North Platte River, ca 3.3 air mi SE of Lingle, ca 6.8 air mi WNW of Torrington.
Steve Kilpatrick, RH92. 6/9/1982.
with J. L. Robinson

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

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.
with Jane P. Nelson

U.S.A., Wyoming, Platte County: Guernsey State Park: peninsula on northeast shore of Guernsey Reservoir, ca 2 1/4 air mi NW of Powell Mountain, ca 5 air mi NW of Guernsey.
T27N R66W S7; also S8
Steep shady limestone-shale canyon on south-facing slope with Prunus, Populus angustifolia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: 20 mi S of Newcastle.
Dry roadsides. Phenology: flowering & fruiting.

Tradescantia occidentalis var. occidentalis ()
U.S.A., Arizona, Gila County: Tonto National Forest: 3 Bar.
Accession: RMRS 268

U.S.A., Utah, Kane County: Off Dixie National Forest: 3 Lakes Canyon.
with M. J. Pettit
Accession: RMRS 266

U.S.A., South Dakota, Fall River County: Black Hills, along road to Mount Rushmore.

U.S.A., South Dakota, Pennington County: Black Hills: along road to Mt. Rushmore.

U.S.A., South Dakota, Meade County: Sturgis.
T5N R5E S10

U.S.A., South Dakota, Meade County: Sturgis.
Annotated by R. E. Woodson, Jr. in 1934.

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

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland: Bloom Basin, 5 mi SE, 1.7 mi S Wall
Scattered on hillside; sandy soil. Elev more likely 2650 (+/-) (USGS 7.5) G. Bryson Phenology: flowering.
Annotated by Charles Feddema.
with E. C. Garrett

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland: 3 mi S and 1 mi W of Cactus Flats.
T3S R18E S12
Sandy clay soil; with Agropyron smithii, Bromus japonica, Bouteloua gracilis. Phenology: flowering.
Annotated by Charles Feddema.
with E. C. Garrett

U.S.A., South Dakota, Custer County: Harney National Forest: Piety Hill, Custer.
T3S R4E S23
On 20 percent south slope; rocky clay loam soil; grass and weed type. Phenology: flowering.
Accession: USFS 438918, Barcode: USFS0068810

U.S.A., South Dakota, Fall River County: Harney National Forest.
On level slope; deep loam soil; roadside in short grass. ELEVSTR 3180 3440 f (USGS 7.5') G. Bryson RMH Phenology: flowering.
Accession: USFS 438917, Barcode: USFS0069091

U.S.A., South Dakota, Harding County: Custer National Forest: E of Jesse Elliot Ranger Station.
On 3 percent northeast slope; deep clay loam soil; weed and browse type with buckbrush, sedge, Stipa, etc. Phenology: flowering.
with William E. Lockhart
Accession: USFS 438919, Barcode: USFS0068809

U.S.A., South Dakota, no county County:
Annotated by R. E. Woodson, Jr. in 1934.

U.S.A., Colorado, Douglas County: 1 mi S of Larkspur.
Gravelly soil in shade. Phenology: flowering & fruiting.
with Snyder

U.S.A., Colorado, Yuma County: J. Conrad property: N of Wray; 5.5 mi N of Hwy 34; 1 mi E of County Road BB. Eckley NE Quadr.
Sand hills. Phenology: flowering.

U.S.A., Colorado, Larimer County: Phantom Canyon Preserve: ca 25 mi N of Fort Collins along U.S. Hwy 287: ca 1 mi S of visitor center.
Common, in drainage on a rock cliff. Phenology: flowering.

U.S.A., Colorado, Larimer County: 0.25 mi W of U.S. Hwy 287; 21.9 mi S of Virginia Dale.
Meadow, in sandy soil, with Agropyron, yucca, Delphinium and fringed sage . Phenology: buds.

U.S.A., New Mexico, Sandoval County: Rio Puerco National Forest: Cucho Arroyo Allotment: pasture 3.
Scattered with Sporobolus, Hilaria and Bouteloua. Phenology: fruiting.
Annotated by Charles Feddema in 1979.

