: 1.21 $2024-03-28T14:26:02-7:003.235.251.99searchRMUSFS851612 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene55068Ronald L. Hartman David Rosenthal1996710192U.S.A.WyomingParkNorthern Absaroka Area: Sheep Mountain, north-central access from 0.4-0.8 air mi S of County Road 6FU on west branch of central drainage.-109.305144.47917831890Along stream though limestone canyon with some open, grassy areas. Phenology: flowering.RMUSFS851613 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene55988Ronald L. Hartman David Rosenthal1996816229U.S.A.WyomingParkNorthern Absaroka Area: Deer Creek Pass to 1 trail mi NE.-109.759744.140229873170Alpine slopes along trail. Phenology: flowering.RMRM853420 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene16738B. E. Nelson1989621172U.S.A.WyomingParkNorthern Absarokas: on the Reef, ca 2 mi NE of Cathedral Cliffs, ca 33 air mi NW of Cody.-109.5522244.848062286Meadow and open area above limestone cliffs. Phenology: flowering.RMUSFS853423 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1095bDavid Rosenthal1997620171U.S.A.WyomingParkNorthern Absaroka Area: Shoshone National Forest: from Four Bear Trailhead to peak 8245T (Jim Mountain Quad), E of Jim Mountain and NW of Four Bear, ca 2.5 mi E of town of Wapiti on U.S. Hwy 14, 16, and 20.-109.40644.507921342286Sagebrush slopes leading to meadows on north facing slopes. Phenology: flowering.RMUSFS853422 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2611David Rosenthal1997718199U.S.A.WyomingParkNorthern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: Dead Indian Creek Trail, ca 21 air mi NW of Cody.-109.435244.732319511981Sagebrush slopes with scattered limber pine, juniper, and spruce/fir forest in moist areas. Phenology: flowering.RMUSFS853421 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2656David Rosenthal1997718199U.S.A.WyomingParkNorthern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: Dead Indian Creek Trail, ca 21 air mi NW of Cody.-109.435244.703319812073Sagebrush slopes with scattered limber pine, juniper, and spruce/fir forest in moist areas. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene56819bB. E. Nelson Peter Ebertowski2002613164U.S.A.WyomingWestonThunder 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.-104.811844.090213751396Slopes and bottom of a large draw. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene56889B. E. Nelson Peter Ebertowski2002613164U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: Pine Ridge, ca 1 air mi W of Wyo Hwy 116, ca 4.5 air mi N of Upton.-104.610844.146413681408Ponderosa pine/ Rocky Mountain juniper woods on shale. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene57189B. E. Nelson2002618169U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: ridge at the heads of Short and Logan creeks, ca 4 air mi W to WSW of Soda Well; ca 24-25 air mi N of Gillette.-105.379844.629213101378Idaho fescue meadow, scattered sagebrush, disturbed patches, and edge of ponderosa pine forest on scoria ridge. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene57254B. E. Nelson2002618169U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: along West Fork Duck Creek, ca 7.5 air mi NE of Soda Well, ca 28 air mi NE of Gillette.-105.197544.717312011219Grassland and sagebrush-grassland. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene156Peter J. Ebertowski2002618169U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: along ridge running N-S, E and above Short Creek, ca 26 air mi NNE of Gillette; ca 3 air mi W of Weston.-105.379844.643912861378Idaho fescue grassland. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4063Peter J. Ebertowski2003530150U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: badlands ca 1 mi NW of Soda Well, on Forest Road 1247B, ca 31 air mi NNE of Gillette; ca 34 air mi NNW of Moorcroft.-105.278544.702611761250Sagebrush grassland, with ravines containing ponderosa pine and Rocky Mountain juniper. