Erigeron glabellus var. glabellus (1997)
ASTERACEAE
Erigeron glabellus Nutt. var. glabellus
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: flowering.
Accession: USFS 853959, Barcode: USFS0037978

Erigeron glabellus var. glabellus (1997)
ASTERACEAE
Erigeron glabellus Nutt. var. glabellus
U.S.A., Wyoming, Park County: Northern Absaroka Area: Legg Creek area along the South Fork Shoshone River, South Fork Road, ca 1.8 air mi SW of Hunter Creek Road turnoff.
Along stream and alluvial fan and disturbed areas. Phenology: flowering.
Accession: USFS 853958, Barcode: USFS0037977

Erigeron glabellus var. glabellus (2002)
ASTERACEAE
Erigeron glabellus Nutt. var. glabellus
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-grassland. Phenology: flowering & fruiting.
Annotations:
1. Erigeron glabellus Nutt. var. glabellus
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

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.
Accession: RM 731548, Barcode: RM0045831

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: south side of Crow Peak ca 1/2 mi N of U.S. Hwy 14, 16, & 20.
Elev. 7200 ft.
In large level meadow with Festuca idahoensis, Danthonia intermedia, Antennaria rosea and Erigeron glabellus. Phenology: flowering & fruiting.
Accession: RM 731794, Barcode: RM0045830

U.S.A., Montana, Stillwater County: [location and coordinates withheld]
Elev. 3600 ft.
Weedy riparian area with Salix amygdaloides, Acer negundo, Populus deltoides and Medicago lupulina. Phenology: flowering.
Accession: RM 779771

U.S.A., Idaho, Fremont County: [location and coordinates withheld]
Elev. 5480 ft.
Seasonally wet meadow between forks of creek with Veronica perigrina, Plagiobothrys scouleri, Wyethia amplexicaulis, and Allium geyeri.
Accession: RM (unaccessioned)

U.S.A., Idaho, Teton County: [location and coordinates withheld]
Meadow and riparian area along river with Iris missouriensis, Allium geyeri var. tenerum, Zizia aptera, and Salix lutea.
Accession: RM (unaccessioned)

U.S.A., Montana, Park County: [location and coordinates withheld]
Disturbed, weedy riparian area with Iris missouriensis, Salix lutea, Symphoricarpos occidentalis, and Berteroa incana. Phenology: flowering.
Accession: RM 782706, Barcode: RM0103901

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: Gallatin National Forest: along Suce Creek, ca 8 mi SE of Livingston.
Openings in coniferous forest with Nemophila breviflora, Collomia linearis, and Lithophragma parviflorum. Phenology: flowering.
Accession: RM 782768, Barcode: rm0103862

U.S.A., Montana, Sweet Grass County: [location and coordinates withheld]
Disturbed, weedy riparian area and field with Bromus tectorum, Medicago lupulina, and Poa pratensis. Phenology: flowering & fruiting.
Accession: RM 783795, Barcode: rm0103874

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Bridger-Teton National Forest: along Gros Ventre Road (Forest Road 30400) at Little Cow Creek, 30 mi E of Jackson.
Sagebrush-grassland with Stipa richardsonii, Eriogonum umbellatum var. majus, and Leucopoa kingii. Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park: 1/4 mi of Pilgrim Creek, ca 1/8 mi S of U.S. Hwy 191/287.
Sagebrush-grassland with Arenaria congesta, Artemisia tridentata var. vaseyana, and Festuca idahoensis. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Madison Valley: South Madison Fishing Access along the east side of the Madison River, ca 25 mi S of Ennis.
T10S R1E S6
Riparian community adjacent to river with Betula occidentalis, Salix bebbiana, and Smilacina stellata. Phenology: flowering & fruiting.

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

U.S.A., Montana, Sweet Grass County: Absaroka-Beartooth Mountains: Gallatin National Forest: Hells Canyon Campground along Boulder River, 35 mi SW of Big Timber.
Just southeast of campground on rock outcroppings in open Douglas fir forest with Festuca idahoensis, Lomatium cous, and Antennaria anaphaloides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone Plateau: Yellowstone National Park: along the east side of Hellroaring Creek, ca 1 mi N of the Yellowstone River.
Sagebrush-grassland with Phlox longifolia, Festuca idahoensis, and Erigeron linearis. Phenology: flowering & fruiting.
Accession: RM 822247, Barcode: rm0023925

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: Dilabaugh Buttes and Dilabaugh Spring, ca 6 air mi W of Schoettlin Mountain; ca 12 air mi E of Roundtop Mountain.
Moist spring at base of buttes with dense graminoids, willows, and aspen; organic soil. Phenology: flowering.
Accession: (unaccessioned)

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: rim ca 5 air mi NW of Continental Peak; 3 air mi E of Dickie Springs.
Spring at base of north facing rim with dense grasses and Populus; wet organic soil. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gray Hills: N of Gros Ventre River, ca 2 air mi NW of west end of Upper Slide Lake, ca 21 air mi ENE of Jackson.
Blue spruce forest on floodplain.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gray Hills: ridge E of Slate Creek and slope to east, ca 5 air mi NW of west end of Lower Slide Lake.
Aspen grove and meadows.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Gros Ventre Wilderness Area: ridge E of Crystal Creek, ca 14 air mi SE of Kelly.
Coniferous forests and margins along trail. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Sublette County: Gros Ventre Area: ca 5 air mi NW of Bondurant.
Along river. Phenology: flowering.
with Stuart Markow

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Spread Creek, ca 5 air mi SW of Black Rock Ranger Station.
Bluffs overlooking creek, often sandy, slopes and along creek, and wooded areas. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Shadow Mountain, 6 air mi NE of Moose from base of mountain to and above Antelope Springs.
Grassy and wooded valley. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: highland N of Lower Gros Ventre Drainage and S of Ditch and Slate Creeks: 4 air mi NE of Crystal Creek Campground.
Along creek. Phenology: flowering.
Accession: (unaccessioned)

U.S.A., Wyoming, Washakie County: Tensleep Preserve, The Nature Conservancy: southwest flank, foothills of the Big Horn Mountains, ca 10 mi E of Ten Sleep; in Canyon Creek Canyon along the Ponderosa Trail well below where the Ponderosa Pine Trail joins Canyon Creek. Old Maid Gulch quad.
Ponderosa pine-juniper community very near base of dry slope in canyon; growing with juniper, Mahonia repens, Pinus ponderosa, Rhus aromatica, Equisetum, Heterotheca, etc.; steep slope, litte south of east-facing (110 deg) slope. Phenology: flowering & fruiting.
with Richard L. Larimore, Paul Marcum, Mary Ann Feist, Daniel T. Busemeyer

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: along East Lake Creek Trail 1880, ca 5 air mi S of Edwards.
Aspen woodland. Phenology: flowering & fruiting.
with Brian Elliott

