Oxytropis besseyi (1996)
FABACEAE
Oxytropis besseyi (Rydb.) Blank.
U.S.A., Wyoming, Fremont County: Along the Bighorn Trail.
Elev. 6200 ft.
T40N R89W S28
South-trending shallow slopes. Phenology: flowering.
Accession: RM 733550, Barcode: RM0186686

Oxytropis besseyi Oxytropis sericea (1997)
FABACEAE
Oxytropis besseyi (Rydb.) Blank. Oxytropis sericea Nutt.
U.S.A., Wyoming, Natrona County: East rim Bates Hole: "castle rock" cliffs by Rimo Point, ca 2 mi E of Wyo Hwy 487; ca 3 mi N of junction with Wyo Hwy 77.
Elev. 7350 ft.
West-facing siltstone slopes below summit rim in community of scattered Artemisia tridentata, Cercocarpus montanus, and Leucopoa kingii; soil fine gravel over sandy clay. Phenology: flowering & fruiting.
Accession: RM 681158, Barcode: RM0188251

Oxytropis besseyi Oxytropis sericea (1988)
FABACEAE
Oxytropis besseyi (Rydb.) Blank. Oxytropis sericea Nutt.
U.S.A., Wyoming, Big Horn County: Bighorn Basin: Fenton Pass and vicinity and Tatman Mountain, ca 12.5 air mi SW of Burlington, ca 26.5 air mi WSW of Basin.
Elev. 6100 ft.
Cobblestone sagebrush grassland slopes.
with Erik Nelson
Accession: RM 931535, Barcode: RM0094691

Oxytropis besseyi Oxytropis sericea (1986)
Oxytropis besseyi (Rydb.) Blank. Oxytropis sericea Nutt.
U.S.A., Wyoming, Natrona County: Ca 6 air mi N of Arminto.
Rocky slopes. Phenology: flowering.
Accession: RM 386836, Barcode: rm0188274

U.S.A., Wyoming, Park County: Bighorn Basin: Sunshine Creek Road, ca 4.5 air mi W of Sunshine Reservoir Dam.
Sagebrush plains on clay, cobble hillsides and ridge top, small draws; slopes.
with Ronald L. Hartman

U.S.A., Wyoming, Park County: Bighorn Basin: Pappapau Buttes.
Sandstone buttes, outcrops with Juniperus scopulorum, Pinus flexilus, and Pseudotsuga, lower sagebrush slopes, sandy plains above ridges; plain.
with Ronald L. Hartman

U.S.A., Wyoming, Park County: Bighorn Basin: ca 10 air mi SW of Cody.
Grassland and gravelly slopes.
with John Hamann

U.S.A., Wyoming, Park County: Bighorn Basin: east base of Elk Butte: ca 14 air mi SE of Cody.
Sandstone outcrops with some shale in drainage.
with John Hamann

U.S.A., Wyoming, Park County: Bighorn Basin: northwest side of YU Bench, ca 18 air mi SE of Cody.
Sandstone outcrops and shaley drainage.
with John Hamann

U.S.A., Wyoming, Park County: Bighorn Basin: ca 6 air mi S of Cody.
Sandstone outcrops with scattered limber pine and shale drainages.

Oxytropis besseyi (1999)
Oxytropis besseyi (Rydb.) Blank.
U.S.A., Montana, Carbon County: Bighorn Canyon, N of North Fork of Trail Creek.
Slope 15%, southeast aspect; in sparsely vegetated gravelly limestone on upper ridge slope; with Pseudoroegneria spicata, Eriogonum can var. brevicaule, Carex filifolia. Common. Phenology: flowering.
Accession: RM 718976

Oxytropis besseyi (1998)
Oxytropis besseyi (Rydb.) Blank.
U.S.A., Montana, Carbon County: Bighorn Canyon NRA, ca 27 mi N of Lovell Wy.
T8S R28E S14
Slope 30%, north aspect; scattered below ridgetop outcrops flanking Pryor Mountains on red siltstone; with Elymus spicatus, Penstemon larcifolius, Lesquerella alpina, Arenaria hookeri. Phenology: flowering.
Accession: RM 718977

U.S.A., Montana, Park County: 25 mi N of Livingston, Brackett Creek.
Dry hillside. Phenology: flowering.
Accession: RM 210570

Oxytropis besseyi var. argophylla (1986)
Oxytropis besseyi (Rydb.) Blank. var. argophylla (Rydb.) Barneby
U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge E of Pagoda Creek, ca 1.5-2.5 mi S of U.S. Hwy 14, 16, & 20.
Open, rocky areas with scattered Douglas fir and limber pine.
Accession: (unaccessioned)

Oxytropis besseyi var. argophylla (1986)
Oxytropis besseyi (Rydb.) Blank. var. argophylla (Rydb.) Barneby
U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along north side of North Fork Shoshone River, ca 0.5 mi W of the mouth of Canyon Creek.
Sagebrush-grassland.
Accession: (unaccessioned)

Oxytropis besseyi var. argophylla (1986)
Oxytropis besseyi (Rydb.) Blank. var. argophylla (Rydb.) Barneby
U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: N side of Sheep Mountain, ca 1/4-1/2 mi S of County Road FU6.
Sagebrush-grassland community on limestone substrates.
Accession: (unaccessioned)

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

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Grassland with Festuca idahoensis and Carex filifolia. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge between Big Creek and Wall Creek, ca 2-3 mi N of U.S. Hwy 14, 16, & 20.
In grassland community with Koeleria macrantha, Elymus spicatus and Carex filifolia. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 1/8 mi W of Horse Creek and ca 1-2 mi N of U.S. Hwy 14, 16, & 20.
On bench above creek in sagebrush-grassland/woodland mosaic with Artemisia tridentata, Artemisia nova and Elymus spicatus. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge between Lost and Canyon creeks, ca 2-4 mi S of U.S. Hwy 14, 16, & 20.
Open, rocky ridgetop with scattered Douglas fir and limber pine. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: north-south trending ridge between Horse Creek and Grizzly Creek ca 2-5 mi N of U.S. Hwy 14, 16, & 20.
Rocky ridgetop, sagebrush-grassland/Douglas fir-limber pine mosaic. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge E of Clocktower Creek, ca 3-4 mi S of U.S. Hwy 14, 16, & 20.
Rocky ridgetop with some scattered Douglas fir and limber pine. Phenology: flowering.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Beehive Rock and vicinity, 0.5-1 air mi N of Beehive.
Limestone outcrops with slopes; area burned in forest fire in 2006; very motley mix of natives and exotics. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Armstead.
Rocky bank of arroyo. Phenology: flowering.
with Lois B. Payson

Oxytropis besseyi var. argophylla ()
U.S.A., Montana, Madison County: Sheridan.
*Specimen collected prior to or in the year of 1914 according to stamp on Accession Lable. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Road Leading to Canyon Creek from Vipont Park.
Limestone outcrop at top of road. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Silver Bow County: Melrose.
Rocky hills. Phenology: fruiting.

U.S.A., Montana, Powell County: 8 mi W of Garrison.
On shale outcrop in sagebrush Pushia-juniper scrubland. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Madison County: Northern Rocky Mountain Forest Region.
T2S R8W S36
15 degrees SW slope; rock sandy soil; grass site; dry open sites. Phenology: flowering.
Accession: USFS 508280

U.S.A., Montana, Valley County: Kaminsky Hill and area to the N, ca 3.5 air mi N of the West Fork Poplar River, ca 12.5 air mi NE of Opheim; ca 57 air mi NNE of Glasgow.
Grasslands with shrubby cinquefoil and moist depressions on loamy soil. Phenology: flowering.
Joseph L. M. Charboneau, 6528. 7/2/2011.
with Josh Lamp
Accession: RM (unaccessioned)

Oxytropis besseyi var. argophylla ()
Limestone slopes and outcrops. Phenology: flowering.
Annotations:
1. Oxytropis besseyi (Rydb.) Blank. var. argophylla (Rydb.) Barneby
Annotated by Joshua J. Irwin.
, 91661. //.
Accession: RM (unaccessioned)

Oxytropis besseyi var. besseyi (2002)
Oxytropis besseyi (Rydb.) Blank. var. besseyi
U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: on the divide between Cottonwood and Horse creeks along Cheyenne River Road and S, ca 39.5 air mi SW of Newcastle.
Mosaic of sagebrush-sedge-grassland. Phenology: flowering.
Annotations:
1. Oxytropis besseyi (Rydb.) Blank. var. besseyi
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

Oxytropis besseyi var. besseyi (2002)
Oxytropis besseyi (Rydb.) Blank. var. besseyi
U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along Rochelle Hills or Forest Road 933 above Sauerkraut Draw, ca 52.5 air mi NNE of Douglas; ca 20 air mi NNEof Bill.
Sagebrush and grasslands. Phenology: flowering & fruiting.
Annotations:
1. Oxytropis besseyi (Rydb.) Blank. var. besseyi
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

Oxytropis besseyi var. besseyi (2002)
Oxytropis besseyi (Rydb.) Blank. var. besseyi
U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along ridge running N-S, E and above Short Creek, ca 26 air mi NNE of Gillette; ca 3 air mi W of Weston.
Idaho fescue grassland. Phenology: fruiting.
Peter J. Ebertowski, 177. 6/18/2002.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hill N of Lone Tree Creek on Grieves or County Road 5, ca 19.5 air mi SW of Newcastle; ca 26 air mi SSE of Upton.
Rocky slopes and hilltop of broken sandstone. Phenology: flowering & fruiting.
Peter J. Ebertowski, 390. 6/22/2002.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge W of Alkali Creek, on Cheyenne River or County Road 54, ca 24 air mi SW of Newcastle; ca 40 air mi SSE of Upton.
Sandy hill and ravine. Phenology: flowering & fruiting.
Peter J. Ebertowski, 409. 6/22/2002.

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

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

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on a four wheel drive road off Forest Road 944 above and E of Dugout Creek, ca 10 air mi NNW of Bill; ca 43 air mi N of Douglas.
Sandstone ridge with sandy pockets; scattered sagebrush, rabbitbrush, and skunkbush. Phenology: flowering.
with B. E. Nelson

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: above Darlington Draw and S of Tepee Benchmark on Forest Road 923, ca 32 air mi E of Wright; ca 34 air mi WSW of Newcastle.
Sagebrush with sandstone outcrops. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Clareton Oil Field W of Bruce or County Road 7C, ca 28 air mi WSW of Newcastle; ca 30 air mi SSW of Upton.
Grassland. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge and ravines E of Fields Draw, off dirt road, ca 34 air mi ESE of Wright; ca 32 air mi WSW of Newcastle.
Narrow ravine with snowberry, currant and chokecherry. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: grassland S of Middle Creek on County Road 45, ca 18 air mi E of Bill; ca 46 air mi SE of Wright.
Clay/silt soil on slope above creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: hills N of Calamity Gulch, on dirt road off Wyo Hwy 59, ca 10 air mi NW of Bill; ca 29 air mi S of Wright.
Sagebrush grassland. Phenology: flowering.

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

U.S.A., Wyoming, 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.

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

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: hills between Snyder and Dogie creeks, on North Lance Creek or County Road 14, ca 43 air mi SW of Newcastle; ca 25 air mi NNW of Lance Creek.
Sagebrush grassland. Phenology: flowering.

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.
Sagebrush grassland. Phenology: flowering.

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

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

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.
Sandy area below outcrop in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Mush Creek Oil Field W of Coyote Draw, on two-track road off of Wyo Hwy 450, ca 14 air mi WSW of Newcastle; ca 23 air mi SSE of Upton.
Grassland, Carex filifolia and Stipa comata abundant. Phenology: fruiting.

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.
Ravine with steep sandy walls. Phenology: fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along east side of Lane 42, 3.5 mi S of Burlington.
Saltbush-greasewood community with Atriplex gardneri, Musineon divaricatum, Xylorhiza glabriuscula, and Cymopterus acaulis. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Clearwater Creek trail, ca 2-3 mi N of U.S. Hwy 14, 16, & 20.
Open Douglas fir forest. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Game and Fish public access along south side of the North Fork Shoshone River, ca 3 mi W of Wapiti.
Open bank with scattered Pinus flexilis. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: [location and coordinates withheld]
Ridge and draw with open ponderosa pine forest and grassland with Pseudotsuga menziesii var. glauca, Leucopoa kingii, Festuca idahoensis, and Arenaria congesta var. lithophila. Phenology: flowering.

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Sagebrush-grassland with scattered limber pine and juniper; on north/south trending ridge with sandstone outcroppings. Phenology: flowering.

U.S.A., Montana, Stillwater County: [location and coordinates withheld]
Douglas fir-aspen woodland with Lilium philadelphicum, Lupinus argenteus, Spiraea betulifolia, and Fragaria vesca. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along east side of Murphy Draw Road, ca 2.5 mi N of Wyo Hwy 431.
Saltbush-grassland with Atriplex gardneri, Xylorhiza glabriuscula, Poa secunda, and Sisymbrium altissimum. Phenology: buds.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along West Bridger Creek, ca 15 mi SSE of Big Timber.
Meadow opening with Festuca idahoensis, Delphinium occidentale, Microsteris gracilis, and Arnica fulgens. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge and sandstone outcroppings N of Upper Cottonwood Creek Road, ca 28 mi NW of Thermopolis.
Sagebrush-grassland with Bouteloua gracilis, Bromus tectorum, and Sarcobatus vermiculatus. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Along the south side of the Old Boulder Road E of the Yellowstone River just outside of Livingston.
T2S R10E S18
Grassland with Koeleria macrantha, Bouteloua gracilis, Arenaria hookeri, and Castilleja pallescens. Phenology: flowering.

