Penstemon eriantherus (1987)
PLANTAGINACEAE
Penstemon eriantherus Pursh
U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: north side of Crow Peak ca 1-2 mi N of U.S. Hwy 14, 16, & 20.
On steep south-facing slope in open, rocky sagebrush-grassland/Douglas fir mosaic. Phenology: flowering & fruiting.
Accession: RM 731748, Barcode: RM0067048

Penstemon eriantherus (1997)
PLANTAGINACEAE
Penstemon eriantherus Pursh
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.
Elev. 4280 ft.
Sagebrush-saltbush-grassland on sandstone outcroppings with Cymopterus terebinthinus, Artemisia nova, and Atriplex confertifolia. Phenology: flowering.
Accession: RM 818390, Barcode: RM0023340

Penstemon eriantherus (1996)
PLANTAGINACEAE
Penstemon eriantherus Pursh
U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Elev. 7100 ft.
Artemisia tridentata var. wyomingensis, Elymus spicatus stand. Plot 96036 SW, SW, CS1/2
Accession: (unaccessioned)

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Waynes Hole: ca 14 air miles NE of Dubois.
Elev. 8600 ft.
Poa secunda stand on dry ridge in south center of meadow. Plot 93021 SW, NE, SW
with John Tamsen
Accession: (unaccessioned)

U.S.A., Wyoming, Albany County: E of Laramie.
41.3139° N, 105.5437° W; NAD 83, uncertainty 1 mi., Digital Map
Sandy prairie. Flowers lavender. Phenology: flowering.
Accession: RM 195012, Barcode: RM0236379

U.S.A., Wyoming, Converse County: 8 miles north of Douglas.
42.8452° N, 105.2873° W; NAD 83, uncertainty 1 mi., Digital Map
Gumbo soil, open plains. Flowers lilac-purple. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Platte River at Ft. Steele.
41.7778° N, 106.9458° W; NAD 83, uncertainty 1 mi., Digital Map
Rocky hills along the river. Phenology: flowering.

U.S.A., Wyoming, Carbon County: 14 mi N of Rawlins.
On sandy soil. Phenology: flowering.

U.S.A., Wyoming, Park County: Eastern approach to Dead Indian Hill.
Flowers lavender. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: 27 mi S of Newcastle.
Grassy hills, gumbo soil. Flowers lilac. Phenology: flowering.

U.S.A., Wyoming, Weston County: Newcastle.
Phenology: flowering & fruiting.
Annotations:
5. Penstemon eriantherus Pursh var. eriantherus
Annotated by Craig C. Freeman in 1981.
Accession: RM 18244

Penstemon eriantherus var. cleburnei (1997)
Penstemon eriantherus Pursh var. cleburnei (M. E. Jones) Dorn
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: ca 3 air mi WSW of Halfway Hill between First and Second Sand creeks, ca 8.8 air mi SW of Medicine Bow; ca 9.5 air mi NE of Elk Mountain (town).
Sagebrush area on the slopes of ridge. Phenology: flowering.
Annotations:
1. Penstemon eriantherus Pursh var. cleburnei (M. E. Jones) Dorn
Annotated by Amy J. Roderick.
Accession: RM (unaccessioned)

Penstemon eriantherus var. cleburnei (1996)
Penstemon eriantherus Pursh var. cleburnei (M. E. Jones) Dorn
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.
Annotations:
1. Penstemon eriantherus Pursh var. cleburnei (M. E. Jones) Dorn
Annotated by David Rosenthal.
Accession: USFS 853223, Barcode: USFS0037189

Penstemon eriantherus var. cleburnei (1997)
Penstemon eriantherus Pursh var. cleburnei (M. E. Jones) Dorn
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Second Cottonwood Draw and vicinity, ca 26 air mi SE of Rawlins; ca 7 air mi NW of Saratoga.
Stony slopes with sagebrush in draws. Phenology: flowering & fruiting.
1. Penstemon eriantherus Pursh var. cleburnei (M. E. Jones) Dorn
Annotated by Amy J. Roderick.
with Amy J. Roderick
Accession: RM (unaccessioned)

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: Warm Springs Canyon access from east side of Warm Springs Mountain, ca 6.5 air mi ENE of Dubois; ca 1 air mi S of Stoney Point.
Sagebrush shrublands/forest ecotone with dryer south facing slopes leading down to the creek. Phenology: flowering.
Accession: USFS 857171, Barcode: USFS0038827

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Whiskey Basin Wildlife wintering area, along trail going W and off trail, across wilderness boundary on old trail to Noon Rocks, ca 3.5 air mi S of Dubois.
Pine/spruce forest several years after burn; on calcareous substrate with limestone outcrops. Phenology: flowering.
Accession: USFS 857170, Barcode: USFS0038826

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Broken slate (shale) with ponderosa pine, rocky sandstone ridges, and alkaline flats. Phenology: flowering.
Annotated by Amy J. Roderick.
with Amy J. Roderick and B. A. Packer
Accession: RM (unaccessioned)

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

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., Wyoming, Hot Springs County: [location and coordinates withheld]
Sagebrush-grassland with scattered Juniperus scopulorum, Lewisia rediviva, Koeleria macrantha, and Carex filifolia. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: summit of Sheep Mountain E of Wyo Hwy 71, ca 18.7 air mi S of Rawlins.
East facing bench of sandstone rimrock. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Sagebrush slopes, area beneath snow fence, and shale and sandstone outcrops. Phenology: fruiting.
Annotated by Laura Welp.
Accession: (unaccessioned)

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Partially vegetated west facing slope with grasses and scattered low sagebrush; sandy soil with sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: ca 20 air mi SSE of Lander; ca 9 air mi N of Schoettlin Mountain.
Foot of hill with grasses and scattered sagebrush; silty soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Terrace above East Fork-Sage Treatment Area: ca 8.5 air mi ENE of Dubois; on 2-track 0.6 mi from main East Fork Road to old fence line; along closed 2-track/old fence line ca 0.5 mi S to row of posts.
Artemisia tridentata var. wyomingensis bladed in rows. Plot 93084 SW, NW, NW Phenology: flowering.
Accession: 729571, Barcode: RM0067050

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: On terrace W of Wiggins Fork, ca 6.5 air mi NE of Dubois; SSW of top of switchback down to Wiggins Fork.
Artemisia tridentata var. wyomingensis, Elymus spicatus stand. Plot 93043 NE, NE, NE Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Little Warm Springs: ca 4.5 air mi W of Dubois; N of main road.
Dry grassland. Plot 95003 NE, SW, NE Phenology: flowering.
Accession: 729570, Barcode: RM0067049

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 & fruiting.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
In small "basin" in Artemisia tridentata stand. Plot 96012 NW, NE, SW Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: upper Lime Kiln Gulch, S of Dubois; road from "Jakeys Fork Trail"; left before road crosses drainage, on north side of fence.
Artemisia tridentata var. wyomingensis stand. Plot 96018 NW, NE, NE
Annotated by C. Lynn Kinter.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Mason Draw road: ca 4 air mi NE of Dubois; main road N past Dubois landfill; E end of the road.
Grassland. Plot 94010 NW, SE, NW Phenology: flowering.
with John Tamsen

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: bench above Tappan Creek: ca 2.3 mi N of Dubois; E of 2-track that runs up through draw.
Sagebrush. Plot 94012 SW, NW, NE
Annotated by C. Lynn Kinter.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Mason Draw grassland: ca 2 air mi NE of Dubois; old 2-track, which is the beginning of a nature trail; at fence corner, and just before trail leaves 2-track, go left (N) ca 50yds.
Grassland. Plot 94008 NE, NE, NW Phenology: fruiting.
with Susanne Neumiller

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: bench above Tappan Creek: ca 2.3 mi N of Dubois; E of 2-track that runs up through draw.
Grassland. Plot 94011 SW, NE, NE Phenology: flowering.
with Chris Queen

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.
with Luanne Lum

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above the head of Buffalo Springs Creek on a tributary of Nowater Creek, ca 3 air mi N of Hawks Butte, ca 18 air mi SW of Big Trails; ca 32 air mi E of Thermopolis.
Clay slopes where snow accumulates. Phenology: flowering.
with Luanne Lum

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.
Snow accumulation areas on sandy slopes in the breaks. Phenology: flowering.
with Luanne Lum

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1427 W of Sand Creek, ca 9.2 air mi NE of Worland.
Sagebrush and greasewood on mudstone and sandstone. Phenology: flowering.

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 U.S. Hwy 16, ca 1.9 air mi ESE of Ten Sleep.
Juniper with sagebrush and yucca on sandy soil and shale. 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 BLM Road 1404, ca 9.0 air mi S of Worland and S of East Fork Nowater Creek.
Sagebrush on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: E of Cottonwood Creek and Wildhorse Hill, ca 7.1 air mi ENE of Ten Sleep.
Sagebrush and juniper on sandy slope. 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, Washakie County: Bighorn Basin: along County Road 83, ca 9.2 air mi NW of Ten Sleep and 9.2 air mi SSE of Hyattville.
Sagebrush on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1435, ca 4 air mi WSW of Ten Sleep.

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, Hot Springs County: Bighorn Basin: along Black Mountain Road on Lake Creek Divide, ca 22 mi ENE of Thermopolis.
Sagebrush and yucca on shale and sandy soil. 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.

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, Hot Springs County: Bighorn Basin: S of Warm Springs Creek, ca 3.8 air mi SE of Thermopolis.
Sagebrush on sandstone. 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.

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

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Red Canyon ca 1 mi W of Weiser Knoll, ca 14 air mi SE of Lander.
Juniper/sagebrush draws and slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: west slope of Warm Spring Moutain, ca 8 air mi WNW of Dubois.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: southeast side of Fairfield Hill, ca 6 air mi SW of Lander.
Recently burned sagebrush grassland toeslope on mixed granite and limestone substrate. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: 1.5 mi S of Weiser Knoll, ca 16 mi SSE of Lander.
Juniper/pine woodland amongst cliffs interspersed with sagebrush grasslands. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 3 mi SSE of Torrey Lake, ca 9 air mi S of Dubois.
Graminoid dominated meadow. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1.5 mi WNW of Torrey Lake, ca 5 air mi SSE of Dubois.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1.5 mi SW of Lander Hill, ca 4 air mi W of Lander.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: south ridge of Sheep Canyon, ca 4.5 air mi SW of Lander.
Rocky mixed shrubland and grassland on limestone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 3 mi SW of Weiser Knoll; ca 15 air mi SSE of Lander.
Rocky meadow on limestone. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: 1 mi NW of Weiser Knoll, ca 12 air mi SSE of Lander.
Sagebrush steppe. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Carr Reservoir on Twin Creek along Twin Creek or County Road 19, ca 17 air mi SE of Lander.
Sagebrush flats above the reservoir. Phenology: flowering.
Annotated by Rachel Newton.

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.
Annotated by Rob Massatti.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: dried up lake, ca 16 air mi WSW of Midwest.
Dried lake bottom and surrounding uplands. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: small pond, ca 21 air mi W of Midwest.
Dry, grazed uplands. Phenology: flowering.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Dry Artemisia scrub uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Eastern flank of Cedar Mountain.
Gravelly knolls among Juniperus trees. *southern Sweetwater county* Phenology: flowering.
with R. C. Rollins

U.S.A., Wyoming, Carbon County: Southern Shirley Basin: [on Casper Cutoff Road] 10 mi N of Medicine Bow.
Dry grassland hills. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Washakie County:
Limestone-red bed slope with Astragalus hyalinus and Haplopappus acaulis. Corolla lavender. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Ca 3 mi E of Green River.
Clay-shale ridge with Sphaeromeria argentea and Atriplex. Corolla pinkish-lavender. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Sherman Mountains: ca 7.5 air mi SE of Laramie.
Pine-fir forest; windswept mountain side. Phenology: flowering.
with J. Brondum, T. McGowan, and J. Wilson

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, Laramie County: Laramie Range: ca 1.5 road mi S of Federal; ca 25 air mi NE of Laramie.
Sandstone cliffs. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Poison Spider bentonite pit W of County Road 202, ca 12 air mi W of Casper.
Ponderosa pine on shale, bentonite hills. 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, Carbon County: Upper North Platte and Laramie River Drainages: ca 2 air mi from Horse Peak; ca 2 air mi from junction of Wyo Hwy 77 and 487.
Calcareous gravel two-track through rolling grasslands. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Laramie Range: W of Little Red Creek on the southwest side of Casper Mountain, ca 10.5 air mi SW of Casper.
Nearly flat sagebrush areas between the creek and steep slopes. Phenology: flowering.
Annotated by B. A. Packer.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: north side of Bessemer Mountain, ca 13.7 air mi SW of Casper.
Calcareous hills of Juniperus osteosperma and Artemisia tridentata. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: headwaters of Pinto Creek, ca 9 air mi SW of Garrett.
Sagebrush-grassland with granite outcrop and limestone leaching (?) from above. Phenology: flowering.
Annotated by B. A. Packer.

U.S.A., Wyoming, Albany County: Laramie Range: Red Hill, ca 4 air mi N of Wheatland Reservoir No. 3.
Sagebrush-grassland and calcareous rocky bench with juniper and limber pine. Phenology: flowering.
Annotated by B. A. Packer.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: Dry Creek N of Dry Creek or County Road 321, ca 14.5 air mi NW of junction with Wyo Hwy 220.
Sagebrush-grassland on chalky substrate; Artemisia nova common. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: along unnamed spur of the Laramie River, ca 15 air mi SW of Esterbrook.
In sagebrush/grassland among boulders. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.
with T. McGowan

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Granite Mountains: ca 1.5 air mi SE from Lone Mountain; ca 19.2 air mi W of junction with Wyo Hwy 220.
Sagebrush with granitic outcrops; Selaginella densa common. Phenology: flowering.

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.
with Ronald L. Hartman

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and flats ca 2 air mi E of White Mountain; ca 2.6 air mi W of Rock Springs.
Sandy to clay soil; sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: badlands and draws ca 2 air mi E of Flaming Gorge Reservoir; ca 3.5 air mi W of Minnies Gap; ca 40 air mi SSW of Rock Springs.
Badland slopes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: draws and slopes from White Mountain draining to Bitter Creek, ca 2 air mi NW of Bitter Creek; ca 5.5 air mi WSW of Rock Springs.
Open, clay slop Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Basin: ca 1.6 air mi NE of Dubois.
Red and gray banded badlands with nearly barren slopes and grassy flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: School Creek, ca 1.7 air mi NW of Bradley Peak; ca 5.2 air mi E of Ferris townsite.
Sagebrush-grasslands; flats and hillside bordering seep. Phenology: flowering.
with Frank Blomquist

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

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

U.S.A., Wyoming, Carbon County: Northern side of the Ferris Mountains: along Little Cherry Creek and slopes above Little Cherry Creek, ca 6 air mi SE of Muddy Gap Junction (Three Forks).
Slope under limber pine. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Flats, across U.S. Hwy 26 from Haines Farm, ca 9 mi W of Riverton on Wyo Hwy 26.
Sagebrush grassland and badland slopes and bottoms. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Sweetwater Rocks: Cranner Rock, ca 14 3/4 air mi ESE of Jeffrey City.
Sandy soil at base of granite outcrop. 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 and badland slopes and bottoms. Phenology: flowering & fruiting.
with Georgia Haines

U.S.A., Wyoming, Carbon County: Red Hills, WNW of Muddy Gap, 2.5 air mi WSW of Muddy Gap Junction.
Rocky hilltop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 9 mi NE of Dubois, ca 2 mi NW of junction of East Fork Wind River and Bear Creek.
Sagebrush grasslands (Artemisia tridentata var. wyomingensis) and limestone, shale and granite sand to boulders; dry sites. Phenology: flowering.
Robert S. Kirkpatrick, 2661. 6/20/1984.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: County Road 499, ca 1.5 road mi SE from Wyo Hwy 220; ca 8.5 air mi NE from Three Forks Junction.
Chalky, sandy hills dominated by grasses and cushion plants. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 11 air mi NE of Dubois, 1.5 mi E of Game and Fish Elk Winter Headquarters.
Sagebrush grasslands (Artemisia tridentata var. wyomingensis) with scattered Pinus flexilis; limestone with occasional cliffs dry sites. Phenology: flowering.
Robert S. Kirkpatrick, 2719. 6/21/1984.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 3 air mi NW of Dubois, west side of Tappan Creek in vicinity of junction with Butler Draw.
Sagebrush grasslands (Artemisia tridentata var. wyomingensis); dry sites. Phenology: flowering & fruiting.
Robert S. Kirkpatrick, 2832. 6/23/1984.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Spring Creek Road 2.3 mi E of junction with Wyo Hwy 434.
Dissected plains and slopes. No elevation listed in field book.
with Keith H. Dueholm

U.S.A., Wyoming, Washakie County: Bighorn Basin: Castle Gardens, ca 6.5 air mi SW of Ten Sleep.
Eroded shale slopes and ridges.
with Keith H. Dueholm

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

U.S.A., Wyoming, Fremont County: Absaroka Mountains: Horse Creek, ca 5 air mi N of Dubois.
Rolling sagebrush grassland and hills and river margins. Phenology: flowering.
with Robert S. and Ruth E. B. Kirkpatrick

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 & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: Burma Road, ca 5.8 air mi N of junction of U.S. 26 and Wyo Hwy 789 in Riverton.
Eroded slopes, sandstone outcrops, and drainage. Phenology: flowering.
with June Haines

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.
with June Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: Crooks Gap Road, 5 air mi SSW of Jeffrey City.
Rocky ridge and slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: Long Elk Ridge, 11 air mi SE of Togwotee Pass.
Sagebrush slopes and adjacent lodgepole and douglas fir forests.
with Neil Snow

U.S.A., Wyoming, Sweetwater County: Ca 3 mi E of Green River.
Clay-shale ridge with Sphaeromeria argentea and Atriplex.

