Packera plattensis (2003)
ASTERACEAE
Packera plattensis (Nutt.) W. A. Weber & Á. Löve
U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: western edge of Duck Creek Breaks, immediately E of Duck Creek on two track road, ca 35 air mi NE of Gillette; ca 15 air mi NW of Oshoto.
Hilly grassland with rocky and clayey bare patches and ravines with ponderosa pine and Rocky Mountain juniper. Phenology: flowering.
Accession: RM (unaccessioned)

Packera plattensis (1992)
ASTERACEAE
Packera plattensis (Nutt.) W. A. Weber & Á. Löve
U.S.A., Idaho, Teton County: [location and coordinates withheld]
Elev. 6050 ft.
Wet meadow/marsh on peaty/marly substrate with Muhlenbergia richardsonis, Pentaphylloides floribunda, Thalictrum alpinum, Triglochin maritimum, and Deschampsia cespitosa. Phenology: flowering & fruiting.
Accession: RM 754087

Packera plattensis (1997)
ASTERACEAE
Packera plattensis (Nutt.) W. A. Weber & Á. Löve
U.S.A., Montana, Madison County: Madison Range: Gallatin National Forest: along Little Mile Creek, ca 20 mi NW of West Yellowstone.
Elev. 7000 ft.
T12S R2E S25
Sagebrush-grassland with Eriogonum heracleoides, Erigeron speciosus, and Agastache urticifolia. Phenology: flowering & fruiting.
Accession: RM 819713, Barcode: RM0021320

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: San Juan National Forest: Weminuche Wilderness: Beaver Creek or Trail 560 off West Fork Trail, ca 16 air mi NNE of Pagosa Springs.
Spruce/fir forest with outwashes on south and southeast-facing slopes. Phenology: fruiting.
Accession: RM (unaccessioned)

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.
Annotations:
1. Packera plattensis (Nutt.) W. A. Weber & Á. Löve
Annotated by Grace M. Kostel.
with Grace Kostel
Accession: RM (unaccessioned)

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: butte S of South Branch Blacktail Creek, ca 11 air mi ESE of Oelrichs.
Grassland on top of butte. Phenology: flowering.
Annotations:
1. Packera plattensis (Nutt.) W. A. Weber & Á. Löve
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ridge N of School Section Creek, ca 2.5 air mi E of Windy Butte, ca 6.5 air mi NE of Oelrichs.
Stony slopes of a small butte. Phenology: flowering.
Annotations:
1. Packera plattensis (Nutt.) W. A. Weber & Á. Löve
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ridge N of School Section Creek, ca 2.5 air mi E of Windy Butte, ca 6.5 air mi NE of Oelrichs.
Grassy slopes and stony top of small buttes. Phenology: flowering.

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.

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.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: along Toadstool Road ca 0.5 mi W of Norman Reservoir, ca 14.5 air mi NNE of Crawford.
Elev. 3720 ft.
Roadside. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: mesa ca 1.5-2 air mi S of French Creek and 3/4-1 air mi E of South Fork French Creek, ca 15.5 air mi SE of Hermosa.
Stony, clay grassland area at the bottom of badlands. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: along County Road 18, N of French Creek and ca 1 1/4 air mi W of the Cheyenne River, ca 3 air mi WSW of Red Shirt; ca 18 air mi SE of Hermosa.
Grassy, rocky slopes. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 3 mi SE of Thompson Butte, 12 air mi SE of Rapid City.
Agate bed. Phenology: flowering.

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., 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: fruiting.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 1.5 - 2 air mi S of French Creek and 3/4 - 1 air mi E of South Fork French Creek, ca 15.5 air mi SE of Hermosa.
Gravelly soil. Phenology: flowering.
with B. E. Nelson