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.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge ca 0.5 mi S of Kirby Creek just east of Blue Springs Draw, 20 mi NE of Thermopolis.
Sagebrush-grassland with Stipa comata, Bromus tectorum, and Bouteloua gracilis. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Red Spring Draw Road, ca 5 mi S of Wyo Hwy 172, 10 mi ENE of Thermopolis.
Sagebrush-grassland with Elymus spicatus, Cryptantha celosoides, and Bromus tectorum. Phenology: flowering.

U.S.A., Montana, Stillwater County: Coal Mine Coulee, ca 10 mi SE of Columbus.
Grassland and open ponderosa pine forest with Koeleria macrantha, Agropyron spicatum, Bouteloua gracilis, and Balsamorhiza incana. Phenology: flowering.

U.S.A., Montana, Stillwater County: Ridge just N of the Huntley Creek Road, 4 mi SW of Columbus.
Grassland and open ponderosa pine forest on south-facing slope with Koeleria macrantha, Cerastium arvense, Pediomelum esculentum, and Zigadenus venenosus var. gramineus. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Dry Cottonwood Creek, Slide Lake.
Shales, limestone, and gypsum; open hill on E side of entrance to valley. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: at the head of Sand Spring Draw above Rimrock Basin, ca 9 air mi NE of Meeteetse; ca 25 air mi SE of Cody.
Sandy clay flats in the breaks. Phenology: flowering & fruiting.
1. Oxytropis besseyi (Rydb.) Blank. var. besseyi
Annotated by Luanne Lum.
with Luanne Lum

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Wyo Hwy 170 at Hamilton Dome, ca 15 air mi WNW of Thermopolis.
Sagebrush on sandy soils and rock faces. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 5XS, ca 0.5 air mi S of Sunshine Reservoir and ca 12 air mi SW of Meeteetse.
Pinus flexilis with sagebrush. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Dry Cottonwood Creek, 2-3 air mi E of east end Upper Slide Lake.
Shales, limestone, and gypsum; open hill on east side of entrance to valley. Phenology: flowering.
Accession: 655680, Barcode: RM0185437

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

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: North Fork Encampment River, ca 3 air mi SW of Encampment.
Rocky granite slopes with Artemisia Phenology: flowering.

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

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Middle Fork Powder River, ca 13 air mi SW of Kaycee.
Rocky exposed slopes. Phenology: flowering.

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

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Keyhole Reservoir, ca 11 air mi NE of Moorcroft.
Dry sandy uplands with occasional rock outcroppings. 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., Wyoming, Crook County: Wetlands and Adjacent Areas: Keyhole Reservoir, ca 9 air mi NE of Moorcroft.
Exposed rocky reservoir bed. Phenology: flowering.

U.S.A., Wyoming, Park County: Along Skull Creek ca 20 mi N of Cody.
44.7251° N, 109.2191° W; NAD 83, uncertainty 1 mi., Digital Map
Grassy hills. Phenology: flowering & fruiting.
Annotated by Stanley L. Welsh in 1989.

U.S.A., Wyoming, Johnson County: East slope of Big Horn Range, 2 mi below Hunter Ranger Station W of Buffalo.
44.3039° N, 106.9455° W; NAD 83, uncertainty 1 mi., Digital Map
Gravelly slope near upper limit of ponderosa pine forest. Phenology: flowering.
Annotated by Stanley L. Welsh in 1989.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: divide between Coulee Creek (Sand Draw) and Grass Creek Basin, ca 30 air mi NW of Thermopolis; ca 13 air mi NNW of Hamilton Dome.
Artemisia tridentata grasslands and low hills.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: ridge N of North Fork Owl Creek, ca 7 air mi NW of Anchor Reservoir; ca 37 air mi WNW of Thermopolis.
South-facing ridge composed of Absaroka volcanics.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: slope on north side of South Fork North Fork Owl Creek, ca 14 air mi WNW of Anchor Reservoir; ca 43 air mi WNW of Thermopolis.
South-facing slope composed of Absaroka volcanics.

U.S.A., Wyoming, Park County: Owl Creek/Bridger Mountains: Hogback Ridge, SW of Little Buffalo Basin; ca 5 air mi S of Meeteese; ca 43 air mi NW of Thermopolis.
East-facing slope and sandstone-mudstone ridge.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Hogback Ridge, ca 15 air mi NW of Hamilton Dome; ca 35 air mi NW of Thermopolis.
Northeast-facing slope of ridge composed of sandstone and mudstone.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: slope ca 8 air mi W of Anchor Reservoir; ca 37 air mi W of Thermopolis.
Forested, northwest-facing limestone slope.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: benches and slopes N of South Fork Owl Creek.
Dry benches and south-facing slopes.

U.S.A., Wyoming, Niobrara County: Along North Lance Creek Road N of the end of Wyo Hwy 272, N of Lance Creek, ca 1.5 mi N of Cow Creek Post Office.
43.2667° N, 104.622° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Sandy soil with Bouteloua, Stipa, and Bromus in sandstone badlands.
with G. K. Brown & T. M. Evans

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Emigrant Gap Ridge E of County Road 202, ca 1 air mi N of Poison Spider bentonite pit; ca 12 air mi W of Casper.
Sagebrush-grassland with sandstone outcrops; Artemisia tridentata and Artemisia pedatifida common. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Emigrant Gap Ridge, ca 3.5 air mi S of U.S. Hwy 20/26; ca 14.8 mi WNW of Casper.
Rocky hills of sagebrush-grassland and grassy draws. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: along County Road 210, ca 1 air mi W of Poison Spider Oil Field; ca 24 air mi W of Casper.
Rocky ridges of sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Left Hand Creek, ca 3 air mi SW of Dickie (LU Ranch); ca 38 air mi NW of Thermopolis.
Slopes. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: along Rock Creek, ca 2.5 mi E of Washakie Needles, ca 49 air mi WNW of Thermopolis.
Meadows along the creek. Phenology: flowering.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: Castle Rocks and vicinity in North Fork Owl Creek drainage, ca 43 air mi WNW of Thermopolis.
Meadow. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absarokas: Bald Ridge, 5-6 air mi NE of Dead Indian Pass, ca 23.3 air mi NW of Cody.
Limestone outcrops and cliffs. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absarokas: "Battleship Mountain", ca 2.5 air mi NW of Dead Indian Pass, ca 24.3 air mi NW of Cody.
Limestone outcrop at summit. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Crystal Creek Road above Crystal Creek, ca 17 air mi SE of Lovell.
Sandstone outcrops on the flats. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Sore Finger Reservoir and vicinity, ca 15 air mi S of Lovell, ca 7.5 air mi N of Emblem.
Sandstone outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along South Fork Fifteenmile Creek, ca 14 air mi WNW of Worland.
Sandy clay flats along creek with scattered cottonwoods. Phenology: flowering & fruiting.
with Erik Nelson

U.S.A., Wyoming, Park County: Bighorn Basin: near Willow Creek on Burlington Pass Road, ca 5.5 air mi SW of Burlington, ca 22 air mi W of Basin.
Bottom of draw with scattered cobblestones. Phenology: flowering.
with Erik Nelson

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge between Sand Draw and Cottonwood Creek just W of Wyo Hwy 120, ca 5 air mi NE of Hamilton Dome, ca 18 air mi NW of Thermopolis.
Rough breaks of sandstones, mudstones, shales, coal, carboniferous shales, and associated soils.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Gumbo Hills, ca 3 air mi E of Hamilton Dome, ca 17-18 air mi WNW of Thermopolis.
Gumbo clay slopes with volcanic cobblestones.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge between North and Middle Forks of Owl Creek, ca 17 air mi WSW of Hamilton Dome, ca 34 air mi W of Thermopolis.
Volcanic and other cobbles on hills and slopes.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Cottonwood Creek, ca 6 air mi W of Hamilton Dome, ca 25 air mi WNW of Thermopolis.
Rolling hills with sandstone outcrops, sandy and clay patches in sagebrush-grassland or grassland.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 0.8 mi S of Hamilton Dome; ca 19.5 air mi WNW of Thermopolis.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above Buffalo Creek on the road to Little Buffalo Basin, ca 5 air mi N of Dickie, ca 40 air mi NW of Thermopolis.
Interbedded sandstone and clay rough breaks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: on the road to Grass Creek, ca 3 air mi N of Grass Creek, ca 40 air mi NW of Thermopolis.
Ridgetops in rough breaks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: on ridge ca 1.5 air mi SW of Leon Bairds Peak, ca 2 air mi SSE of Soapy Dale Peak, ca 16.5 air mi SSW of Meeteetse.
Rocky ridge with scattered limber pine. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: Meeteetse Rim and Meeteetse Creek, ca 2 mi E of Carter Mountain, ca 17.5 air mi S of Cody, ca 12.7 air mi NW of Meeteetse.
Grassland on top of rim. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 5.5 air mi W of Hamilton Dome, ca 25 air mi WNW of Thermopolis.
Clay slopes. Phenology: flowering.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Park County: Bighorn Basin: on the divide between Gooseberry Creek and Renner Draw, ca 1.5 air mi S of Gooseberry Creek; ca 11 air mi S of Meeteetse.
South-facing clay slopes with juniper below sandstone cliffs. Phenology: flowering.

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

U.S.A., Wyoming, Converse County: Powder River Basin: Flat Top Hill; ca 17 air mi ENE of Douglas.
Sandy slopes below caprock of butte, outcrops along edge of butte, sage-grassland on top, sandy plains below; slopes.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 29 air mi NW of Casper.
East-west divide, with gently sloping, shaley plains, steep, eroded, shaley north-facing slope of divide, small flat-topped butte, and drainages on slope and shallow drainage on plains; slopes.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Wyo Hwy 59, 4.7 mi N of Converse County.
Plains along right-of-way, ditch, open ground on road cut; plains.

U.S.A., Wyoming, Campbell County: Powder River Basin: Porcupine Creek; ca 15 air mi SSE of Reno Junction.
Creek margins and adjacent sandy flats; plains. Phenology: flowering & fruiting.
Annotated by Stanley L. Welsh in 1989.
with Ronald L. Hartman

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Plains, streambanks, drying mud behind holding dam; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Plains, and rocky slope of butte, with loose talus near summit; plains.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Plains, and rocky slope of butte, with loose talus near summit; plains. Phenology: flowering.

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

Plains and head of draw, highway right-of-way; plains.

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; outcrops. Phenology: flowering.
2. Oxytropis besseyi (Rydb.) Blank. var. salmonensis Barneby
with Mary Alice Sanguinetti

Sandstone ridge, outcrops, plains; plains. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

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

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

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Sagebrush plains, draws, sandstone butte dominated by cercocarpus, and rocky, gravelly slopes; slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Loose, red sandstone slope. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Johnson County: Powder River Basin: West side of Powder River, ca 0.5 mi S of I-90.
Breaks above river, clay slopes, ravines; slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: [location and coordinates withheld]
Sandy plain, sandstone butte with outcrops, rocky slopes; outcrops. Phenology: flowering & fruiting.
Annotated by Stanley L. Welsh in 1989. Fl. N. Amer. Project 1989-94

U.S.A., Wyoming, Niobrara County: Powder River Basin: ca 4 air mi W of Lance Creek.
Sagebrush plain, sandstone outcrops; plains. Phenology: flowering & fruiting.
Annotated by Stanley L. Welsh in 1989. Fl. N. Amer. Project 1989-94

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

U.S.A., Wyoming, Johnson County: Powder River Basin: Powder River Breaks.
Clay slopes, bottoms of draws, sagebrush plains on level areas; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: NE edge of Cedar Mountain.
Limestone slabs, with scree slopes with juniper, sagebrush plains below; slopes.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 39 mi WNW of Thermopolis, east side of The Holy City and near Squaw Teat Butte, along Meadow Creek.
Big sagebrush grasslands with occasional limber pine. Phenology: flowering.
Robert S. Kirkpatrick, 103. 6/23/1983.
with B. E. Nelson

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 24 air mi WSW of Meeteetse, in the vicinity of Jack Creek Cabin, ca 1 mi NW of Phelps Mountain.
Open slopes bordered by Engelmann spruce. Phenology: flowering.
Robert S. Kirkpatrick, 1153. 7/12/1983.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 28 air mi WSW of Meeteetse, ca 1-3/4 mi SW of junction of Greybull River and Anderson Creek in the vicinity of Peak "9509".
Open exposed slopes with Artemisia frigida. Phenology: flowering.
Robert S. Kirkpatrick, 1190. 7/16/1983.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 20 air mi S of Meeteetse, between Twin Buttes and Little Grass Creek.
Slopes with Juniperus scopulorum and Pinus flexilis; dry, open areas. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 16 air mi SW of Meeteetse, upper end of the North Fork of Dick Creek, ca 5 mi from the Wood River.
Sagebrush grasslands with scattered Potentilla fruticosa; dry areas. Phenology: flowering.
Robert S. Kirkpatrick, 3197b. 6/29/1984.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 21 air mi SSW of Meeteetse, in the vicinity of the headwaters of West Grass Creek.
Sagebrush grasslands with scattered Pinus flexilis; dry areas. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 19 air mi SW of Meeteetse, upper end of the South Fork Dick Creek and along Timber Creek Trail.
Sagebrush grasslands. Phenology: flowering.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Natrona County: Rattlesnake Mountains: Garfield Peak and northeast slope.
Sandstones, shales, and limestone on lower slopes with granite above; streambanks, open slopes, and limber pine woodlands. Phenology: flowering.
Annotated by Stanley L. Welsh in 1989. Fl. N. Amer. Project 1989-94
with Gael Fonken