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4079Peter J. Ebertowski2003530150U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: badlands SW of Antelope Creek, on two-track road, ca 34 air mi NNE of Gillette; ca 37 air mi NNW of Moorcroft.-105.278544.746711761213Slope of broad grassy ravine. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4603Peter J. Ebertowski2003610161U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: hills SE of and draining to Dry Forks Spring Creek on two-track off York or Forest Road 900, ca 30 air mi NNE of Gillette; ca 32 air mi NW of Moorcroft.-105.23844.673311891225Stipa comata - Koeleria grassland with patches of Schizachyrium. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5234Peter J. Ebertowski2003620171U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: hills W of Little Powder River S of Coal Creek on dirt road off of Wyo Hwy 59, ca 23 air mi NNE of Gillette; ca 31 air mi NW of Moorcroft.-105.359544.599812041353Watercourses between clay hills and creek. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5693Peter J. Ebertowski2003629180U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: bentonite pit W of East Iron Creek, on Forest Road 914, ca 8 air mi ESE of Upton; ca 20 air mi NW of Newcastle.-104.490144.048112921329Pinus ponderosa forest. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5908Peter J. Ebertowski200373184U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: hills N of confluence of North Fork Duck Creek and Duck Creek, off dirt road to Dickinson Ranch, ca 39 air mi NNE of Gillette; ca 39 air mi NNW of Moorcroft.-105.188344.808611581201Grassy ravine in silver sagebrush grassland. Phenology: fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5931Peter J. Ebertowski200373184U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: low hills N of Flat Creek, on LA Ranch or County Road 10, ca 33 air mi NE of Gillette; ca 31 air mi NNW of Moorcroft.-105.15744.68812681286Silver sagebrush grassland. Phenology: flowering & fruiting.RMRM333334 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6878Keith H. Dueholm1979610161U.S.A.WyomingNatronaPowder River Basin: Willow Creek, ca 18 air mi SSW of Kaycee.-106.7527843.461671615Shaley pine covered slopes above creek, sagebrush plain at summit of hills, sandy flats along creek, lower clay slopes; sagebrush plain. Phenology: flowering & fruiting.RMRM739452 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene21180Erwin F. Evert1991627178U.S.A.MontanaCarbonBeartooth Mountains: Custer National Forest: Sand Dunes Picnic Ground, ca 17 mi NW of Red Lodge.-109.596545.25081676Meadow opening in lodgepole pine forest with Lupinus wyethii, Delphinium bicolor, Arnica sororia, and Koeleria macrantha. Phenology: flowering.RMRM739343 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene21503Erwin F. Evert199178189U.S.A.MontanaParkGallatin Range: Gallatin National Forest: Yankee Jim Canyon, on west side of Yellowstone River, ca 12 mi NW of Gardiner.-110.872745.16781585Sagebrush-grassland/Douglas fir woodland mosaic with Elymus spicatus, Stipa comata, Artemisia tridentata, and Pinus flexilis. Phenology: flowering.RMRM754690 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene22791Erwin F. Evert1992612164U.S.A.MontanaStillwaterCa 1/4-1/2 mi S of Cliff Swallow fishing access site, ca 10 mi W of Absarokee.-109.634545.51611432Ponderosa pine woodland and openings with Arenaria congesta var. lithophila, Agropyron spicatum, Leucopoa kingii, and Claytonia perfoliata Phenology: flowering & fruiting.RMRM754486 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene23893Erwin F. Evert1992717199U.S.A.MontanaGallatinMadison Range: Gallatin National Forest: along trail ca 1 mi SW of Albino Lake, ca 12 mi S of Big Sky.-111.301445.08032195Mesic sagebrush-grassland with Festuca idahoensis, Stipa richardsonii, Pentaphylloides floribunda, and Artemisia cana. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene25092Erwin F. Evert1993619170U.S.A.IdahoFremont[location and coordinates withheld]1670Seasonally wet meadow between forks of creek with Veronica perigrina, Plagiobothrys scouleri, Wyethia amplexicaulis, and Allium geyeri.