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 36 air mi NW of Crawford and 1/4 mi E of Wyoming and W of Forest Road 917.
In silt soils. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 33 air mi NW of Crawford, N of Forest Road 931.
In 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 & fruiting.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: on Forest Road 914, ca. 0.5 mi E of Edgemont Road in bluffs N of roadway.
On buttes in soils of rock and gravel. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 12.5 air mi SW of Kadoka.
In rock beds of red iron soils. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 8.5-9 air mi SSE of Wall in Conata Basin.
Badlands floodplain of deep white clay soil. 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 & fruiting.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 2 air mi SW of Cottonwood.
On grass covered butte, soils are gravel and silty loam. Phenology: flowering & fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: N of Whitewater Creek, ca 11-11.5 air mi SE of Wall and just W of County Road.
On banks and slopes north of the creek, soils are silt to silty clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 13 air mi SE of Wall and just E of County Road.
On banks and side slopes of drainage having silt clay soil. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 9 air mi SE of Wall.
In badlands ephemeral drainage on floodplain with deep, heavy, white clay soils. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 7 air mi SSE of Wall.
In badlands ephemeral drainage on floodplain having deep, heavy, white clay soils. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 7 air mi SSE of Wall.
In badlands ephemeral drainage on floodplain having deep, heavy, white clay soils. Phenology: flowering & fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 5.5 air mi SE of Wall, just W of I-90 Exit 116.
In drainage ditch with wet clay soils. Phenology: flowering & fruiting.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 10-10.5 air mi SE of Cottonwood.
On gently rolling prairie uplands, soils are gravel and silt loams. Phenology: flowering & fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity.
On a badlands clay shelf sloping into a deep-cut drainage, soils are heavy white clay. Phenology: flowering & fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 7.5-8 air mi SSE of Wall in Bloom Basin.
Soils are deep heavy white clay. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains.
Phenology: flowering & fruiting.
Accession: RM 516, Barcode: RM0307949

U.S.A., Wyoming, Goshen County: Table Mountain Wildlife Unit.
41.8563° N, 104.14° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Phenology: flowering & fruiting.
Accession: RM 297711, Barcode: RM0307969

U.S.A., Wyoming, Campbell County: 6 mi E of Weston.
Dry, sandy hills on abandoned field. Phenology: flowering & fruiting.
Charles L. Turner, 37. 6/6/1946.

U.S.A., Wyoming, Sheridan County: Acme Quadrangle: Big Horn Coal Site (SE Extension).
Grassland with scattered silver sagebrush. Phenology: flowering.
with D. G. Bendix and D. G. Reardon

U.S.A., Wyoming, Sheridan County: Near Tongue River, ca 15 mi NE of Sheridan.
Open plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Ca 4 mi NE of Guernsey.
42.319° N, 104.6911° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Rocky grassland with Penstemon and Hymenoxys. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: East Lane.
Creek bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Beulah.
Northern foothills and red beds; grass association; xerophytic. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Ca 4 mi NE of Guernsey.
42.3189° N, 104.6911° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Rocky grassland with Penstemon and Hymenoxys. Phenology: flowering.
Accession: RM 316585

U.S.A., Colorado, Boulder County: Rocky Flats along Colo Highway 93.
T1S R70W S33
Dry, rocky, gravelly roadside. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman.
Accession: RM 745073

U.S.A., South Dakota, Fall River County: Fall River Falls: Hot Springs.
Sandstone rocks. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Black Hills: northern Limestone Plateau immediately S of Forest Road 231 ca 4.0 air mi ESE of O'Neil Pass (U.S. Hwy 85), ca 14.5 air mi SW of Lead.
T3N R1E S36 NW1/4 of NE1/4
Mid north-facing slope with Picea glauca, Aconitum columbianum. Phenology: flowering. Cultivated.
with Patches and Sparky

U.S.A., South Dakota, Jackson County: Bad Lands: Cedar Canyon, Interior.
T3S R18E S26
South-facing cliffs along Great Wall; red cedar association. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Rapid City.
Redbed foothills; east-facing; grass and yucca association. Phenology: flowering.

U.S.A., South Dakota, Custer County: Hermosa.
Red foothills; grass association; xero-mesophytic. Phenology: flowering & fruiting.