U.S.A., Colorado, Larimer County: E Fort Collins.
Annotated by R. E. Woodson Jr. in 1934.

U.S.A., Colorado, Larimer County: Pennock's Mountain Ranch.
Annotated by R. E. Woodson Jr. in 1934.

U.S.A., Colorado, Larimer County: Fort Collins: W 6 to 8 mi.
Foothills. Phenology: flowering & fruiting.
Annotated by R. E. Woodson Jr. in 1934.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 40 mi SW of Springfield along Oklahoma boundary.
Canyon grassland on sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Poudre Canyon: along Hwy 14; 5.8 mi E of junction with Stove Prairie Road; 13.5 mi NW of Ted's Place.
Common, in open sites with Bromus. Phenology: flowering.

U.S.A., Colorado, Weld County:
Abundant, on 5% slope in loamy sand with Cryptantha. Phenology: flowering.
Annotated by Frederick J. Hermann.
with I. Sealander

U.S.A., Colorado, Boulder County: Near Boulder.
Annotated by R. E. Woodson Jr in 1934.

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
Accession: (unaccessioned)

U.S.A., Colorado, Boulder County: Near Boulder.
Annotated by R. E. Woodson Jr in 1934.
Francis Ramaley, A.37. 6//1898.

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

U.S.A., Colorado, Larimer County: Fossil Creek.
Annotated by R. E. Woodson Jr in 1934.

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

U.S.A., Colorado, Fremont County: Canon City.

U.S.A., Colorado, Yuma County: Wray.

U.S.A., Colorado, Bent County: Rule Creek.
George E. Osterhout, 4307. 7/9/1910.

U.S.A., Colorado, Weld County: New Windsor: Whitney Ditch.
George E. Osterhout, 848. 6//1895.

U.S.A., Colorado, Douglas County: Buffalo Creek.
Red granite soil. Phenology: flowering & fruiting.

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

Tradescantia occidentalis var. occidentalis ()
U.S.A., Colorado, Teller County: Green Mountain Falls.
with N. T. Schedin

Tradescantia occidentalis var. occidentalis ()
U.S.A., Colorado, Denver County: Near Denver.
with N. T. Schedin

U.S.A., Colorado, El Paso County: Pikes Peak.
with N. T. Schedin

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

U.S.A., Colorado, El Paso County: Pike National Forest: Manitou Park: Trout Creek Canyon.
Dry, sandy hillside. Phenology: flowering & fruiting.
Annotated by Frederick J. Hermann.

U.S.A., Colorado, Elbert County: Sandy Creek: 7 mi W of Limon.
In sandy soil along creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Douglas County: 10 mi N of Castle Rock.
Scrub covered hillside. Phenology: flowering.

U.S.A., Colorado, Kiowa County: 5 mi N of Eads.
Sandy plains. Phenology: flowering.

U.S.A., Colorado, Elbert County: Sandy Creek: 7 mi W of Limon.
Along creek in deep, sandy soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Along Hwy 14, between junction of Hwy 287, Hwy 14 and Poudre Park.
with L. C. Higgins

U.S.A., Colorado, Arapahoe County: Buckley Air Force Base: south end of transect 845 m E of southwest corner of the installation. 521593E 4392993N to 521977E 4392503N.
Rolling shortgrass prairie on silty loam to sandy loam, with Opuntia polyacantha, Artemisia frigida, Convolvulus arvensis, Hesperostipa comata, Bouteloua gracilis, Elymus elymoides. Phenology: flowering.
with C. Bern

U.S.A., Colorado, Huerfano County: Walsenburg.
with F. K. Vreeland

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Natural Fort: NE of Wellington.
Fairly common in deep, clay loam. Phenology: flowering.

U.S.A., Colorado, Morgan County: 5 mi SSW of Fort Morgan.
T2N R58W S3 NE1/4 of NE1/4
Sand hills with Artemisia filifolia and Abronia fragrans. Phenology: flowering.