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene25191Erwin F. Evert1993620171U.S.A.IdahoTetonTarghee National Forest: Big Hole Mountains: along south side of Milk Creek Road, ca 4 mi S of Idaho Hwy 33.-111.329643.81792088Sagebrush-grassland with Viola vallicola, Microseris nutans, Phlox longifolia, and Wyethia amplexicaulis.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene25588aErwin F. Evert1993629180U.S.A.WyomingHot SpringsSoutheastern Absarokas: ridge 1/4-1/2 mi N and W of Little Grass Creek, in foothills ca 20 mi S of Meeteetse.-108.822543.850720732134Rocky sagebrush-grassland and limber pine woodland with Ipomopsis spicata ssp. spicata, Hymenoxys acaulis, Penstemon laricifolius, and Festuca idahoensis.RMRM610690 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene26589bErwin F. Evert199382214U.S.A.MontanaMadisonMadison Range: Beaverhead National Forest: ca 1/2 mi W of Hammond Creek Ranger Station, 12 mi E of Ennis.-111.526745.35591951Meadow openings and edge of Douglas fir forest with Medicago lupulina, Phleum pratense, Collomia linearis, and Geranium viscosissimum. Phenology: flowering.RMRM783344 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene28793Erwin F. Evert199567158U.S.A.WyomingHot Springs[location and coordinates withheld]14021493Sagebrush-grassland with scattered Juniperus scopulorum, Lewisia rediviva, Koeleria macrantha, and Carex filifolia. Phenology: flowering.RMRM783087 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene29849Erwin F. Evert199576187U.S.A.MontanaSweet GrassBeartooth Mountains: Gallatin National Forest: along West Bridger Creek, ca 15 mi SSE of Big Timber.-109.860745.6181573Meadow opening with Festuca idahoensis, Delphinium occidentale, Microsteris gracilis, and Arnica fulgens. Phenology: flowering.RMRM787145 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene31202Erwin F. Evert1996614166U.S.A.MontanaParkGallatin Range foothills: ridge 1/8-1/4 mi N of Cokedale Road, 6 mi W of Livingston.-110.683445.647115541615Grassland/forbland on south facing slope and rocky breaks with scattered juniper and limber pine. Phenology: flowering & fruiting.RMRM787528 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene31303Erwin F. Evert1996621173U.S.A.MontanaParkAbsaroka Mountains foothills: Gallatin National Forest: 2 1/2 mi NE of Gardiner, 0-1/3 mi N of the Jardine Road.-110.66845.051319352012Sagebrush-grassland on south facing slope with Artemisia nova, Agropyron spicatum, Koeleria macrantha, and Balsamorhiza sagittata. Phenology: flowering.RMRM787415 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene31525Erwin F. Evert1996622174U.S.A.MontanaParkAbsaroka Mountains: Gallatin National Forest: along Gold Prize Creek, 0-1/3 mi E of confluence with Sixmile Creek, 8 mi S of Emigrant.-110.769245.258417071768Grassland/forbland with Festuca idahoensis, Bromus tectorum, and Phacelia linearis on south facing slope north of creek. Phenology: flowering & fruiting.RMRM787877 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene32050Erwin F. Evert199679191U.S.A.WyomingTetonGros Ventre Mountains: Bridger-Teton National Forest: Soda Lake 2 mi S of the Gros Ventre River, 28 mi E of Jackson.-110.257743.53322393Sagebrush-grassland with Danthonia unispicata, Castilleja flava, and Eriogonum brevicaule var. laxiflorum. Phenology: flowering.RMRM818200 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene32804Erwin F. Evert1997610161U.S.A.MontanaCarbonRidge 4 mi NE of Fromberg; 1.5 mi E of U.S. Hwy 310.-108.832445.443311891219Disturbed sagebrush-grassland with Agropyron spicatum, Bromus tectorum, and Alyssum alyssoides. Phenology: flowering.RMRM818774 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene33425Erwin F. Evert1997628179U.S.A.MontanaParkRidge and draw immediately E of the Yellowstone River, ca 2.5 mi S of Livingston.14631493Grassland with some scattered limber pine and Douglas fir. Phenology: flowering & fruiting.RMRM820224 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene34820Erwin F. Evert199862153U.S.A.MontanaCarbonWolf Canyon 1 mi S of the Yellowstone River, ca 14 mi WSW of Laurel.