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.
with Keith H. Dueholm

U.S.A., Wyoming, Park County: Absaroka Mountains: Pickett Creek.
Creek bottom with scattered engelmann spruce, cottonwood, and willows and adjacent rocky benches. Phenology: flowering.
with Robert S. and Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: Aldrich Creek drainage and vicinity.
Rolling sagebrush grasslands and rocky slopes and ridges. Phenology: flowering.
with Robert S. and Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: just N of Dick Creek, 5 air mi NNE of Wood River Forest Service Station.
Rolling grassy hills with big sagebrush, drainages, and rocky slopes and ridges with scattered limber pine and some douglas fir. Phenology: flowering.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 40 air mi W of Thermopolis on South Fork Owl Creek Road, ca 3.5 road mi SW of Middle Fork Owl Creek crossing.
Open grassy slopes with some big sagebrush, drainages, and wooded slopes with limber pine, douglas fir, and engelmann spruce. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: Grass Creek Road, ca 10 road mi W of junction with Little Grass Creek.
Sagebrush grassland and limber pine woodland. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: Bull Creek, ca 2 air mi SE of the South Fork Shoshone River.
Sagebrush-rabbit brush grassland and adjacent creek bottoms. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wind River Basin: Sentinel Rocks, 2.5 air mi SE of Independence Rock.
Sandy sagebrush covered plains, granite mountains with massive boulders and moist seeps, aspen woodlands in drainages; sandy sagebrush covered plains. Phenology: flowering.
with June Haines

U.S.A., Wyoming, Natrona County: Wind River Basin: Poison Spider Road, ca 14 air mi W of Poison Spider Oil Field.
Sandy slopes and ridge with sandstone outcrops. Phenology: flowering & fruiting.
with June Haines

U.S.A., Wyoming, Park County: Northern Absarokas: Sunlight Creek, ca 24 air mi NW of Cody.
Open grassy ridges and slopes, granite outcrops and cliffs, streamside, and occasional sedimentary outcrop; grassy area. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absarokas: rim of Natural Corral and ridge above.
T55N R104W S13; also S24
Open grassy slopes, talus slopes, and rimrock; sandstone and limestone. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absarokas: Little Bald Ridge and Little Sunlight Creek, 2-3 air mi W of Sunlight Ranger Station.
Stream wash. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absarokas: ridge north of Little Sulphur Creek, ca 6 air mi W of Sunlight Ranger Station.
Open ridge. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Basin: U.S. Hwy 26, 1.4 mi W of west end Shoshoni.
Common on sandy roadsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: ca 1 mi S of Antelope Creek on County Road 37.
Rocky badlands, sagebrush plains, and sandy flats; sandy slope. Phenology: flowering.
with Keith Dueholm

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

U.S.A., Wyoming, Campbell County: Powder River Basin: 18 air mi SSE of Gillette.
Rocky slopes and plains below; rocky slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 3.5 air mi S of Reno Junction.
Sagebrush covered slopes. Phenology: flowering & fruiting.
with Keith Dueholm

U.S.A., Wyoming, Converse County: Powder River Basin: ca 12.5 air mi NE of Bill.
Ridge. Phenology: flowering.
with Keith Dueholm and Mary Alice Sanguinetti

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

U.S.A., Wyoming, Campbell County: Powder River Basin: along Dead Horse Creek, ca 19 air mi WSW of Gillette.
Creek bottom and adjacent slopes. Phenology: flowering & fruiting.

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

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: flowering.

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

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 22 air mi NNE of Sussex.
Elev. 4400
Eroded slopes and flats. Phenology: flowering.

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

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

U.S.A., Wyoming, Johnson County: Powder River Basin: Mayoworth Stock Trail, ca 2 air mi W of Mayoworth.
Anhydrus gypsum laryer and associated red beds of Chugwater Formation. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: above Sage Creek on old U.S. Hwy 85, ca 5 air mi ESE of Mule Creek Junction; ca 45 air mi NNE of Lusk.
Steep eroded slopes of badlands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: ridge between Wyo Hwy 270 and upper Page Flat Draw, ca 8.3 air mi S of Manville; ca 10.7 air mi SW of Lusk.
Grassland on stony soil near top of ridge. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: off Ross or County Road 31 N of North Fork Bear Creek below Manning Flat, ca 31.5 air mi NNE of Glenrock; ca 13.3 air mi SE of Ross.
Sandstone rimrock and outcrops. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: off Ross or County Road 31 N of North Fork Bear Creek below Manning Flat, ca 31.5 air mi NNE of Glenrock; ca 13.3 air mi SE of Ross.
Sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: in Kaye Oil Field on the divide between Walker and Twentymile creeks, ca 12.3 air mi WNW of Lance Creek; ca 31 air mi NW of Lusk.
43.082° N, 104.8826° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
With scattered juniper on slopes and sides of washes and gullies. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: hills N of Cow Creek on Cow Creek or County Road 3, ca 17.8 air mi NNW of Lance Creek; ca 39 air mi NNW of Lusk.
Slopes of gullies and on rolling dissected plains. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: at head of a branch of Garland Draw on Dixon or County Road 2 ca 2 air mi S of Weston County, ca 18.8 air mi WNW of Mule Creek Junction; ca 50.5 air mi NNW of Lusk.
Rolling plains with a mosaic of sagebrush-grassland and sedge-grassland and occasional sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Weston County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Roxson Road ca 1/2-3/4 mi N of Weston County, ca 3.3 air mi WSW of Morisey; ca 28.5 air mi SW of Newcastle.
Sandstone capped ridge and adjacent sandy slopes. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: on Notches Dome ca 1 air mi S of Okie Draw, ca 12 air mi NE of Waltman; ca 44 air mi NW of Casper.
Steep soft clay cobblestone hills with scattered sagebrush, greasewood, and bluebunch wheatgrass. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Baker Cabin or County Road 108 between North Fork Cottonwood Creek and Gray Wall, ca 12 air mi NE of Arminto; ca 51 air mi NW of Casper.
In sand, grassy sandy areas, sandstone outcrops, and clay slopes. Phenology: flowering.

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!
Steep cobblestone slopes. Phenology: flowering.
Annotated by Laura Welp.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cloud Creek off Thirtythree Mile or County Road 110, ca 23 air mi NE of Powder River; ca 33.5 air mi NW of Casper.
Sparsely vegetated edge of the bluffs. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Weston County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Lone Tree Creek off the Morrissey Road just W of U.S. Hwy 85, ca 23 air mi S of Newcastle.
Sagebrush-grassland with sparsely vegetated knolls. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cheyenne River Road N of The Nose on the Cheyenne River, ca 3 air mi E of Hampshire; ca 31 air mi SW of Newcastle.
Bluffs along the river with sandy soil and sandstone above, clay on the slopes and below. Phenology: flowering.

U.S.A., Wyoming, Weston County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: above a draw leading into South Fork Lone Tree Creek, off Grieves Road, ca 20.5 air mi SW of Newcastle.
Rolling grassland plains with sandstone outcrops, buttes, and ridges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: butte N of Mush Creek off Mush Creek Road, ca 13 air mi WSW of Newcastle.
Steep clay slopes with scattered pieces of sandstone. Phenology: flowering.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Sandy plains, sandstone outcrops, draw; outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Powder River Basin: ca 4 air mi SSE of Rochelle.
Ridge and slopes. Phenology: flowering & fruiting.
with Keith H. Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Crook County: 10 mi W of Sundance.
On a hot, south-facing bluff above road. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Devils Tower National Monument; below southside trail N of maintenance shop.
T53N R65W S18
Somewhat common on sandy-silty soil with Pinus ponderosa, grasses. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Ca 8 mi NNE of Morrisey.
T42N R62W S17; also S18
Sandstone outcrops. Phenology: fruiting.

U.S.A., Montana, Carbon County: Bighorn Basin: along Sage Creek Road, ca 9.5 air mi SE of Bridger.
45.2084° N, 108.796° W; uncertainty 0.5 mi., GPS reading
Steep red clay slope with thick band of gypsum. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Montana, Carbon County: Pryor Mountains: Bear Canyon and vicinity, ca 25 air mi SE of Bridger.
45.0861° N, 108.5258° W; uncertainty 1 mi., GPS reading
Redbeds with limestone rubble. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Montana, Carbon County: Pryor Mountains: west end of the mountains, ca 9 air mi N or Warren; ca 16 air mi SE of Bridger.
Shallow soil on limestone pavement intermixed with redbeds. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along Robertson Draw at the intersection of Forest roads 2008 and 2009 ca 1-1.5 air mi N of Wyoming, ca 11.5 air mi S of Red Lodge.
Gravelly, stony (granitic) slope in a burn. Phenology: flowering & fruiting.
with Emily Elliott
Accession: USFS 865167, Barcode: USFS0045680

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Table Creek drainage, from just N of Fantan Lake westerly on 251 deg bearing, ca 5.5 air mi SW of Beartooth Pass, ca 36 air mi NW of Cody.
44.9083° N, 109.5536° W; NAD 83, uncertainty 3 mi., Nat. Geog. TOPO!
Meadow along stream with rocky soil. Phenology: flowering & fruiting.
Annotated by B. E. Nelson in 2013.
1. Agoseris glauca (Pursh) Raf. var. dasycephala (Torr. & A. Gray) Jeps..
Accession: USFS 860749, Barcode: USFS0043912

U.S.A., Wyoming, Park County: Beartooth Mountains: Little Rock Creek, ca 3-4 air mi E of Deep Lake.
Rocky slopes and outcrops of sandstone (redbeds) and wet areas along creek. Phenology: flowering.
Accession: USFS 861892, Barcode: USFS0042288

U.S.A., Montana, Carbon County: Mont Hwy 421, ca 1 air mi W of U.S. Hwy 212, near Joliet.
Very weedy rolliing grassland. Phenology: flowering & fruiting.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: Forest Road 585, north side of Bonanza Creek, ca 5.5 air mi NW of Lennep.
Elev. 1901 m.
Bench above creek; open shrub land; southwest aspect, 5% slope; shale bedrock. Phenology: flowering.
1. Oxytropis besseyi (Rydb.) Blank. var. besseyi .

U.S.A., Montana, Musselshell County: Golf Course Road, ca 13.5 air mi W of Roundup, ca 1.5 air mi E of junction with Timber Butte Road.
Elev. 1160 m.
46.5041° N, 108.8497° W; NAD 83, uncertainty 0.25 mi., GPS reading
Rocky draw running SW to NE; very dry, scattered Pinus ponderosa; limestone and shale cliffs. Phenology: flowering.
1. Oxytropis besseyi (Rydb.) Blank. var. besseyi .

U.S.A., Montana, Teton County: Lewis and Clark National Forest: Front Range: ca 2 air mi SW of South Fork Teton Trail head, ca 7.5 air mi S of Rocky Mountain Hi Ski Area.
Elev. 2474 m.
47.8171° N, 112.7966° W; NAD 83, uncertainty 0.25 mi., GPS reading
Limestone ridge on southeast shoulder of peak; ridge running SSW to NNE; 5-50% slope. Phenology: fruiting.
1. Oxytropis besseyi (Rydb.) Blank. var. besseyi .

U.S.A., Montana, Judith Basin County: Little Belt Mountains: Kibbey Grade Road, ca 6.5 air mi S of junction with U.S. Hwy 87.
Road cut with south aspect; 10-25% slope; high clay soil; Pinus ponderosa and Pinus flexilis. Phenology: flowering.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: Forest Road 8905, between Cooper and Whetstone creeks, ca 1/4 mi W of junction with Forest Road 694.
Open meadow/ Pinus ponderosa woodland on ridgetop, running north to south; 0-15% slope; occasional wet depressions. Phenology: flowering.

U.S.A., Montana, Meagher County: [location and coordinates withheld]
Riparian zone along river; shale cliff and slope; west aspect; 20-100% slope; scattered Pinus ponderosa. Phenology: flowering.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Crazy Mountains: County Road 66 (Forest Lake Road) along West Fork Cottonwood Creek, just NE of junction with Forest Road 8918.
Road cut; east aspect; 10-20% slope; granite. 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, Powder River County: To ca 1.5 air mi NW of Moorehead Road, ca 4.5 air mi WSW of Broadus.
Grass and sagebrush-dominated grazing land with scattered badlands. Phenology: fruiting.

U.S.A., Montana, 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.
Rocky and sandy south-facing slope with scattered grasses, ponderosa pine, and juniper. 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.
Grass and sagebrush-dominated grazing land. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of Griffin Pass, E of Forest Road 4431, ca 21.5 air mi ENE of Ashland.
Southwest-facing rocky and clayey slope with Phacelia, Cryptantha, Penstemon, Solidago, and Ericameria. Phenology: fruiting.

U.S.A., Montana, Valley County: On Ridge Road, on ridge above Tony Coulee, ca 2.5 air mi SW of Finn Reservoir, ca 36 air mi SW of Glasgow.
Sandy hillside with outcrops. Phenology: flowering.
Joseph L. M. Charboneau, 479. 6/24/2010.