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Rock Creek Ridge, from Pine Creek Ski Area
Grassy and wooded slopes. Phenology: flowering.
with Charmaine Refsdal

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Southern Sublette Range: Chalk Creek, ca 7 air mi N of Cokeville.
Hillside seeps, streamside, and sagebrush canyon bottom. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Sublette Range: ridge between Mill and Corral creeks, ca 7 air mi NNE of Cokeville; ca 32.5 air mi NW of Kemmerer.
Meadow-swale in sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: public access to Big Creek, ca 17 air mi SE of Encampment; ca 7.6 air mi N of Colorado.
Riparian area along creek. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 13 air mi ENE of Hermosa.
In agate/rock bed, soils interstices are clay. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Pueblo de Taos Indian Reservation: pasture area W of road to Pueblo, ca 0.5 mi W of Taos Pueblo.
Open grassland/wetland with Carex lanuginosa, Equisetum laevigatum, Juncus balticus and groups of Salix and Typha in the moistest areas. Phenology: flowering & fruiting.
with James Lucero

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Pedro Mountains: south side of range W of County Road 291, ca 12 air mi NE of Seminoe Dam.
Sagebrush flats. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Bar C Creek W of Hazelton or County Road 81, ca 56 air mi ESE of Thermopolis.
Spring and freshwater creek. Phenology: flowering & fruiting.

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.
Dry drainage dominated by graminoids and shrubs. Phenology: flowering.
Accession: USFS 843705, Barcode: USFS0025112

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: 1 mi W of Ed Young Mountain; ca 14 air mi S of Lander.
Disturbed parking area. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: highland N of lower Gros Ventre drainage and S of Slate Creek, ca 4 air mi NE of Crystal Creek Campground.
Along creek. Phenology: flowering.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: Echo Basin area, ca 3.5 air mi ENE of Mancas; along Forest Road 567 by boundary gate and up to creek.
Ponderosa pine, oak, Symphoricarpos, Prunus, and Amelanchier. Phenology: buds.
with Fallon Judkins

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Little Laramie River, ca 5 air mi SE of Centennial.
Moist banks and flood plains. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Hams Fork, ca 4 air mi SE of Kemmerer.
Moist banks and flood plain. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Horseshoe Bend, Green River, ca 42 air mi NW of Rock Springs.
Moist flood plain. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Green River, ca 25 air mi NW of Rock Springs.
Moist banks. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Sweetwater River Canyon, ca 34 air mi SE of Lander.
Along river banks. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Wetlands and Adjacent Areas: Bear River, ca 1.5 air mi SE of Evanston.
Flood plains. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Wetlands and Adjacent Areas: Henrys Fork, ca 21 air mi SE of Mountain View.
Moist sandy flood plains. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Big Sandy River, ca 18 air mi NNW of Farson.
Sandy river banks and flood plains. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Green River, ca 12 air mi NNE of La Barge.
Moist banks. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: confluence of Pine Creek and Fremont Lake, ca 3 air mi N of Pinedale.
Tree-covered, submerged hummocks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Green River, ca 45 air mi NW of Rock Springs.
Moist banks. Phenology: flowering.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Oak Creek, ca 14 air mi N of Beulah; ca 25 air mi NE of Sundance.
Dry Quercus-Pinus uplands with fine black sand. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Dell Creek, ca 24 air mi SE of Jackson.
Moist flood plains Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Boulter Lake, ca 30 air mi ESE of Pinedale. Also sec 25.
Sandy, open, moist shore of lake. Phenology: flowering & fruiting.
with Jonathan Hughes

U.S.A., Wyoming, Teton County: Jackson Hole.
Tending to form clumps on land once plowed. "Moose" Phenology: flowering & fruiting.
with Ruth A. Nelson

U.S.A., Wyoming, Sublette County: Lander Creek.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Cummins.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone National Park: Soda Butte.
On bottom lands along the creek. Phenology: flowering & fruiting.
with Elias Nelson

U.S.A., Wyoming, Teton County: Yellowstone National Park: Snake River "(Bridge)".
On sandy flats. Phenology: flowering & fruiting.
with Elias Nelson

U.S.A., Wyoming, Albany County: Antelope Basin.
Margins of copses. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Bacons Ranch.
Meadows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Huttons grove.

U.S.A., Wyoming, Sheridan County: Big Horn Coal Site: along Tongue River.
Moist, grassy openings in riparian woodland along the river. Phenology: flowering.

U.S.A., Wyoming, Teton County: Jackson Hole: along Jenny Lake.
43.7675° N, 110.7168° W; NAD 83, uncertainty 0.5 mi., Digital Map
Margin of lake. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Wyoming, Sublette County: Big Piney.
42.5453° N, 110.1147° W; NAD 83, uncertainty 1 mi., Digital Map
Drier saline meadow. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Wyoming, Carbon County: Freezeout Hills.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along the river immediately W of Horse Creek Picnicground, just N of U.S. Hwy 14, 16, & 20.
Weedy riparian community with Bromus inermis, Alyssum desertorum and a few Populus angustifolia. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along W side of Elk Fork Creek, ca 2-3 mi S of U.S. Hwy 14, 16, & 20.
Open, disturbed habitat adjacent to or on dirt road. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along U.S. Hwy 14. 16, and 20, ca 1/4 mi W of Chimney Rock.
In meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 6 mi S of U.S. Hwy 14, ca 0.5 mi N of Cabin Creek and W of Eagle Creek.
On ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along north side of U.S. Hwy 14, 16, & 20 at Big Game Campground, ca 25 mi W of Cody.
In disturbed area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Teton National Forest: 2 mi N of Phillips Canyon.
East 2 deg slope; sandy loam; park community, with sagebrush and grasses. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Shoshone National Forest: South Fork Ranger Station pasture.
Dry, rocky soil; plentiful. Phenology: flowering.
Annotations:
2. Erigeron glabellus Nutt. var. glabellus
Annotated by Guy L. Nesom on 8//1984.

U.S.A., Wyoming, Big Horn County: Shell.
with C. E. Moore

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

U.S.A., Wyoming, Carbon County: Arlington along I-80.
Phenology: flowering.

U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley: south side of North Fork Shoshone River, E of Big Game Campground, 27 1/4 air mi W of Cody.
Streamside bar with sandy and gravelly alluvium; Salix exigua community with Lupinus polyphyllus. Phenology: flowering.
with S. Gottschlich and R. Bechtloff

U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley; south side of North Fork River, E of Big Game Campground, 27 1/4 air mi W of Cody.
First terrace; sandy and gravelly alluvium; Populus balsamifera community with Elaeagnus commutata. Phenology: flowering.