U.S.A., South Dakota, Lawrence County: Black Hills: northern Limestone Plateau immediately S of Forest Road 231 ca 4.0 air mi ESE of O'Neil Pass (U.S. Hwy 85), ca 14.5 air mi SW of Lead.
Mid north-facing slope with Picea glauca, Aconitum columbianum. Phenology: flowering. Cultivated.
with Patches and Sparky

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland: Bloom Basin, 5 mi SE and 3.2 mi S of Wall.
Sandy soil along drainage with Agropyron smithii, Bouteloua gracilis, and Stipa viridulus association. Elev closer to 2650 f (+/-) (USGS 7.5') G. Bryson Phenology: flowering & fruiting.
with Chester Garrett
Accession: USFS 483093, Barcode: USFS0072009

U.S.A., Colorado, Larimer County: Horsetooth Gulch.
Phenology: flowering & fruiting.
Annotated by T. M. Barkley in 1960.

U.S.A., Colorado, Larimer County: 6 to 8 mi W of Fort Collins.
Foothills. Phenology: flowering.
Annotated by T. M. Barkley in 1960.

U.S.A., Colorado, Larimer County: Fort Collins.
Phenology: flowering.
Annotated by T. M. Barkley in 1960.

U.S.A., Colorado, Larimer County:
Plains. Phenology: flowering.

U.S.A., Colorado, Weld County: Evans.
Phenology: flowering.
1.
Annotated by M. Craig in 1960.
Earl Lynd Johnston, 400 A. //1908.

U.S.A., Colorado, no county County: Central Colorado.
Earl L. Johnston, 439. //1907.

U.S.A., Colorado, Weld County: Evans.
Phenology: flowering.
Earl L. Johnston, 439. //1909.

U.S.A., Colorado, no county County: Central Colorado.
Earl L. Johnston, 441. //1907.

U.S.A., Colorado, no county County: Central Colorado.

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

U.S.A., Colorado, Denver County: Denver.
Elev. 1610 m.
Moist soil. Phenology: flowering.
with Hazel M. Schmoll and Ira W. Clokey

U.S.A., Colorado, Boulder County: Boulder.
Dry grassland. Phenology: flowering.

U.S.A., Colorado, Boulder County: Near Boulder.
Elev. 1700 m.

U.S.A., Colorado, Boulder County: White Rocks: near Boulder.

U.S.A., Colorado, Boulder County: Near Boulder.

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

Plains and foothills. Phenology: flowering & fruiting.

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

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, 2284. 6/2/1900.

U.S.A., Colorado, Weld County: New Windsor
George E. Osterhout, 2307. 7/4/1900.

George E. Osterhout, 40. 5/28/1892.

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

U.S.A., Colorado, Larimer County: Horsetooth.

George E. Osterhout, s.n.. 6/24/1899.

U.S.A., Colorado, Weld County: Windsor.
George E. Osterhout, s.n.. 5/31/1892.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: along river at Bellview.
70% south slope, rocky loam, park, browse, with backberry and mountain mahogany, steep rocky slopes. Phenology: flowering.
Annotated by S. F. Blake.
Accession: USFS 483089

U.S.A., Colorado, Elbert County: 10 mi S of Deertrail toward Limon.
30% southwest slope, barren sand, plains, road cuts and fills. Phenology: flowering.
Accession: USFS 483084

U.S.A., Colorado, Kit Carson County:
Grassland with Polygala, Penstemon. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Mesa de Maya Region: south slopes of Jesus Mesa.
Xeric tall grass prairie with Andropogon gerardii, Bouteloua curtipendula, B. hirsuta, Hilaria jamesii, Schizachyrium scoparium. Phenology: flowering.

U.S.A., Colorado, Boulder County: City of Boulder Open Space Lands; E of Doudy Draw.
Dry mesa top, widely scattered Pinus ponderosa and Yucca glauca, Arenaria fendleri and Castilleja sessiliflora. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 29.5 air mi S of Torrington, ca 3 air mi W of La Grange on Wyo Hwy 151 by Bear Creek.
41.639° N, 104.2221° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
In clay in borrow pit with Rosa woodsii and Calylophus lavandulifolius. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Eightyfive Divide; ca 7 air mi S of Montana, 5 mi E of Hwy 59.
Rolling plains and sandstone outcrops; plains. Phenology: fruiting.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Rolling, sandy plains, sandstone outcrops, ponderosa pine on slopes; gravelly ridge crest. Phenology: flowering.