U.S.A., Montana, Phillips County: On North Frenchman Road, on ridge above Steelman Coulee, ca 8.5 air mi NE of Gray Reservoir, ca 37.5 air mi N of Saco; ca 51 air mi NNE of Malta.
Dry hilltops. Phenology: flowering.
Joseph L. M. Charboneau, 727. 6/30/2010.

U.S.A., Montana, Gallatin County: Road to Springhill.
Dry field. Phenology: flowering.

U.S.A., Montana, Park County: Suksdorfs Gulch, 9 mi NW of Wilsall.
Phenology: flowering.
Wilhelm N. Suksdorf, 283. 6/30/1921.

U.S.A., Montana, Madison County: 1 mi W of Ennis.
Sagebrush blain. Phenology: flowering.

U.S.A., Montana: Beartooth National Forest.
No other data. Phenology: flowering.
Accession: USFS 508393

U.S.A., Montana: Beaverhead National Forest.
Sandy loam. Poisonous. Phenology: flowering.
Accession: USFS 508116

U.S.A., Montana: Beartooth National Forest: Sage Creek.
North slope; gravelly soil. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Melville.
Phenology: flowering.

Oxytropis besseyi var. besseyi ()
U.S.A., Montana: Gallatin National Forest.
Phenology: flowering.
no collector, 64. //.

U.S.A., Montana: Jefferson National Forest: Pasture Gulch.
South slope; dry, gravelly soil. Phenology: flowering.

U.S.A., Montana, Gallatin County: Bridger Mountains: NE of Bozeman.
Grassland with Balsamorhiza and Lupinus. Common. Phenology: flowering.

U.S.A., Montana: Spring Hill.

U.S.A., Montana: Beartooth National Forest.

U.S.A., Montana, Carbon County: Along U. S. Highway 12, ca 10 mi S of Red Lodge.
with J. W. Hamilton

U.S.A., Montana: 12-15mi. NE of Roundup, on northeast side of Bottle Neck of Devils Basin.

U.S.A., Montana, Big Horn County: West Decker Coal Site: Decker Quadrangle.
Sides of dry wash; sagebrush-grassland. Phenology: flowering.
with L. M. Mayer

U.S.A., Montana, Carbon County: On U. S. Highway 12, 10 mi SW of Red Lodge.
Gravelly grassland on ridge covered with Pinus contorta. Phenology: flowering.
with Toni Gage

U.S.A., Montana, Teton County: Ca 6 mi WSW of Choteau.
Dry, rolling short-grass prarie. Phenology: flowering.
with R. Foster

U.S.A., Montana, Meagher County: Along Smith River, ca 10 mi NW of White Sulphur Springs.
Eroded red sandstne knolls. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana: Anaconda.

U.S.A., Montana: Custer.

U.S.A., Montana, Granite County: Of the Drummond-Helmville Road: 2.5 mi E of Drummond.
Pastured, prairie hill. Phenology: flowering.
Klaus H. Lackschewitz, 9510. 6/24/1981.

U.S.A., Montana: 1 mi above Median.
Dry, rocky, hillsides. Phenology: flowering.

U.S.A., Montana, Lewis and Clark County: Between junctions of Highway 287 and Highway 434, off Highway 200.
E of Highway in dry prairie vegetation. Phenology: flowering.
Klaus H. Lackschewitz, 10032. 7/20/1982.
with David Ramsden

U.S.A., Montana, Hill County: 3 mi W of Havre.
Slopes of low basalt hill. Phenology: flowering.

U.S.A., Montana: 14 mi. S of Red Lodge.
In hillside. Phenology: flowering.

U.S.A., Montana: Helena National Forest: top of ridge, E of Russells Fork.
Western slope; dry shallow gravelly soil; with Erigeron, phlox. Phenology: flowering.

U.S.A., Montana: Jefferson National Forest: Divide between Checkerboard and Hall Creek.
Slope 25 degrees south; shallow rock soil; with Big Bunch, grass, Festuca, ovina, Lupine. Phenology: flowering.

U.S.A., Montana: Absaroka National Forest.
T5N R10E S22
West slope; gravelly clay soil; with Lupine, poa, festuca, geranium, adders-tongue. Phenology: flowering.

U.S.A., Montana: Beartooth National Forest.
No other data. Phenology: flowering.

U.S.A., Montana, Gallatin County: Gallatin National Forest:Gallatin Highway S of Gallatin Gateway.
Level slope; gravelly soil; with Agropyron, wild oats, lupine. Phenology: flowering.

U.S.A., Montana, Carbon County: 7 mi W of Joliet.
Mixed prairie and yellow pine woodland. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Highway 10, 1 mi W of Greycliff.
Grassy hillside. Phenology: flowering.

U.S.A., Montana, Broadwater County: 6 mi E of Townsend on road to White Sulphur Springs.

U.S.A., Montana: Beartooth National Forest: Rock Creek District: Black Fork Creek.
South slope; deep clay loam soil; with wheatgrasses, festucas. Phenology: flowering.
with W. H. Zeh

U.S.A., Montana: Beartooth National Forest: Sage Creek Pryor District.
North slope; shallow coarse loam gravelly soil; with Wheat grasses, prairie grass, sage. Phenology: flowering.

U.S.A., Montana, Ravalli County: Bitterroot National Forest: Ambrose Canyon.
T9N R19W S12
Slope 40%, southwest exposure; stony clay soil; with Balsam root, Erigeron, Lithosperum. Phenology: flowering.

U.S.A., Montana, Lewis and Clark County: Ca 15 mi N of Wolf Creek.
Scabland of Dearborn River. Phenology: flowering.

U.S.A., Montana, Yellowstone County: Billings.
J. W. Blankinship, s.n.. 7/7/1902.

U.S.A., Montana: Bozeman.
Dry plains. Phenology: flowering.

U.S.A., Montana: Bozeman.
Dry hillsides. Phenology: flowering.

U.S.A., Montana, Carbon County: Above Rock Creek, halfway up switchbacks on Red Lodge-Cooke City road.
Along stream. Phenology: flowering.

U.S.A., Montana, Valley County: Seventh Ridge, ca 4.5 air mi NE of Graveyard Hill, ca 22 air mi SW of Fort Peck; ca 27 air mi SSW of Glasgow.
Sandstone-based ridge. Phenology: fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along Robertson Draw at the intersection of Forest roads 2008 and 2009 ca 1-1.5 air mi N of Wyoming, ca 11.5 air mi S of Red Lodge.
Gravelly, stony (granitic) slope in a burn. Phenology: flowering & fruiting.
with Emily Elliott
Accession: USFS (unaccessioned), Barcode: USFS0048226

U.S.A., Wyoming, Park County: Shoshone National Forest: Sunlight Ranger Station pasture.
North slope; dry sandy soil Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: the Holy City and vicinity, ca 1 mi S of Squaw Teat Butte; ca 40 air mi WNW of Thermopolis.
Moist slopes under Douglas fir. Phenology: flowering.

U.S.A., Wyoming, Park County: Shoshone National Forest.
Fresh to dry loam. Phenology: flowering.
Annotated by Stanley L. Welsh. Fl. N. Amer Project 1989-94

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Bridger Butte, ca 5.5 air mi WSW of Fort Bridger; ca 25.5 air mi E of Evanston.
Badland slopes with bentonite and cobblestones, with patches of juniper and sagebrush on the flatter areas. Phenology: fruiting.
with C. H. Refsdal

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Flaming Gorge National Recreation Area: ca 4 air mi E of Manila.
Salt desert shrubs, scattered junipers, steep slopes, Morrison clays and Dakota sandstone. Phenology: flowering & fruiting.
with S. Goodrich

U.S.A., Wyoming, Natrona County: 40 mi W of Casper.
On dry gravelly ridge. Phenology: flowering & fruiting.
George F. Freytag, 22. 5/2/1948.

U.S.A., Wyoming, Natrona County: Casper Mountain Area: vicinity of Garden Creek Falls.
Grassy slopes above the creek in rocky soil. Phenology: flowering.
Francis X. Jozwik, 3. 6/10/1961.

U.S.A., Wyoming, Campbell County: Near the Belle Fourche River, E of the Douglas-Gillette Highway [Wyo Hwy 59].
Grasslands in very dry, light colored soil on slopes of ridges; sandstone lens. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County:
South-facing talus slope of volcanic rock with abundant Artemisia frigida, Lupinus wyethii, Festuca idahoensis, and Poa fendleriana. Very abundant; flowers pink to red. Apparently caused sheep poisoning in this area; seem to cause cattle poisoning at present. Phenology: flowering.
with Richard York

U.S.A., Wyoming, Sweetwater County: Flaming Gorge Reservoir: ca 18 mi NE of Manila, Utah, at Anvil Cove.
Sandy beach. Phenology: flowering.

U.S.A., Wyoming, Campbell County: 6 mi NNE of Gillette.
T51N R71; also R72W
Rocky outcrop. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Campbell County:
Grassy hills. Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 87. 7/6/1978.
with Keith H. Deuholm

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

U.S.A., Wyoming, Weston County: Powder River Basin: ca 4 air mi SSE of Rochelle.
Ridge and slopes. Phenology: flowering.
with Keith H. Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Sheridan County: Hills E of Sheridan.
T56N R84W
Shady slope. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: near Bozeman Trail Marker (1914).
Sandy plains. Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 51. 7/5/1978.
with Keith H. Dueholm

U.S.A., Wyoming, Converse County: County Road 34.
Near sandstone outcropping. Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 39. 7/5/1978.
with Keith H. Dueholm

U.S.A., Wyoming, Sheridan County: Big Horn above the Grade.
Moist ravines. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Big Horn National Forest.
Elev. 4400
Gentle east slope; soil clay loam; park, with wheatgrass, balsamroot. Scarce. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: in the foot hills near Story,
Frances R. Gwinn, s. n.. 6//1928.

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

U.S.A., Wyoming, Sheridan County: Darlington Divide.
Gravel hills. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Blue Canyon at south end of Pine Mountain, ca 28 air mi WNW of Casper.
Sandstone outcrops and snady slopes with areas of shale. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Foothills of the Absaroka and Owl Creek Mountains: Hill 6613 on northwest bank of Enos Creek, ca 35 air mi NW of Thermopolis.
Dry, semi-open sandstone-shale talus slope. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Ca 18 mi N of Casper, along I-25.
Semi-barren knoll. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn River Valley: ca 2 mi S of Greybull, along U.S. Hwy 16-20.
River terrace gravels, in rabbitbrush. Phenology: flowering & fruiting.
with Kaye H. Thorne

Oxytropis besseyi var. fallax (1993)
Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: south side of Sanford Draw, in foothills ca 0.5 mi N of Grass Creek, ca 28 mi SSW of Meeteetse.
Meadow openings and Pinus flexilis woodland with Lupinus polyphyllus var. humicola, Iris missouriensis, Geum triflorum, and Carex vallicola. Phenology: flowering.

Oxytropis besseyi var. fallax (1993)
Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: Shoshone National Forest: ridge just SE of Twin Lakes, ca 33 mi SSW of Meeteetse.
Limber pine woodland and rocky openings with Lomatium cous, Phlox hoodii, Leucopoa kingii, and Antennaria rosea. Phenology: flowering.

Oxytropis besseyi var. fallax (1997)
Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: ridge just S of county road and North Fork Owl Creek, ca 4 mi NNE of Anchor Reservoir; ca 30 mi W of Thermopolis.
Rocky grassland on limestone with Koeleria macrantha, Stipa comata, Carex filifolia, and a few Pinus flexilis. Phenology: flowering.