U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley: north side of North Fork Shoshone River above confluence with Clearwater Creek, 30.8 air mi W of Cody.
Stream bar seedling community with Populus angustifolia and Trifolium hybridum. Phenology: flowering.
with S. Gottschlich and R. Bechtloff

U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley; ca 100 m W of North Fork channel; 32.8 air mi W of Cody.
Wet meadow; silty and gravelly alluvium; Elymus cinereus community. Phenology: flowering.
with S. Gottschlich and R. Bechtloff

U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley; south side of North Fork Shoshone River, E of Big Game Campground, 27 1/4 air mi W of Cody.
Stream bar, tall shrub and sapling community with Salix lutea, S. lasiandra and Populus angustifolia; gravelly alluvium. Phenology: flowering.

U.S.A., Wyoming, Park County: Shoshone National Forest: South Fork Shoshone River Valley: west side of South Fork Shoshone River, E of one-room schoolhouse, 33.4 air mi SW of Cody.
Alluvial terrace; woodland with Populus angustifolia and Betula occidentalis. Phenology: flowering.

U.S.A., Wyoming, Park County: Shoshone National Forest: Clarks Fork Yellowstone River Valley: north side of Clarks Fork, ca 0.5 mi below confluence with Crazy Creek, 45 air mi NW of Cody.
Picea glauca, Salix boothii, Juncus balticus community; mixed alluvium. Phenology: flowering.
Gillian Walford, 977. 8/3/1993.

U.S.A., Wyoming, Teton County: Teton National Forest: Jackson.
Level slope; moist soil. Phenology: flowering.

U.S.A., Wyoming, Park County: Shoshone National Forest: Blackwater Creek.
North slope; black loam; scarce. Phenology: flowering.
Annotations:
2. Erigeron glabellus Nutt. var. glabellus
Annotated by Guy L. Nesom on 8//1984.

U.S.A., Wyoming, Carbon County: Medicine Bow National Forest.
Northwest 17 deg slope; loam; timber, with wheatgrass, daisy, and rush. Common. Phenology: flowering.

U.S.A., Wyoming, Park County: Yellowstone National Park: Soda Butte Creek [near Camp Roosevelt].
Sand flat. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Saratoga.

U.S.A., Wyoming, Albany County: Rock River.
Sunny meadows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Along Cottonwood Creek, 30 road mi NW of Wheatland.
Elev. 1616 m.
Creek bed, usually wet early spring, dry mid summer. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: Pole Mountain District: W of Eagle Rock, along the North Branch Middle Fork Lodgepole Creek.
Moist bottomland along the creek; drier slopes along stream; not common. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Range: south side of Wood River, 34 air mi SW of Meeteetse.
Salix boothii/mesic graminoid community on first terrace. Phenology: flowering.

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: Pacific Creek.
43.8713° N, 110.4966° W; NAD 83, uncertainty 2 mi., Digital Map
On first terrace above creek. *Pacific Creek* Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Little Snake River, near Colorado.
41.0052° N, 107.2981° W; NAD 83, uncertainty 0.5 mi., Digital Map
In a Phleum meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Snake River.
Sandy soil along river bottom. Phenology: flowering & fruiting.
with Rua Pierson

U.S.A., Wyoming, Teton County: Gros Ventre River.
43.5667° N, 110.733° W; NAD 83, uncertainty 3 mi., Digital Map
River bottom. Phenology: flowering.
with Rua P. Williams

U.S.A., Wyoming, Teton County: Gros Ventre River.
River bottom. Phenology: flowering.
with Rua P. Williams

U.S.A., Wyoming, Teton County: Gros Ventre River.
River bottom. Phenology: flowering & fruiting.
Annotated by Arthur Cronquist in 1941.
with Rua P. Williams
Accession: RM 160447

U.S.A., Wyoming, Albany County: Laramie Range: Pole Mountain District: Medicine Bow National Forest: W of Eagle Rock.
North facing slope; open dry places, edge of the aspen bottom of the slope; common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Bates Hole: Bates Creek, ca 2 1/4 air mi SE of crossing of Wyo Hwy 487, ca 18 air mi S of Casper.
Mature Populus angustifolia gallery forest with sparse understory of patchy shrubs and Bromus inermis on mixed alluvium in bottom of valley. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: North end Laramie Range: Middle Fork Elkhorn Creek S of Casper.
Acer negundo community on first terrace bordering stream with patchy understory of Salix amygdaloides, Crataegus, and Prunus virginiana on alluvium derived from dark shale. Phenology: flowering & fruiting.
Michele Barlow, 98. 7/9/1991.

U.S.A., Wyoming, Lincoln County: Wyoming National Forest: head of Gomm Creek.
East slope; sandy loam; weed-grass community with Aster, bluebell, Poa, and wheatgrass. Patchy. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Star Valley-Greys River in the Afton Area: along Salt River, Star Valley floor 4 mi NW of Afton.
Growing along grassy fence row in lower part of valley within 1/8 mi of river. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: 3 mi SSE of Afton.
Growing in gravel soil of canyon bottom. Phenology: flowering & fruiting.
Orval C. Harrison, s.n.. 7/1/1971.

U.S.A., Wyoming, Fremont County: Near the Washakie County border, along Stove Creek.
T41N R89W S28
Banks of creek. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Ranchester.
Meadow with Trifolium and Taraxacum. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Along Hams Fork, 3 mi E of Opal.
Meadow with Antennaria microphylla and Equisetum laevigatum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Gros Ventre River.
Growing with Oenothera sp. and Rosa sp.; on hillside in open area. Frequent. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Ca 17 air mi NW of Green River; ca 30.5 air mi SW of Farson, in Stevens Flat.
Common with Populus in loamy meadow in river bottom. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Little Goose above Sheridan.
Shady grassy bottoms. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Seedskadee National Wildlife Refuge: ca 6 mi SE of Fontenelle.
Cottonwood community, sandy terrace of green river formation. Phenology: flowering.
with B. Welsh

U.S.A., Wyoming, Sheridan County: Hanna Creek.
Grassy valley meadows. Phenology: flowering.

U.S.A., Wyoming, Albany County: Between Albany and Centennial.
Dry meadows on river bank. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Sweetwater River Valley: Sweetwater Preserve, TNC; ca 5 air mi SW of Sweetwater Station.
Moist, grassy banks of river with thickets of willow and rose. Phenology: flowering.
with Jane Struttmann and Adair Mali

U.S.A., Wyoming, Fremont County: Sweetwater River Valley: north bank of Sweetwater River, ca 1/4 mi E of Alkali Creek.
Grassy banks of river with large patches of Cirsium arvense; and thickets of Salix lutea and S. geyeriana. Phenology: flowering & fruiting.
with Jane Struttmann

U.S.A., Wyoming, Sublette County: Southern Wyoming Range: Big Fall Creek, ca 2 mi W of Bald Knoll; ca 4 mi S of Packsaddle Ridge; ca 24 air mi SW of Big Piney.
South facing shrubby slopes above wetland; community of Artemisia tridentata var. vaseyana, Symphoricarpos oreophilus, Agastache, and Solidago canadensis; soil dry. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Limestone Mountain.
At meadow beside a stream on a southeast facing slope. Phenology: flowering & fruiting.
Annotated by B. E. Nelson in 1987.