U.S.A., Colorado, Yuma County: Arikaree River.
T4S R48W S16E E1/2 of SE1/4
Sandy grassland with Phlox andicola and Abronia. Phenology: flowering.

U.S.A., Colorado, Washington County: Ca 15 mi ENE of Anton.
T3S R50W S2 South1/2 of SE1/4
Sand hills with Artemisia filifolia and Phlox andicola. Phenology: flowering.

U.S.A., Colorado, Lincoln County: 2.5 mi SW of Aroya.
Sand-sage type. Phenology: flowering & fruiting.

U.S.A., Colorado, Denver County: Denver: vacant lot.

U.S.A., Colorado, Boulder County: S of Boulder.
39.9351° N, 105.2344° W; NAD 83, uncertainty 5 mi., Nat. Geog. TOPO!

U.S.A., Colorado, Larimer County: Eastern foothills of Colorado Front Range: adjacent to KOA Campground and U.S. Hwy 287, ca 12 air mi N of Fort Collins.
Open canopy in a grassland; slopes; presence of blue grama and needle and thread grass . Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Laramie Range: along unnamed creek, ca 8.5 air mi from Glenrock on County Road 19.
Cow pasture and adjacent sandstone/granite canyon. Phenology: flowering.
with T. McGowan & T. Freeman

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 10 air mi NE of Wheatland on county road at Little Cottonwood Draw, E of Missouri Basin Power Station.
Sparse in stony, sandy clay on mountain mahogany-grassy hillside with Erysimum, Opuntia, and Lesquerella. Phenology: flowering.

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

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 7.5 air mi SE of Torrington, ca 1 1/4 mi NW of Henry, Nebraska, on Jake Kern's farm.
In sandy loam in overgrazed grassland with Yucca, Opuntia, Cryptantha, and Alyssum. Frequent. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 0.5 mi S of I-80 in Pine Bluffs, S of Pine Bluffs Rest Area.
In disturbed area and breaks with Helianthus and Gaura coccinea. Common. Phenology: flowering.
with Paul Ehrmann

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: S of North Platte River, ca 3 air mi SE of Guernsey.
Eroded sandy hills with outcrops, south of river, with ponderosa pine. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: ca 14 air mi NE of Bill.
Plains, rocky crest; plains. Phenology: flowering.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 15.5 mi ESE of Reno Junction.
Sagebrush plains, ponderosa pine covered slopes, sandstone outcrops; plains. Phenology: flowering.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Floodplain, flats, eroded ridge, and sagebrush plains east of creek; plains. Phenology: flowering.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 10 air mi NE of Soda Wells.
Waste area near road, rocky slopes of buttes, ponderosa pine woodlands, shaded ravines, sagebrush plains; slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Eightyfive Divide; ca 7 air mi S of Montana, 5 mi E of Hwy 59.
Rolling plains and sandstone outcrops; sandy slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 10.5 air mi NW of Rockypoint.
Eroded plain, sandstone outcrops; eroded plain. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 10 road mi NNW of Gillette.
Rolling plains, sandstone uplift, outcrops, sandy ravines, highway right-of-way; plains, draw, outcrops. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Natrona County: Powder River Basin: ca 12.5 air mi N of Casper.
Rolling sandy plain, sandstone outcrops; plains. Phenology: buds.

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

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 15.5 air mi ESE of Reno Junction.
Eroded hills with ponderosa pine. Phenology: flowering.
with Keith Dueholm and Mary Alice Sanguinetti

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11.5 air mi NNE of Weston.
Open slopes. Phenology: flowering.