U.S.A., Montana, Park County: Ridge and draw immediately E of the Yellowstone River, ca 2.5 mi S of Livingston.
T2S R9E S36
Grassland with some scattered limber pine and Douglas fir. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Platte Pipeline or BLM Road 1430, ca 3/4-1 air mi S of Red Hill, ca 13.5 air mi W of Worland.
Sandy to sandy clay with scattered sagebrush. Phenology: flowering.
with Luanne Lum

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Middle Fork Fifteen Mile Creek at Platte Pipeline or BLM Road 1430, ca 15 air mi WNW of Worland.
Old sandbars and first bench above creek bed. Phenology: flowering & fruiting.
with Luanne Lum

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 0.4-0.6 mi S of Elk Creek on Dorsey Creek or BLM Road 1103, ca 9.5 air mi SSW of Otto; ca 16 air mi SW of Basin.
Flats on the top of the badlands. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: reservoir on North Fork Buffalo Creek just S of Big Cedar Ridge along Blue Bank or BLM Road 1411, ca 11.5 air mi WNW of Big Trails; ca 25 air mi SE of Worland.
Sagebrush or stony slope along the reservoir. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Cherry Creek or County Road 80, ca 4.5 air mi ENE of Mahogany Butte, ca 27.5 air mi SSE of Ten Sleep.
Juniper woodland - sagebrush; sandy soil and rock outcrops. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Alkali Road or BLM Road 1111, ca 7.3 air mi N of Hyattville or ca 18.5 air mi ENE of Manderson.
Juniper woodland with sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Cherry Creek or County Road 80, ca 5 air mi SW of Mahogany Butte, ca 32 air mi S of Ten Sleep.
Sagebrush, also grasses dominant; sandy soil with fines. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: SE of Wardel Reservoir dam, ca 13 air mi WSW of Basin and ca 16 air mi WSW of Greybull.
Sagebrush. Phenology: fruiting.
with Michelle Wilson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along County Lane 16.5, ca 10 air mi SE of Lovell and ca 20 air mi NNW of Greybull.
Sagebrush with sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 65, ca 1.1 air mi ESE of Ten Sleep.
Juniper and sagebrush with yucca adjacent to landfill. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Blue Bank or BLM Road 1411, ca 8.8 air mi WSW of Ten Sleep.
Sagebrush on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 47 at Red Gulch, ca 8.2 air mi NW of Ten Sleep.
Sagebrush and juniper on sandy slope. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along BLM Road 1409, south tributary and headwaters of Mud Creek, ca 21.8 air mi ENE of Thermopolis.
Sagebrush on sandy soil of Cody shale. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along BLM Road 1409 S of Nowater Creek and W of Scorpion Draw, ca 24.5 air mi ENE of Thermopolis.
Sagebrush on sandy soil of Cody shale. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Broken Back or BLM Road 1415, ca 3.8 air mi NNE of Ten Sleep.
Juniper and sagebrush on mudstone. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Spring Creek or County Road 58 and N of Otter Creek, ca 6.8 air mi N of Big Trails and 13.5 air mi SSE of Ten Sleep.
Juniper with sagebrush and yucca on siltstone, shale, and sandstone; plus terrace deposits. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along County Road 26, ca 3.7 air mi NE of Thermopolis and E of Bighorn River.
Juniper and sagebrush on sandstone. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Centennial Road, ca 6.1 air mi ENE of Thermopolis.
Juniper and sagebrush on sandstone. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dorsey Creek or BLM Road 1103, ca 7 air mi ESE of Otto and ca 11.5 air mi ESE of Greybull.
Sagebrush on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: SW of Canyon Creek, ca 4.9 air mi E of Ten Sleep.
Juniper with sagebrush and yucca on mudstone and siltstone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Rome Hill or County Road 56 and S of Cooks Canyon, ca 8 air mi ESE of Ten Sleep.
Sagebrush on mudstone and siltstone. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Rome Hill or County Road 56 and S of Cooks Canyon, ca 11.3 air mi ESE of Ten Sleep.
Sagebrush on mudstone and siltstone. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 7UH and S of Goff Lake, ca 10.1 air mi NW of Cody.
Sagebrush on sandy soil. Phenology: flowering & fruiting.
with Al Flinck

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along Twin Creek and Twin Creek or County Road 19 at the west base of Sheep Mountain, ca 19-19.5 air mi SE of Lander.
Redbed slopes and hills. Phenology: flowering.
1. Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
Annotated by Rachel Newton.

U.S.A., Wyoming, Laramie County: Wetlands and Adjacent Areas: Bear Creek, ca 9 air mi SSE of Chugwater.
Dry, rocky uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Near Lysite.
43.2678° N, 107.6904° W; NAD 83, uncertainty 2 mi., Digital Map
On badland eroded hills. Flowers pinkish-purple. *NE Fremont county* Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Near Big Trails.
Red sandy soil. Flowers pinkish-purple, pods somewhat inflated. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Trapper Creek, E of Wyman Ranch.
On gypsum soil. *sheet. Phenology: flowering.
4. Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
Crystal Finley, 28a. 6/1/1926.

U.S.A., Wyoming, Big Horn County: Top of Devils Leap in Red Gulch.
*sheet. Phenology: flowering.
4. Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
Crystal Finley, 28b. 6/1/1926.

U.S.A., Wyoming, Big Horn County: Foothills of the Pryor Mountains: on Crooked Creek; N of Lovell.
Dry, sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Horseshoe Bend.
Sandy littoral edge of reservoir. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along U.S. Hwy 14A, ca 1 mi W of Five Springs Campground.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Canyon National Recreation Area: SE of southeast end of Sykes Mountain; ca 1 km from Yellowtail Reservoir.
On alluvial fans. Phenology: flowering.
with D. Ditolla and R. Myers

U.S.A., Wyoming, Washakie County: 10 mi SW of Ten Sleep in North Butte area.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Lysite Badlands: Pony Creek #1 gas line site just W of Moneta-Lysite Road, 3.3 road mi N of Moneta.
Artemisia tridentata-Stipa comata grassland. Phenology: flowering.

U.S.A., Wyoming, Washakie County: W of Worland, on the lower part of the Fifteenmile drainage area. Willwood formation.
Hillside; on shallow clay soil. 5-9 inch precipitation zone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: W of Worland, on the lower part of the Fifteenmile drainage area.
Hillside; on shallow clay soil. 5-9 inch precipitation zone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: West Foothills of the Big Horn Range: ridge ca 0.2 mi E of the Bighorn River and 1.5 mi S of the Montana.
Top of sandstone peak along ridge in cracks of white, fine-grained sandstone boulders in cushion plant/bunchgrass community with less than 50% cover. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Schuster Flats NE Quad: Tenmile Creek Road; ZE Allotment.
T48N R93W S8 NW1/4 of NE1/4
Sandy area. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Ca 2.5 mi N of Moneta on road to Lysite.
Clay bluffs W of road; common on east facing slope on eroded soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Base of Beaver Rim near Bain Spring.
Phenology: buds.

U.S.A., Wyoming, Big Horn County: Ca 5 mi SE of Hyattville.
Rocky clay slopes with Cryptantha and Eriogonum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Ca 6 mi N of Thermopolis.
Shaley hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Ca 1.5 mi W of Horseshoe Bend Campground.
Barren slope on Chugwater Formation. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Foothills of West Slope Big Horn Mountains: Ten Sleep Preserve: reddish hills E of dirt access road to Pow Wow site on south rim of Canyon Creek Canyon.
Juniper woodland with small patches of open, bare soil. Phenology: flowering & fruiting.
with Ann Humphrey and Phil Shephard

U.S.A., Wyoming, Fremont County: Wind River Basin: Beaver Divide, adjacent to Wyo Hwy 135; ca 28 air mi S of Riverton.
Sandy ridgetop at edge of Wyoming sagebrush/black sagebrush grassland and steep siltstone-shaley cliff. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southeast Big Horn Mountains: north slope of Cedar Ridge, S of Badwater Creek, ca 1.5-2 air mi NW of Badwater.
Gravelly sandstone deposits with scattered Utah juniper woods and Wyoming big sagebrush. Phenology: flowering.

U.S.A., Wyoming, Fremont County: NW Wind River Basin: Dubois badlands; W side of Table Mountain Road.
South facing steep slope of pinkish-white sandy clay with abundant surface gravel. Cushion plant bunchgrass community with occasional Artemisia tridentata. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: north slope of Sykes Mountain, ca 0.8 mi W of Horseshoe Bend of the Bighorn Canyon of Yellowtail Reservoir; ca 3.2 air mi S of Montana.
Dry wash draining north side of mountain in red-brown clay and pulverized sandstone below whitish shale band; community of Chrysothamnus nauseosus and Stipa Comata, with scattered Wyethia scabra, Eriogonum brevicaule var. canum, Astragalus hyalinus, and Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: east shore of Yellowtail Reservoir, ca 4.5 air mi N of causeway of U.S. Alt 14; ca 3 mi SE of Horseshoe Bend.
West-dipping redbed clay slope covered by white dolomite boulders and large rock fragments in community of Gutierrezia sarothrae, Phlox hoodii, and Elymus spicatus. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: terrace on east shore of Yellowtail Reservoir, on west side of the John Blue Canyon Road, ca 2.1 air mi N of the U.S. Hwy Alt 14, ca 11.5 air mi E of Lovell.
Terrece of red clay coverd by dolomite pebbles and large dolomite rocks. Cushion plant community with Stipa comata & Elymys spicatus and occasional Artemisia tridentata var. wyomingensis. Dominant cushion species include Eriogomum brevicaule var. canum, Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: terrace on east shore of Yellowtail Reservoir, on west side of the John Blue Canyon Road; ca 2.1 air mi N of U.S. Hwy Alt 14; ca 11.5 air mi E of Lovell.
Terrace of red clay covered by dolomite pebbles and large dolomite rocks; cushion plant community with Stipa comata and Elymus spicatus with occasional Artemisia tridentata var. wyomingensis; dominant cushion species include Eriogonum brevicaule var. can Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: McDougal Gulch N of Dry Creek or County Road 321, ca 14.8 air mi NW of junction with Wyo Hwy 220.
Sagebrush slopes with granitic outcrops. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Elk Creek on Dorsey Creek Road, ca 16 air mi WSW of Basin, ca 9 air mi SSW of Otto.
Elev. 4400
Sandy flats with sandstone outcrops above badlands. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Dry Cottonwood Creek just above Fifteenmile Creek, ca 20 air mi NW of Worland.
Cobblestone rim of bluffs. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Red Canyon across from Minnesela Slope, ca 5.5 air mi SW of Thermopolis.
Red sandy soil on ledges of canyon wall.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along U.S. Hwy 14A above Five Springs Creek; ca 20 air mi E of Lovell.
Rocky juniper-sagebrush slopes. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Six Mile Reservoir and vicinity, ca 12 air mi NNW of Worland; ca 9 air mi SW of Manderson.
Sandy to sandy clay sagebrush-saltbush-hopsage plains. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Fox Mountain, ca 9 air mi E of Greybull.
Rocky slopes of the butte. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Potato Ridge, ca 14 air mi ESE of Greybull.
Shaly sagebrush-saltsage slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 5.5 air mi S of Worland on the Nowater Trail.
Clay soil on sagebrush grass slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 15 air mi SSE of Worland on the Nowater Trail.
Rocky, sandy areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 18 air mi E of Thermopolis.
Sandstone uplift with outcrops, rocky and sandy slopes, sagebrush grassland on bench above, loose shale slopes; rocky slopes. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along U.S. Hwy 14, ca 0.5 mi E of Greybull.
Sandstone outcrops, sandy plain along highway; plain. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Owl Creek Mountains: U.S. Hwy 20, ca 5 air mi S of Thermopolis.
North slope of mountains, limestone and sandstone outcrops, sagebrush plain on top, small drainages; plain. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Castle Gardens, ca 6.5 air mi SW of Ten Sleep.
Eroded shale slopes and ridges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Wyo Hwy 30, 6.6 mi W of Basin.
Plains with Atriplex gardneri. No elevation listed in field notebook. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Medicine Lodge Canyon.
Lower canyon slopes and floor. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: John Blue Canyon Road: ca 4.5 mi NNE of U.S. Hwy 14A.
Stream sides. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Owl Creek: U.S. Hwy 20, ca 3 air mi S of Thermopolis
Chugwater outcrop along highway. No elevation listed in the field notebook. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 6 mi W of Ten Sleep.
44.0286° N, 107.5629° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Sandy slopes. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: 3-4 air mi N of Greybull.
Badlands with shale and red beds. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Basin: Cottonwood Creek, 7 air mi NE of Lysite.
Sandy ridge, sandstone outcrops, eroded slopes and creek bottom; sandy ridges and eroded slopes. Phenology: flowering.
with June Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: Sheep Mountain, ca 11 air mi SE of junction U.S. 287 and Wyo Hwy 28.
West exposed slopes of mountain on sandstone and limestone; grassy ridges and draws with limber pine woodland at summit. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: ca 11.5 air mi W of Tyrrell Ranger Station.
Redbeds. Phenology: flowering & fruiting.
with Ann Odasz

U.S.A., Montana, Carbon County: Bighorn Basin: Gypsum Creek and vicinity S of Helt or BLM Road 1016, ca 28.5 air mi SE of Bridger.
45.054° N, 108.464° W; uncertainty 1 mi., GPS reading
Red slopes and ridgetop with scattered juniper. Phenology: flowering.

U.S.A., Montana, Carbon County: Bighorn Canyon National Recreation Area: Pryor Mountain Desert: along Layout Creek Trail, ca 0.75 mi NW of Layout Creek Ranger Station and historic cabin site.
T8S R28E S34 SE4SE4
Dry stony meadow bordering small stream within opening in Juniperus osteosperma- Artemisia tridentata woodland; soil reddish clay with surface of small rock. Phenology: flowering.

U.S.A., Montana, Carbon County: Big Horn Basin: Bighorn Canyon National Recreation Area, ca 1.5 mi NW of Barrys Landing in roadside campground.
West-facing, open grassy sagebrush clopes above canyon. Phenology: flowering.
with Jane Struttmann

Oxytropis besseyi var. fallax Oxytropis sericea var. sericea (1993)
Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby Oxytropis sericea Nutt. var. sericea
U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: ridge 1/4-1/2 mi N and W of Little Grass Creek, in foothills ca 20 mi S of Meeteetse.
Rocky sagebrush-grassland and limber pine woodland with Ipomopsis spicata ssp. spicata, Hymenoxys acaulis, Penstemon laricifolius, and Festuca idahoensis. Phenology: flowering & fruiting.
Accession: RM (unaccessioned), Barcode: 611469

U.S.A., Wyoming, Big Horn County: Steamship Rock, ca 0.5 to 1.5 mi E of Crystal Creek County Road.
Mowry Formation; rocky, sandy clay loams and clay loam; on plains and badlands; slope 5-45 deg; aspect northwest; with Cryptantha celosioides, Erigeron caespitosus, Pseudoroegneria spicata, Lesquerella alpina, Machaeranthera grindelioides, Platyschkuhria integrifolia, Poa secunda. Phenology: flowering.
with Dylan Bergman

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: flowering.