U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley; south side of North Fork River, E of Big Game Campground, 27 1/4 air mi W of Cody.
Streamside bar with sandy and gravelly alluvium; Salix exigua community with Lupinus polyphyllus. Phenology: flowering.
Accession: RM 643845

Erigeron glabellus var. glabellus ()
U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley; south side of North Fork River, E of Big Game Campground, 27 1/4 air mi W of Cody.
First terrace; sandy and gravelly alluvium; Populus balsamifera community with Elaeagnus commutata. Phenology: flowering.
Gillian Walford, 549. //.

Erigeron glabellus var. glabellus ()
U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley; north side of North Fork Shoshone River above confluence with Clearwater Creek, 30.8 air mi W of Cody.
Stream bar seedling community with Populus angustifolia and Trifolium hybridum. Phenology: flowering.
Gillian Walford, 657. //.

Erigeron glabellus var. glabellus ()
U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley; ca 100 m W of North Fork channel; 32.8 air mi W of Cody.
Wet meadow; silty and gravelly alluvium; Elymus cinereus community. Phenology: flowering.
Gillian Walford, 777. //.

Stream bar, tall shrub and sapling community with Salix lutea, S. lasiandra and Populus angustifolia; gravelly alluvium. Phenology: flowering.

U.S.A., Wyoming, Park County: Shoshone National Forest: South Fork Shoshone River Valley; west side of South Fork Shoshone River, E of one-room schoolhouse, 33.4 air mi SW of Cody.
Alluvial terrace; woodland with Populus angustifolia and Betula occidentalis. Phenology: flowering.

U.S.A., Wyoming, Park County: Shoshone National Forest: Clarks Fork Yellowstone River Valley; north side of Clarks Fork, ca 0.5 mi below confluence with Crazy Creek; 45 air mi NW of Cody.
Picea glauca, Salix boothii, Juncus balticus community; mixed alluvium. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Range: south side Wood River, 34 air mi SW of Meeteetse.
Salix boothii/mesic graminoid community on first terrace. Phenology: flowering.
Jill Walford, 2208. //.

U.S.A., Wyoming, Crook County: Warren Peaks.
Rocky slope with Lupinus and Geranium. Phenology: flowering.

U.S.A., Wyoming, Converse County: Ca 2 mi E of Esterbrook.
At edge of Pinus ponderosa stand. Common. Phenology: flowering & fruiting.

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: at the junction of Bedrock and Tennessee creeks, along Beeler Gulch and vicinity, ca 35.5 air mi NNW of Steamboat Springs.
Aspen woods. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: along the Snake River on the point E of Deadmans Bar, ca 7.5 air mi SW of Moran; ca 21 air mi NNE of Jackson.
River bank. Phenology: flowering & fruiting.
Annotated by David Scott.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near Snake River, ca 3 air mi SW of Moran; ca 13.5 air mi NE of Moose.
Picea pungens forest adjacent to river. Phenology: flowering & fruiting.
Annotated by David Scott.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near southwest base of Uhl Hill, ca 1.5 air mi S of Moran; ca 15.5 air mi NE of Moose.
Pasture with heavily disturbed areas near base of hill. Phenology: flowering & fruiting.
Annotated by David Scott.
with Nancy Bockino

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near Gros Ventre Junction, ca 4 air mi S of Moose; ca 9 air mi NNE of Jackson.
Riverine community adjacent to river. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: U.S. Hwy 26/89/191, S of Gros Ventre River.
Bottom land with Populus angustifolia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 12.5 air mi NE of Moran Junction; along Gravel Creek.
Along creek.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Bridger-Teton National Forest: along Pacific Creek, ca 5 air mi NE of Moran Junction, ca 35 air mi NE of Jackson.
Roadside.

U.S.A., South Dakota, Fall River County: From the garden, Prairie Gem Ranch, in Smithwick.
T8S R8E S31
Crown characters, stem habit, stem leafiness, early bud incipience are well shown. Originally from the Black Hills, where it is extremely frequent. Phenology: flowering. Cultivated.

U.S.A., South Dakota, Fall River County: Garden grown at Prairie Gem Ranch, Smithwick.
T8S R8E S31
Bloom quite typical in size and color, though the color ranges from practically white to rarely a fraction darker than it appears here. Originally from the Black Hills, or grown from self-sown seed, as frequently occurs. Phenology: flowering. Cultivated.

U.S.A., South Dakota, no county County: Black Hills National Forest.
South slope; moist sandy loam; open park. Phenology: flowering.

U.S.A., South Dakota, no county County: Black Hills National Forest.
On northwest slope; moist sandy loam; open park. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest.
Sandy loam soil; grass cover. Phenology: flowering.
Accession: USFS 477648

U.S.A., South Dakota, Pennington County: Rochford.
Phenology: flowering.

U.S.A., South Dakota, Harding County: Little Missouri Valley: 12 mi N of Crook.
T20N R2E S18
Steppe. Phenology: fruiting.
Annotated by Guy L. Nesom in 1984.

U.S.A., South Dakota, Harding County: West Short Pine Hills.
T17N R1E S13
Phenology: flowering.
Annotated by Arthur Cronquist in 1944.

U.S.A., Wyoming, Albany County: Laramie Range: ca 14.5 air mi SE of Laramie at Vedauwoo Exit.
Creekside Phenology: flowering & fruiting.
with J. Brondum, T. McGowan, and J. Wilson

U.S.A., Wyoming, Albany County: Laramie Range: Turtle Rock, along unnamed creek ca 14.5 air mi SE of Laramie.
Granite hillside, creekside. Phenology: flowering & fruiting.
with J. Brondum, T. McGowan, and J. Wilson

U.S.A., Wyoming, Albany County: Laramie Range: ca 33 air mi NE of Rock River.
Creekside. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: ca 31 air mi NE of Rock River.
Granite outcrops. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: along Ashley Creek, ca 32 air mi NE of Rock River.
Granite outcrops. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: Pine Mountain, ca 32 air mi NE of Rock River.
Southern slope granite outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: ca 9.5 air mi SW of Tie Siding; ca 21 air mi SSW of Laramie.
Old tree harvest site. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., Colorado, Mineral County: Rio Grande National Forest: near Wagon Wheel Gap.
Moist loam, with sedge, grasses, Potentilla and buttercup, east slope. Phenology: flowering & fruiting.
Accession: USFS 477656

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.
Upper steep slopes below red cliffs with juniper, mountain mahogany, and sagebrush. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Colorado, Routt County: Middle Fork Little Snake River: ca 36 air mi NNW of Steamboat Springs; ca 35.5 air mi NNE of Hayden.
Moist shaded slopes along the river. Phenology: flowering.