U.S.A., Wyoming, Carbon County: Saratoga Valley: flats 1 mi S of Pass Creek and Stage Station Springs, ca 3 air mi SW of County Road 400 (Rattlesnake Road) and Wyo Hwy 130 intersection and ca 5 air mi SW of I-80 exit 235 (Walcott Junction).
Barren, sandy walls of gully, north aspect, in sagebrush flats. Phenology: flowering & fruiting.

Sagebrush draws and barren sandy grasslands with hills of gypsum. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Bighorn Basin: along Grove Creek Road, ca 2.5 air mi W of Clarks Fork Yellowstone River, ca 5 air mi SW of Belfry.
Clay slopes and ridges with sandstone outcrop, with sagebrush and saltbush.
with Emily Elliott, Brian Elliott

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

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: radio tower ridge S of I-80, ca 1.4 air mi S of Rawlins.
Barren ridge top and north facing sandstone draw with scattered shrubs. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Dana Ridge, ca 7 road mi E on Rattlesnake Pass or County Road 400 from Wyo Hwy 130; ca 9 air mi SE of Walcott Junction.
Sandstone ridge with sagebrush draws. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Near Burntfork.
Dry hills. Flowers purple. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River.
White shale bluff. Phenology: flowering.
Annotated by Craig C. Freeman on 8//2010.
with Rupert C. Barneby

U.S.A., Wyoming, Sweetwater County: 1 mi S of Green River.
Limy and rocky slope. Phenology: flowering.
Annotated by Craig C. Freeman on 8//2010.

U.S.A., Wyoming, Fremont County: 12 mi SE of Jeffrey City.
Sandy roadside. Phenology: flowering.
Annotated by Craig C. Freeman on 8//2010.
V. June Wetherell, 22. 6/8/1959.

U.S.A., Wyoming, Fremont County: Game and Fish East Fork Winter Range: road to Wiggins Fork, ca 7.5 air mi NE of Dubois.
Growing in gravelly, rocky loam on south sloping hillside (15-35%) in sagebrush and grasses to conifers and grasses. Picea is dominant conifer. Phenology: flowering.
with D. Jones

U.S.A., Wyoming, Fremont County: Ca 22 mi NW of Lander on U.S. Hwy 287, near Sage Creek.
In sagebrush. Phenology: flowering.
V. June Wetherell, 30. 6/8/1959.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Green River.
41.49° N, 109.4041° W; uncertainty .25 mi., Digital Map
No elevation given. Phenology: flowering.

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Gentle slopes, alternating sagebrush community and juniper woodlands; gravelly smooth rocks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: North Slope Uinta Mountains: ca 4 air mi S of Lonetree; just N of Utah on Hoop Lake Road.
Clay soils and steeper slopes; west aspect. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 5 air mi NW of McKinnon; ca 4.1 road mi W of the junction of Cedar Mountain Rim Road with Turtle Bluff Rim Road.
Semi-barren, windswept ridgetop. Phenology: flowering & fruiting.
with R. H. Lathrop

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: north end of Black Mountain and Pine Spring area, ca 26 air mi S of Green River.
Sagebrush slopes, cushion communities, conglomerate rim rock, wind swept mesa top, and spring area. Phenology: flowering & fruiting.
with Tom Cramer and Charmaine Refsdal

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 0.5 to 1 air mi N of Henrys Fork W of County Road 1 on lower southeast slopes of Cedar Mountain, ca 40 air mi SW of Green River; ca 11 air mi NW of Manila, Utah.
Ridgetop with scattered cushion plants and low vegetation. Phenology: flowering & fruiting.
with C. H. Refsdal

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Among sagebrush on soft clay soils with gravel and small rocks. Phenology: flowering & fruiting.
with C. H. Refsdal

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Wildcat Butte between Church Butte Road and I-80 at Sweetwater County, ca 14.8 air mi NE of Lyman; ca 49 air mi ENE of Evanston.
Sagebrush-grassland with stony knolls. Phenology: flowering & fruiting.
with C. H. Refsdal

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: small cove on east side ca 1.5 mi below Blacks Fork, ca 4 air mi NE of Buckboard Crossing; ca 17.5 air mi S of Green River.
Shaly benches and slopes, sandstone outcrops, cobblestone ridgetops, and sandy areas with scattered desert shrubs and greasewood bottom. Phenology: flowering & fruiting.
with C. H. Refsdal and Laura Welp

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: canyon N of North Chimney Rock and E of the Green River, ca 11 air mi S of Green River.
Steep slopes with areas of thin talus vegetated with areas of sagebrush, desert shrubs, or juniper. Phenology: flowering & fruiting.
with C. H. Refsdal and Laura Welp

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: west side of Flaming Gorge Reservoir between Firehole Canyon and Sage Creek Basin, ca 13 air mi S of Green River.
Sandy clay slopes with scattered rock, dominated by desert shrubs. Phenology: flowering & fruiting.
with C. H. Refsdal and Laura Welp

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.
Sandy clay slopes covered with small cobblestones, dominated by desert shrubs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: benchland between Zieglers Wash and Dry Muddy Creek ca 9 air mi WNW of Granger; ca 24.5 air mi SE of Kemmerer.
Salt desert shrub on soft clays and clay-chert ridgetops, sagebrush bottoms and sparsely vegetated slopes, some areas of gray-green shale. Phenology: flowering & fruiting.

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, 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 & fruiting.
with S. Goodrich

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Rolling semi-barren desert sagebrush hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Flat chert fields, alkaline soils, semi-barren desert. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 19 air mi SW of Green River; 12.6 mi W from Wyo Hwy 530 on gravel access road.
41.3284° N, 109.8483° W; uncertainty 1 mi., Digital Map
Badlands, chert, dry clays with sand. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 10 air mi NNW of Green River; 11.7 mi N on east side of Blue Rim Road (County Road 5).
South aspect, ridgetop and adjacent slopes, sandstone shale outcrops with clay/sandy soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 19 air mi SW of Green River; 1.1 mi W on BLM Road 4315 (Burnt Fork Road).
41.2451° N, 109.781° W; uncertainty .75 mi., Digital Map
Rolling semi-barren badlands, sandy soils with chert. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 12.2 air mi N of McKinnon; 7.3 mi W on south side of BLM Road 4315 (Burnt Fork Road). Possibly
41.2594° N, 109.8957° W; uncertainty .75 mi., Digital Map
Dry washes, sandy soils, rolling badlands, desert salt shrubs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 11 air mi SE of Lyman; 15.6 mi W on BLM Road 4315 (Burnt Fork Road).
Dry drainage bottom, clay soils with sand, Atriplex. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Rolling semi-barren sagebrush hills and ridgetops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Leavitt Creek, along the south end of Cottonwood Bench, ca 7 air mi ESE of Mountain View; ca 39.5 air mi E of Evanston.
Sand piles/mounds, highly erosive, sandy clay soils. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
West aspect, semi-barren badlands; gravelly clay soils with some sandy areas. Phenology: flowering & fruiting.

Sandy plateaus and clay bottoms, rolling hills with salt desert shrub. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: 8 air mi SE of Mountain View, Leavitt Creek.
Mat Atriplex and Arenaria hookeri. Phenology: flowering.
with N Duane Atwood

U.S.A., Wyoming, Sweetwater County: Black Mountain.
Clay knoll in open flat area with Astragalus. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Basin: BLM office at southeast edge of Lander.
T33N R99W S20
With Castilleja, Penstemon, Agropyron spicatum. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Ca 8 mi SE of Mountain View, along Wyo Hwy 414.
Conglomerate, open area with Cryptantha. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Ca 15 mi NE of Manila, Utah, along Wyo Hwy 530.
Horsebrush-Atriplex flat. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Bonneville National Forest.
High sandy banks. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Haystack Buttes, ca 1.2 mi NNE of Wyo Hwy 530.
Elev. 1930 m.
Cretaceous shales, shadscale-big sage community. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Black Buttes Mill Site, 20 mi NNE of Shoshone.
T40N R93W S22
Moist hillside. Phenology: flowering.
George F. Freytag, 67. 6/8/1948.

U.S.A., Wyoming, Fremont County: 5 mi SE of Dubois.
On banks of irrigation ditch. Phenology: flowering.
George F. Freytag, 48. 6/6/1948.

U.S.A., Wyoming, Fremont County: Beaver Hill, 32 mi SE of Lander along U.S. Hwy 287.
Dry, chalky hillside. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Buffalo Creek Exclosure.
Big sagebrush-grass. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Devils Playground.
Sandy swales with Oenothera and Astragalus. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Rawlins.
Rocky ledges and slopes. Corolla pale hortense-violet, lower lip with ca 9 thin hortense-violet lines; sterile filament with long yellow hairs. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Along road up Trapper Canyon from Shell.
On arid hillside. Pollen removed from this specimen for examination. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Lander.
T33N R99W S17
Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Ca 47 air mi SW of Pilot Butte; ca 36 air mi SW of Green River.
Associated with Penstemon humilis, Hymenoxys acaulis, Erigeron pumilis, and Astragalus spp., on coarse upland. Phenology: flowering.

, Wyoming, Sublette County: Green River Basin: adjacent to U.S. Hwy 191 across from access road to Big Sandy Opening, ca 22 road mi SSE of Pinedale.
Sandy, gypsum-like eroded roadbank. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ridge 1 mi SW of Currant Creek and ca 7.5 mi E of Buckboard Crossing.
Juniperus osteosperma community on terrace slopes on north-facing low ridge system with understory of Artemisia nova, Elymus spicatus, Poa secunda, Lupinus argenteus, and Haplopappus armerioides; soil sandy-clay with slate flakes and well-developed needle humus under the junipers Base of corolla prominently constricted. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: 5 mi N of McKinnon.
41.106° N, 109.9068° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Dry barren ridge associated with Townsendia striposa and Astragalus chamaeleuce. Moderately abundant. Phenology: flowering.

U.S.A., Wyoming, Uinta County:
Sagebrush with Cryptantha, Zigadenus. Corolla lavender. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Between Lonetree and McKinnon.
Exposed rocky hillside. Flowers purple. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Hanna.
Phenology: flowering.
Harry Hapeman, s.n.. 6/12/1920.

U.S.A., Wyoming, Carbon County: Hanna.
Dry hills. Phenology: flowering.
with Lois B. Payson

U.S.A., Wyoming, Carbon County: Fort Steele.
Phenology: flowering.

U.S.A., Wyoming, Fremont County: Game and Fish East Fork Winter Range: Alkali Creek Area, ca 5.5 air mi NE of Dubois.
Growing in loam with grasses on 5% north-facing slope. Phenology: flowering.
with D. Rizor

U.S.A., Wyoming, Carbon County: Just W of Rawlins.
Rocky slopes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: 21 mi W of Green River.
Dry flats and hillsides. Phenology: flowering.
with George M. Armstrong

U.S.A., Wyoming, Hot Springs County: 4.5 mi NW of Thermopolis.
Shallow loamy range site; with Artemisia tridentata, Koeleria, Poa sandbergii, Agropyron spicatum, Stipa comata, Gaura coccinea, Opuntia, Lewisia rediviva (bitterroot), and Leptodactylon pungens (granite gilla). Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: ca 12 air mi SE of Opal; 18.3 mi E of junction U.S. Hwy 30/Wyo Hwy 240.
Semi-barren desert slopes, shale ridgetops and slopes, some vegetated sand dunes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: lower east flank of Hickey Mountain, ca 3 air mi NNW of Lonetree.
Sagebrush flats with sandy soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 12 air mi N of McKinnon; 2.4 mi N from Cedar Rim Road on two track.
Ridgetop and west-facing slopes, sandy soils with conglomerate, cushion plants. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: west end of Fort Steele Breaks, W of the North Platte River, ca 6.5 air mi N of Sinclair; ca 10.5 air mi NE of Rawlins.
Rough breaks of sandstone/mudstone ridges with intervening draws dominated by sagebrush, hopsage, shadscale, Gardner saltbush, and spiny horsebrush. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Stinkhole Draw and ridges to the northeast, ca 16.5 air mi N of Sinclair; ca 17.5 air mi NE of Rawlins.
Flat sandy area of graminoids and sandstone outcrops. Phenology: flowering & fruiting.
with B. E. Nelson

Penstemon eriantherus var. eriantherus (1997)
Penstemon eriantherus Pursh var. eriantherus
Sagebrush-grasslands slopes with scattered areas of taller sagebrush. Phenology: flowering.

Penstemon eriantherus var. eriantherus (1996)
Penstemon eriantherus Pursh var. eriantherus
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.
1. Penstemon eriantherus Pursh var. eriantherus
Annotated by David Rosenthal.

Penstemon eriantherus var. eriantherus (1996)
Penstemon eriantherus Pursh var. eriantherus
U.S.A., Wyoming, Park County: Northern Absaroka Area: Sheep Mountain 13-14 air mi SW of Cody (center).
Lower flanks to cut in limestone and plains on northwest corner of mountain. Phenology: flowering.
1. Penstemon eriantherus Pursh var. eriantherus
Annotated by David Rosenthal.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Hogan Reservoir N and W at base and slopes of Bald Ridge.
Limestone slap and talus. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: southeast end of Rattlesnake Mountain.
Limestone outcrops and rocky slopes. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absarokas: Bald Ridge above Clarks Fork Yellowstone River, ca 23 air mi NW of Cody.
Slopes in redbeds. Phenology: flowering.
Accession: RM 857186, Barcode: USFS0038905

U.S.A., Wyoming, Park County: Northern Absarokas: at the Reef just W of Lodgepole Creek, ca 1.8 air mi SW of Crandall Ranger Station, ca 36 air mi NW of Cody.
Stony soil on a volcanic knoll. Phenology: flowering.
Accession: RM 857185, Barcode: USFS0038904

U.S.A., Wyoming, Park County: Northern Absarokas: ridge between Beem Gulch and Elk Creek, ca 3 air mi SE of Sunlight Ranger Station, ca 25.5 air mi NW of Cody.
Stony open ridge of volcanic origin. Phenology: flowering.
Accession: RM 857184, Barcode: USFS0038903

U.S.A., Wyoming, Park County: Northern Absarokas: Sunlight Basin: above Sulpher Camp, ca 2-3 air mi SE of Geers Point, ca 32 air mi WNW of Cody.
Among scattered Douglas fir on steep slope. Phenology: flowering.

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.
Stream bottom and adjacent slopes. Phenology: flowering.