U.S.A., Wyoming, Big Horn County: Lovell Training Area: ca 2.9 km E of U.S. Hwy 310, ca 5.0 km S of Levell Peak (1573 m).
zone DMC, 715897E, 4958696N; unknown, GPS reading
Ridges and slopes; cushion/Wyoming big sagebrush; clay loam with gypsum and pebbles to cobbles with rock outcrops; with Leptodactylon caespitosum, Arenaria hookeri, Cryptantha caespitosa, Haplopappus nuttallii, Comandra umbellata, Stipa comata, S. viridula, Oryzopsis hymenoides. Scattered; ascending to erect, woody taprooted, perennial herb; 10 cm tall; corolla magenta. Phenology: flowering.
Patricia P. Douglas, 362. 7/24/2001.
with Nancy E. Hastings

U.S.A., Wyoming, Fremont County: Wind River Basin; Johnny Behind the Rock; 13.5 air miles SSE of Lander.
Sparsely vegetated, rocky slopes; loam soil; 30 degree slope. Associated species: Juniperus sp., Stenotus armeriodes, Astragalus convallarius, Carex filifolia, Allium textile. Phenology: flowering & fruiting.
Christopher Coggins, 21. 6/5/2017.
with Leah Prescott

U.S.A., Wyoming, Big Horn County: Big Horn Mts.: mouth of Shell Canyon.
Along slope, among boulders. Phenology: flowering & fruiting.
Type Specimen: Isotype for Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby. Proc. Calif. Acad. Sci. ser. 4, 27: 235. 1952 Also a paratype of Oxytropis obnapiformis Ch. Porter.Paratype for Oxytropis obnapiformis Ch. Porter. Madroño 9: 133, fig. 1947.
Annotated by C. L. Porter in 1955.
2. Oxytropis obnapiformis Ch. Porter
Annotated by C. L. Porter in 1946. Co-type.
1. Oxytropis sp..
with R. C. Barneby

U.S.A., Wyoming, Big Horn County: Big Horn Mts.: near Five Springs Falls.
Dry rocky hillside. Phenology: flowering & fruiting.
Type Specimen: Paratype for Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby. Proc. Calif. Acad. Sci. ser. 4, 27: 235. 1952 Also a paratype of O. obnapiformis Ch. Porter.
Annotated by C. L. Porter in 1955. '55 verbatim date.
2. Oxytropis obnapiformis Ch. Porter
Annotated by C. L. Porter in 1946. Co-type.
1. Oxytropis sp..
with Rua Williams

Oxytropis besseyi var. obnapiformis (1997)
Oxytropis besseyi (Rydb.) Blank. var. obnapiformis (Ced. Porter) S. L. Welsh
U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: two track to Black Rock Draw, 1 mi from County Road 321; ca 6 air mi NW of northwest end of Pathfinder Reservoir.
Sandy areas and granite ridge. Phenology: flowering.
with Amy J. Roderick

Oxytropis besseyi var. obnapiformis (2005)
Oxytropis besseyi (Rydb.) Blank. var. obnapiformis (Ced. Porter) S. L. Welsh
U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along Silver Creek below Silver Creek Reservoir, ca 0.5 mi S of Hudson-Atlantic City or BLM Road 2302, ca 17.5-18.5 air mi E of Atlantic City; ca 30 air mi SE of Lander.
Chalky bluff below conglomerate rim rock. Phenology: flowering.

Oxytropis besseyi var. obnapiformis (1951)
Oxytropis besseyi (Rydb.) Blank. var. obnapiformis (Ced. Porter) S. L. Welsh
U.S.A., Wyoming, Sweetwater County: Henry's Fork near McKinnon.
Cottonwood grove. Flowers pinkish-purple, the banner with a white base. *southwestern Sweetwater county* Phenology: flowering.
with R. C. Rollins

U.S.A., Wyoming, Fremont County: Southeast edge of Wind River Range: E of Dry Lake and NE of U.S. Hwy 287/Wyo Hwy 28 junction, ca 7 air mi SE of Lander; Lee Ranch.
On red soil (Chugwater) adjacent to steeply tilted nugget sandstone. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Dishpan Butte.
Rocky calcareous slope with Oxytropis and Arabis. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Bridger Butte.
On clay ridge with Penstemon and Physaria. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Sweetwater River Plateau: Beaver Divide, southeast end of Dishpan Butte, 1 1/4 air mi W of junction of Dishpan Butte Road and Wyo Hwy 135.
Sparsely vegetated cushion plant community of silty white sandstone within Artemisia tridentata/A. nova grassland; dominant cushion species include Ivesia gordonii, Astragalus kentrophyta, Eriogonum brevicaule, and Haplopappus nuttallii. Phenology: fruiting.
with Laura Welp

U.S.A., Wyoming, Fremont County: Sweetwater River Plateau: ridge system on northeast and north side of Big Diamond Spring Draw, ca 0.5-1 mi N of Diamond Springs Road; ca 2-2.3 mi W of Natrona County.
West and south-facing 10-30% slope on fine-textured, light, silty, chalky soil; cushion plant community with 10-20% vegetative cover; dominant spp. include: Haplopappus acaulis, Eriogonum flavum, Arenaria hookeri, and Elymus spicatus. Petals blue, calyx white-hairy. Phenology: flowering & fruiting.
with Laura Welp

U.S.A., Wyoming, Fremont County: Sweetwater River Plateau: ridge system on north side of Government Meadow Draw, ca 1-1.5 mi Eof Wyo Hwy 135; ca 4.75-5 air mi NNE of Sweetwater Station.
Rim, steep north-south trending draws, and eastsoutheast slopes on coarse, sandy siltstone on white clay/sandy chalky sandstone with surface of coarse gravel; cushion plant community dominated by Phlox muscoides, Haplopappus acaulis, H. nuttallii, & Astragalus sericoleeucus. Phenology: fruiting.
with Laura Welp

U.S.A., Wyoming, Fremont County: Top of Beaver Rim: SW of Devils Gap, ca 6.5 air mi NNW of Sweetwater Station.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Colorado, Moffat County: Dinosaur National Monument: ca 1/4 mi E of Lodore Ranger Station: E of Gates of Lodore.
Uncommon on sandy soil of moderately steep west slope with Juniperus, Stipa, Aristida and Sitanion; Browns Park Formation. Annotated 1989-1994. Phenology: flowering.

U.S.A., Colorado, Moffat County: Ca 10 mi W of Maybell.
Sand hills. Annotated 1989-1994. Phenology: flowering.

U.S.A., Colorado, Moffat County: Along Hwy 318, 5.3 mi Wof Little Snake River.
Sand hills and outcrops; sandy soil amongst Artemisia tridentata and Juniperus osteosperma. Annotated 1989-1994. Phenology: flowering.

U.S.A., Colorado, Moffat County: 2 mi S of Lay.
Summit and white sandy declivities of isolated hill. Annotated 1989-1994. Phenology: flowering & fruiting.
with R. C. Barneby

U.S.A., Colorado, Moffat County: 4 mi E of Maybell: overlooking Yampa River.
Steep alkaline sandy clay bluff. Annotated 1989-1994. Phenology: flowering & fruiting.
with R. C. Barneby

U.S.A., Colorado, Moffat County: 4 mi E of Maybell: overlooking Yampa River.
Steep sandy bluff, among junipers. Annotated 1989-1994. Phenology: fruiting.

U.S.A., Colorado, Moffat County:
Sandy, barren ridge with Wyethia and Juniperus. Annotated 1989-1994. Phenology: flowering & fruiting.

U.S.A., Colorado, Moffat County: Confluence of Douglas Draw with Vermillion Creek.
Browns Park formation outcrops; bluffs. Annotated 1989-1994. Phenology: flowering & fruiting.
with Peter Salamun

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: ca 14.7 air mi ESE of Dutch John.
T2N R25E S32 N1/2; also South1/2 S29
White chalky outcrops, limestone, loose sandy soils. Phenology: flowering.

U.S.A., Colorado, Moffat County: County Road 75 along the Little Snake River.
Very sandy soil with sticky rabbitbrush and Indian ricegrass. Phenology: flowering & fruiting.
with Allen Huber

U.S.A., Wyoming, Sweetwater County: 2.5 mi and 24 deg from Manila, Utah.
zone 12T, 609012E, 4541900N; NAD 83, Specimen Label
With Wyoming big sagebrush, sticky rabbitbrush, and Astragalus kentrophyta. Phenology: flowering.

Oxytropis besseyi var. salmonensis (2010)
Oxytropis besseyi (Rydb.) Blank. var. salmonensis Barneby
U.S.A., Idaho, Custer County: East Fork Salmon Mountains: Spar Canyon at the confluence with the East Fork Salmon River, 6.5 air mi ESE of Clayton.
44.222° N, -114.27923° W; NAD83, uncertainty 10 m., Field Notes
Sandy or gravelly soil in xeric dry wash vegetation; 4° slope, SSW aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.
with Craig Scott

Oxytropis besseyi var. salmonensis (2011)
Oxytropis besseyi (Rydb.) Blank. var. salmonensis Barneby
U.S.A, Idaho, Custer County: Southern Salmon River Mountains: Bradshaw Gulch, 13.1 air mi S of Challis.
T11N R19E S6
Dominant population in xeric coarse textured soil within a dry wash, 3 degree slope, NNW aspect, trachyandesite geology. Phenology: flowering.

Oxytropis besseyi var. salmonensis (2011)
Oxytropis besseyi (Rydb.) Blank. var. salmonensis Barneby
U.S.A, Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: breaks on the east side of the Gerry Gulch watershed, 8.5 air mi NE of Challis.
T15N R20E S29
75-150 plants estimated in xeric soil within desert scrub vegetation, 17 degree slope, SW aspect, trachyandesite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: White Knob Mountains: head of Stag Creek where the ridge splits toward Castle Rock, 18.8 air mi W of Mackay.
75-150 plants estimated in xeric coarse textured soil on barren ground, 20 degree slope, SW aspect, trachyandesite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Salmon River Mountains: E of White Cloud Peaks on ridge dividing Pine and Sheep creeks, 25.6 air mi N of Sun Valley.
25-75 plants estimated in xeric soil within a forb dominated vegetation, 16 degree slope, WSW aspect, trachyandesite geology. 25-75 plants estimated. Phenology: flowering.

U.S.A., Idaho, Custer County: W of Grand View Canyon, ca 12.5 air mi SE of Challis.
Sand and sandstone with some limestone. Phenology: flowering.
with Emma E. Stewart

U.S.A., Idaho, Custer County: Mackay.
Conglomerate hilltop. Phenology: fruiting.
Type Specimen: Paratype for Oxytropis besseyi (Rydb.) Blank. var. salmonensis Barneby. Proc. Calif. Acad. Sci. ser 4, 27: 234. 1952
2. Oxytropis besseyi (Rydb.) Blank. var. salmonensis Barneby
Annotated by Jack E. Humbles on 3//1974. Paratype.
1. Aragallus inflatus (Hook.) A. Nelson.
with J. F. Macbride

Oxytropis besseyi var. ventosa (1988)
Oxytropis besseyi (Rydb.) Blank. var. ventosa (Greene) Barneby
U.S.A., Wyoming, Park County: Southwestern Absarokas: along Hardpan Creek, ca 24.5 air mi SW of Cody.
Foothills dominated by Artemisia and Elymus. Phenology: flowering.

Oxytropis besseyi var. ventosa (1996)
Oxytropis besseyi (Rydb.) Blank. var. ventosa (Greene) Barneby
U.S.A., Wyoming, Park County: Northern Absaroka Area: hogbacks and valleys W of Hogan Reservoir, ca 9.5-10.5 air mi SW of Clark; ca 21.5 air mi NW of Cody.
Sandstone hogbacks and slopes. Phenology: flowering.

Oxytropis besseyi var. ventosa (1996)
Oxytropis besseyi (Rydb.) Blank. var. ventosa (Greene) Barneby
U.S.A., Wyoming, Park County: Northern Absaroka Area: 2-3 air mi ENE of Buffalo Bill Dam.
Sandstones and shales near irrigation canal; scattered juniper. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Hogan Reservoir N and W at base and slopes of Bald Ridge.
Redbeds, sandstone and shale, limestone; foothills and outwashes. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Sheep Mountain, north-central access from 1.2-1.4 air mi S of County Road 6FU on west branch of central drainage.
Open areas and rocky slopes, calcareous. Phenology: flowering.
with David Rosenthal

U.S.A., Wyoming, Park County: Northern Absaroka Area: Sheep Mountain, north-central access from 1.3-1.5 air mi S of County Road 6FU on west branch of central drainage.
Volcanics; ridge and outcrops. Phenology: flowering.
with David Rosenthal

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.
with David Rosenthal

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: from Four Bear Trailhead to peak 8245T (Jim Mountain Quad), E of Jim Mountain and NW of Four Bear, ca 2.5 mi E of town of Wapiti on U.S. Hwy 14, 16, & 20.
Artemisia shrublands. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: ca 14 air mi W of town of Wapiti on U.S. Hwy 14, 16, & 20 and intersection with Moss Creek, up creek from road.
Riparian woodland along stream with scattered sagebrush grading into mixed conifer forest; volcanic substrate. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: Dead Indian Creek Trail, ca 21 air mi NW of Cody.
Sagebrush slopes with scattered limber pine, juniper, and spruce/fir forest in moist areas. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Signal Peak, ca 4 air mi due W of Wapiti on U.S. Hwy 14, 16, & 20, just inside forest boundary on north side of North Fork Shoshone River.
Toeslope of peak with scattered sagebrush; substrate volcanic. Phenology: flowering.
with Cathy Binger

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Open, overgrazed sagebrush-grassland on limestone substrates. Phenology: flowering.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
In meadows dominated by Festuca idahoensis, Leucopoa kingii, Astragalas miser var decumbens & Oxytropis campestris on substrate derived from volcanic rocks. Phenology: flowering.