U.S.A., Colorado, Alamosa County: Rio Grande River.
Also collection number 3738. Phenology: flowering & fruiting.
Annotated by Arthur Cronquist in 1941.

U.S.A., Colorado, Conejos County: Along the Conejos River, north of Antonito.

U.S.A., Wyoming, Converse County: Laramie Range: along Horseshoe Creek just above Trail Creek, ca 6 air mi N of Laramie Peak, ca 6 air mi SW of Esterbrook; ca 28 air mi S of Douglas.
Fine gravelly slopes dominated by annual bromes. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Colorado, Saguache County: Cochetopa National Forest: Cave Creek.
Level, deep clay loam, meadow. Phenology: flowering.
Accession: USFS 477640

U.S.A., Wyoming, Converse County: Laramie Range: N of North Fork Little Medicine Bow River, ca 5 air mi W of Warbonnet Peak, ca 29-30 air mi S of Glenrock; ca 5-5.5 air mi NE of Little Medicine.
Moist sagebrush patch on the lee side of an aspen grove. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Steep gravelly slopes with rock outcrops, "pavement", grassy patches, scattered limber pine, and occasional Douglas fir. Phenology: flowering & fruiting.

U.S.A., Colorado, Conejos County: Espinosa.

U.S.A., Colorado, Alamosa County: Alamosa.
Hay meadow. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Middle Park: near Hot Sulphur Springs.
40.0731° N, 106.102° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
with W. W. Robbins

U.S.A., Wyoming, Albany County: Laramie Range: middle of Big Bear Canyon, ca 2-2.5 air mi W of South Sawtooth Mountain and 1 air mi E to 1.5 air mi NE of Blacktail Peak, ca 28-29 air mi SSW of Douglas.
Meadows and old beaver ponds. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: La Veta.

U.S.A., Colorado, Jackson County: North Park.
George E. Osterhout, 231. 8/18/1894.

U.S.A., Colorado, Larimer County: Estes Park: Mill Gulch.
Mixed collection. Phenology: flowering.
George E. Osterhout, 232a. 6/26/1894.

U.S.A., Colorado, Jackson County: North Park: at a saw mill.

U.S.A., Colorado, Grand County: Sulphur Springs.
George E. Osterhout, 3611. 8/8/1907.

U.S.A., Wyoming, Albany County: Laramie Range: near the head of Davidson Creek, ca 4.5 air mi NW of Marshall and ca 4.3 air mi SE of Little Medicine; ca 75 air mi NNW of Laramie.
Among and under limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Laramie Range: above the head of Sleepy Jack and Beaver (Aspen) creeks, ca 2.5 air mi SE of Breakneck Hill, ca 6 air mi NNE of Little Medicine; ca 27.5 air mi S of Glenrock.
Rocky slopes, cliffs and outcrops, and summits with Douglas fir/limber pine woodland, and sagebrush draws and slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North Park.
George E. Osterhout, s.n.. 8/20/1899.

U.S.A., Colorado, Gunnison County: Sapinero.
Mixed collection. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wahatoya Creek.
Elev. 2300 m.
with F. K. Vreeland

U.S.A., Colorado, Saguache County: Cochetopa National Forest: Miner's Creek.
Steep north slope, deep gravelly loam, grassland. Phenology: flowering & fruiting.

U.S.A., Colorado, Pitkin County: Lewis home along Roaring Fork River.
Aspen woodland above riparian zone. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Lewis home along Roaring Fork River.
Open meadows in scattered stands of Picea Engelmanii. Phenology: flowering & fruiting.

U.S.A., Colorado, no county County: Cochetopa National Forest: Hazard Meadow.
Level, black loam. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Rock Creek Ridge, 0.5 air mi S of Pine Creek Ski Area.
Grassy and wooded slopes. Phenology: flowering.
with Charmaine Refsdal
Accession: 608034, Barcode: RM0290927

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Chalk Creek, ca 7 air mi N of Cokeville.
Hillside seeps, streamside, and sagebrush canyon bottom. Phenology: flowering.
with Jane T. Kellett

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: along Middle Threemile Creek, ca 1.5 air mi W of Opal Mountain; ca 15 air mi NNE of Dubois.
T12N R37E S8
Sagebrush-grassland.
with Michelle Nelson

U.S.A., Wyoming, Albany County: Laramie Range: along unnamed branch of Horseshoe Creek, ca 2 air mi NE of Esterbrook; ca 32 air mi SE of Douglas.
North facing slope with sagebrush and grasses. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., Wyoming, Converse County: Laramie Range: Freds Draw, ca 4.5 air mi NW of Esterbrook.
North facing sagebrush/grassland slope. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: The Limestones, along Soldier Creek, ca 3 air mi SE of Esterbrook; ca 35 air mi SE of Douglas.
Meadow. Phenology: flowering & fruiting.
with T. McGowan & T. Freeman

U.S.A., Wyoming, Albany County: Laramie Range: along Laramie River and adjacent hills, ca 35 air mi NE of Rock River; ca 54 air mi NE of Laramie.
Along the river. Phenology: flowering & fruiting.
with T. McGowan & T. Freeman

U.S.A., Wyoming, Albany County: Laramie Range: along unnamed spur of the Laramie River, ca 15 air mi SW of Esterbrook.
Along wet meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Laramie Range: along Monday Creek, ca 10 air mi SW of Esterbrook.
Along dry creek beds, rangeland, and boulder outcroppings. Phenology: flowering & fruiting.

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: west side of Beaver Creek near confluence with Stoddard Creek, ca 16 air mi N of Dubois.
T13N R36E S27; also S35
Moist meadow dominated by forbs and grasses.

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: Williams Fork Mountains: Fish Creek Canyon, ca 19 air mi SW of Steamboat Springs.
Bench above creek.

U.S.A., Wyoming, Albany County: Laramie Range: ca 15 air mi SE of Laramie.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Laramie Range: Muddy Mountain: along Otter Creek, ca 15 air mi SE of Casper.
Creekside. Phenology: flowering & fruiting.
with J. Brondum & T. McGowan