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

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

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. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

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

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: off Sheep Creek or County Road 43, ca 3.5-4 air mi ENE of Torrington.
Old playa and low areas among stabilized sand dunes. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: above Horse Creek just N of Laramie County, ca 12 air mi SW of La Grange; ca 36 air mi SSW of Torrington.
Sparsely vegetated slopes of draw in rough breaks leading to creek bottom. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek and adjacent plains W of County Road 191, ca 4 air mi S of La Grange; ca 34 air mi S of Torrington.
Mixed grass plains. Phenology: buds.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: northwest end of Bear Mountain, ca 7 air mi SSW of Hawk Springs; ca 27 air mi SSW of Torrington.
Steep, sandy north slopes below sandstone cliffs with outcrops and blocks. Phenology: flowering.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Steep slopes with outcrops and scattered juniper and ponderosa pine. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Roadside and fence line. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Mixed grass upland dominated by Bouteloua. 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, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along 55 Ranch or County Road 23, ca 5.8 air mi N of Glenrock or ca 5 air mi N of the North Platte River.
Rolling sandy plains of Artemisia cana-grassland. 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.
Ponderosa pine woodland with small grassland or sandstone pavement clearings. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: along Wyo Hwy 159, ca 5.5 air mi N of Torrington; ca 7.5 air mi E of Lingle.
Rolling sandy plains of sand sage-grassland. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: between Lone Tree Canyon and Castle Rocks off County Road 155, ca 8-8.5 air mi SW of Hawk Springs; ca 27 air mi SSW of Torrington.
Sandy area on and among sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road just S of the Laramie River, ca 3.5 air mi WSW of Fort Laramie; ca 22.3 air mi NW of Torrington.
42.193° N, 104.581° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!
Sandy plains at the base of cobblestone slopes in the river valley. Phenology: flowering.

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

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: between County Road 215 and Union Pacific Railroad tracks, ca 2.3 air mi W of Hillsdale; ca 15.3 air mi NE of Cheyenne.
Slopes near sandy shale outcrops and ledges. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: between Sprager and Middle creeks along County Road 139 ca 19 air mi NNW of Burns; ca 26.3 air mi NE of Cheyenne.
Slopes near sandy shale outcrops and ledges. Phenology: flowering.

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.
Small sand area in badlands dominated by Calamovilfa. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: along the Oregon Trail between the Laramie and North Platte rivers, ca 3 air mi W of Fort Laramie (town); ca 23 air mi NW of Torrington.
42.223° N, 104.571° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!
Sandy rolling sand sage grassland. Phenology: flowering & fruiting.
with David Reilly

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: 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: divide between Little Teapot and Seven L drainages, ca 3/4 air mi SSE of the south end of Naval Petroleum Reserve No. 3 (Teapot Dome), ca 15.5 air mi SE of Midwest.
Sandy area on a ridge with ponderosa pine. Phenology: flowering & fruiting.

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.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Rawhide Butte or County Road 1, ca 3 air mi E of the Wildcat Hills, ca 9.5 air mi WNW of Jay Em; ca 35 air mi NW of Torrington.
Sandy slope with small cobblestones or rolling mixed grass plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 3 air mi E of Esterbrook.
Sandy slope and plains with grassland and occasional ponderosa pine. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 4 air mi E of Albany County.
Sandy plains with 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: [location and coordinates withheld]
Sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 1.5 air mi W of Platte County.
Sandstone/metamorphic outcrops. Phenology: fruiting.

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, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole Rim: Mers Hill, ca 10 air mi E of Slater.
Sandstone outcrops and sandy slopes. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Cambria Canyon.

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

U.S.A., Wyoming, Weston County: Black Hills: Elk Mountains: at the South Dakota state line, ca 14 air mi SE of Newcastle.
Meadows at the base of the ridge. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Oak Creek drainage and ridge between Oak and Alum creeks, ca 6.5 air mi NNW of Aladdin; ca 23 air mi NNE of Sundance.
Dry, sandy, open ponderosa pine slope. Phenology: flowering & fruiting.

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

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

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

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

U.S.A., Wyoming, Weston County: Black Hills: west side of ridge S of Elk Mountain (USFS Road 818) near Mix Spring, ca 13.5 air mi SE of Newcastle.
Southeast-facing slope with scattered pines and junipers. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Pine forest on sandstone ridge. Phenology: fruiting.