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.
Sagebrush slopes leading to meadows on north facing slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Dubois Recreation Area Overlook, ca 1/4 mi NE of Windriver Road on U.S. Hwy 26.
Sparsely vegetated, sandy soil with sagebrush on slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Dubois Recreation Area Overlook, ca 1/4 mi NE of Windriver Road on U.S. Hwy 26.
Sparsely vegetated, sandy soil with sagebrush on slopes. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: southeast end of Chalk Mountain, ca 33.5 air mi NNE of Medicine Bow; ca 36.5 air mi SSW of Casper.
Forb-grassland on top of the mesa. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: drainage and slopes accross highway from Tie Hack Memorial, ca 19 mi W of Dubois on U.S. Hwy 26/287.
Sagebrush shrubland with occasional wet areas in drainage. Phenology: flowering.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Sagebrush shrubland up to montane meadows with Astragalus and Oxytropis. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: ca 2.3 mi S of Wolf Creek Trailhead on Forest Road at gate and road intersection; up trail, then N on ridge to "Picketts" Peak BM 9544, ca 18 air mi NW of Dubois.
Pine/spruce forest with rocky and bare soil on ridge outcrops. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Shoshone National Forest: junction of Whiskey Mountain and Ross Lake trails, ca 7 air mi S of Dubois.
Rocky ridges and slopes and alpine meadows; calcareous. Phenology: flowering.
with Cathy Binger

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Shoshone National Forest: southeast flank of Whiskey Mountain.
Open slopes interspersed with pine/spruce forest, with Salix and Populus in drainages. Phenology: flowering.
with Cathy Binger

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 slope from creek to ridge.
Spruce/fir forest to rocky loose slopes and ridges with volcanic substrate. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: along trail and slopes of Sweetwater Creek from bridge at Wapiti Campground, ca 30 air mi W of Cody on U.S. Hwy 14, 16, & 20, up trail towards springs.
Volcanic rock slopes with riparian woodland along creek. Phenology: flowering.
with Cathy Binger

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.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: pack trail up main drainage W of Signal Peak (across river from Laughing Pig Rock), ca 5 air mi E of town of Wapiti on U.S. Hwy 14, 16, & 20.
Pine and spruce forest with occasional meadows, rock outcrops, and ridges; substrate volcanic. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: plains and slopes just W of Moss Creek on U.S. Hwy 14, 16, & 20, ca 14 air mi due W of Wapiti.
Sagebrush shrubland. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: along Blackwater Creek leading to main drainage on west side Clayton Mountain.
Mixed conifer forest, slopes, and rocky ridges; substrate volcanic. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: footslope of unnamed peaks on north side of entrance to Sunlight Basin, ca 24 air mi NE of Cody.
Sagebrush, grassland, and sandstone. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: N of Keyton Creek off Keyton Creek or Forest Road 937, ca 47 air mi WSW of Newcastle; ca 23 air mi NNE of Bill.
Clay areas above the gullies. Phenology: flowering.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

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.
Clay slopes and knolls. Phenology: flowering.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: on the divide between Buzzard and Little Mike creeks, ca 2.5-3 air mi N of Wyo Hwy 450, ca 35 air mi SW of Upton.
Clay slopes with stony outcrops, scattered sagebrush, and grassy draws. Phenology: flowering.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on the divide between Lake and Meadow creeks and to the W, ca 14 air mi NE of Bill; ca 46 air mi NNE of Douglas.
Clay slopes with scattered sagebrush, greasewood, and grassy areas. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: west side of Cow Creek Buttes on an east branch of Coal Draw, ca 14 air mi E of Bill; ca 41 air mi NNE of Douglas.
Clay slopes with rock outcrops. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on the divide between Cow Creek and head of Deer Creek W of Cow Creek Buttes, ca 12 air mi ENE of Bill; ca 40 air mi NNE of Douglas.
Clay slopes with scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: between Buffalo Creek Road and Alkali Draw along a tributary, ca 3 air mi NNW of Goose Butte, ca 8.5 air mi W of Upton.
Sagebrush-grasslands or grassy slopes. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Pine Ridge, ca 1 air mi W of Wyo Hwy 116, ca 4.5 air mi N of Upton.
Clay sagebrush slope with scattered ponderosa pine and Rocky Mountain juniper. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along Forest Road 913 E of Pump Creek, ca 6 air mi ENE of Upton.
Sandstone pavement with patches of vegetation. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Sixmile Basin off Forest Road 918, ca 8.5 air mi SSE of Osage; ca 9 air mi W of Newcastle.
Sagebrush-grassland slope. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Red Hills ca 0.5-1 air mi WSW of Dugout Bench Mark, ca 46.5 air mi N of Douglas; ca 13 air mi N of Bill.
Badlands in broad draw below scoria slopes. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on Jenney Trail Road above and N of Lonetree Creek, ca 15 air mi NW of Bill; ca 25 air mi S of Wright.
Grassland and sagebrush/grassland. Phenology: flowering & fruiting.
Peter J. Ebertowski, 110. 6/16/2002.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ca 1 mi SW of York or Forest Road 900; ca 11 air mi E of Soda Well; ca 28 air mi NE of Gillette.
Clay and coal breaks with grassy draws. Phenology: flowering.
Peter J. Ebertowski, 216. 6/18/2002.

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 & fruiting.
Peter J. Ebertowski, 24. 6/16/2002.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Cow Camp on Buck Creek, off of Forest Road 926, ca 25 air mi E of Wright; ca 41 air mi WSW of Newcastle.
Broken sandstone pavement. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: clay balds, on two track W of Keeline or Forest Road 930, ca 20.5 air mi ESE of Wright; ca 45 air mi SSE of Gillette.
Wash in sagebrush. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountain Ranch Road, ca 2-2.5 air mi NNE to NE of Lamont.
Sagebrush flats and rocky ridge. Phenology: flowering.
with Amy J. Roderick

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: badlands ca 1 mi NW of Soda Well, on Forest Road 1247B, ca 31 air mi NNE of Gillette; ca 34 air mi NNW of Moorcroft.
Sagebrush grassland with clayey bare patches and ravines with ponderosa pine and Rocky Mountain juniper. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: badlands SW of Antelope Creek, on two-track road, ca 34 air mi NNE of Gillette; ca 37 air mi NNW of Moorcroft.
Mosaic of sagebrush grassland, grassland and clay balds. Phenology: flowering.

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

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.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge S and E of Patrick Creek and Thornton on County Road 32, ca 7 air mi NW of Upton; ca 13 air mi SE of Moorcroft.
Sagebrush grassland with rocky clay patches. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills S of Dry Creek on T-7 Road, ca 24 air mi SE of Gillette; ca 19 air mi NE of Wright.
Sagebrush grassland with barer areas of rocky soil. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: slopes surrounding Iron benchmark, on Butcher or County Road 25, ca 8 air mi SE of Upton; ca 5.5 air mi WNW of Osage.
Sagebrush grassland with scattered greasewood. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: right of way on Heald or County Road 49, ca 32 air mi NNE of Gillette; ca 32 air mi NNW of Moorcroft.
Roadside in sagebrush grassland. Phenology: flowering.

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: 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 with Artemisia tridentata and A. pedatifida. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: sagebrush grassland immediately SE of Little Powder River, off Wyo Hwy 59, ca 18 air mi N of Gillette; ca 30 air mi NW of Moorcroft.
Sagebrush grassland on rocky soil. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: tributary of Spoon Creek, on County Road 49, ca 6 air mi SW of Osage; ca 14 air mi SSE of Upton.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge and ravines SE of and draining to Horse Creek, on two-track off Cheyenne River or County Road 54, ca 33 air mi SE of Wright; ca 37 air mi SW of Newcastle.
Grassland, Stipa comata and Carex filifolia abundant. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: low area just above and between Lonetree and Beaver creeks, on Upton - Fairview or County Road 59, ca 3.5 air mi S of Upton; ca 25 air mi NW of Newcastle.
Roadside, along sagebrush grassland with scattered greasewood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge immediately NE of Beaver Creek, on Upton - Fairview or County Road 59, ca 3 air mi S of Upton; ca 25 air mi NW of Newcastle.
Sagebrush grassland with rocky clay patches. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Thunder Basin National Grassland and Vicinity: hills E of West Fork Wind Creek, off U.S. Hwy 16, ca 10 air mi SE of Moorcroft; ca 10 air mi NW of Upton.
Grassland with scattered sagebrush and greasewood. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: southern edge of Buck Creek Hills, on Meridian or County Road 17, ca 24 air mi N of Lusk; ca 13 air mi ENE of Lance Creek.
Sandy slopes with rock outcrops. Phenology: flowering & 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 & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Belle Fourche River off Hilight or County Road 52, ca 16 air mi N of Wright; ca 22 air mi S of Gillette.
Steep slope above riverbank, scattered sagebrush and bare soil. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: washes W of and draining to Bobcat Creek, on Forest Road 958, ca 10 air mi E of Bill; ca 37 air mi NNE of Douglas.
Sagebrush grassland with scattered greasewood. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: ca 15 air mi SE of junction of Wyo Hwy 487 and Wyo Hwy 220; ca 2 air mi SE of Twin Buttes.
Calcareous cap and upper slopes, sandy below. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along Fenton Pass Road (BLM Road 1222), ca 5 mi S of the Greybull River, ca 10 mi SW of Burlington.
Sagebrush-saltbush-grassland with Artemisia pedatifida, Atriplex gardneri, Stipa comata, Artemisia tridentata var. wyomingensis, and Bouteloua gracilis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge E of North Fork Shoshone River, ca 1/4-1/2 mi E and N of Pahaska.
Mostly open habitats with scattered Douglas fir.
Accession: 624250, Barcode: RM0067032

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge E of Sweetwater Creek, ca 4-5 mi N of U.S. Hwy 14, 16, & 20.
Open, rocky, barren ridge with numerous pinnacles.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: many pinnacled ridge E of Clearwater Creek, ca 3-4 mi N of U.S. Hwy 14, 16, & 20.
Open, rocky areas with scattered Douglas fir and limber pine.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: north-south ridge between Big Creek and Grizzly Creek, ca 3-4 mi N of U.S. Hwy 14, 16, & 20.
Meadow openings in Douglas fir forest dominated by Festuca idahoensis and Astragalus miser var. decumbens.

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.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge, 0.5 mi NW of Signal Peak, ca 1 mi N of U.S. Hwy 14, 16, & 20.
Open, rocky areas with Artemisia, Haplopappus, and Koeleria.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: Shoshone National Forest: north-south trending ridge ca 1/4 mi E of Eagle Creek and ca 1 mi S of U.S. Hwy 14, 16, & 20.
Sparsely vegetated, open, rocky ridge-top. Phenology: flowering & fruiting.

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]
In rocky, open sagebrush-grassland community. 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: northeast-southwest trending ridge ca 1/4 mi E of Grinnell Creek and ca 1/8 -3/4 mi N of U.S. Hwy 14, 16, & 20.
Convex ridge top and ridge sides composed of grassland/shrubland with Festuca idahoensis, Koelaria macrantha, Elymus spicatus and Artemisia tridentata var. vaseyana. 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 & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: South Fork Shoshone River Drainage: just S of Coe Lodge ca 20 mi SW of Cody.
On open bank with sagebrush. Phenology: flowering.

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

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.

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

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge just E of Mormon Creek, ca 0.5-1.0 mi N of U.S. Hwy 14, 16, & 20.
Open, rocky ridge-top with a few scattered limber pine and Douglas fir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: northwest end of Table Mountain, ca 3 mi S of U.S. Hwy 14, 16, & 20.
Rocky, windswept escarpment, sparsely vegetated with cushion plants which included: Trifolium dasyphyllum, Haplopappus acaulis, and Arenaria hookeri. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge ca 1/4-1/2 mi S of Robbers Roost Creek and ca 10 mi N of U.S. Hwy 14, 16, & 20.
Extensive, mesic meadows on north facing slopes, dominant species included: Festuca altaica, Avenochloa hookeri, Festuca idahoensis, and Geum triflorum. Phenology: flowering.

Sagebrush-grassland dominated by Carex filifolia, Bouteloua gracilis, and Artemisia tridentata var. wyomingensis.

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.

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.

U.S.A., Montana, Carbon County: Pryor Mountains: along Crooked Creek Road, ca 16 mi N of Lovell, Wyoming.
Pygmy woodland of Juniperus scopulorum (1-3 ft. tall) with Artemisia nova, Penstemon laricifolius, and Castilleja angustifolia.

U.S.A., Montana, Carbon County: Beartooth Mountains: east flank of Beartooth Range: along east side of Meeteetse Trail Road, ca 5 mi S of Red Lodge.
Pinus flexilis woodland with some Douglas fir on limestone derived substrates with Poa cusickii, Eritrichium howardii and Hymenoxys acaulis.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/8-1/4 mi N of County Road 3LE and the Greybull River; ca 5 mi NE of Wyo Hwy 120.
Gully bottom and sides in sagebrush-grassland with Elymus cinereus, Psoralea lanceolata, Rhus trilobata, Allium textile and Symphoricarpos oreophilus.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: above and W of Stillwater River in Stillwater Canyon, ca 34 mi S of Big Timber, ca 1 mi SW of Woodbine Campground.
Openings in lodgepole pine forest along trail with Eriogonum flavum var. flavum and Penstemon eriantherus.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: ca 1 1/2 mi N of Chrome Lake near the head of Nye Creek, ca 5 mi S of Nye.
Openings in whitebark pine woodland on calcareous substrates with Carex rupestris and Aquilegia jonesii. Phenology: flowering & fruiting.
Accession: RM 779959

U.S.A., Montana, Stillwater County: [location and coordinates withheld]
Grassland on south side of creek with Cerastium arvense, Festuca idahoensis, and Castilleja sessiliflora.

U.S.A., Montana, Sweet Grass County: [location and coordinates withheld]
Open north-facing slope above creek at edge of ponderosa pine-Douglas fir forest with Festuca idahoensis, Cerastium arvense, Claytonia lanceolata, and Myosotis alpestris.

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.

U.S.A., Montana, Sweet Grass County: [location and coordinates withheld]
Sagebrush-grassland with scattered Douglas fir and ponderosa pine.

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: along dirt road at top of West Boulder Divide in foothills, ca 14 mi SE of Livingston.
Grass-forb land with Oxytropis sericea, Townsendia parryi, Cerastium arvense, and Penstemon eriantherus.

U.S.A., Montana, Park County: [location and coordinates withheld]
Grassland with Zigadenus venenosus, Carex stenophylla, Balsamorhiza incana, and Cerastium arvense.

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.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: ridge ca 0.5 mi NW of the confluence of Roach Creek and Grass Creek, in foothills ca 24 mi SSW of Meeteetse.
Limber pine woodland and openings with Lupinus polyphyllus var. humicola, Cymopterus terebinthinus, Juniperus horizontalis, and Leucopoa kingii.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: ridge ca 1/4 mi N of Gooseberry Creek, in foothills ca 12 mi S of Meeteetse.
Rocky sagebrush-grassland with a few scattered limber pine and juniper, and with Psoralea lanceolata, Bouteloua gracilis, Astragalus spatulatus, and Heterotheca villosa.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: ridge just N of Meyers Creek, in foothills ca 10 mi NW of Nye.
Sagebrush-grassland with scattered Douglas fir and ponderosa pine, with Astragalus flexuosus, Stipa comata, and Arenaria congesta.

U.S.A., Montana, Carbon County: Shupak Pond, ca 6 mi NNW of Belfry.
Disturbed sagebrush-grassland S of pond with Erigeron pumilus, Alyssum desertorum, Lappula redowskii, and Bromus tectorum. Phenology: flowering.
Annotated by Craig C. Freeman in 2009.
Accession: RM 780376

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Sagebrush-grassland on north facing slope with scattered limber pine and juniper. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along east side of Murphy Draw Road, ca 3/4 mi N of Wyo Hwy 431.
Saltbush-grassland with Atriplex gardneri, Atriplex confertifolia, Musineon divaricatum, and Vicia americana. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along northeast side of Murphy Draw Road, ca 4 mi N of Wyo Hwy 431.
Disturbed saltbush-grassland with Atriplex gardneri, Thlaspi arvense, Bromus tectorum, and Allium textile. Phenology: flowering.

U.S.A., Montana, Park County: Paradise Valley: along north side of Conlin Road, ca 3.5 mi S of Emigrant.
Grassland with Gutierrezia sarothrae, Koeleria macrantha, Stipa comata, and Musineon divaricatum. Phenology: flowering.

Saltbush-forbland with Atriplex gardneri, Allium textile, Lomatium foeniculaceum, Penstemon eriantherus, and Artemisia pedatifida. Phenology: flowering & fruiting.

Saltbush steppe with Atriplex gardneri, Atriplex confertifolia, Phlox muscoides, and Carex filifolia. Phenology: flowering.