U.S.A., Wyoming, Carbon County: South-central Wyoming: along McCarty Canyon or County Road 503, ca 0.5 mi ENE of the northeast Ketchum Butte, ca 21 air mi NE of Baggs; ca 34 air mi SSW of Rawlins.
T15N R89W S9 NE1/4; also SE1/4 S4
Meadow with salt deposits in the drier parts. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along a small drainage on the south side of Browns Hill or County Road 602, ca 3/4 mi E of Tullis, ca 37.5 air mi S of Rawlins; ca 23 air mi NE of Baggs.
Open aspen woods. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along the Continental Divide on Miller Hill off Miller Hill or County Road 505, ca 18.5 air mi S of Rawlins; ca 6.5 air mi ESE of Bridger Pass.
Drier areas near melting snow. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along the Continental Divide on Miller Hill off Miller Hill or County Road 505, ca 18.5 air mi S of Rawlins; ca 6.5 air mi ESE of Bridger Pass.
Bench along the rim between melting snow and willow thickets-aspen woods. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
North-facing draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: lower elevation draws and slopes from Miller Mountain to the S, ca 2 air mi E of U.S. Hwy 191; ca 29.5 air mi SSE of Rock Springs.
Alcove with aspen. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre: Holyrod Park, near South Fork Big Creek, ca 19 air mi SE of Encampment.
T12N R81W S17
Open dry meadow near creek with Achillea millefolium. Rare. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: Encampment River, ca 4.5 air mi S of Encampment.
T14N R84W S36
Open grassy aspen grove near river. Locally abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Canyon Creek E of Kortes or County Road 291, ca 11.2 air mi S of Alcova townsite.
Creek banks and adjacent wet meadow; grazing disturbance. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: along Willow Creek between Halfturn and Fullturn creeks, ca 3-3.5 air mi NW of Clause Peak, ca 10-11 air mi SE of Hoback Junction, ca 35-36 air mi NE of Afton.
Open areas in valley.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Hobble Creek from Sams Creek to Coantag Creek, ca 20 air mi NNE of Cokeville.
Stream bottom and lower slopes. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Laramie Mountains: 1.8 mi E of Remount or Albany County Road 231, along Duck Creek, N of northeast peak of Twin Mountains.
In black sandy loam of a moist meadow with Valeriana and Zigadenus. Occasional. Phenology: flowering & fruiting.
with Linda Nelson

U.S.A., Wyoming, Teton County: Southwestern Absarokas: flats along Blackrock Creek near Blackrock Ranger Station, ca 8 air mi E of Moran, ca 31.3 air mi NE of Jackson.
Creek bank.
with Neil Snow

U.S.A., Wyoming, Washakie County: Big Horn Mountains: ca 26.5 air mi SE of Ten Sleep, ca 9.5 air mi ESE of Big Trails on Hazelton Road.
Grassy slope. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Cherry Creek, ca 33.5 air mi SE of Ten Sleep, ca 14.5 air mi SSE of Big Trails.
Dry grassy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Red Fork Powder River, ca 27 air mi SE of Ten Sleep, ca 10 air mi ESE of Big Trails.
Along the river bank. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Big Horn Mountains: along Stove Creek on the Nowood Road, ca 15.5 air mi NNE of Lost Cabin, ca 54 air mi NE of Riverton.
Sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Gravelly bench along creek, willow thickets; bench. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 15 air mi SW of Meeteetse, junction of Wood River and the South Fork Wood River.
Aspen forest. Phenology: flowering.
Robert S. Kirkpatrick, 1667. 7/27/1983.
with Ruth E. B. Kirkpatrick and B. E. Nelson

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 45 air mi SW of Cody, at junction of South Fork Shoshone River and Needle Creek.
Sand and gravel bars along the river. Phenology: flowering.
Robert S. Kirkpatrick, 371. 6/30/1983.
with Ruth E. B. Kirkpatrick

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, Sublette County: West Slope Wind River Range: between Willow Lake and Fremont Lake near Trapper Lake Trailhead.
Sagebrush grassland and aspen woodland with series of filled and dried-up ponds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: campground at junction of Sweetwater River and Clear Creek.
Streamsides and slopes; slopes. Phenology: flowering & fruiting.
Annotated by Walter Fertig.
with Jonathan Hughes

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Boulter Lake, ca 30 air mi ESE of Pinedale.
Sandy, open, moist shore of lake. Phenology: flowering & fruiting.
with Jonathan Hughes

U.S.A., Wyoming, Teton County: West Slope Wind River Range: adjacent to Forest Road 30410 and Cottonwood Creek, ca 26 air mi E of Jackson.
Sagebrush adjacent to creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: adjacent to Skyline Drive, ca 2 air mi NE of Pinedale.
Bank of drainage ditch. Phenology: flowering.
with B. E. Nelson

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Kelly Park area, adjacent to Skyline Drive, ca 1.5 mi E of Fremont Lake, ca 7.5 air mi NE of Pinedale.
Dry stream bed and willow grove. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Gros Ventre Wilderness Area: ridge E of Crystal Creek; ca 14 air mi SE of Kelly.
Coniferous forests and margins along trail. Phenology: flowering & fruiting.
with Tom Cramer

U.S.A., Wyoming, Sublette County: Green River Basin: Boulder Creek, 0.5 air mi NW of Boulder.
Streamside, marshy areas, and beneath Populus angustifolia. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Sublette County: Green River Basin: New Fork River, ca 4.5 air mi S of Boulder.
Riverside meadows and cottonwood/willows with adjacent sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: East Fork River, ca 6 air mi E of Boulder.
Riverside meadows, willows, and mudflats. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 1 air mi NE of Big Sandy.
Dry creekbed with adjacent meadows, willow stands, and sagebrush hillsides. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 4.5 air mi NW of Big Sandy.
Roadside ditches between irrigated fields. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Horse Creek, ca 4.5 air mi SE of Merna.
Creekside meadows and willows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: east bank of Green River at south end of Long Island, ca 9 air mi N of La Barge.
River bank, cottonwoods, willows, and mud sloughs. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: south end of Slate Creek Ridge, ca 11.5 air mi NNE of Kemmerer.
Wet meadow draw with sagebrush sides and shrub islands. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Boulder Creek, ca 3.5 air mi N of Boulder.
Creekside and sagebrush slopes. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Big Sandy River, ca 18 air mi N of Farson.
Riverbank. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Water Hole Draw at Big Sandy River, ca 23.5 air mi N of Farson.
Riverside meadows and willows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Irish Canyon at Bridger-Teton National Forest border, ca 5.5 air mi ENE of Big Sandy.
Creekside meadows and willows. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: New Fork River, ca 6 air mi SW of Boulder.
Gravel sagebrush bluffside above river. Phenology: flowering.

U.S.A., Wyoming, Crook County: Sundance Mountain.

U.S.A., Wyoming, Weston County: Inyan Kara Divide.

U.S.A., Wyoming, Weston County: Black Hills: Elk Mountains: at the South Dakota state line, ca 14 air mi SE of Newcastle.
Ponderosa pine slopes and small grassy openings. Phenology: flowering & fruiting.

U.S.A., Colorado, Custer County: [location and coordinates withheld]
By a small pond; pasture.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Warren Peaks near old radar station; ca 6 air mi NNW of Sundance.
Open slope with a few pines, rocky soil. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Oak woods at base of north-facing slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: North Fork of Casper Creek S of County Road 295, ca 9.4 air mi SE of Alcova townsite.
Creek banks dominated by graminoids. Phenology: flowering.

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.
Meadow at bottom of ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: Cold Springs Creek near state line, ca 7 air mi NE of Four Corners.
Meadow in canyon bottom. Phenology: flowering.

Pine forest with chokecherry and snowberry thickets. Phenology: flowering & fruiting.