Overgrazed sagebrush-grassland with some scattered Douglas fir. Phenology: flowering.

In riparian community dominated by Salix spp. and Alnus incana var. occidentalis. Phenology: flowering.

Summit and north facing slopes below in Douglas fir woodland and rocky openings. Phenology: flowering.

Open south-facing sagebrush-grassland, dominant species included: Artemisia nova, Artemisia tridentata ssp. wyomingensis, Carex filifolia and Agropyron spicatum. Phenology: flowering.

Cliffs and ledges of Willwood formation, mostly sandy soil. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge ca 0.5-1 mi N of Agee Creek, ca 9.0-9.5 mi N of U.S. Hwy 14, 16, & 20.
On open, rocky, south facing slope, sparsely vegetated, loose soil. Phenology: flowering.

Sagebrush-grassland dominated by Carex filifolia, Bouteloua gracilis, and Artemisia tridentata var. wyomingensis. Phenology: flowering & fruiting.

Sagebrush-grassland with Artemisia tridentata, Artemisia cana, Arenaria hookeri, and Agropyron spicatum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/4 mi S of Willwood Road, ca 2 mi E of U.S. Hwy Alt 14; ca 12 mi SE of Powell.
Grassland with some Artemisia tridentata and with Bouteloua gracilis, Carex filifolia, and Stipa comata. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/4-1/8 mi S of Sand Coulee Road, ca 4 mi E of Wyo Hwy 120, ca 25 mi N of Cody.
Sagebrush-saltbrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along west side of Oregon Basin Road, ca 1.5 mi S of U.S. Hwy 14, 16, & 20.
Sagebrush-grassland with Artemisia tridentata var. wyomingensis, Artemisia pedatifida, Delphinium geyeri, Bouteloua gracilis, Carex filifolia, and Stipa comata. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along west side of YU Bench Road, ca 8 mi S of U.S. Hwy 14, 16, & 20, SE of Cody.
Sagebrush-grassland with Bouteloua gracilis, Opuntia polyacantha, Lappula redowski, Poa secunda, and Astragalus grayi. Phenology: flowering.

U.S.A., Montana, Carbon County: Bighorn Basin: along Crooked Creek Road, ca 13 mi N of Lovell, Wyoming.
Sagebrush-saltbrush-grassland with scattered Juniperous scopulorum with dominants Bouteloua gracilis and Stipa comata. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along east side of YU Bench Road, ca 1.5 mi N of the Greybull River.
Sagebrush-grassland on sandy substrates with Bouteloua gracilis, Stipa comata, Poa secunda, Carex filifolia, Opuntia polyacantha, Delphinium geyeri and Haplopappus armerioides. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: south side of YU Bench, ca 0.5 mi N of County Road 3LE and the Greybull River, ca 5 mi NE of Wyo Hwy 120.
Sagebrush grassland on rocky alluvial soil with Arenaria hookeri, Bouteloua gracilis, Sedum lanceolatum, Stipa comata and Oryzopis hymenoides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: ridge N & W of the Newton Lakes, ca 4 mi NW of Cody.
Sagebrush-grassland with some scattered Pinus flexilis in places on rocky substrates with Artemisia nova, Penstemon laricifolius, Eriogonum pauciflorum, Bouteloua gracilis and Carex filifolia. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along Sliderock Mountain-Grouse Ridge Road (Forest Road 482).
Talus and rocky ridge E of road with Sedum lanceolatum, Potentilla hippiana, Douglasia montana, Minuartia nuttallii, and Phacelia hastata. Phenology: flowering.

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Sagebrush-grassland with Artemisia pedatifida, Hymenoxys acaulis, Atriplex confertifolia, and Bouteloua gracilis. Phenology: flowering.

U.S.A., Montana, Stillwater County: Ca 1/4-1/2 mi S of Cliff Swallow fishing access site, ca 10 mi W of Absarokee.
Ponderosa pine woodland and openings with Arenaria congesta var. lithophila, Agropyron spicatum, Leucopoa kingii, and Claytonia perfoliata Phenology: flowering & fruiting.

U.S.A., Wyoming, Stillwater County: Ca .25-.5 mi S of Cliff Swallow fishing access site; ca 10 mi W of Absarokee.
Ponderosa pine woodland and openings with Arenaria congesta var. lithophila, Agropyron spicatum, Leucopoa kingii, and Claytonia perfoliata Phenology: flowering.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along Rock Creek Road, just N of Limber Pine Campground, ca 15 mi SW of Red Lodge.
Disturbed roadside and meadow with Artemisia frigida, Erigeron caespitosus, Potentilla hippiana, and Festuca idahoensis. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge along north side of Grass Creek Road, ca 6 mi W of Wyo Hwy 120.
Sagebrush-grassland with Stipa comata, Stanleya tomentosa, Astragalus spatulatus, and Haplopappus armerioides. Phenology: flowering.

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.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 0.5 mi NE of Grass Creek, just N of Cottonwood Creek Road, ca 22 mi NW of Thermopolis.
Shrub steppe with Atriplex confertifolia, Atriplex gardneri, Lappula redowskii, and Xylorhiza glabriuscula. Phenology: flowering.

U.S.A., Montana, Park County: Gallatin Range foothills: ridge 1/8-1/4 mi N of Cokedale Road, 6 mi W of Livingston.
Grassland/forbland on south facing slope and rocky breaks with scattered juniper and limber pine. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Ridge just E of U.S. Hwy 310 and W of Hollenbeck Draw, S of the Clarks Fork Yellowstone River, 5 mi S of Belfry.
Sagebrush-saltbush-grassland on sandstone outcroppings with Cymopterus terebinthinus, Artemisia nova, and Atriplex confertifolia. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Wolf Canyon 1 mi S of the Yellowstone River, ca 14 mi WSW of Laurel.
Sides of canyon in rocky open ponderosa pine forest with Agropyron spicatum, Festuca idahoensis, and Rhus trilobata in the understory. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: Stratton Rim on the southeast end of Green Mountain ca 5 air mi WSW of Whiskey Peak; ca 16 air mi SE of Jeffrey City; ca 6 air mi NW of Bairoil.
Stony, gravelly slopes with some scattered sagebrush. Phenology: flowering & fruiting.
Accession: 674503, Barcode: RM0185596

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: near Bull Springs Rim, ca 7 air mi SW of Bairoil; ca 11.5 air mi SE of Bare Ring Butte.
Narrow draw on south facing slope of rim with sagebrush and rocky, sandy soil. Phenology: flowering & fruiting.
Accession: 674501, Barcode: RM0185598

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Partially vegetated knoll with grasses and sagebrush; sandy rocky soil. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Jakeys Fork, ca 3.8 air mi SE of Dubois; W of main road to fish hatchery and CM Ranch.
Artemisia tridentata var. wyomingensis stand. Plot 96003 NE, NE, SW Phenology: flowering.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Artemisia tridentata var. wyomingensis stand. Plot 96015 NW, NE, NE Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station.
Sagebrush with scattered Pinus flexilis; dry areas.

U.S.A., Wyoming, Park County: Bighorn Basin: E of BLM Road 1212, ca 16.5 air mi E of Cody and ca 17 air mi SSE of Powell.
Sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along access road N at Eagle Pass, ca 10.7 air mi ESE of Cody.
Sagebrush in sandy soil with cobbles. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 7RP near Clarks Fork Yellowstone River, ca 23.5 air mi NNW of Cody.
Sagebrush in sandy soil with cobbles. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: near Dry Creek, ca 15.5 air mi SSE of Cody and ca 11 air mi NNW of Meeteetse.
Sagebrush with sandy soil and cobbles. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along U.S. Hwy 14, 16, & 20, County Road 65Y and North Fork Shoshone River, ca 1 air mi ENE of Wapiti and ca 18.5 air mi WSW of Cody.
Sagebrush and juniper with pine. Phenology: flowering & fruiting.

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.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: jetty on E side of Seminoe Reservoir, ca 2 air mi ESE of Seminoe Dam; ca 24.5 air mi NW of Hanna.
Red sandy shores and rocky embankment of reservoir. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South flank of the Seminoe Mountains.
Common, flowers pinkish-purple, fading blue. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Ca 13 mi S of Dubois along Wind River.
Red sandy hills. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Seminoe Dam.
Satanka formation. Phenology: flowering.
3. Oxytropis besseyi (Rydb.) Blank. var. ventosa (Greene) Barneby
Annotated by Stanley L. Welsh. Fl. N. Amer Project 1989-94
  .

U.S.A., Wyoming, Natrona County: 3 mi W of Alcova.
Red sandy-clay soil. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along the south side of Buffalo Bill Reservoir, ca 8 mi SW of Cody.
Rocky, open, sparsely vegetated ridge above reservoir with Phlox bryoides, Haplopappus armerioides, Gaura coccinea and Artemisia pedatifida. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge on the east side of Sheep Mountain, ca 9 mi WSW of Cody.
Open, rocky forb/grassland dominated by Carex filifolia with sparse scattered Artemisia tridentata ssp. vaseyana. Phenology: flowering.
2. Oxytropis besseyi (Rydb.) Blank. var. ventosa (Greene) Barneby
Annotated by Stanley L. Welsh. Fl. N. Amer Project 1989-94
  .

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: southwest flank of Rattlesnake Mountain, ca 6 mi W of Cody and ca 0.5 mi N of U.S. Hwy 14, 16, & 20.
Sagebrush-grassland community with Artemisia nova, Agropyron spicatum and Hymenoxys acaulis dominating. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge just E of Wall Creek, ca 1.5-2.0 mi N of U.S. Hwy 14, 16, & 20.
Open sagebrush/grassland community, dominant species include Artemisia nova, Stipa comata, and Agropyron spicatum. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: divide between Clearwater and Sweetwater creeks, ca 2 mi N of U.S. Hwy 14, 16, & 20.
Rocky, open ridgetop with a few Douglas fir and limber pine, sparsely vegetated, substrate loose and shifting. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Cougar Creek, just E of the confluence of Cougar and Elk Fork creeks, ca 3 mi S of U.S. Hwy 14, 16, & 20.
Dry slopes and ridges above creek. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Flaming Gorge Nat'l Recreation Area, Green River Basin; Massacre hill.
T16NR109WS6
Rocky hilltop on a sandsaone member of the Green River Formation with Wyoming big sagebrush and desert shrubs. Phenology: flowering.

U.S.A., Wyoming, Park County: Southwestern Absarokas: vicinity of South Fork Ranger Station, ca 45 air mi SW of Cody.
Artemisia and Salix along stream. Phenology: flowering.

U.S.A., Wyoming, Park County: Southwestern Absarokas: along Hardpan Creek, ca 24.5 air mi SW of Cody.
Foothills dominated by Artemisia and Elymus.

U.S.A., Wyoming, Park County: Bighorn Basin: plains N of Bennett Creek, ca 4-5 air mi NW of Clark; ca 30 air mi NNW of Cody.
Sandy to sandy clay soils in sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: off Wyo Hwy 120 on Red Ridge, ca 5.5 air mi E of Grass Creek Post Office; ca 26.5 air mi NW of Thermopolis.
Clay slopes and ridges in rough breaks. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1.5 mi N of Silvertip Oil Field; ca 19 air mi NW of Powell.
Sandy-clay flats and upper slopes on ridge with sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Little Sheep Mountain, ca 5.5 air mi SE of Lovell.
Ridges in Chugwater redbeds. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along and above St. Joe Canal off Dorsey Creek Road, ca 18 air mi W of Basin, ca 5 air mi SSE of Burlington.
Sandy areas and among sandstone outcrops on top of hills. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along McCullough Peak Road above West Branch Whistle Creek, ca 2.5 air mi NE of McCullough Peak, ca 16.5 air mi S of Powell.
Limestone rubble slopes below benchland. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along Whistle Creek Road at Gilmore Hill, ca 7.5 air mi ESE of McCullough Peak, ca 15.5 air mi SSE of Powell.
Around sandstone outcrops at edge of badlands. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: between Big Sand Coulee and Polecat Bench, 9.5 air mi WNW of Powell, ca 6 air mi NW of Ralston.
On, around, and below sandstone outcrops in rough breaks. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: Big Sand Coulee drainage, 19.5 air mi NW of Powell, ca 5.5 air mi NE of Clark.
Roadside. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: near the mouth of Clarks Fork Canyon, ca 25.5 air mi NW of Cody, ca 8.5 air mi SW of Clark.
Stony-gravelly canyon bottom. Phenology: flowering.
1. Oxytropis besseyi (Rydb.) Blank. var. ventosa (Greene) Barneby
Annotated by Emily Elliott.
Accession: RM 861894, Barcode: USFS0042290

U.S.A., Wyoming, Park County: Bighorn Basin: Polecat Bench, ca 7 air mi NNW of Powell.
Cobblestone slopes of rim. Phenology: flowering.