Saltbush steppe with Atriplex gardneri, Lomatium foeniculaceum, Allium textile, and Poa secunda. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: Fuller Gulch ca 0.5 mi SE of East Boulder Campground, 20 mi S of Big Timber.
Meadow with Phleum pratense, Trifolium repens, Pedicularis bracteosa, and Lithophragma parviflorum. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Ridge 2.5 mi SW of Fromberg and 3/4 mi W of U.S. Highway 310.
Sagebrush-grassland with Atriplex confertifolia, Sarcobatus vermiculatus, and Carex filifolia. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Ridge 1 mi W of Belfry and 1/4 mi N of Mont Hwy 308.
Sagebrush-grassland with Atriplex confertifolia, Agropyron spicatum, and Astragalus missouriensis. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Along East Gallatin River just N of the Burlington Northern tracks, 3 mi E of Bozeman.
Disturbed railroad right-of-way and cutbanks. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Gallatin Range foothills: along the south side of Rocky Creek and the Burlington Northern tracks, 5 mi SE of Bozeman.
Douglas-fir forest on north facing slope with Arnica cordifolia, Acer glabrum, and Mertensia oblongifolia. Phenology: flowering & fruiting.

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, Park County: Absaroka Mountains: Gallatin National Forest: along Gold Prize Creek, 0-1/3 mi E of confluence with Sixmile Creek, 8 mi S of Emigrant.
Grassland/forbland with Festuca idahoensis, Bromus tectorum, and Phacelia linearis on south facing slope north of creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ridge ca 1/3 mi N of the Middle Fork Owl Creek, ca 6 mi WNW of Anchor Reservoir; 40 mi WNW of Thermopolis.
Grassland with some Artemisia tridentata var. vaseyana, and with Koeleria macrantha and Carex filifolia as dominants. Phenology: flowering.

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.

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

U.S.A., Wyoming, Fremont County: Bridger Mountains: south side of Birdseye Mountain, 1.5 mi SW of Birdseye Pass; 14 mi N of Shoshoni.
Sagebrush-grassland with scattered juniper, Carex filifolia, Koeleria macrantha, and Lomatium orientale. Phenology: flowering & fruiting.
Accession: RM 820370, Barcode: rm0023888

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

Anticlinal ridge with bands of sandstones, shales, mudstones, and clay, sandy clay, or sandy soils. Phenology: flowering & fruiting.
Annotated by Laura Welp.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: north end of Shamrock Hills just above Separation Flats, ca 19.5 air mi SSE of Bairoil; ca 16.5 air mi NNW of Rawlins.
Level areas and gentle slopes with alternating bands of sandstone and clay, sandy clay, or sandy soils and mostly cushion or low growing plants. Phenology: flowering.
Annotated by Laura Welp.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: W of U.S. Hwy 287 ca 1.5 air mi NW of Ninemile Hill on the Continental Divide, ca 10 air mi NNW of Rawlins.
Stony sagebrush-grassland with Artemisia nova. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: south end of Separation Rim, ca 17 air mi S of Bairoil; ca 19 air mi N of Rawlins.
East facing sagebrush slope with fine sandy soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: flat near Separation Creek, ca 7 air mi E of Separation Point; ca 16 air mi S of Ferris.
Low basin with grasses, scattered sagebrush, and greasewood; sandy soil with clay in lower areas. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Fort Laramie National Historic Site.
Sandy bank in sandstone outcrop with Yucca, Rhus. Common; flowers lavender. 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.
Meadows with scattered Potentilla fruticosa; dry areas.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: along South Branch Blacktail Creek, ca 10.5 mi ESE of Oelrichs.
Grassy slopes. Phenology: flowering & fruiting.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: Carlsen Butte, ca 8.5-9 air mi N of Crawford.
Grasslands with some badlands on the slopes and draws. Phenology: flowering & fruiting.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: S of Sugarloaf or Forest Road 900, just E and NE of Strawstack Butte, ca 16.5 air mi NNE of Crawford.
Mosiac of grassland, badlands, rocky slopes of clay, and drainage bottoms. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: near the head of Mule Creek, ca 5.5 air mi E of Ardmore; ca 19 air mi SW of Oelrichs.
Stony clay grassland slopes. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 4-5 air mi SSE of Scenic on Forest Road 7172 on Big Hollow Creek.
On sideslopes of creek and grassy upslopes near creek. Phenology: flowering.

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

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 19 air mi SE of Hermosa.
Butte tops and slopes of sand and gravel soil. Phenology: fruiting.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 19 air mi N of Crawford and 1.5 mi W of NE Hwy 71 and NE Hwy 2.
In silt soils and rock beds. Phenology: fruiting.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 9 air mi NNE of Crawford and 1 mi E of NE Hwy 71 and NE Hwy 2 on Carlson Peak.
On peak and adjacent side slopes of clay soils. Phenology: fruiting.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 11 air mi NW of Crawford and 0.5 mi W of Hudson-Meng Bonebed Trail, near Whitehead Creek.
In drainage and slopes leading to creek in heavy white clay soil. Phenology: flowering & fruiting.

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

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 8-8.5 air mi NW of Edgemont and 3 mi W of County Road 9.
On mesa tops and slopes; sand and rock soil. Phenology: flowering & fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 15 air mi SSW of Edgemont off Forest Road 7012.
On grassy upland and plant diverse areas of moisture collection, ridge "edge" slumps. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 16.5-17 air mi SW of Edgemontand 0.5 mi N of Forest Road 7078.
On rock outcrop of grass upland. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 27.5-28 air mi NW of Crawford.
On ridge of rockand sand. Phenology: fruiting.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 20.5-21 air mi NNW of Crawford.
Ridge of sand with plant diverse areas of moisture holding ridge "edge" slumps. Phenology: fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 11 air mi SSE of Hot Springs and 5 mi W of Smithwick on County Road 1.
In sand soil of roadside and roadside ditch. Phenology: fruiting.

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

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 17 air mi SSE of Hermosa.
On ridge of rock and slopes and upland of clay soil. Phenology: fruiting.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: Toadstool Geologic Park, ca 15 air mi NW of Crawford.
Heavily eroded badland landscape; soil is sand and clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 13 air mi NE of Hermosa and 4-4.5 mi W of County Road 121.
Clay water catchment site. Phenology: flowering & fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 16.5 air mi ENE of Hermosa and 0.5 mi W of County Road 121.
On butte and butte slopes of clay and gravel soil. Phenology: flowering & fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 18.5 air mi ENE of Hermosa and 1.5 mi E of County Road 121.
On typical clay badland soils. Phenology: flowering & fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 17 air mi ENE of Hermosa and 1.5 mi E of County Road 121.
On steep Juniperus scopulorum rock slopes. Phenology: fruiting.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 18.5-19 air mi NNW of Crawford and just S of Forest Road 909.
In Juniper horizontalis draw of rock, gravel and sand. Phenology: fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 10 air mi WNW of Edgemont.
In sand and gravel soils of roadside. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 15 air mi NE of Smithwick.
Upland slope of gravel in a Bouteloua gracilis xeric plant community; soils are rocky and gravelly. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: butte N of County Road 9, 5.5 - 6 mi NNW of Edgemont.
Butte top. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 23 air mi SW of Edgemont.
Up butte and across ridge, gravelly soil. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 9 - 9.5 air mi WSW of Edgemont and 1.5 mi W of County Road 8.
Draw sides and slopes. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 12 air mi WSW of Edgemont on ridge down to dam.
Shale bank draw. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 21-22 air mi NNW of Crawford and 1-2 mi E of Hat Creek Road on Forest Road 925.
In prairie dog town with soil ranging from sand, silt to clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 13-13.5 air mi due S of Wall and adjacent to Shannon County and Pine Ridge Indian Reservation boundary fence.
Deep white clay soil of floodplain. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: Indian Creek Wilderness Area: ca 6.5 air mi WSW of Scenic.
On slopes scattered with Juniperus scopulorum in a Nasellus viridula plant community of silty clay soils. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6 air mi SSE of Scenic and due E of County Road C589.
In deep drainage of heavy white clay soil and near uplands of Hesperastipa comata grass plant community. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 9 air mi SE of Ardmore, South Dakota and 3.5 air mi due S of South Dakota.
In Nassellus viridula plant community on gentle rolling uplands of silt soils. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 12 air mi ESE of Ardmore, South Dakota and 1/2 mi due S of South Dakota.
In Nassellus viridula plant community on gentle rolling uplands of silt soil. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 9 air mi SE of Ardmore, South Dakota and ca 1-1.5 air mi due S of South Dakota.
In Nassellus viridula plant community on gentle rolling uplands of silt soil. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 18 air mi SE of Ardmore, South Dakota and at southeast corner of junction of Neb Hwy 71 and Forest Road 909.
In rolling prairie uplands of silt soil. Phenology: flowering.

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

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 12-12.5 air mi SE of Ardmore, South Dakota.
In rock bed with silt and clay soils. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 19 air mi SSW of Wall In Conata Basin.
In a prairie dog town having deep heavy, white clay soils with a sand component. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 19-19.5 air mi SSW of Wall.
In prairie dog town having deep heavy white clay soils. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 7.5 air mi SE of Farmingdale.
Rock ledges of bluffs, north aspect, overlooking deep drainage; soils are rock, gravel, and silt eroding into clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 8.5 air mi SE of Farmingdale.
Rocky ledges of bluffs overlooking a deep drainage, north aspect; soils are rock, gravel and silt eroding into clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 2.5 air mi NE of Scenic.
On ridge top edges, soil is gravel underlain with clay. Phenology: fruiting.

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.
Annotated by Rachel Newton.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Plumbago Creek, ca 25 air mi N of Laramie.
Steep rocky uplands. 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 & fruiting.

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, Johnson County: Wetlands and Adjacent Areas: Meadow Creek, ca 0.5 mi S of Linch; ca 24 air mi ESE of Kaycee.
Heavily grazed hillside with scattered Artemisia. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: Camel Hump Reservoir, ca 16 mi WSW of Midwest.
Along dry, disturbed uplands. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: creek-fed lake, ca 19 air mi SW of Midwest.
Dry hillsides. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Red Fork Powder River, ca 9 air mi W of Kaycee.
Rocky, shrubby hillside. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Campbell County: Wetlands and Adjacent Areas: LZ Bar Creek, ca 16 air mi NE of Arvada; 54 air mi due E of Sheridan.
Dry Artemisia scrub uplands. Phenology: flowering.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Little Missouri River, ca 22 air mi N of Devils Tower, ca 43 air mi N of Moorcroft.
Dry slopes and uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Near Four Corners.
44.0775° N, 104.1375° W; NAD 83, uncertainty 0.5 mi., Digital Map
On red sandy hills. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Along Hwy 16 ca 10 mi W of Buffalo on eastern slope of Big Horn Mountains.
Cut banks. Phenology: flowering.

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: slopes and terraces N of North Fork Owl Creek, ca 7 air mi N of Anchor Reservoir; ca 37 air mi WNW of Thermopolis.
South-facing terraces and slopes along creek.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along north side of U.S. Hwy 14, 16, & 20 and ca 0.5 mi W of Aspen Creek.
Open sagebrush/juniper community with Artemisia tridentata ssp. vaseyana, Juniperus scopulorum, Collinsia parviflora, et al.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: canyon bottom ca 0.5 mi W of Aspen Creek and ca 0.5 mi N of U.S. Hwy 14, 16, & 20.
In open, park-like forest of Juniperus scopulorum, Pseudotsuga menziesii var. glauca with some large Pinus flexilis.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: north-south trending ridge, immediately E of Clearwater Creek, ca 1/8 mi N of U.S. Hwy 14, 16, & 20.
Along trail near old gravel pit in disturbed sagebrush/grassland/forb community.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: north-south trending ridge immediately E of June Creek, ca 1/4 mi S of North Fork Shoshone River.
Dry, open, rocky northwest facing slope in open Douglas fir forest with sparse groundlayer vegetation.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along west side of Elk Fork Creek, ca 3/4 mi S of U.S. Hwy 14, 16, & 20.
Open, rocky habitat dominated by Artemisia nova and Artemisia tridentata ssp. vaseyana with a few scattered Juniperus scopulorum and Pseudotsuga menziesii var. glauca.

U.S.A., Wyoming, Park County: Bighorn Basin: along the south side of Buffalo Bill Reservoir, ca 10 mi SW of Cody.
Ridge above reservoir with Allium textile, Arenaria hookeri and Artemisia nova.

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.

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.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge W of Elk Fork Creek, ca 2-3 mi S of U.S. Hwy 14, 16, & 20.
44.4409° N, 109.684° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Open, rocky ridgetop with scattered Douglas fir and limber pine.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along the south side of the North Fork Shoshone River, ca 1 3/4 mi W of Elk Fork Creek and ca 1/8 mi N of U.S. Hwy 14, 16, & 20.
Sagebrush/grassland community.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: southwest end of Rattlesnake Mountain, ca 6 mi W of Cody.
Open Douglas fir-limber pine forest/meadow parkland on limestone substrates.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge/divide between Moss Creek and Clearwater Creek, ca 1.5-2.5 mi N of U.S. Hwy 14, 16, & 20.
Open Douglas fir forest and dry, rocky openings.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge between Sweetwater and Horse creeks, ca 1/4-1 mi N of the North Fork Shoshone River.
Open Douglas fir-limber pine parkland.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Owl Creek Mountains: South Fork Owl Creek, norrth rim of canyon below Anchor Dam, ca 30 air mi W of Thermopolis.
Sparsely vegetated coarse rocky soil above cliffs near crest, with Artemisia tridentata. Phenology: flowering.

U.S.A., Wyoming, Platte County: Camp Guernsey: Baldy Mountain, ca 3.8 km E of North Platte River. To 509200 4696000.
Elev. 1613 m.
Scattered in pine/juniper woodland and upland Artemisia shrubland on rocky slopes and ridgetops of limestone cobbles to sandy loam with sandstone cobbles with Artemisia nova, Hymenoxys acaulis, Juniperus scopulorum, Pinus ponderosa, and Poa spp. Phenology: flowering.
Patricia P. Douglas, 208. 6/14/1995.
with B. E. Nelson, C. A. Popolizio, R. M. Smith

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Grey Reef Reservoir access road off of Wyo Hwy 220 along North Platte River, ca 26 air mi SW of Casper.
Sandy slope arising out of greasewood flats adjacent to river; disturbed. Phenology: flowering.

U.S.A., Wyoming, Converse County: Ca 11 mi WNW of Douglas.
Sagebrush with Castilleja and Allium. Corolla lavender. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Range: crest and west slope of north/south trending ridge along divide between the West Fork of Blackwater Creek and Sheep Creek, ca 4 air mi S of U.S. Hwy 14/16/20; ca 2.5 mi N of cirque at head of West Fork Blackwater Creek.
Brownish andesite volcanic clay with surface layer of small stones and gravel on west-facing ridge and crest in cushion plant-bunchgrass community with vegetative cover 40-60%. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: North Platte River Valley: west rim of Sheep Rock, 0.5-1.5 mi S of the Pick Bridge Road, 3/4-1 1/4 mi N of the North Platte River; ca 4 air mi N of Saratoga.
Ashy clay barrens on steep midslopes in openings among Cercocarpus montanus thickets; soil with white limey sandstone gravel; vegetative cover 5-15% with scattered Elymus spicatus, Arenaria hookeri, Cryptantha sericea, Penstemon laricifolius, and P. eria Phenology: flowering.

U.S.A., Wyoming, Albany County: West foothills Laramie Range: south branch of Spring Creek on north side of U.S. Hwy 30 at east end of Laramie.
Semi-weedy bottom and slopes of dry wash on red sandy-clay soil; vegetative cover 25-40%; with scattered Linum, Artemisia ludoviciana, Eriogonum microthecum, E. flavum, Bromus inermis, and Poa pratensis. Phenology: flowering.

Penstemon eriantherus var. eriantherus ()
U.S.A., South Dakota, Melette County: White River.
Phenology: fruiting.
Annotated by Craig C. Freeman in 1981.
E. C. Stearns, s.n.. //.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grasslands: Bloom Basin; 5 mi SE, 3.2 mi S
Steer pasture allotment; sandy soil along drainage; Agsm, Bogr, and Stvi association. Elev closer to 2650 f (+/-) (USGS 7.5') G. Bryson Phenology: flowering.
Garrett Severson, 218. 6/18/1970.