Pine forest with many openings. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Green Mountain, ca 3 air mi E of Sundance.
Plains with outcrops of Chugwater red beds, Pinus ponderosa covered mountain slopes and summit, and moist shaded limestone canyon; partly wooded slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Buckley Canyon, ca 10.5 air mi SE of Sundance.
Wooded ridge (Pinus ponderosa) with sandstone outcrops, sandy slopes, and meadow; meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: ca 7.5 air mi SE of Sundance.
Pinus ponderosa covered ridge and open sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Bates Creek Reservoir, ca 3 air mi E of County Road 402; ca 13.3 air mi N of Shirley Basin townsite.
Wet meadows and edges of reservoir dominated by graminoids; Potentilla anserina common; disturbed. Phenology: flowering.

U.S.A., Montana, Carbon County: Water Birch Fishing Access on Rock Creek, ca 0.5 mi either way of center of access area.
Stream bottom and adjacent parking lot. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Platte River Wilderness: along Trail 506 and Douglas Creek, 1 air mi E of Pike Pole Campground, ca 44 air mi SW of Laramie; ca 29 air mi SE of Saratoga.
Rocky meadow on south-facing slope; sagebrush dominant. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: Pryor Flats Recreational Area, 0.5 air mi S of County road 102; ca 20.2 air mi SW of Shirley Basin townsite.
Mixed grasses at edge of aspen-limber pine woods. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Wick Brothers Wildlife Management Area: above and E of Wagonhound Creek and ca 1/2 to 3/4 air mi S of I-80, ca 7 air mi SE of town of Elk Mountain.
Old hay meadow. Phenology: flowering.

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Meadows among willow thickets and cottonwood in the river bottom. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Bennet Peak and near North Platte River and campground, ca 28 air mi NE of Encampment and ca 14 air mi SW of Ryan Park.
Banks of the river. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: just S of I-80, Wagonhound Road and Bear Creek, ca 3.5 air mi NW of exit 267 (Wagonhound) and ca 4 air mi SE of Elk Mountain (town).
Stream banks in sagebrush hills. Phenology: flowering.
Annotated by Laura E. Lukas.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: on Exie Road (Forest Road 3119), above and along North Tie Creek, ca 10 air mi WNW of Camp Crook, SD.
Grassy slopes in an old burn. Phenology: flowering.
with Hans Hallman

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: Wickham Gulch in the vicinity of Wickham Spring No. 1, ca 5.5 air mi NW of Camp Creek, SD.
Meadow and bench along stream. Phenology: flowering.
with Hans Hallman

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.
Badlands with grassy patches and strips. Phenology: flowering.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: Wickham Gulch, in the vicinity of Wickham Spring Number 1, ca 5.5 air mi NW of Camp Crook, SD.
Ponderosa pine-dominated upland slope. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: near terminus of eastern-most fork of North End or Forest Road 3124 in and around Mitchell Draw near Lena Spring Number 2, ca 3.5 air mi N of Reva Gap, ca 17.5 air mi E of Buffalo.
Hardwood draw dominated by green ash. Phenology: flowering.
with Grace Kostel, B. E. Nelson

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., South Dakota, Harding County: Custer National Forest: East Short Pine Hills: along Forest Road 3111 ca 1 air mi NE of Moreau Peak, ca 19 air mi SE of Camp Crook.
Grass-dominated grazing land interspersed with chokecherry and green ash thickets. Phenology: flowering.

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: around Aspen Spring, ca 0.5 air mi S of Red Hill and ca 4.5 air mi E of Ekalaka.
Mixed ponderosa pine, hardwood thickets, and grassland. Phenology: flowering.

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: around Aspen Spring, ca 0.5 air mi S of Red Hill and ca 4.5 air mi E of Ekalaka.
Mixed ponderosa pine, hardwood thickets, and grassland.

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: in and around the head of Flasted Draw, 1.5-2 air mi SW of Red Hill and ca 3.5 air mi E of Ekalaka.
Hardwood draw dominated by green ash and chokecherry. Phenology: flowering.

U.S.A., Montana, Carter County: Along Tie Creek Road ca 0.5 air mi S of Belltower Butte ca 24 air mi SSE of Ekalaka.
Ponderosa pine and green ash upland mixed with open, grass-dominated areas. 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.
Top of butte along and near edge of rock face, dominated by ponderosa pine and grasses. Phenology: flowering.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: in and around Brewer Reservoir, just W of Forest Road 3036, ca 13.5 air mi WNW of Camp Crook, SD.
In and around small draw dominated by aspen and surrounded by open ponderosa pine woodland. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in and around draws SE of junction of North Divide or Forest Road 3125 and Forest Road 3145 in the vicinity of Camp Spring, ca 4.5 air mi S of Reva Gap, ca 19 air mi ESE of Buffalo.
In and near flowing water draw dominated by green ash, grasses, and sedges. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: Icebox Canyon, ca 17 air mi N of Buffalo.
Moist to wet draw with green ash, grasses, and sedges. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: just WNW of Riley Pass, among uranium mine tailings, ca 18 air mi NNE of Buffalo.
Disturbed clayey substrate amongst mine tailings. Phenology: flowering.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: in upper Cheesman Draw, just S of Forest Road 3045, ca 8 air mi WNW of Camp Crook, SD.
In unburned draw within historic burn, dominated by quaking aspen and ponderosa pine. Phenology: flowering.

U.S.A., Montana, Valley County: In the vicinity of Saskview Reservoir N to Saskatchewan, ca 18 air mi NW of Opheim.
Flats with areas of alkali. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: Ridge W of Snake Creek and N of Hinsdale North Road, ca 27 air mi N of Hinsdale; ca 46.5 air mi NNW of Glasgow.
Swale. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: On North Frenchman Road, on ridge above Steelman Coulee, ca 8.5 air mi NE of Gray Reservoir, ca 37.5 air mi N of Saco; ca 51 air mi NNE of Malta.
Moist swale. Phenology: flowering.
Joseph L. M. Charboneau, 719. 6/30/2010.

U.S.A., Montana, Phillips County: N of Montana Youth Ranch Road, in Clark Coulee, ca 2 air mi SSW of Hanson Reservoir, ca 18 air mi NNW of Saco; ca 27 air mi NNE of Malta.
Drainage bottoms and dry creekside. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 1302. 7/8/2010.

U.S.A., Montana, Meagher County: 4 mi N of Ringling.
Rays light lavender. Phenology: flowering.
Annotated by Walter Fertig in 1997.
with C. V. Muhlick

U.S.A., Montana: Bozeman.

U.S.A., Montana, Powell County: Flathead National Forest: Big Prairie Ranger Station.
Level ground; deep, fine sandy alluvium; meadow with Poa, Sedum, Erigeron. Common. Phenology: flowering.