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

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 5 air miles NNE of Spotted Horse.
Dissected benchland with ponderosa pine covered and open slopes; open slope. Phenology: flowering & fruiting.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: Eighty-five Divide, ca 11 air mi W of Rockypoint.
Hills with sandstone outcrops. Phenology: flowering & fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: Eighty-five Divide, ca 8 air mi WSW of Rockypoint.
Hills. Phenology: fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: between Rocky Pass and Long Canyon, ca 1.3 air mi NW of Hartville; ca 4.7 air mi N of Guernsey.
Rocky slopes below limestone flats with scattered junipers and ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek and adjacent plains W of County Road 191, ca 4 air mi S of La Grange; ca 34 air mi S of Torrington.
Steep sparsely vegetated slopes below mixed grass plains. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Weston County: Black Hills: Scott Canyon off Stockade Beaver Creek; ca 5 air mi E of Newcastle.
With mountain mahogany on north canyon rim. Phenology: flowering & fruiting.
with Beth Burkhart, Patches

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

U.S.A., Wyoming, Crook County: Black Hills: (Snider Ranch), upper Corral Creek drainage ca 14 air mi W of Sundance.
Open, grassy south- and east-facing slopes. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Government Valley, ca 8 air mi NNE of Sundance.
Grassland on red shale soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassy slopes below quarry. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland. ( ) From field notes. 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 forest with many openings (logged). Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: Stockade Beaver Creek drainage between Sherwood and Sheldon Canyons; ca 6 air mi ENE of Newcastle.
West-facing slope with mountain mahogany, rocky-sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Open south- and west-facing slopes. Phenology: flowering & fruiting.

Grassland on rocky soil. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Black Hills: west side of ridge S of Elk Mountain (USFS Road 818) near Mix Spring, ca 13.5 air mi SE of Newcastle.
Southeast-facing slope with scattered ponderosa pines and Rocky Mountain junipers. Phenology: 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, Goshen County:
Sand sage, with Penstemon and Opuntia Flower yellow. Phenology: flowering.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 12 air mi SW of Springfield.
Buffalo grass, Opuntia sp., grazed upland shortgrass prairie. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
with Laura E. Lukus

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.
Meadows and grassy slopes with small patches of silver sagebrush. Phenology: flowering.
with Hans Hallman
Accession: USFS 886209, Barcode: USFS0055401

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: on Forest Road 3102A ca 1-1.5 air mi SE of junction of Mont Hwy 323 and Prairie Dale Road, ca 8-8.5 air mi SE of Ekalaka.
Meadow. Phenology: flowering.
with Hans Hallman
Accession: USFS 886208, Barcode: USFS0055400

U.S.A., Montana, Powder River County: Custer National Forest: Ashland District: Red Shale Campground and vicinity on U. S. Hwy 212 above East Fork Otter Creek, ca 6 air mi E of Ashland.
Forb and grass flats. Phenology: flowering.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland District: on the divide between East Fork Otter Creek and Wilbur Creek on Wilbur Creek (Forest Road 4775), ca 13 air mi E of Ashland.
Steep, slumping clay slopes with large barren areas. Phenology: flowering & fruiting.

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., South Dakota, Harding County: Custer National Forest: North Cave Hills: in Schleichart Draw, just N of Forest Road 3120, ca 0.5 air mi W of Schleichart Draw Reservoir, ca 5.5 air mi W of Ludlow.
Grass-dominated mesa. Phenology: flowering.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: King Mountain Hiking and Riding Area: in and around East Fork O' Dell Creek ca 2.5 air mi E of O' Dell Creek or Forest Road 4131, ca 12.5 air mi S of Ashland.
Grass and silver-sage dominated draw. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Eastern Plains: near Seaman Hills, ca 22 air mi NE of Lusk, above Alum Creek.
On upper slope among sandstone outcrop, northeast aspect, sandy loam, with Rhus aromatica, Achnatherum hymneoides. Uncommon. Phenology: flowering.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: ca 0.5 air mi E of Fletcher Reservoir between Forest roads 4792 and 47921, ca 27.5 air mi SSE of Ashland.
Draw with green ash, juniper, and ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Ca 0.5 air mi W of Otter Creek Road, ca 0.5 air mi S of Custer National Forest boundary, ca 30 air mi SSE of Ashland.
Ponderosa pine and grass-dominated rolling woodland. Phenology: flowering.