U.S.A., South Dakota, Custer County: Jewel Cave National Monument: ridgetop S of U.S. Highway 16, along well line.
T4S R2E S1
Limestone outcrop (roadcut) in ponderosa pine forest. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: along Palmer Canyon or County Road 721, ca 10.7 air mi S of Garrett; ca 24.6 air mi NE of Rock River.
Northwest facing red sandy slope with a limestone ridge, grasses and scattered limber pine common. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: south end of George Creek and vicinity, ca 4 air mi SE of Garrett.
Sandy and gravelly areas in sagebrush grasslands with granite outcrops. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: northeast facing foothills of Fort Steele Breaks, ca 2.7 air mi N of Sinclair.
Granite banded slopes of scattered shrubs leading into sagebrush draw. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Plumbago Canyon, ca 10.2 road mi NE of U.S. Hwys 30/287 on Wyo Hwy 34; ca 22.4 road mi NE of Laramie.
Creekside. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Colorado, Montezuma County: Ute Reservation, 5 mi SW of Towaoc Sub. Agency, Towaoc.
Accession: USFS 498273

U.S.A., Colorado, No county County: Central Colorado.
1.
Annotated by Aven Nelson in 1981.
Earl L. Johnston, 457. //1907.

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

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: bluff abutting dirt road leading to Sunshine Beach in Seminoe State Park, ca 2.4 air mi S of Seminoe Dam; ca 25.5 air mi NE of Sinclair.
Calcareous and sandy substrate of bluff dominated by mountain mahogany and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Laramie Range: ca 1 air mi N of Wyo Hwy 210 on Brush Creek; ca 3.5 mi N of Crystal Lake Reservoir; ca 18 air mi NE of Laramie.
Granite outcrops and draw along creek. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: ca 11 road mi N on Fetterman Road (County Road 161); ca 51.5 air mi NNW of Laramie.
Shale outcrops. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Boulder Ridge, ca 14 air mi S of Laramie.
Red beds with Cercocarpus grassland. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Laramie Range: rim above the heads of Big Red and Clear Fork Muddy creeks S of Casper Mountain and W of Muddy Mountain, ca 11 air mi S of Casper.
Forb-grassland back of the rim. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Bates Hole E of Wyo Hwy 487, ca 3 air mi NNW of junction with Wyo Hwy 77 and 487.
Sandy draw lined with Cercocarpus, Amelanchier, Purshia, and Symphoricarpos. Phenology: flowering.

Shaly benches and sandy hills with sparsely scattered ponderosa pine and greasewood bottom. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Laramie Range: County Road 403, ca 0.2 to 1.2 air mi W of Twin Buttes.
Mudstone ridge towards buttes. Phenology: flowering.
with Amy J. Roderick and Cherie Winner

U.S.A., Wyoming, Albany County: Laramie Range: Wyo Hwy 34, ca 0.5-1.5 air mi NW of Plumbago Canyon turnoff.
Sandy areas and sandstone with limestone at higher elevation. Phenology: flowering.
with Timothy W. Chumley

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Sagebrush-grasslands and limestone outcrops on ridge. Phenology: flowering.
with Timothy W. Chumley

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

U.S.A., Wyoming, Albany County: Laramie Range: ca 4.5 air mi N of north end of Wheatland Reservoir No. 2.
Granitic outcrops and derivative soil. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Flat Top, ca 4 air mi WNW of Morton Pass.
Sandstone and shale on flank but mostly granitic boulder alluvial deposits. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: extreme west end of Bluegrass Ridge, ca 11 air mi N of Morton Pass.
Granite interfacing with limestone; limestone. Phenology: flowering.

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

U.S.A., Wyoming, Converse County: Laramie Range: along Ghost Creek, ca 5 mi NW of Esterbrook; ca 28 road mi from Douglas.
West facing slope. Phenology: flowering.
Annotated by B. E. Nelson.
with T. McGowan

U.S.A., Wyoming, Converse County: Laramie Range: Freds Draw, ca 4.5 air mi NW of Esterbrook.
South facing slope. Phenology: fruiting.
Annotated by B. E. Nelson.
with T. McGowan

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Little Round Top Mountain: Middle Fork Mill Creek, ca 9 road mi NE of Colville on Aladdin Route.
Cedar at creekside; mixed Douglas fir forest, and aspen groves on lower slopes; Douglas fir, ponderosa pine and larch with pinegrass and ninebark on upper slopes; rock outcrops of shale/slate. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: buttes bordering north edge of the town of Rawlins, ca 1 air mi E of Rawlins Peak.
Barren north facing sandstone slope. Phenology: flowering.

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Cliff Ridge on the southern boundary of the Little Pend Oreille Wildlife Refuge.
Ridge of bunchgrass steppe surrounded by mixed forest and interspersed with Douglas fir. Exotics invading, but small areas still primarily native vegetation. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: ca 4.9 air mi N of Oregon Trail or County Road 319, ca 13.7 air mi NW of Alcova townsite.
North-facing gravelly slope of sagebrush, snowberry, and grasses. 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.
Among sagebrush on slopes.

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: White Pass and vicinity, ca 6 air mi S of Ramshorn Peak, ca 9 air mi NW of Dubois.
Sagebrush slopes.

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.
Clay slopes and ridgetops.

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.
Sagebrush slopes.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: along Negro Creek near the junction with Cottonwood Creek, ca 3.5 air mi NE of Squaw Teat Butte; ca 36.5 air mi WNW of Thermopolis.
Sandy and clay slopes. Phenology: flowering.

U.S.A., Wyoming, Converse County: Powder River Basin: ca 6 mi NE of Douglas, off Wyo Hwy 59.
Sparse in sandy clay of sagebrush-grassland with Allium, Erigeron, and Lupinus. Flowers lavender-blue with a bearded palate. Phenology: flowering.
with Linda Nelson

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

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.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: N slope of Tatman Mountain, ca 12 air mi SW of Burlington, ca 27 air mi WSW of Basin.
Disturbed areas near windmill.
with Erik Nelson

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.
Cobblestone sagebrush grassland slopes.
with Erik Nelson

U.S.A., Wyoming, Park County: Northern Absarokas: above Dead Indian Creek below Dead Indian Hill, ca 24 air mi NW of Cody.
Clay knoll. Phenology: flowering & fruiting.
with Erik Nelson

U.S.A., Wyoming, Park County: Northern Absarokas: Sunlight Basin, cascades on Sunlight Creek just E of White Mountain, ca 26 air mi NW of Cody.
Meadow and rim of canyon.

U.S.A., Wyoming, Park County: Northern Absarokas: between Paint and Blaine Creeks, ca 4 mi N of Pat O'Hara Mountain, ca 18.5 air mi NW of Cody.
Roadcut.

U.S.A., Wyoming, Park County: Bighorn Basin: along Line Creek, ca 7 air mi NW of Clark, ca 30 air mi NW of Powell.
Sagebrush bench above creek.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Padlock Rim, along a tributary of South Fork Coal Draw, ca 12 air mi NW of Thermopolis.
Sandy slopes, flats, and rough breaks with juniper and limber pine.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: between Rattlesnake Gulch and Missouri Flats Road, ca 5 air mi NW of Thermopolis.
Grassy sagebrush slope on shale, clay, sandy clay.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: between Kester Coulee and Prospect Creek, SW of Ilo Ridge, ca 5 air mi SSE of town site of Grass Creek, ca 25-26 air mi NW of Thermopolis.
Rolling sagebrush-grassland.
with Robin Jones

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.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above Red Canyon across from Minnesela Slope, ca 4.5 air mi SW of Thermopolis.
Old burn area in sagebrush-grassland with no current sagebrush regeneration.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: hills along Wagonhound Creek W of Wagonhound Bench, ca 6 air mi WNW of Hamilton Dome, ca 26 air mi NW of Thermopolis.
Stony clay slopes at lower level of rough breaks.

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.

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.

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, Johnson County: Powder River Basin: ca 22 air mi N of Linch, ca 28.5 air mi NE of Kaycee, above the Powder River, on the Iragaray Ranch.
Infrequent in sandy soil in rough breaks.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Cottonwood Canyon, ca 18 air mi E of Lovell.
Rocky, bushy slopes. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: northwest rim of Little Mountain by Kane BM, ca 14 air mi NE of Lovell.
Grassy sagebruch flats. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: below northeast side of Little Mountain near Godes Spring, ca 1 air mi S of Devil Canyon, ca 16 air mi NE of Lovell.
Stony grassy slopes. Phenology: flowering.

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 & fruiting.

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.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 11.5 air mi SE of Grass Creek; ca 19 air mi NW of Thermopolis on the Cottonwood Creek Road.
Sandy clay soil in grassland.

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.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 15 air mi SSE of Worland on the Nowater Trail.
Sandy slopes.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Big Cedar Ridge, ca 14 air mi SSW of Ten Sleep on Blue Bank Road.
Sandy juniper woods with scattered rock outcrops.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Denver Jake Reservoir and Little Denver Jake Draw, ca 14.5 air mi SE of Worland.
Around the reservoir.

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.

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.
Clay or sandy slopes below rough breaks.

U.S.A., Wyoming, Park County: Bighorn Basin: along Spring Creek, ca 2 air mi W of Meeteetse.
with Ronald L. Hartman

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.
Sagebrush-grass slopes and draws.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Park County: Bighorn Basin: near the head of Spring Creek, ca 6 air mi S of Cody.
Upland sagebrush grassland.

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.
Open clay slopes with sandstone rubble.

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

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Lytle Creek and Newton Hill, ca 8.5 air mi ESE of Devils Tower.
Pine-oak forest with many openings (logged).

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

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Sheep Nose (Sheep Mountain), ca 6.5 air mi N of Sundance.
Outcrop of Pahasapa limestone NW of summit.

U.S.A., Wyoming, Weston County: Black Hills: east side of ridge S of Elk Mountain (USFS Road 823), ca 13.5 air mi SE of Newcastle.
Roadbank in pine forest.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Grassland on red shale soil (Spearfish Formation).

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Willow Hill E of U.S. Hwy 287, ca 11 air mi NW of Rawlins.
Sandy sagebrush grasslands. Phenology: flowering.
with Emmanuelle Vital

U.S.A., Wyoming, Fremont County: Wind River Basin: Red Canyon Rim, ca 14 air mi SSE of Lander.
Sagebrush-juniper grassland. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Cherry Creek, ca 5.2 air mi S of Wyo Hwy 220; ca 13.6 air mi SW of Independence Rock.
Sagebrush-grassland. 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; slopes. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: Dickinson Hill; on north rim of Goshen Hole, ca 13 air mi SE of Wheatland.
Eroded, sandy breaks, draws and gullies with juniper; slopes, hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: Dickinson Hill; on north rim of Goshen Hole, ca 13 air mi SE of Wheatland.
Eroded, sandy breaks, draws and gullies with juniper; bottom of drainage. Phenology: flowering & fruiting.

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. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Junction of Buckman Road and Natrona County Road 114, ca 29 air mi NW of Casper.
Broad shaley loam ridge and drainages; ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Pumpkin Buttes: North Butte.
Eroded rocky slopes on west face, rolling plains below, and plains at summit. Juniper and limber pine on slopes; open slope. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Rolling plains, slope, rocky ground at summit; summit of ridge. Phenology: flowering.

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, at edge of roadcut. Phenology: flowering.

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

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

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Plains and flats along draw; plains. Phenology: flowering.
with Ronald L. Hartman and Mary Alice Sanguinetti.

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

Floodplain, flats, eroded ridge, and sagebrush plains east of creek; ridge. Phenology: flowering.
with Ronald L. Hartman and Mary Alice Sanguinetti.

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

Ponderosa pine slopes, eroded plains; eroded slope. Phenology: flowering.

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

Plains, creek, and roadside; plains. Phenology: flowering.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 7 air mi NW of Rockypoint.
Pond, margins and adjacent plains; plains. Phenology: flowering.

Heavily grazed plains and butte, eroded slopes, small holding pond; slopes. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Rolling plains. Phenology: flowering.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Sandy, rolling plains, draws; draw. Phenology: flowering.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Greasewood flats along river. Phenology: flowering.

Stony plains, sandstone outcrops, rocky slopes, with scattered ponderosa pines; plains. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Powder River Basin: hills above S R Creek, ca 8 air mi E of Wyarno.
Rocky slopes, scoria, sagebrush plains, mesic ravine; slopes. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Powder River Basin: ca 16.5 air mi N of Leiter.
Rolling sagebrush plains, gravelly roadside; plains. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Powder River Basin: Indian Creek, ca 7 air mi NW of Whitman.
42.9234° N, 104.2415° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
On sandy soil associated with gramma grass, plains, draws, meadow along creek; draws. Phenology: flowering.

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

U.S.A., Wyoming, Washakie County: Bighorn Basin: Signal Butte; ca 1.5 air mi WSW of Ten Sleep.
Flats along drainage, shale slopes and rocky ridge top of butte; ridge top.

U.S.A., Wyoming, Washakie County: Bighorn Basin: North Butte, ca 10 air mi SW of Ten Sleep.
Large shale butte, loose slopes, sagebrush on lower slopes; slopes.

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; slopes.

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; slopes.

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.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 15 air mi SW of Meeteetse, in the vicinity of Sheep Point.
Sagebrush grasslands with Crysothamnus; dry slopes.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 19 air mi SW of Cody, ca 1 mi NE of Belknap Creek in the vicinity and to the NE of Peak 8981.
Subalpine "fellfields" on exposed ridges; dry, rocky slopes.

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.
Creek banks and adjacent wet areas with Douglas fir and cottonwoods.
Robert S. Kirkpatrick, 560b. 7/1/1983.

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.
Creek banks and adjacent wet areas with Douglas fir and cottonwoods.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 11 air mi NNW of Dubois, 0.5 mi W of the junction of Bear Creek and Bain Creek.
Sagebrush grasslands with scattered limber pine and occasional wet areas.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Bighorn Basin: "Colter Hell", 3 air mi W of center of Cody.
Inner slopes of pits from former hotsprings and surrounding plains. No elevation listed in field book. Phenology: flowering.
with Keith H. Dueholm

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: north slope of Bridger Mountains: U.S. Hwy 20, ca 5 air mi S of Thermopolis.
Limestone and sandstone. No elevation listed in the field notebook.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 6 mi W of Ten Sleep.
Sandy slopes with sandstone outcrop.

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.

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

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

U.S.A., Wyoming, Park County: Absaroka Mountains: Corral Creek and adjacent plains.
Rolling grassy and sagebrush plains and roadsides.
with Robert S. and Ruth E. B. Kirkpatrick

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.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Park County: Northern Absarokas: Little Bald Ridge and Little Sunlight Creek, 2-3 air mi W of Sunlight Ranger Station.
Limestone talus slopes, ridges, and caprock, stream bottoms with willow and cottonwood, and disturbed roadsides; limestone ridge.

U.S.A., Wyoming, Park County: Northern Absarokas: 3-5 air mi NW of Crandall Creek, Squaw Creek Trail then ridge to near summit of Hunter Peak.
Grassy volcanic ridge and edge of douglas fir forest.

U.S.A., Wyoming, Park County: Northern Absarokas: Windy Mountain, summit and upper northwest slope, 6-7 air mi NNW of Sunlight Ranger Station.
Open subalpine slopes with scattered Pinus albicaulis to alpine meadows, and rocky slopes.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Ishawooa Creek, 2-4 mi W from trail head.
Douglas fir forests and stream bottoms with cottonwood.
with Neil Snow

U.S.A., Wyoming, Campbell County: Powder River Basin: Echeta Road, ca 2.7 mi N of Croton.
Hills and eroded valley; sandy ridge. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: L S Creek, ca 7 air mi NW of Spotted Horse.
Standing water in creek bed, wet flats, and sandy slopes; sandy slopes. Phenology: flowering & fruiting.
with Keith Dueholm

U.S.A., Wyoming, Sheridan County: Powder River Basin: east slope near north end of L Quarter Circle Hill.
Badly eroded slope. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: White Tail Butte and ravines to the west and south.
Flats, ravines, steep eroded slopes, and butte; plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi SE of Gillette.
Hill with grassy ridge and steep slopes, eroded slopes, and roadside; lower slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 7 air mi ESE of Gillette.
Stream with adjacent eroded hills and plains; slope. Phenology: flowering.

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

U.S.A., Wyoming, Campbell County: Powder River Basin: along Porcupine Creek, ca 15 air mi SSE of Reno Junction.
Margins and adjacent sandy flats. Phenology: flowering.