U.S.A., Montana, Carbon County: Custer National Forest: McClary Ranger Station.
Sandy loam soil; with Stipa, grama, Agropyron, Carex. Phenology: flowering.

U.S.A., Montana, Carbon County: Custer National Forest: Long Pines: McClary Ranger Station.
Elev. 3650
Moist black loam; draw with rush, sedge, #72, etc. Scattered. Phenology: flowering.

U.S.A., Montana, Powder River County: Biddle.

U.S.A., Montana, Park County: Shields River, north of Wilsall.
Wilhelm N. Suksdorf, 584. 7/24/1921.

U.S.A., Montana, Powell County: Blackfoot River, 16 mi W of Lincoln.
Gravelly prairie. Rayes light blue. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Powell County: South Fork Flathead River: 1 mi NW of Big Prairie Ranger Station, Flathead National Forest.
River bank. Phenology: flowering.

U.S.A., Montana, Teton County: 10 mi E of Gibson Dam, and ca 15 mi NW of Augusta.
Open knolls. Phenology: flowering.

U.S.A., Montana, Flathead County: Columbia Falls.

U.S.A., Montana, Valley County: Along Rock Creek Road at the south edge of Rock Creek Flats, ca 5 air mi S of Thoeny; ca 24 air mi W of Opheim.
Swale and adjacent slopes. Phenology: flowering.

U.S.A., Montana, Valley County: At the end of the Montfort Road 2.5-3 air mi S of Vandalia; ca 10 air mi SE of Hinsdale.
Swale and adjacent slopes. Phenology: flowering.

U.S.A., Montana, Phillips County: Dunbar Coulee, S of North Whitewater Road, ca 5 air mi WNW of Salsbery Reservoir, ca 7.5 air mi NNE of Whitewater; ca 46 air mi NNE of Malta.
Coulee bottom. Phenology: flowering.
Joseph L. M. Charboneau, 4958. 6/12/2011.

U.S.A., Montana, Valley County: Windy Ridge and Papoose Creek, ca 1 air mi SSW of Erie Reservoir, ca 15 air mi N of Hinsdale; ca 36 air mi NW of Glasgow.
Coulee bottom thickets. Phenology: flowering.

U.S.A., Montana, Valley County: Middle Fork Porcupine Creek, S of Baylor Road, ca 2 road mi E of Baylor, ca 14 air mi S of Opheim; ca 34 air mi NNE of Glasgow.
Moist bottoms and creekside. Phenology: flowering.

U.S.A., Montana, Valley County: Kaminsky Hill and area to the N, ca 3.5 air mi N of the West Fork Poplar River, ca 12.5 air mi NE of Opheim; ca 57 air mi NNE of Glasgow.
Wet coulee bottom. Phenology: flowering.
with Josh Lamp

U.S.A., Montana, Valley County: Uhlan Coulee, ca 2.5 air mi W of Porcupine Creek, ca 23 air mi N of Fort Peck; ca 12 air mi NE of Glasgow.
Moist coulee bottoms. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Opheim Hills: Slaughter Coulee, ca 6.5 air mi NNE of Pikes Peak, ca 6.5 air mi WNW of Opheim; ca 48 air mi NNE of Glasgow.
Swales and chokecherry-serviceberry-buffaloberry thickets. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Tomato Can Creek, along Fossum Road, ca 4 air mi S of Saskatchewan, ca 19 air mi WNW of Opheim; ca 53 air mi NNW of Glasgow.
Moist ditches and streambanks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: Bridger Ditch in Bottle Creek drainage, ca 5 air mi WSW of Encampment.
Dry ground near dry ditch. Rare. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Blacktail State Wildlife Management Area: Blacktail Deer Creek, ca 18 air mi N of Lima Reservoir, ca 33 air mi SE of Dillon.
Willow community along a large creek. Phenology: flowering.
Accession: USFS (unaccessioned)

U.S.A., Montana, Beaverhead County: Eastern Centennial Mountains: Centennial Mountains Wilderness Study Area: Corral Creek and tributaries of Hell Roaring Creek, ca 6-8.5 air mi ESE of Upper Red Rock Lake, ca 26 air mi WSW of West Yellowstone.
Dry meadow along an irrigation ditch. Phenology: flowering.
with Nicholas P. Freeland

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.
Badlands with grassy patches and strips. Phenology: flowering.
Accession: (unaccessioned), Barcode: USFS0050536

U.S.A., Montana, Madison County: Gravelly Range: Ruby River and tributaries, ca 7-9 air mi W of Marmot Mountain, ca 23 air mi S of Virginia City.
Thicket of Salix, Cornus, and Betula on low ground along a river. Phenology: flowering.
1. Erigeron glabellus Nutt. var. glabellus .

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: China Meadows Trailhead, ca 5 air mi S of Wyoming.
T2N R14E S7; Center of S7
Meadows and willows. Phenology: flowering & fruiting.

U.S.A, Idaho, Custer County: Challis National Forest: Lost River Range: confluence of Pass Creek and Blue Jay Canyon, 8.8 air mi ENE of Mackay.
25-75 plants estimated in mesic soil within woody riparian vegetation, 6 degree slope, W aspect, limestone geology. 25-75 plants estimated. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Seedskadee National Wildlife Refuge: ca 30 air mi NW of Green River; ca 2.3 road mi S of Headquarters along irrigation ditch.
41.9041° N, 109.8277° W; uncertainty .5 mi., Digital Map
Irrigation ditch for wetland ponds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Seedskadee National Wildlife Refuge: ca 30 air mi NW of Green River; west side of the Green River.
41.9° N, 109.8334° W; uncertainty .5 mi., Digital Map
Grasses and willows in sandy soils. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Hidden Lake Bench, ca 1-2 air mi N of Elk Lake, ca 49 air mi S of Ennis.
Grasslands in openings of a mixed coniferous forest. Phenology: flowering.
1. Erigeron glabellus Nutt. var. glabellus .

U.S.A., Wyoming, Laramie County: Laramie Range: along South Fork Middle Crow Creek, ca 2 mi W of Crystal Lake Reservoir, ca 3.4 mi NE of Buford.
479123E, 4555676N; NAD 83, Specimen Label
Woodland margins of riparian corridor on gravelly loam; with Populus tremuloides, Poa pratensis, Monarda pectinata, and Symphyotrichum albus. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 13 air mi SW of Mountain View; ca 4.1 road mi S of County Road 271 on both sides of road.
Cushion plants and sagebrush on gentle slopes. Phenology: flowering & fruiting.
with R. H. Lathrop

U.S.A., Wyoming, Carbon County: Sierra Madre: along North Fork Encampment River, ca 3.3 air mi WSW of Encampment.
Dry, open meadow but near stream. Rare. Phenology: flowering.
Roger L. Williams, s.n.. 7/21/1997.

U.S.A., Wyoming, Teton County: Jackson Hole: Snake River.
River bottom. Phenology: flowering & fruiting.
with Rua Pierson