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

U.S.A., Wyoming, Weston County: Newcastle.
Dryish roadside. Phenology: fruiting.
Annotated by D. T. MacRoberts in 1977.
with Leroy Peiler

U.S.A., Wyoming, Weston County: 20 mi S of Newcastle.
Dry roadsides. Phenology: flowering & fruiting.
Annotated by D. T. MacRoberts in 1977.
1.
Annotated by C. L. Porter in 1977.

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

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

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

U.S.A., Wyoming, Crook County: Black Hills: Keyhole Reservoir, McKean site.
Pine ridge. Phenology: flowering & fruiting.
William Latady, 46. 6/8/1984.

U.S.A., Colorado, Baca County: Comanche National Grassland: Sand Canyon, ca 0.5 air mi N of Oklahoma, ca 15.5 air mi WSW of Campo.
Mature cottonwood forest with scattered juniper on sand or sandy silt substrate.

U.S.A., Kansas, Morton County: Cimarron National Grassland: at fishing ponds E of campground, ca 9.5 air mi NNE of Elkhart.
Edge of ponds dominated by Eleocharis, Scirpus, and Typha; uplands with Stipa, Erigeron, and stands of Populus. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: 0.5 mi W of Kans Hwy 27, ca 5.5 air mi N of Elkhart.
Sandsage prairie dominated by Yucca glauca and Opuntia. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: 1 mi W of Kans Hwy 27, ca 5 air mi N of Elkhart.
Sandsage prairie with rolling dunes dominated by Yucca glauca and Opuntia. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: Higbee Canyon, on Colo Hwy 109, ca 15 air mi S of La Junta.
Sandstone canyon with scattered Juniperus monosperma and Rhus aromatica. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Otero County: Comanche National Grassland: Vogel Canyon, ca 15.5 air mi S of La Junta.
Dakota sandstone canyon walls dominated by Bouteloua spp. and Rhus aromatica with springs and pools below. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Otero County: Comanche National Grassland: along Forest Road 500A, ca 23.5 air mi S of La Junta.
Shortgrass prairie dominated by Stipa, Elymus, and Schedonnardus. Phenology: flowering & fruiting.

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: flowering & fruiting.
with Cali Hemenway

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

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Shortgrass prairie upland above creek dominated by Ratibida columnifera, Sphaeralcea coccinea, and Bothriochloa laguroides. Phenology: flowering & fruiting.
with Everett Jackson

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: just S of SD Hwy 20 at Reva Gap and in The Castles, ca 18.5 air mi E of Buffalo.
Steep slopes and ridges below cliffs with ponderosa pine, meadows, and hardwood thickets. Phenology: flowering.
with Hans Hallman
Accession: (unaccessioned), Barcode: USFS0050725

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: near the head of Schleichart Draw ca 0.5 air mi W of Riley Pass, ca 18 air mi N of Buffalo.
Sandy slopes below the sandstone cliffs. Phenology: flowering & fruiting.

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

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

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

U.S.A., Montana, Carter County: Custer National Forest: Chalk Buttes: at Trenk Pass, within ca 0.5 air mi NW of Forest Road 3816, ca 12.5 air mi SW of Ekalaka.
At and near base of chalky cliff face. Phenology: flowering.

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

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: just W of the state line, from Forest Road 3118 to an unnamed reservoir ca 1 air mi N of road, ca 7-8 air mi NNW of Camp Crook, SD.
Historic partial burn with sparse ponderosa pine woodland dominated by grasses. Phenology: fruiting.

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

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

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: just NW of Ekalaka Park off of Forest Road 3818A, ca 1/4 air mi N of Hidden Spring, ca 6.5 air mi SSE of Ekalaka.
Ponderosa pine-dominated upland. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: South Cave Hills: in and around Timber Canyon, between Forest roads 3113 and 3137, ca 11.5 air mi N of Buffalo.
Green ash-dominated draw. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: Icebox Canyon, ca 17 air mi N of Buffalo.
Southeast-facing sandy slope dominated by grasses, ponderosa pine, Rhus, and Prunus. Phenology: flowering.