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

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

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11.5 air mi NNE of Weston.
Moist drainage with standing water. Phenology: flowering.
with Keith Dueholm and Mary Alice Sanguinetti

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 9 air mi SW of Gillette.
Low hills with drainage and large shallow pond on flat. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: Pumpkin Buttes: North Middle Butte.
Top and upper slopes of butte. Phenology: flowering.
with Mary Alice Sanguinetti

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

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

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: Little Red Bill Hill and vicinity, ca 5.5 air mi W of Yoder; ca 15.5 air mi SW of Torrington.
Short grass plains. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: ca 13.5 air mi N of Chugwater; ca 12 air mi SE of Wheatland.
Rough breaks with conglomerates and cobblestones at upper levels and mudstones and soft sandstones below. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: drainage leading to Middle Fork Casper Creek along Bucknum or County Road 125, ca 18.5 air mi NW of Casper.
Rolling plains of budsage or Gardner saltbush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ridge W of Hemingway Draw along Thirtythree Mile or County Road 110, ca 24.5 mi NW of Casper.
Rolling plains with a mosaic of grassland, sagebrush-grassland, and semi-barren clay knolls, ridges, and slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Marble or County Road 167 ca 1 air mi E of the Marble Quarry N of Marble Quarry Creek, ca 13 air mi W of Wheatland.
Sagebrush-grassland slopes and benches with fine gravelly soils and cobblestones. 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.
Grassland and sagebrush-grassland below stony knoll. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Thirtythree Mile or County Road 110 ca 1.5 air mi W of Alkali Creek, 28.5 air mi W of Midwest; ca 43 air mi NW of Casper.
Sandstone rim and slopes below. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Emigrant Gap Ridge off Zero or County Road 202, ca 1 air mi W of Emigrant Gap on the Oregon Trail, ca 13 air mi W of Casper.
Sagebrush-grassland on shaley soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Diamond or County Road 104 ca 0.5 air mi E of Richeau Creek, ca 8.3 air mi W of Chugwater; ca 20 air mi S of Wheatland.
Cobblestone slopes with grasslands in shallow swales and draws. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek and bluffs to the north, ca 4.5 air mi S of Indian Hill, ca 24.5 air mi N of Cheyenne.
Shelves and slopes among sandy shale bluffs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County:
Limestone-red bed slope with Astragalus hyalinus and Haplopappus acaulis.

U.S.A., Wyoming, Converse County: Ca 11 mi WNW of Douglas.
Sagebrush with Castilleja and Allium.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sandy road cut and banks along road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sandy grasslands and road cuts. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Warm Springs Hill, ca 7 air mi S of Douglas.
Redbeds with strata of anhydrous gypsum; juniper woodland and grassland. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 4 air mi SSE of Douglas.
Sandstone outcrop and sandy slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Sandstone outcrops and sandy slopes; ponderosa pine and grasslands. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole Rim: Mers Hill, ca 10 air mi E of Slater.
41.8789° N, 104.615° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Sandstone outcrops and sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Limestone outcrops with mountain mahogany juxtaposed with degrading granites. Phenology: fruiting.

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

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains, Taylor Divide and headwaters of Ogden Creek; ca 4.8 air mi NNW of Sundance.
Grassland, south and east facing slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Lytle Creek and Newton Hill, ca 8.5 air mi ESE of Devils Tower.
Ponderosa pine-bur oak forest with many openings (logged). Phenology: flowering & fruiting.

Grassland; south, east, and northeast-facing slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Sheep Nose (Sheep Mountain), ca 6.5 air mi N of Sundance.
Outcrop of Pahasapa limestone NW of summit. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: east side of ridge S of Elk Mountain (USFS Road 823), ca 13.5 air mi SE of Newcastle.
Roadbank in Ponderosa pine forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Grassland on red shale soil (Spearfish Formation). Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: 9.5 air mi E of Sundance.
Ponderosa pine slopes, stream bottom, and meadow; roadside. 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: Devils Tower National Monument, north slope of Fossil Hill.
Occasional on silty soil of open slope with Schizachne purpurascens and Koeleria cristata. Flowers lavender. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Newcastle.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: 6 mi N of Hulett.
Dry slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Ca 10 mi N of Medicine Bow.
Grassland with Astragalus and Erigeron. Flower lavender. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Ca 12 mi SE of Ervay.
Rocky slope with Eremogone and Zigadenus. Flower lavender. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Rim Lake or BLM Road 3420, ca 7.5 air mi SW of Rawlins.
East facing shale slope with sagebrush. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: E of Sage Creek at the forest-Crow Indian Reservation boundary, ca 19 air mi ESE of Bridger.
Sandy slopes with outcrops, with juniper, Douglas fir, and limber pine, much of which was dead. Phenology: flowering.

U.S.A., Montana, Carbon County: Bighorn Basin: Bear Bench Mark hill off Helt or BLM Road 1016, ca 24 air mi SE of Bridger.
45.0668° N, 108.5579° W; uncertainty 0.25 mi., GPS reading
Sagebrush steppe. Phenology: flowering.

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
Stony sagebrush flats along and above the arroyo. Phenology: flowering.

U.S.A., Montana, Carbon County: Pryor Mountains: on Red Pryor or BLM Road 1022 ca 3 air mi S of Red Pryor Mountain summit, ca 29 air mi SE of Bridger.
45.0752° N, 108.4368° W; uncertainty 0.5 mi., GPS reading
Sagebrush knoll. Phenology: flowering.

U.S.A., Montana, Carbon County: Pryor Mountains: Pryor Mountain Wild Horse Range: on Burnt Timber or BLM Road 1018, ca 1.5 air mi E of Crooked Creek, ca 33 air mi SE of Bridger.
45.0273° N, 108.3673° W; uncertainty 0.5 mi., GPS reading
In and along banks of an arroyo through redbeds. Phenology: flowering.

U.S.A., Montana, Carbon County: Pryor Mountains: Pryor Mountain National Wild Horse Range: on Burnt Timber or BLM Road 1018, ca 1.5 air E mi of Crooked Creek, ca 33 air mi SE of Bridger.
Sandstone-limestone pavement with sandy areas and adjacent rocky slopes. Phenology: flowering.

U.S.A., Montana, Carbon County: Pryor Mountains: Pryor Mountain National Wild Horse Range: on Sykes Ridge or BLM Road 1019 at the state line, ca 37 air mi SE of Bridger.
Rocky (limestone) red slopes. Phenology: flowering.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: red hill just N of Sage Creek near the junction of Forest Road 2144 and O/C (Circle Slash C) Ranch drive, ca 22.5 air mi ESE of Bridger.
Steep red clay slopes with scattered limber pine and Douglas fir. Phenology: flowering.

U.S.A., Montana, Carbon County: Bighorn Basin: along Sage Creek Road, ca 9.5 air mi SE of Bridger.
Rocky limestone slopes and pavement on top of hill above red beds, dominated by black sagebrush and western wheatgrass with limber and ponderosa pines on top. Phenology: flowering.

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
Rolling slopes on limestone with Utah juniper and sagebrush. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: Red Pryor Mountain, southeast shoulder, steep slope below the rim to the E, ca 26 air mi SE of Bridger.
Raw red clay slope of snow drift area. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Bighorn Basin: along Grove Creek Road, ca 2.5 air mi W of Clarks Fork Yellowstone River, ca 5 air mi SW of Belfry.
Clay slopes and ridges with sandstone outcrop, with sagebrush and saltbush. 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, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: at forest boundary on Forest Road 485 ca 3.5 air mi SE of Black Butte, ca 12.5 air mi S of Big Timber.
Recently burned (2006) grassland with patches of Douglas fir or ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along Line Creek from Wyoming N ca 1/3 mi, ca 12.5 air mi S of Red Lodge.
Canyon bottom near stream. Phenology: flowering.
with Emily Elliott

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: ridge S of Line Creek, ca 0.3-0.5 mi S of Montana, ca 37 air mi NNW of Cody.
Slopes of decomposing granite or redbeds with limber pine and Douglas fir. Phenology: flowering.
with Emily Elliott

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.
with Emily Elliott

U.S.A., Wyoming, Park County: Beartooth Mountains: ca 1/4-3/4 air mi N of Clarks Fork Yellowstone River, ca 26.5 air mi NNW of Cody.
Dry sagebrush on redbeds and soil derived from them. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: ca 1/4-3/4 air mi N of Clarks Fork Yellowstone River, ca 26.5 air mi NNW of Cody.
On multicolored clay soil (gray, red, black). Phenology: flowering.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along Forest Road 2071 and Forest Road 21478 at intersection, ca 3 air mi SW of Red Lodge.
On south-facing slope, in an open meadow used as a horse pasture with sagebrush and into pine/Douglas fir. Phenology: flowering.
with Brian Elliott

U.S.A., Montana, Carbon County: Beartooth Mountains: E of Meeteetse Trail Road, ca 5 air mi SE of Red Lodge.
South-facing open grass/forb meadow into riparian area to northeast-facing grass/forb slope. Phenology: flowering.
with Brian Elliott

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
Accession: USFS 939609, Barcode: RM0111376

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., Wyoming, Park County: Beartooth Mountains: ca 1/4-3/4 air mi N of Clarks Fork Yellowstone River; ca 26.5 air mi NNW of Cody.
Red beds. Phenology: flowering.
with B. E. Nelson and Brian Elliott

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: along West Rosebud Creek, ca 6 air mi SW of forest boundary, ca 24 air mi WNW of Red Lodge.
Open slopes with scattered mixed conifer forests. Phenology: flowering.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: along Forest Road 2414, ca 2 air mi S of the forest boundary, ca 30 air mi NW of Red Lodge.
Open slopes on red beds. Phenology: flowering.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: along Forest Road 2142, ca 22 air mi S of Big Timber.
Moist mixed conifer/aspen stand and wet forby meadow. Phenology: flowering.
with Brian Elliott

U.S.A., Montana, Park County: Absaroka Mountains: ca 3.5 air mi NNW of National Forest, ca 2 air mi E of Livingston.
Open cobbly hills dominated by low forbs. Phenology: flowering.

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.

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: fruiting.

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Rocky, steep west-face slope. 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., Wyoming, Park County: Beartooth Mountains: Line Creek just S of Montana.
Stream margin, rocky slopes and ridges, redbeds. 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.

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 & fruiting.

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 & fruiting.

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: flowering.
with Bernadette Kuhn

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: southeast-facing hill, N of Forest Road 111, ca 1 1/4 air mi W of intersection of Forest Road 111 and I-80, ca 1.5 air mi W of Arlington.
Sagebrush. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Spring Creek and Tableland Ditch, E of County Road 101 (Medicine Bow River Road), ca 10 air mi W of Arlington; ca 23 air mi NE of Saratoga.
Grassland. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Pass Creek and Overland Flats area, ca 2 air mi S of I-80 and Wyo Hwy 130 intersection, ca 18 air mi N of Saratoga.
Sagebrush steppe. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Rattlesnake Creek area, N of County Road 400 (Rattlesnake Road), ca 3 air mi SE of I-80 exit 238 (Peterson Ranch) and ca 18 air mi NNE of Saratoga.
Sagebrush hills with several gullies, sandy, abundant bare ground. Phenology: flowering & fruiting.

U.S.A., Montana, Wheatland County: Lewis and Clark National Forest: Little Belt Mountains: above creek from Muir Spring, Forest Road 382, ca 14.5 air mi W of Judith Gap.
Elev. 1768 m.
Open meadow on sandstone with occasional limestone outcrops; southeast aspect, 10-20% slope. 1 Phenology: flowering.
1. Penstemon eriantherus Pursh var. eriantherus .

U.S.A., Montana, Wheatland County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 8804, near Haymaker Campground, ca 20 air mi W of Judith Gap.
Open meadow; west aspect, 35% slope; sandstone bedrock. Phenology: flowering.
1. Penstemon eriantherus Pursh var. eriantherus .

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Little Belt Mountains: Pasture Gulch, Forest Road 8905, ca 5 air mi SE of Checkerboard, along Cooper Creek.
46.5189° N, 110.4507° W; NAD 83, uncertainty 0.25 mi., GPS reading
Open meadow; northwest aspect; limestone bedrock. Phenology: flowering.
1. Penstemon eriantherus Pursh var. eriantherus .

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.
Bench above creek; open shrub land; southwest aspect, 5% slope; shale bedrock. Phenology: flowering.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: junction of Forest roads 266 and 2084, junction of Skunk Gulch and Yogo Creek.
46.9206° N, 110.456° W; NAD 83, uncertainty 0.25 mi., GPS reading
Riparian zone and bench above creek; south aspect, 1-10% slope, mixed limestone and shale bedrock. Phenology: flowering.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: junction of Forest roads 6531 and 825.
46.8506° N, 110.2822° W; NAD 83, uncertainty 0.25 mi., GPS reading
Dry open meadow; grazed, west aspect, 10-20% slope, limestone bedrock. Phenology: flowering.

U.S.A., Montana, Fergus County: Lewis and Clark National Forest: Little Snowy Mountains: junction of Forest roads 272 and 271.
Open ridge line; north and south aspect, 0-20% slope; limestone bedrock. Phenology: flowering.

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Logging Creek, on hair pin curve on Forest Road 49, trail upstream.
South exposure with limestone outcrops. Phenology: flowering.
Annotated by Rick McNeill.
with Rick McNeill

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 262, ca 9 air mi S of Geyser.
Grassy valley with gravelly creek bottoms. Phenology: flowering.
Annotated by Rick McNeill.
with Rick McNeill

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: Forest Road 233, ca 14 air mi WSW of Augusta.
Grassy slope and pond margin. Phenology: flowering.
Annotated by Rick McNeill.
with Rick McNeill

U.S.A., Montana, Carbon County: Along Mont Hwy 78, ca 1.5 mi E of intersection between Mont Hwy 78 and Lower Luther Road, ca 10 air mi NW of Red Lodge.
Along road cut, dominated by introduced grasses and bare, steep slopes. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: NE of Derby Mountain along Forest Road 6674, ca 17.5 air mi SSE of Big Timber, .
Barren slopes with rock outcrops. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Suce Creek Trail to Elephanthead Mountain, ca 7-8 air mi SSE of Livingston; then N to Mission Creek.
Mixed conifer forest dominated by Pseudotsuga menziesii, with moist shaded understory dominated by Physocarpus and Symphoricarpos. Phenology: flowering.

U.S.A., Montana, Meagher County: Smith River Wildlife Management Area: ca 3 air mi NNE of Fort Logan.
Northeast aspect; 5-15% slope; sagebrush and Pinus ponderosa woodland; quartzite outcrops. Phenology: flowering.

U.S.A., Montana, Judith Basin County: Little Belt Mountains: County Road 427 (Oriet Road) in Kibbey Canyon, ca 3 air mi S of junction with U.S. Hwy 87.
Road cut on east side of road; west aspect; 20-30% slope; Pinus ponderosa and Juniperus communis; shale outcrops. Phenology: flowering.

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, Teton County: Front Range: south bank of Pishkun Canal at first bridge, ca 3 air mi NE of diversion from the Sun River.
Open rock meadow, scattered Pinus flexilis; southwest aspect; 0-5% slope. Phenology: flowering.

U.S.A., Montana, Teton County: Lewis and Clark National Forest: Front Range: Ear Mountain Trail, ca 0.5 air mi SSW of trailhead.
Scattered Pinus flexilis; northeast aspect; 10-25% slope; sandstone. Phenology: flowering.
with Addy Wycgans

U.S.A., Montana, Teton County: Front Range: open ridge, ca 2.2 air mi SW of Ear Mountain Trailhead.
Exposed rock ridge, blue/ gray siltstone; northeast aspect; 0-15% slope. Phenology: flowering.
with Addy Wycgans

U.S.A., Montana, Teton County: Lewis and Clark National Forest: Front Range: Ear Mountain Trailhead.
Parking lot/picnic area, flat, scattered Populus tremuloides, gravel, open meadow. Phenology: flowering.
with Addy Wycgans

U.S.A., Montana, Teton County: Lewis and Clark National Forest: Front Range: Forest Trail 106, ca 1 air mi N of trailhead at Blackleaf Canyon.
Eastward flowing drainage; 0-15% slope; scattered Pinus flexilis; limestone. Phenology: flowering.

U.S.A., Montana, Teton County: Blackleaf Wildlife Management Area: Front Range: Blackleaf Road, ca 1.5 air mi ENE of Blackleaf Trailhead, where road fords Blackleaf Creek.
Creek bottom and surrounding flood plain, very rocky glacial outwash, many abandoned channels. Phenology: flowering.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: Forest Road 694, ca 1.5 air mi S of junction with U.S. Hwy 12.
Forested slope; west aspect; 5-25% slope; Pinus ponderosa and Pseudotsuga menziesii. Phenology: flowering.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: Forest Road 694 along Cooper Creek, ca 1/4 mi N of junction with Forest Road 694A.
Gravel pit/road cut, gray/green shale; 5-30% slope; southwest aspect. 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, Pondera County: Front Range: Forest Trail 150, E of Phillips Creek, ca 1.5 mi S of Swift Reservoir Trailhead.
Wooded hill slope; south to southwest aspect; 10-15% slope; Pseudotsuga menziesii and Pinus contorta. Phenology: flowering.