U.S.A., Montana, Powder River County: Ca 0.5 air mi W of Otter Creek Road, ca 0.5 air mi S of Custer National Forest boundary, ca 30 air mi SSE of Ashland.
Grass and ponderosa pine-dominated draw with juniper, Linum, Tragopogon, and Rhus. 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, Powder River County: Custer National Forest: Ashland Ranger District: E of Forest Road 4775, ca 1.5 air mi SE of East Fork Otter Creek Road, ca 2.5 air mi SSW of Holiday Campground, ca 13.5 air mi E of Ashland.
In and around grazed draw dominated by green ash, hawthorn, chokecherry, and Symphoricarpos. Phenology: fruiting.

U.S.A., Montana, Rosebud County: Custer National Forest: Whitetail District, Green Creek.
In timber along creek. Scattered. Phenology: flowering & fruiting.
Annotated by D. K. Trock in 1999.
with E. W. H. & W. E. L.
Accession: USFS 483091

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: along W side of the West Fork Stillwater River ca 0.5 mi from end of road, ca 12 mi SW of Nye.
Talus slope just W of trail with Senecio canus, Penstemon deustus, Erigeron compositus, and Anaphalis margaritecea. Phenology: flowering & fruiting.
Annotated by D. K. Trock in 1999.

U.S.A., Montana, Lincoln County: Kootenai National Forest: Stonehill or east bank of Kootenai River.
In the wet mud, on sandy river bank. Sparse. Phenology: flowering & fruiting.
Annotated by D. K. Trock in 1999.

U.S.A., Montana, Custer County: U.S. Range Livestock Experiment Station: Pasture D: south side of Hogback Ridge.
In rocky soil Phenology: flowering & fruiting.

U.S.A., Montana, Custer County: Northern Rocky Mountains: U.S. Range Livestock Experiment Station; draw above Indian Springs.
T7N R43E S33
In sandy soil. Scarce. Phenology: flowering & fruiting.

U.S.A., Montana, Big Horn County: Custer National Forest: East Fork Hanging Woman Creek.
In open grassland. Phenology: flowering.

U.S.A., Nebraska, Scotts Bluff County: 1.2 mi E of Melbeta on HW 92.
Mesic situation between HW and RR. Few. Phenology: flowering.

U.S.A., Nebraska, Kearney County: Minden.
Phenology: fruiting.
Harry Hapeman, s.n.. 5/23/1899.

U.S.A., Nebraska, Kearney County: Newark: Platte Valley.
Harry Hapeman, s.n.. 5/24/1912.

U.S.A., Nebraska, Morrill County: Redington Gay road: 6.5 mi S of HW 26.
On open prairie; in mesic soil. Abundant within isolated population. Phenology: flowering & fruiting.

U.S.A., Nebraska, Morrill County: Redington Gay road: 6.5 mi S of HW 26.
On open prairie; in mesic soil. Abundant within isolated populations. Phenology: flowering & fruiting.

U.S.A., Nebraska, Brown County: Longpine.

U.S.A., Nebraska: Inman.

U.S.A., Nebraska, Garfield County: Lake States (Prairie States Forestry Project): 7.4 mi W and S of Ericson.
Slope 10%, southeast aspect; upland. Phenology: flowering & fruiting.

U.S.A., South Dakota, Brookings County: Vicinity of Brookings.
Phenology: fruiting.

U.S.A., North Dakota: Glyndon.
Phenology: fruiting.
Wilhelm G. Solheim, s. n.. 7/12/1929.

U.S.A., North Dakota: Leeds.
Prairies. Phenology: flowering & fruiting.