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

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in the vicinity of the head of Red Cross Draw, ca 1 air mi N of Reva Gap, ca 18 air mi E of Buffalo.
Ponderosa pine and grass-dominated forest above moist hardwood draw. Phenology: flowering & fruiting.

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: fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Chalk Buttes: to ca 0.5 air mi N of Trenk Pass on Forest Road 3816, ca 12 air mi SW of Ekalaka.
Ponderosa pine woodland on and near chalkstone buttes. Phenology: fruiting.

U.S.A., Montana, Valley County: S of Tiger Butte Road, ca 3 air mi SSE of Tiger Butte, ca 7 air mi NNW of Fort Peck; ca 9.5 air mi SE of Glasgow.
Grasslands with fringed sage on sandy soil with swales. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 7000. 7/7/2011.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: just S of SD Hwy 20 at Reva Gap and in The Castles, ca 18.5 air mi E of Buffalo.
Steep slopes and ridges below cliffs with ponderosa pine, meadows, and hardwood thickets. Phenology: flowering.
with Hans Hallman

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, 87, ca 14 air mi E of Casper.
Sandstone outcrops of breaks and sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, 87, ca 8 air mi E of Casper.
Sandstone outcrops, sandy slopes and grassland. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Sand Creek Canyon at east end of range, ca 17 air mi N of Independence Rock.
T26N R86W S9
Creek and adjacent sand dunes. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., Colorado, Jefferson County: East-central Colorado: Mosquito Range to Plains: Rampart Range: Cheesman Mountain off County Road 126 along the Gill Trail, the South Platte River, and west-facing and north-facing slopes of the mountain, ca 2.5 air mi SW of Deckers.
On coarse granitic sand and gravel of south-facing river bank, among occasional boulders. Phenology: flowering.
Accession: (unaccessioned)

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Nonans Peak above Tunnel Drive in uplands above the river, ca 3 air mi WSW of Canon City.
Rocky, granitic slopes above a steep drainage. Phenology: flowering.

U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Rampart Range: off Colo Hwy 67 along Horse Creek, ca 1/2 air mi SE of Deckers; ca 20.1 air mi NNW of Woodland Park.
Roadside, along the creek. Phenology: flowering.

U.S.A., Colorado, El Paso County: East-central Colorado: Mosquito Range to Plains: Front Range: Rock Creek Park: in hills and canyons above the park, approx 1 mi N of Colo Hwy 115, ca 10.5 air mi S of Colorado Springs.
Weedy slopes in Gambel's oak and ponderosa pine on steep, rocky, granitic soils. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: I D Ridge between Wyo Hwy 351 and Seminoe Reservoir, ca 4 air mi S of Seminoe Dam; ca 27 air mi NE of Rawlins.
Sand hills dominated by Artemisia cana and sandy ridges populated with limber pine, ponderosa pine, and juniper. Phenology: flowering.

U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Platte Canyon: along the South Platte River and adjacent canyons and ridges ca 4 air mi NE of town of South Platte.
Along the banks of the river and an adjacent gravelly flat. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Beaver Creek State Wildlife Area: along Beaver Creek and adjacent meadows, ridges and gulches off County Road 132 at terminus, ca 15 air mi NE of Canon City.
On the sandy-gravelly banks of the creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Halleck Canyon.
In the moist rocky canyons. Phenology: flowering & fruiting.
Type Specimen: Holotype for Tradescantia laramiensis Goodd.. Bot. Gaz. 33: 68. 1902.
Annotated by R. E. Woodson, Jr. on 10//1934.
1. Tradescantia laramiensis Goodd..

Tradescantia occidentalis var. scopulorum (1920)
Tradescantia occidentalis (Britton) Smyth var. scopulorum (Rose) E. S. Anderson & Woodson
U.S.A., New Mexico, Grant County: Gila National Forest: Pinos Altos Ranger Station.
Phenology: fruiting.
Clifford E. Hulbert, PA-49. 9/6/1920.