U.S.A., Montana, Pondera County: Front Range: ridge line NW across valley from Split Mountain, ca 1 air mi E of Swift Reservoir Trailhead.
Narrow rocky draw, west to east; sandstone, gray/ green shale on north side, red shale on south side; 5-25% slope. 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., South Dakota, Harding County: Custer National Forest: Slim Buttes: just S of SD Hwy 20 at Reva Gap and in The Castles, ca 18.5 air mi E of Buffalo.
Grass-dominated gravel slope below cliff face. Phenology: flowering.

U.S.A., Montana, Carter County: Custer National Forest: Chalk Buttes: from the top of the South Chalk Butte, ca 0.5 air mi SE of Alstrom Spring, into Birch Spring Draw, and NE toward Hehn Draw, ca 0.5-2 air mi SW of Trenk Pass, ca 13.5 air mi SW of Ekalaka.
Along road with mixed ponderosa pine and grass-dominated upland. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: W of Main Boulder Ranger Station, ca 25.5 air mi SW of Big Timber.
On south- and east-facing slopes, mixed forest with limber pine, aspen, Douglas fir, and open meadows. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: between Clarks Fork Trailhead and Table Mountain, ca 17.5 air mi SE of Cooke City, Montana.
Open sagebrush dominated meadow amongst scattered Douglas fir and lodgepole pine. 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.
Mixed grass and badlands. 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: flowering.

U.S.A., Montana, Gallatin County: Bridger Mountains.
with Ernst A. Bessey

U.S.A., Montana, Gallatin County: Sourdough.

U.S.A., Montana, Powell County: 2 mi S of Helmville.
Clay soil; sagebrush hills. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Powell County: Blackfoot Valley, 6 mi W of Ovando.
Rocky bank. Phenology: flowering & fruiting.
with C. V. Muhlick

U.S.A., Montana, Powell County: Continental divide: just west of summit of McDonald Pass.
Rocky, granitic soil. Phenology: flowering.

U.S.A., Montana, Powell County: Helena National Forest: 9 mi W of Lincoln.
On sandy bank. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Deelodge National Forest: Racetrack Creek.
Glacial outwash gravel; 50% slope, south exposure; cottonwood vegetation; with Populus trichocarpa, Agropyron spicatum, Phlox longifolia. Phenology: flowering.
Jack E. Schmautz, JES-317. 6/5/1959.
Accession: USFS 498243

U.S.A., Montana: Deerlodge National Forest.
Sandy loam, black loam, most soil; open park area along stream. Phenology: buds.
Charles Fleming, 29. 6/20/1911.
Accession: USFS 498244

U.S.A., Montana: Custer National Forest: south of Poker Jim Ranger Station.
On butte, south slope; medium heavy soil. Phenology: flowering.
Glenn Flathers, 14. 6/9/1921.

U.S.A., Montana: Custer National Forest.
T2S R47E S10
5% south slope; sandy loam soil; with bluestem, loco, death camas, Stipa, white sage, larkspur. Scattered. Phenology: flowering.

U.S.A., Montana: Custer National Forest.
T5S R45E
Flat west slope; clay flat. Phenology: flowering.

U.S.A., Montana, Madison County: Beaverhead National Forest: Lews Creek Reseeding Area.
T9S R3W S28
Slope 20% southeast; stony loam soil; with Chrysothamnus, Eriogonum; grass-sage vegetation; sunny slopes. Locally frequent. Phenology: flowering.
with Elmer Quanbeck

U.S.A., Montana: Beaverhead National Forest: West Fork Meadow Creek.
East level slope; gravelly and sandy soil; woodland with pinegrass, Phlox; open rocky place. Fairly common. Phenology: flowering.

U.S.A., Montana: Beaverhead National Forest.
Rocky, shallow, sandy (quartzite) loam. Phenology: flowering.
William C. Butterfield, 77. 7//1912.

U.S.A., Montana: Beaverhead National Forest.
T6S R11W S20
Sage vegetation. Phenology: flowering.

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

U.S.A., Montana: Beartooth National Forest: Sage Creek Ranger Station.
North slope; gravelly soil; grass cover type. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka National Forest.
T7S R7E S20
On NW slope; in coarse gravelly soil; grassland with Agropyron, Bulbilis, Festuca. Limited Abundance. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka National Forest.
Slope 10%, east exposure; clay soil with Phleum, Carex, Poa. Common. Phenology: flowering.

U.S.A., Montana, Custer County: Intermountain Range Livestock Experiment Station: Pasture N, near Custer Flat well.
Gentle south slope; gravelly clay soil; grass vegetation. Phenology: flowering & fruiting.

U.S.A., Montana, Custer County: US Range Livestock Experiment Station: near cattle guard on L.P. road.
Slope 5 degrees, south exposure; gravelly loam soil; grassland; associated with grama grass, Artemisia tridentata; draws and southern slopes. Phenology: flowering.

U.S.A., Montana, Custer County: US Range Livestock Experiment Station: center of Pasture J.
T6N R43E S9
Steep, south-facing slope; sandy soil; Carex and grass. Phenology: flowering.

U.S.A., Montana, Madison County: Vigilante Experimental Range: Squaw Creek, N of Powder House.
T9S R3W S27 SW1/4
20% slope, south exposure; shallow clay loam soil. Fairly abundant. Phenology: flowering.

U.S.A., Montana, no county County: Absaroka National Forest.
Sandy loam soil; green weed area; full sunlight. Phenology: flowering.
with Charles E. Fleming

U.S.A., Montana: Absaroka National Forest.
T6N R11E S6
South slope; rocky soil. Light abundance. Phenology: flowering.

U.S.A., Montana, Jefferson County: Deerlodge National Forest: 11 mi S of Butte along U.S. Hwy 105.
Low shrub in dry sunny situation. Phenology: flowering & fruiting.

Penstemon eriantherus var. eriantherus ()
U.S.A., Montana: Gallatin National Forest.
Lee Marston, s.n.. //.

U.S.A., Montana, Lewis and Clark County: Helena National Forest.
Gentle southwest slope; clay loam soil; with Chrysanthemum and Festuca scabrella. Scattering, not abundant. Phenology: flowering.

U.S.A., Montana, Meagher County:
T7N R6E S22
25% slope, east exposure; deep rocky humus; open grassland. Phenology: flowering.

U.S.A., Montana: Jefferson National Forest: Castle.
North sloep; sandy soil; open hillside. Common. Phenology: flowering.

U.S.A., Montana: Lewis and Clark National Forest: upper Elk Creek.
25 degree slope, south exposure; near drift fence; clay gravel soil; open woodland on hillside; open barren places. Common. Phenology: flowering.

U.S.A., Montana, Missoula County: Intermountain MRC: Lolo National Forest: Mount Jumbo.
Herbland; slope 30% west; rocky sandy loam soi. Locally common. Phenology: flowering.
Peter F. Stickney, PFS-127. 5/22/1957.

U.S.A., Montana, Missoula County: Missoula: North Pattee Road.
S4
Open, rocky, dry soil; south exposure. Phenology: flowering & fruiting.
with E. G. Clark

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: directly S of Gibson Lake: ca 3 mi from dam, ca 25 mi NW of Augusta.
Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: East side of Bridger Range: foot of Mount Baldy.
Open hillside. Phenology: flowering.

U.S.A., Montana, Gallatin County: Bozeman.

U.S.A., North Dakota: Dickinson.
On butte. Phenology: flowering.

U.S.A., Nebraska, Banner County: Ca. 5 mi NW of Harrisburg.
Roadside silo C-10. Phenology: flowering.
with J. Van Loh

U.S.A., Nebraska, Scotts Bluff County: N of Mitchel.

U.S.A., Nebraska: North of Mitchel.

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.
Accession: USFS (unaccessioned), Barcode: USFS0048096

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: along Forest Road 2414, ca 2 air mi S of the forest boundary, ca 30 air mi NW of Red Lodge.
Open slopes on red beds. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0048095

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: Red Pryor Mountain, southeast shoulder, steep slope below the rim to the E, ca 26 air mi SE of Bridger.
Raw red clay slope of snow drift area. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0047730

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along Forest Road 2071 and Forest Road 21478 at intersection, ca 3 air mi SW of Red Lodge.
On south-facing slope, in an open meadow used as a horse pasture with sagebrush and into pine/Douglas fir. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0047441

U.S.A., Montana, Madison County: Tobacco Root Mountains: Granite Creek, ca 10 air mi WSW of Ennis Lake, ca 5.5 air mi N of Virginia City.
Sagebrush grassland hills. Phenology: flowering.

U.S.A., Wyoming, Fremont County: SE of Thermopolis and E of the Wind River Canyon: North Flank of the Owl Creek Range: Birdseye Pass area.
Threetip sagebrush area. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Owl Creek Range: E of the Wind River Canyon, at Birds Eye Pass.
Open slopes among rocks, with sagebrush. Phenology: flowering.
with Marjorie W. Porter

U.S.A., Wyoming, Park County: Absaroka Mountains: Shoshone National Forest: along U.S. Hwy 14, 16, and 20 just S of Elk Fork Campground.
44.4633° N, 109.629° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Growing with Phacelia sericea, Oxytropis lagopus and Potentilla arguta. Phenology: flowering.

U.S.A., Wyoming, Park County: Clarks Fork Valley: Little Rocky.
Rocky plain. Phenology: flowering.
with Dorothy Pearson

U.S.A., Wyoming, Goshen County: Ca 12 mi W of Yoder.
Chalky outcrop, with Eremogone and Physaria nelsonii. Flowers lavender. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: North Fork Powder River Wilderness Study Area: east side of river, ca 27.5 mi NW of Kaycee.
Prairie slopes and breaks; with Stipa comata, Carex filifolia, Tetraneuris acaulis.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Sheep Rock S of County Road 508, ca 5.5 air mi NW of Saratoga.
Rocky flat top; cushion community. Phenology: flowering.
with Nathan Foster

U.S.A., Wyoming, Goshen County: 2.5 mi S of Torrington.
Rocky, chalky bank; with Arenaria hookeri, Paronychia. Flowers lavender. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bald Ridge.
T56N R104W S25 South1/2
Gravelly slope with Shoshonea, Pinus flexilis, Eritrichium. Corolla purplish-lavender. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains E of Laramie.
George E. Osterhout, s.n.. 6/23/1925.

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

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

U.S.A., Wyoming, Albany County: Laramie.
Sandy plains. Phenology: flowering.

U.S.A., Wyoming, Albany County: Near Tie Siding.
George E. Osterhout, 987. 7/1/1896.

U.S.A., Wyoming, Albany County: N of Tie Siding.

U.S.A., Wyoming, Albany County: Laramie Mountains: near Roger Canyon.
At base of rock wall, top of slope. Common; flowers light lavender. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie, "Alkali Lake".
Loose soil of plains. Phenology: flowering.

U.S.A., Wyoming, Natrona County: East Wind River Basin: badlands ca 1.5 air mi E of Hells Half Acre, on north side of U.S. Hwy 20/26, ca 40 air mi WNW of Casper.
Badland slopes and ridges of tilted bands of multicolored sediments, with Wyoming big sagebrush, winterfat, rabbitbrush, Junegrass. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: East slope Big Horn Mountains: ridge system on north side of Smith Creek ca 7.3 air mi WNW of Dayton.
Whitish shaley-limestone and redded barren slopes and ridgecrests. Phenology: flowering.
with Janet Britt

U.S.A., Wyoming, Natrona County: West Slope Laramie Range: ridge on west side of Corral Creek, ca 3 air mi E of Wyo Hwy 487.
Shale barrens on west side of ridge in cushion plant community; with occasional Utah juniper. Phenology: flowering.

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 summit of small limestone ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Mountains.
T1S R2W S26
Sage-grassland. Flowers-blue. Phenology: flowering.

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 & fruiting.

U.S.A., Wyoming, Niobrara County: Ca 10 mi N of Lusk.

U.S.A., Wyoming, Niobrara County: Back of Boner house, 35 mi NW of Lusk.

U.S.A., Wyoming, Fremont County: Banks of the Popo Agie River S of Lander.

U.S.A., Wyoming, Albany County: State Fish Hatchery, Laramie.
Dry meadows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Pole Mountain near Lincoln Monument.
On grassy slopes, dry sandy soil. Occasional; flowers light purple. Phenology: flowering.

U.S.A., Wyoming, Albany County: S of Red Buttes.
Red soil; gravelly knoll. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: 3 mi SW of Platte county, along Wyo Hwy 34.
In scattered patches. Flowers lavendar. Phenology: flowering.
with Charlotte G. Reeder

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Emigrant Gap Ridge, ca 12 air mi W of Casper.
Sandy and shaly areas with Ponderosa pine on ridges. Phenology: flowering.

U.S.A., Wyoming, Albany County: E of Laramie.
In a gulch. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeast Plains: Southern Powder River Basin: north end of Pine Mountain.
Ponderosa pine rimmed mesa. Phenology: flowering.

U.S.A., Wyoming, Albany County: At mouth of Telephone Canyon.
Dry, rocky slopes. Phenology: flowering.

U.S.A., Wyoming, Natrona County: 35 mi W of Casper, on a sandstone ridge S of Poison Spider Creek.
Sandy soil, sagebrush-grassland. Flowers lavender. Phenology: flowering & fruiting.
Annotated by Craig C. Freeman in 1981. Pollen removed from this specimen for examination.
with Marjorie W. Porter

U.S.A., Wyoming, Carbon County: Shirley Basin: 35 air mi SSE Casper.
Artemisia tridentata gramineae. Phenology: flowering & fruiting.
Francis B. Current, 391. 7/5/1978.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyo Hwy 253, ca 9 air mi SE of Casper.
Wide right-of-way with road cut and relatively undisturbed grasslands along fence and drainage with cottonwood and willow. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Spotted Horse.
Sandy knoll. Phenology: flowering & fruiting.

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

Breaks and sandy plains and slopes; grassland with patches of sagebrush. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: breaks on south side of the North Platte River, ca 9 mi NW of Douglas.
Sandy slopes and flats; grasslands with areas of sagebrush. Phenology: flowering.

U.S.A., Wyoming, Converse County: Glenrock.
Spine-tipped fruit. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: 20 mi N of Gillette.
Clay soil on hill near timber. Phenology: flowering.
Charles L. Turner, 45. 6/6/1946.

U.S.A., Wyoming, Campbell County: 10 mi NW of Gillette.
Sandy & clayey knoll. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Black Thunder Strip Mining Area: North Prong of Thunder Creek and Little Thunder Creek.
Ephemeral flood plain; big sagebrush, prairie junegrass, blue grama Western wheatgrass; loamy, clayey soil (Ulm and Bidman Series). Phenology: flowering.
with D. W. Sabinske

U.S.A., Wyoming, Campbell County: Gellette.
Sandy plains. Phenology: flowering & fruiting.
George W. Beatty, 4. 7//1928.

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

U.S.A., Wyoming, Fremont County: Bonneville National Forest.
Rocky soil. Phenology: flowering.
Wilber Goodson, 314. 8//1912.

U.S.A., Wyoming, Albany County: Medicine Bow National Forest.
Granite soil. Phenology: flowering.

U.S.A., Wyoming, Platte County: Near Medicine Bow National Forest, 5 mi W of Glendo.
North 5% slope; lime clay loam soil; park, with grass. Very common; blue flowers. Phenology: flowering.
2. Penstemon eriantherus Pursh
Annotated by David D. Keck in 1950.

U.S.A., Wyoming, Carbon County: Shirley Basin: along west side of Wyo Hwy 487, 7.8 mi S of Natrona County.
Grassland in basin. Phenology: flowering & fruiting.
with Jane P. Nelson

U.S.A., Wyoming, Hot Springs County: Big Horn River.
Dry hill above river. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Mountains: ca 25 mi SW of Wheatland on Nueces Ranch (old Adam Boyd Ranch) along Bluegrass Creek on Tunnel Road.
Rocky slope. Flowers lavender. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Shirley Basin: 35 air mi SSE of Casper.
With Artemisia tridentata, gramineae. Phenology: flowering.
Francis B. Current, 387. 7/4/1978.

U.S.A., Wyoming, Carbon County: Shirley Basin: 35 air mi SSE of Casper.
Artemisia tridentata gramineae. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: West Hurlburt Creek.
Dry foothills. Phenology: flowering.