Packera plattensis ()
U.S.A., North Dakota:

U.S.A., North Dakota, Billings County: Badlands: Near Medora and Theodore Roosevelt National Memorial Park.
In the badlands; brushy hills and grassland; clayey soil. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., North Dakota, Cass County: Fargo.
Dry prairie. Phenology: fruiting.

U.S.A., North Dakota: Verona.

U.S.A., Nebraska, Lancaster County:
Accession number duplicated in the database: specimen verified as correct. Phenology: flowering.

U.S.A., Colorado, No county County: Routt National Forest.
In rocky soil; on rocky hillsides in aspen and sage. Phenology: fruiting.

U.S.A., Colorado, No county County: Routt National Forest.
Rocky soil. Phenology: fruiting.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: King Mountain Hiking and Riding Area: in and around East Fork O' Dell Creek ca 2.5 air mi E of O' Dell Creek or Forest Road 4131, ca 12.5 air mi S of Ashland.
Grass and silver-sage dominated draw. Phenology: flowering.
Accession: (unaccessioned), Barcode: USFS0050045

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: USFS0050514

U.S.A., Wyoming, Platte County: Ca 18 mi NW of Wheatland.
42° 13.3' N, 105° 15' W; unknown, , GPS reading
Grassland, with Rosa and Pinus ponderosa. Flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Platte County: Canyon below Guernsey Dam.
Rocky slope, with Calochortus and Opuntia. Flowers yellow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 0.4 km N of Spring Creek and ca 1.0 km NW of confluence of Patten Creek and Broom Creek.
Elev. 1470 m.
zone DMC, 518600E, 4696350N; unknown, GPS reading
Gentle to moderate slopes; disturbed mixed grass prairie; loam; with Melilotus officinalis, Agropyron desertorum, Bromus tectorum, Erigeron spp. Scattered to common; erect, fibrous rooted herb; 3-4 dm tall; leaf arachnoid; disk yellow; ray yellow. Phenology: flowering & fruiting.
Carlos A. Popolizio, 632B. 6/12/1996.
with Donald L. Hazlett

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 0.9 km NW of Rocky Pass, ca 1.6 km W of Webb Canyon Road.
zone DMC, 520600E, 4687900N; unknown, GPS reading
Moderate to steep slopes; mixed juniper woodland and mountain mahogany scrubland; rocky loam with cryptogam; with Juniperus scopulorum, Cercocarpus montanus, Yucca glauca, Gutierrezia sarothrae, Stipa spp. Scattered; erect, fibrous rooted, perennial herb; 3-4 dm tall; leaf arachnoid; disk yellow; ray yellow. Phenology: flowering & fruiting.
Carlos A. Popolizio, 668. 6/11/1996.
with Nancy E. Hasting, Rosalie M. Smith, Donald L. Hazlett

U.S.A., Wyoming, Platte County: Camp Guernsey: Broom Creek Canyon, ca 0.8 km S of Patten Creek, ca 0.8 km SE of Spring Creek.
Ephemeral creek and canyon walls; canyon walls and slopes; sandy loam creek bottom and calcareous sandstone walls; with Bromus inermis, Pinus ponderosa, Juniperosa scopulorum, Ribes spp. Locally common; erect, fibrous rooted, perennial herb; 40-60 cm tall; disks yellow; rays yellow. Phenology: flowering.
Patricia P. Douglas, 104. 6/13/1995.
with B. E. Nelson, Carlos A. Popolizio, Rosalie M. Smith

U.S.A., Wyoming, Platte County: Camp Guernsey: Walsh Ranch parcel; north end of transect ca 2.0 km due W of Range Guard 4, ca 7.2 km NE of Guernsey Reservoir.
Rolling; mixed grass prairie; silty loam; with Pascopyrum smithii; Vulpia octoflora, Poa secunda, Oenothera caespitosa. Scattered; erect, fibrous rooted, perennial herb; 3.5 dm tall; disk yellow; ray yellow. Phenology: flowering.
with P. Block

U.S.A., Wyoming, Crook County: 7 mi NW of Hulett.
Dry sunny slopes. Phenology: flowering & fruiting.
2. Senecio plattensis Nutt.