Tradescantia occidentalis var. scopulorum (1927)
Tradescantia occidentalis (Britton) Smyth var. scopulorum (Rose) E. S. Anderson & Woodson
U.S.A., Arizona, Coconino County: S of Flagstaff: West Fork Oak Creek Canyon.
Moist canyon, transition zone. Phenology: flowering & fruiting.
with D. R. Goddard

Tradescantia occidentalis var. scopulorum (1897)
Tradescantia occidentalis (Britton) Smyth var. scopulorum (Rose) E. S. Anderson & Woodson
U.S.A., New Mexico, Dona Ana County: Organ Mountains.
Annotated by R. E. Woodson in 1934.

U.S.A., New Mexico, Dona Ana County: Organ Mountains.
George R. Vasey, s.n.. //1881.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: NM Hwy 111, Canada de la Cueva, ca 1.5 air mi S of La Madera.
Arroyos and mesa top with pinyon/juniper and Artemisia tridentata. Phenology: flowering.

U.S.A., Arizona, Yavapai County: Prescott National Forest.
Decomposed granite. Phenology: flowering & fruiting.

U.S.A., Arizona, Gila County: Tonto National Forest: Below Parker Creek Dam.
60% north slope; common on diabase decomposed soil; woodland, with Viola, geranium, and meadowrue. Phenology: flowering & fruiting.
Annotated by Robert F. Martin.

U.S.A., Arizona, Gila County: Tonto National Forest: Reynolds Creek Ranger Station field.
Gentle northeast slope; coarse gravel; rare in park with Marrubium and sumac. Phenology: flowering & fruiting.

U.S.A., New Mexico, Soccorro County: Lincoln National Forest: near head of Willow Seep Canon.
10 degree south slope; wet loam; scattered generally in wet canyon bottoms; with Muhlenbergia, side-oats grama, mountain mahogany, shin oak, yellow pine. Phenology: flowering.
William R. Chapline, 679. 9/12/1916.

U.S.A., Arizona, Gila County: Tonto National Forest: below Parker Creek Dam.
Accession: RMRS 267

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 3.9 road mi S on Oak Creek Grade Road from Canon City; from ca 0.5-2.5 trail mi past Tanner Trailhead, on and around the trail.
Dominant species: pinyon pine, mountain mahogany, and oak; ponderosa and blue spruce at higher elevations; mainly granite outcrops, soil sandy to gravelly in texture. Phenology: flowering.
1. Tradescantia occidentalis (Britton) Smyth var. scopulorum (Rose) E. S. Anderson & Woodson
Annotated by Brian Elliott.
with Brian Jacobs and Alex Morgan

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 115, ca 2 air mi WNW of Florence (city center).
Sandstone cliffs and rocky-sandy slopes with wooded areas around streams. Phenology: flowering.
1. Tradescantia occidentalis (Britton) Smyth var. scopulorum (Rose) E. S. Anderson & Woodson
Annotated by Brian Elliott.
with Brian Elliott

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Temple Canyon Road, ca 3.5 air mi SW of Canon City (city center).
Rocky slopes and grasslands. Phenology: flowering.
1. Tradescantia occidentalis (Britton) Smyth var. scopulorum (Rose) E. S. Anderson & Woodson
Annotated by Brian Elliott.
with Brian Elliott

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

U.S.A., Colorado, Huerfano County: [location and coordinates withheld]
Pinyon-juniper/grassland transition. Phenology: flowering & fruiting.
with Elizabeth Mark

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: along Newlin Creek from Florence Mountain Park at Newlin Trailhead on County Road 15, S of Florence.
Picea engelmannii/Pseudotsuga menziesii. Phenology: flowering.
with Elizabeth Mark

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Black Hawk State Trust Lands off County Road 312, ca 10 air mi S of Walsenberg.
Pinyon-juniper-Quercus forest. Phenology: flowering.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: up Mason Gulch off Forest Road 388, ca 2 air mi SE of Greenwood.
Mixed ponderosa pine-gambel oak. Phenology: flowering.
with Elizabeth Mark and Kenneth Elliott