U.S.A., Wyoming, Carbon County: TB Ranch.
42.0774° N, 106.2005° W; NAD 83, uncertainty 0.5 mi., Digital Map
Barren hillside. Phenology: flowering & fruiting.
Leslie N. Goodding, 45. 6/20/1901.

U.S.A., Wyoming, Big Horn County: Western Slope of Big Horn Mountains: near the summit.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: west slopes of the mountains, 10-15 miles east of Kane.
Dry rocky hillside. Flowers lavender. Phenology: flowering & fruiting.
with Rua P. Williams

U.S.A., Wyoming, Laramie County: Pole Creek.

U.S.A., Wyoming, Park County: Yellowstone Forest Reserve.
Grover Davies, s.n.. 6//1907.

U.S.A., Wyoming, Niobrara County: On the western part of the Great Plains Prairie at Jireh, Muddy Creek.
On the sand-hills of creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: 7 mi W of Cheyenne and 1 mi N of U.S. Hwy 30.

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, 5. 6/10/1961.

U.S.A., Wyoming, Laramie County: 7 mi W of Cheyenne and 1 mi N of U.S. Hwy 30.
Shortgrass prairie. Phenology: flowering.

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

U.S.A., Wyoming, Campbell County:
Grassy hills along roadside, some sandy soil. Phenology: flowering.
Mary Alice Sanguinetti, 382-A. 7/13/1978.

U.S.A., Wyoming, Platte County: Ca 12 mi SE of Wheatland, near silo T-4.
Grassland. Phenology: flowering.
2. Penstemon eriantherus Pursh
Annotated by Ronald L. Hartman in 1985.
with J. Von Loh

U.S.A., Wyoming, Laramie County: Ca 7 mi NW of Midway, ca 5 mi N of U.S. Hwy 85.
T17N R64W Sec. 19
with J. Von Loh

U.S.A., Wyoming, Carbon County: 9 mi NE of Muddy Gap.
Gravelly outcrop of sagebrush with Astragalus, Cryptantha. Corolla lavender. Phenology: flowering.

U.S.A., Wyoming, Converse County: Laramie Mountains: La Prele and Rabbit creeks, ca 24.5 air mi SW of Douglas.
On sandy roadside. Common. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Ca 1 mi S of Lusk on U.S. Hwy 85.
On roadside embankment. Scattered. Phenology: flowering.

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

U.S.A., Wyoming, Big Horn County: Big Horn.

U.S.A., Wyoming, no county County: Big Horn Mountains.
with C. E. Moore

U.S.A., Wyoming, Sheridan County: Bighorn National Forest.
Elev. 4000
Gentle southwest slope; clay soil; open grassland, with wheatgrass, weeds.. Phenology: flowering.
3. Penstemon cristatus Nutt.
Annotated by Francis W. Pennell in 1937.

U.S.A., Wyoming, Hot Springs County: SE of Thermopolis and E of the Wind River Canyon, on the north flank of the Owl Creek Range: Grass Creek.
Three-tip sagebrush area. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Grass Creek Divide Exclosure.
Vegetation type mixed grass - shrub. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Whitney Coal Site.
Sagebrush-grassland. Acme Quadrangle. Phenology: flowering.
with L. M. Mayer, A. B. Hoag

U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: near Lime triangulation station.
West-facing hillside; Limestone terrain; with Artemisia tridentata, Festuca idahoensis, and Lupinus wyethii. Phenology: flowering.
with Richard York

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: 1-2 mi S of Trough Spring, on northwest side of Rattlesnake Mountain.
Growing with Antennaria corymbosa, Pedicularis cystopteridifolia, and Geum triflorum. Phenology: flowering.

Penstemon eriantherus var. grandis (1937)
Penstemon eriantherus Pursh var. grandis Pennell & D. D. Keck
U.S.A., Montana, Gallatin County: Bridger Mtns. E of Bozeman: Divide between Rocky & Bridger Canyons.
Black soil over limestone. Phenology: flowering.
Type Specimen: Isotype for Penstemon eriantherus Pursh var. grandis Pennell & D. D. Keck. Bull. Torrey Bot. Club 65: 251. 1938.
1. Penstemon eriantherus Pursh var. grandis Pennell & D. D. Keck
. Isotype.
with F. B. Cotner

Penstemon eriantherus var. redactus (1992)
Penstemon eriantherus Pursh var. redactus Pennell & D. D. Keck
U.S.A., Idaho, Lemhi County: Targhee National Forest: West Slope Beaverhead Range: Long Canyon, ca 30 air mi W of Dubois.
Open slope dominated by Chrysothamnus and Artemisia, with patches of Pseudotsuga and Pinus flexilis.

Penstemon eriantherus var. redactus (2008)
Penstemon eriantherus Pursh var. redactus Pennell & D. D. Keck
U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: draw uphill of Forest Road 487 across from Forest Road 487-B.
Open meadow with Pinus ponderosa; south aspect, 15-20% slope, limestone bedrock. Phenology: flowering.
1. Penstemon eriantherus Pursh var. redactus Pennell & D. D. Keck.

Penstemon eriantherus var. redactus (2008)
Penstemon eriantherus Pursh var. redactus Pennell & D. D. Keck
U.S.A., Montana, Wheatland County: [location and coordinates withheld]
Very green soil; south aspect, 15% slope. Phenology: flowering.
1. Penstemon eriantherus Pursh var. redactus Pennell & D. D. Keck.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Little Belt Mountains: junction of Forest roads 6503 and 831, ca 7 air mi N of Newland Creek Reservoir.
Open ridge leading to forested peak; Pinus contorta and Pseudotsuga menziesii, limestone outcrops. Phenology: flowering.
1. Penstemon eriantherus Pursh var. redactus Pennell & D. D. Keck.

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: ca 18 air mi NW of Augusta; lower dam site at entrance to Sun River Canyon.
Limestone escarpment and adjacent outcrops. Phenology: flowering.
1. Penstemon eriantherus Pursh var. redactus Pennell & D. D. Keck

U.S.A., Montana, Lewis and Clark County: U.S. Hwy 287, ca 4 air mi N of Augusta.
Road cuts. Phenology: flowering & fruiting.
1. Penstemon eriantherus Pursh var. redactus Pennell & D. D. Keck

U.S.A., Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: slopes on the west side of Grouse Creek ca 0.3 mi downstream of Mill Creek, 17.7 air mi ESE of Challis.
Well developed soil in xeric shrub-steppe vegetation; 22° slope, ESE aspect; silty, sandy limestone geology. 26-75 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: gorge of Upper Cedar Creek, 6.9 air mi NNW of Mackay.
Well developed soil in xeric shrub-steppe vegetation; 33° slope, SSE aspect; dolostone/sandstone geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Montana, Deer Lodge County: Ca 10 mi W of Anaconda.
Gravel outwash benchland. Phenology: flowering.

U.S.A., Montana, Jefferson County: Deerlodge National Forest: Sunnyside Ranger Station.
Sandy loam soil. Phenology: flowering.
2. Penstemon eriantherus Pursh var. redactus Pennell & D. D. Keck

U.S.A., Montana, Madison County: Beaverhead National Forest.
3% north slope; shallow, sandy clay loam soil; with sagebrush. Phenology: flowering.

U.S.A., Montana, Deer Lodge County: Ca 20 mi N of Wisdom.
In boulders (soft shale), in sagebrush. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Beaverhead County: Ashbough Canyon, ca 4.5 air mi E of I-15, ca 29 air mi S of Dillon; ca 25 air mi NW of Monida.
Sandy and rocky drainage between two low grassy hills, with scattered sagebrush. Phenology: flowering.

U.S.A., Montana, Madison County: Ruby Range: Cottonwood Creek, ca 4 air mi WSW of Ruby River Reservoir, ca 20 air mi S of Sheridan.
Flat sagebrush grasslands at top of a low ridge, with scattered sagebrush and scattered limber pine. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Lemhi Range: Hayden Basin, NW of Bear Creek and ESE of Trail Creek, 21.8 air mi WNW of Leadore.
Dominant population in xeric soil within shrub-steppe vegetation, 17 degree slope, S aspect, alluvial geology. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Salmon River Mountains: foot of the ridge N of the confluence of Silver and Camas Creeks, 26.2 air mi NNW of Challis.
<25 individuals estimated in xeric coarse textured soil within grassland vegetation, 35 degree slope, SW aspect, rhyodacite geology. Phenology: flowering.

U.S.A., Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: slopes N of upper Elbow Creek, 13.6 air mi E of Challis.
Well developed soil in xeric shrub-steppe vegetation; 23° slope, SE aspect; volcaniclastic geology. Population is dominant throughout the area. Phenology: flowering.

U.S.A., Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: slopes along Middle Fork Lawson Creek, 8.5 air mi S of Ellis.
Sandy or gravelly soil in mesic shrub-steppe vegetation; 18° slope, SE aspect; alkaline volcanic geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Challis National Forest: Lemhi Range: slopes and breaks N of Cow Creek near Black Canyon, 6.1 air mi ENE of Ellis.
Well developed soil in xeric shrub-steppe vegetation; 31° slope, S aspect; volcaniclastic geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: ridge on the east side of an old landslide on the north side of Williams Lake, 11.5 air mi SSW of Salmon.
Sandy or gravelly soil in xeric grassland vegetation; 14° slope, SSW aspect; andesitoid-rhyolitoid geology. 1-25 individuals apparent. Phenology: flowering.
with Wendy Irwin

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: foothill slope above Panther Creek ca 0.3 mi upstream of Beaver Creek, 7.8 air mi SSW of Shoup.
Sandy or gravelly soil in xeric mountain mahogany vegetation; 43° slope, SW aspect; granite geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Butte County: Challis National Forest: Lost River Range: unnamed canyon S of Eightmile Canyon and E of Deadman Canyon, 8.5 air mi SSW of Howe.
Well developed soil in xeric shrub-steppe vegetation; 31° slope, S aspect; limestone geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Butte County: Challis National Forest: Lost River Range: lower Ramshorn Canyon, 12.4 air mi N of Arco.
Well developed soil in xeric shrub-steppe vegetation; 28° slope, SSW aspect; alluvial geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Butte County: Challis National Forest: Lost River Range: low ridge just NE of the confluence of North Fork and South Fork Deer Creek, 16.6 air mi ENE of Mackay.
44.044° N, -113.33193° W; NAD83, uncertainty 10 m., Field Notes
Sandy or gravelly soil in xeric shrub-steppe vegetation; 18° slope, WSW aspect; silty, sandy limestone geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Custer County: Big Lost River Valley: north end of Leslie Butte, 8 air mi ESE of Mackay.
Bedrock or scree in xeric shrub-steppe vegetation; 5° slope, ESE aspect; silty, sandy limestone geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon River Canyon along U.S. Hwy 93, breaks just SE of the confluence of Warm Springs Creek and the Salmon River, 19.7 air mi S of Salmon.
In xeric coarse textured soil on barren ground, 35 degree slope, ESE aspect, rhyodacite geology. 25-75 plants estimated. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Along U.S. Hwy 93 on west side of Salmon River on breaks just N of Cronks Canyon, 19.1 air mi NNE of Challis.
Dominant population in xeric coarse textured soil within a mountain mahogany vegetation, 23 degree slope, E aspect, rhyodacite geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: McKim Creek between the Forest Service boundary and North Fork McKim Creek, 24.6 air mi NNE of Challis.
<25 plants estimated in xeric coarse textured soil within roadside vegetation, 24 degree slope, SSW aspect, rhyodacite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Southern Salmon River Mountains: Bradshaw Gulch, 3/4 mi NW of Lower Bradshaw Spring, 13.8 air mi S of Challis.
Dominant population in xeric coarse textured soil within a dry wash, 11 degree slope, NE aspect, trachyandesite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: White Knob Mountains: north side of Alder Creek between Table Mountain and South Fork Alder Creek, 6.1 air mi S of Mackay.
25-75 plants estimated in xeric soil within shrub-steppe vegetation, 9 degree slope, SSW aspect, trachyandesite geology. 25-75 plants estimated. Phenology: flowering & fruiting.
with Craig Scott

U.S.A, Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: hillside on the north side of upper Gerry Gulch, 8.4 air mi NE of Challis.
Dominant population in xeric coarse textured soil within shrub-steppe vegetation, 18 degree slope, S 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, 18.7 air mi W of Mackay.
25-75 plants estimated in xeric coarse textured soil on barren ground, 14 degree slope, WSW aspect, trachyandesite geology. 25-75 plants estimated. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Bitterroot Range: Badger Spring Gulch from the edge of Big Flat, ca 8 air mi N of Salmon.
Breaks with loose sediments of sand and clay, sagebrush grasslands below to scattered ponderosa pine above. Phenology: flowering.
Annotated by Joshua J. Irwin.
with Joshua J. Irwin

U.S.A., Idaho, Butte County: Big Lost River Valley: ca 3 air mi ENE of Moore at the base of the Lost River Range.
Sagebrush-grassland below limestone outcrop; northern portion disturbed and planted in crested wheatgrass with natives persisting; terrain level to undulating Phenology: flowering.
with Emma E. Stewart

U.S.A., Idaho, Butte County: Appendicitis Hill, ca 0.5-1 air mi N of Rocky Canyon, ca 2.5-2.8 air mi WSW of Moore; ca 8.5-8.8 air mi NW of Arco.
Limestone outcrops with Cercocarpus ledifolius, Petrophyton caespitosum, and Juniperus. Phenology: flowering.
with Emma E. Stewart

U.S.A., Idaho, Butte County: Lemhi Range: south end of the range at edge of Little Lost River Valley, ca 2 mi NW of intersection of Ida Hwys 22 and 33, ca 25 air mi NE of Arco.
Sandy area among Juniperus osteosperma. Phenology: flowering.
with Emma E. Stewart

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: lower Cow Creek, 4.5 air mi NE of Ellis.
On lower steep slope, often in shrubs or on rubble. Phenology: flowering & fruiting.
with Joshua J. Irwin, Emma E. Stewart

Penstemon eriantherus var. redactus ()
Limestone outcrop and soil. Phenology: flowering.
, 91730. //.

U.S.A., Montana, Beaverhead County: Beaverhead Valley: slopes above Beaverhead River, ca 8 air mi NE of Clark Canyon Reservoir, ca 11 air mi SW of Dillon.
Steep, south-facing sagebrush grasslands. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Beaverhead Valley: low hills on east side of Beaverhead River, ca 1.5 air mi E of Clark Canyon Reservoir, ca 19 air mi SW of Dillon.
Dry, rocky drainage in sagebrush grasslands. Phenology: flowering.

U.S.A., Montana, Madison County: Sweetwater Creek, ca 24 air mi ESE of Dillon, ca 9 air mi S of Ruby River Reservoir.
Rocky, sparsely vegetated grassland slopes. Phenology: flowering.

U.S.A., Montana, Madison County: Southern foothills of Tobacco Root Mountains: Alder Gulch, ca 5 air mi NW of Virginia City, ca 7 air mi NNE of Ruby River Reservoir, along Mont Hwy 287.
Rocky Juniperus scopulorum woodland. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Blacktail Mountains: unnamed canyon between Cottonwood Creek and Price Creek, ca 23 air mi SE of Dillon, ca 14 air mi NW of Antone Peak.
Juniperus scopulorum woodland. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Sage Creek Hills: Spring Gulch, ca 4 air mi NE of Dell, ca 17 air mi SE of Clark Canyon Reservoir.
Dry, rocky draw with Artemsia tridentata. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Beaverhead Valley: Henneberry Gulch, ca 13 air mi SW of Dillon, ca 4 air mi NW of Gallagher Mountain.
Rocky sagebrush steppe on steep, south-facing slopes. Phenology: flowering.

U.S.A., Montana, Madison County: Snowcrest Range: Ledford Creek, ca 16-18 air mi S of Ruby River Reservoir, ca 30 air mi SE of Dillon.
Sagebrush grasslands. Phenology: flowering.

U.S.A., Montana, Madison County: Snowcrest Range: Divide Creek and Pocket Creek, along Forest Road 100, ca 4.5 air mi N of Forest Boundary, ca 7-8 air mi E of Antone Peak, ca 34 air mi S of Virginia City.
Dry, eroding badlands with sparse vegetation cover. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Western Centennial Mountains: Bean Creek, ca 3 air mi N of Idaho, ca 10 air mi W of Lakeview.
Sparsely vegetated, eroding soil and rock outcrops. Phenology: flowering.