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

U.S.A., Wyoming, Park County: Bighorn Basin: Squaw Teats, ca 15 air mi ESE of Meeteetse.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 5 air mi SE of Grass Creek; ca 25 air mi NW of Thermopolis.
Rocky slopes. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: near the head of Spring Creek, ca 6 air mi S of Cody.
Sandstone ridge. Phenology: flowering.

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

U.S.A., Wyoming, Fremont County: Flats, across U.S. Hwy 26 from Paradise Valley Road, ca 6 air mi WNW of Riverton.
Steep sagebrush grassland slopes. Phenology: flowering.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: flats, across U.S. Hwy 26 from Haines farm, ca 9 air mi W of Riverton.
Sagebrush grassland and badland slopes and bottoms. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Top of Beaver Rim, SW of Devils Gap, ca 6.5 air mi NNW of Sweetwater Station.
Sagebrush grassland.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: edge of Beaver Rim: W of Rock Creek Mountain, ca 17 air mi NNE of Sweetwater Station.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: along East Fork Dry Creek, ca 12 air mi NW of Lysite.
Cobble bench and slopes, greasewood flats along creek, margins of creek; slopes. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: YU Bench, along Burlington-Meeteetse Road, ca 16.5 mi NE of junction with Wyo Hwy 120.
Sandstone ridge, dissected slopes of bench; upper ridge. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: "Colter Hell", 3 air mi W of center of Cody.
Inner slopes of pits from former hot springs, surrounding plains; plain. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: Sunshine Creek Road, ca 4.5 air mi W of Sunshine Reservoir Dam.
Sagebrush plains on clay, cobble hillsides and ridge top, small draws; slopes. Phenology: flowering.

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

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 33 air mi SW of Cody, at the junction of Boulder Creek and Little Boulder Creek.
Sage grasslands with scattered limber pine. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 8 air mi WSW of Worland near mile post 5 on Wyo Hwy 431.
Mostly sandy, some clayey, slopes with sagebrush dominating. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Wyo Hwy 431, ca 23 air mi W of Worland.
Badlands with shales, sandstones, and plains on margin. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Basin: Cedar Ridge and barren hills to the N.
North slopes and crest of ridge with Juniperus osteosperma. Phenology: flowering.

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

U.S.A., Wyoming, Park County: Bighorn Basin: north end of Oregon Basin: ca 8 air mi SE of Cody.
Sandstone outcrops with some limber pine and shale on lower slopes. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: northwest side of YU Bench, ca 18 air mi SE of Cody.
Sandstone outcrops and shaley drainage. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: Spring Creek, 2 air mi WNW of Meeteetse.
Sandstone outcrops and grassy ridge. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: East Fork Big Wind River, 7 air mi ESE of Dubois.
Sagebrush hills with red beds and shales. Phenology: flowering.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Ishawooa Hills and Creek.
Sedimentary substrate of shales and sandstone and derivatives; sagebrush hills and slopes and badlands. Phenology: flowering.
with Neil Snow

U.S.A., Wyoming, Park County: Southwestern Absarokas: Deer Creek trail, from trail head on South Fork Road to ca 2 mi W.
East exposed slope of sandstones and shales with sagebrush and limber pine and south slopes with douglas fir and some igneous outcrops. Phenology: flowering.
with Neil Snow

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: Sage Creek Campground and vicinity on Sage Creek, ca 19 air mi ESE of Bridger.
45.2117° N, 108.5521° W; uncertainty 0.5 mi., GPS reading
Southerly-facing slope with Elymus spicatus and occasional limber pine and juniper on limestone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Clarks Fork Canyon along Morrison Trail, ca 25-26 air mi NNW of Cody.
Gravelly soil with granite boulders. Phenology: flowering.
with Emily Elliott, Brian Elliott

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along West Red Lodge Creek and ridge between West Red Lodge and East Fork West Red Lodge creeks, ca 3 air mi SSW of Luther; ca 11.5 air mi WNW of Red Lodge.
Westerly-facing slope with scattered limber pine, Douglas fir, and ponderosa pine, with open gravelly patches. Phenology: flowering.

U.S.A., Montana, Carbon County: Bighorn Basin: along Robertson Draw Road, just N of Wyoming, ca 3 air mi W of Chance Bridge on Clarks Fork Yellowstone River, ca 10.5 air mi SSW of Belfry.
Sandy flats and wash with big sagebrush, clay slopes, and gravelly cobblestone ridgetops. Phenology: flowering.
with Brian Elliott, B. E. Nelson

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Clarks Fork Canyon along Morrison Trail, ca 24-25 air mi. NNW of Cody
Open, disturbed area; forb dominated. Phenology: flowering.
with Brian Elliott and B. E. Nelson

U.S.A., Montana, Carbon County: Cooney Reservoir along Red Lodge Creeek Road, on south side of reservoir W of dam, ca 18 air mi N of Red Lodge.
Slopes around reservoir with sandy soils in mixed Artemisia cana and annual weedy forbs/grasses. Phenology: flowering.
with Brian Elliott

U.S.A., Montana, Stillwater County: Beartooth Mountains: along Mont Hwy 420, ca 3/4 mi N of Beehive, ca 31 air mi NW of Red Lodge.
Volcanic tuft (ash substrate) cliffs and surrounding slopes dominated by annual weedy forbs with very few trees, area recently burned. Phenology: flowering.
with Brian Elliott

U.S.A., Montana, Park County: Gallatin Mountains: Gallatin National Forest: along Forest Road 978, ca 14 air mi SW of Livingston.
Steep south-facing open slope dominated by mixed grasses and forbs into outcrop of conglomerates and mixed conifer forest. Phenology: flowering & fruiting.
with Brian Elliott
Accession: RM 869349, Barcode: USFS0063791

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: from 1/4 air mi W of Teepee Creek, towards summmit of Sunshine Point, ca 43 air mi S of Bozeman.
Calcareous slopes and outcrops with open and wooded areas. Phenology: flowering & fruiting.
Accession: RM 869315, Barcode: USFS0063792

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: West Fork Rock Creek drainage, adjacent to McDonald Ditch, ca 3 air mi SW of Red Lodge.
45.158° N, 109.3015° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Foothills grassland with neighboring cottonwood ditch side. Phenology: flowering & fruiting.

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.

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

U.S.A., Wyoming, Park County: Beartooth Mountains: canyon of the Clarks Fork Yellowstone River.
Lower slopes along river to end of road. Phenology: flowering & fruiting.

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

Stony, grassy slopes with scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains: northern tip of Boulder Ridge, County Road 316 (Sportsman Lake Road), ca 14 mi S of Laramie.
Upland plains and rocky outcrops with patches of sagebrush and other shrubs. Phenology: fruiting.
with Bernadette Kuhn

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: ca 6.5 air mi ENE of Beartooth Pass, on north-facing slope of unnamed plateau, ca 13 air mi SSW of Red Lodge.
Dry meadows near bottom of canyon. Phenology: flowering & fruiting.

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.
Accession: USFS (unaccessioned), Barcode: USFS0048227

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: ca 4 air mi SW of Nye, along Stillwater River.
Roadside park along the river and adjacent limestone outcrop. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0047384

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: ca 6.5 air mi ENE of Beartooth Pass, on north-facing slope of unnamed plateau, ca 13 air mi SSW of Red Lodge.
Dry meadows near bottom of canyon. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0047284

U.S.A., Wyoming, Park County: Absaroka Range: Clarks Fork Valley: northeast end of divide separating the Clarks Fork Valley and Sunlight Basin on west side of Chief Joseph Scenic Highway, ca 1 mi NW of Sunlight Bridge.
East-facing gentle slope above steep dolomitic cliffs; soils gray clay-loam with scattered dolomitic rock and gravel; community of Elymus spicatus-Festuca idahoensis-Koeleria macrantha with scattered Chrysothamnus nauseosus at edge of Pinus flexilis-Pseudotsuga menziesii grove. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Mountains: Bald Ridge, on east side of the canyon of the Clarks Fork of the Yellowstone River; ca 23 air mi NW of Cody.
Open site on crest of Bald Ridge. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: 1/8 mi E of Clearwater Creek and 1/2 mi N of U.S. Hwy 14, 16, and 20.
In draw and on ridge. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: north side of Sheep Mountain, 1 mi S of U.S. Hwy 14, 16, & 20.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: north side of Flag Peak, ca 1 mi S of U.S. Hwy 14, 16, and 20.
Openings in Douglas fir forest. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Basin: mesa E of Cedar Rim on north side of BLM Road 2301, ca 10 air mi N of Sweetwater Station.
zone 12T, 735330E, 4729690N; NAD 83, Specimen Label
Rim of mesa with chalky limestone over clay of the Split Rock Formation; cushion plant/ bunchgrass community with Phylox muscoides, Stenotus armerioides, Eriogonum flavum, Minuartia nuttallii, & Cryptantha caespitosa. Integrades with var. besseyi. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: Sheep Mountain, 11.5 mi SW of Cody.
Central upland below limestone escarpment; with Elymus spicatus, Artemisia tridentata var. wyomingensis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: south peninsula at the confluence of Blacks Fork and Green River, ca 17 air mi S of Green River.
Rocky slopes at the edge of the reservoir with scattered Artemisia and Atriplex. Phenology: flowering.
with C. H. Refsdal and Laura Welp

U.S.A., Wyoming, Carbon County: Sweetwater River Valley: ridge on northeast side of U.S. Hwy 287, 5 road mi NW of Three Forks (Muddy Gap) Junction.
Gravelly siltstone deposits on flat summit and upper slopes; cushion plant community with Phlox muscoides, Sphaeromeria capitata. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Between Shoshoni and Boysen Dam.
Arid plains, with Opuntia. Occasional; flowers orchid-pink. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Fremont County: Ca 8 mi E of Shoshoni: along Wyo Hwy 20.
On sandy roadcut, with Stipa comata. Phenology: flowering.
with R. Foster

U.S.A., Wyoming, Natrona County: Bad Water.
Gravelly ridges. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Black Buttes Mill Site, 20 mi N of Shoshoni.
Dry hillside. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Indian Reservation: Owl Creek Mountains.
Calcareous slope with Physaria and Abronia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Ca 19 mi SSE of Meeteetse, along Wyo Hwy 120.
Sagebrush-grass community; Cretaceous sandy clay. Phenology: flowering.
with Robert Foster

U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: Thompson Cattle Camp.

U.S.A., Wyoming, Natrona County: Bad Water.
Gravelly ridges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Clarks Fork Valley: Clark.
Dry sandy slope. Phenology: flowering.
Edward D. Pearson, 5. 6/19/1924.
with Dorothy Pearson

U.S.A., Wyoming, Fremont County: 8 mi SE of Dubois, west-facing bluff overlooking the Wind River.
Flowers blue. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Valley at Dubois.
Summit of clay bluff. Abundant. Phenology: flowering.
with Rupert C. Barneby

U.S.A., Wyoming, Fremont County: Ca 12 mi N of Riverton on Wyo Hwy 320: ca 1 mi east off highway.
Rocky pasture land. Phenology: flowering.
with M. D. Atkins

U.S.A., Wyoming, Park County: Ca 14 mi N of Meeteetse.
Grass-sagebrush community, on hills adjacent to road. Phenology: flowering.
with Robert H. Foster

U.S.A., Wyoming, Park County: Clarks Fork ca 23 mi N of Cody.
Gravelly terrace, with Stipa comata community. Phenology: flowering & fruiting.
with Robert H. Foster

U.S.A., Wyoming, Fremont County: 5 mi S of Wind River Canyon.
Arid sandy desert. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Ca 3 mi S of Wind River Canyon along the highway.
  .

U.S.A., Wyoming, Fremont County: Badlands W of Oil Mountain on the Oil Springs Road.
Clay soils in badlands. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Lysite Badlands: badlands draining N into Alkali Creek, ca 2.5 air mi W of Lysite.
Near brown sandstone outcrops and relatively gentle slopes above and below. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Ca 5.3 mi ESE of junction Wyo Hwy 28-U.S. Hwy 287 on U.S. Hwy 287, ca 13 mi from Lander.
Red triassic outcrop--sandstone, grassland, along strike ridges. Phenology: flowering.
with Kaye H. Thorne

U.S.A., Wyoming, Fremont County: Lysite Badlands: near power line W of Moneta-Lysite Road (turnoff at Graham Reservoir), ca 1.5 air mi NNW of Moneta.
Near and among sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: 3 mi S of Casper.
Dry grassy knoll. Phenology: flowering.
George F. Freytag, 5. 5/2/1948.

U.S.A., Wyoming, Sweetwater County:
Rocky slope with Delphinium and Hymenopappus. Corolla pink-purple. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County:
Gravelly ridge with Abronia, Atriplex. Corolla pink-purple. Phenology: flowering.

U.S.A., Wyoming, Park County: Cody.
Open plains. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: ca 8 air mi NW of Dutch John; 2.1 mi W of the Forest boundary.
Mountain top, shaly, Cercocarpus. Phenology: flowering.
with S. Goodrich

U.S.A., Wyoming, Fremont County: Birds Eye.
Dry stony hilltops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Whitehorse Creek Wilderness Study Area: ca 1.8 air mi NNW of Oregon Butte summit, ca 13.5 air mi SSW of South Pass City.
Gravely outcrop rim, Bridger Formation, west aspect, 1% slope; cushion plant community with Phlox muscoides, Eriogonum acaule, Elymus spicatus, Eremogone hookeri. Phenology: flowering.