-109.038145.588910971128Sides of canyon in rocky open ponderosa pine forest with Agropyron spicatum, Festuca idahoensis, and Rhus trilobata in the understory. Phenology: flowering.RMRM820358 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene35107Erwin F. Evert1998613164U.S.A.WyomingFremontBridger Mountains: south side of Birdseye Mountain, 1.5 mi SW of Birdseye Pass; 14 mi N of Shoshoni.-108.102243.43491960Sagebrush-grassland with scattered juniper, Carex filifolia, Koeleria macrantha, and Lomatium orientale. Phenology: flowering.RMRM821017 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene35565Erwin F. Evert199878189U.S.A.MontanaSweet GrassAbsaroka-Beartooth Mountains: Gallatin National Forest: Hells Canyon Campground along Boulder River, 35 mi SW of Big Timber.-110.210445.355918901920Just southeast of campground on rock outcroppings in open Douglas fir forest with Festuca idahoensis, Lomatium cous, and Antennaria anaphaloides. Phenology: flowering & fruiting.RMRM822297 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene36513Erwin F. Evert199964155U.S.A.MontanaStillwaterCoal Mine Coulee, ca 10 mi SE of Columbus.-109.140945.57431128Grassland and open ponderosa pine forest with Koeleria macrantha, Agropyron spicatum, Bouteloua gracilis, and Balsamorhiza incana. Phenology: flowering.RMRM822404 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene36603Erwin F. Evert199965156U.S.A.MontanaStillwaterRidge just N of the Huntley Creek Road, 4 mi SW of Columbus.-109.32645.61811891219Grassland and open ponderosa pine forest on south-facing slope with Koeleria macrantha, Cerastium arvense, Pediomelum esculentum, and Zigadenus venenosus var. gramineus. Phenology: flowering & fruiting.RMRM822379 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene36632Erwin F. Evert199965156U.S.A.MontanaSweet GrassRidge ca 1 mi S of the Yellowstone River and 2 mi WSW of Reed Point.-109.572845.705312191250Grassland and open ponderosa pine forest with Purshia tridentata, Geum triflorum, Arnica sororia, and Astragalus miser var. decumbens. Phenology: flowering.RMRM822488 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene36718Erwin F. Evert1999611162U.S.A.MontanaParkAbsaroka Mountains: Yellowstone National Park: Black Canyon of the Yellowstone, along the Yellowstone River between Crevice Lake and Knowles Falls.-110.586245.007717071737Douglas fir forest and openings with Zigadenus venenosus var. gamineus, Geum triflorum, and Collinsia parviflora. Phenology: flowering & fruiting.RMRM822611 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene36829Erwin F. Evert1999620171U.S.A.WyomingParkYellowstone Plateau: Yellowstone National Park: along the east side of Hellroaring Creek, ca 1 mi N of the Yellowstone River.-110.450644.96492012Sagebrush-grassland with Phlox longifolia, Festuca idahoensis, and Erigeron linearis. Phenology: flowering.RMRM822666 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene36920Erwin F. Evert1999710191U.S.A.WyomingParkAbsaroka Mountains: Yellowstone National Park: just E of Slough Creek, ca 3 mi NE of Slough Creek Campground.-110.24744.95042006Rock outcroppings with Penstemon fruticosus, Woodsia scopulina, and Linanthus septentrionalis. Phenology: flowering & fruiting.RMRM738081 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene26606Ronald L. Hartman199076187U.S.A.WyomingTetonMount 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.-110.3843.6463922252408Aspen grove and meadows.RMRM660425 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene51563Ronald L. Hartman1995628179U.S.A.WyomingTetonGros Ventre Area: ca 7 air mi NE of Jackson.-110.636243.547620732103Fen and surrounding sagebrush plains. Phenology: flowering & fruiting.RMRM660423 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene51127Ronald L. Hartman1995623174U.S.A.WyomingTetonMount Leidy Highland Area: Road (FS 30160) 0.7 road mi SW of Hatchet Campground.-110.367243.822422252256Sandy soil with patches of lodgepole pine, aspen, and occasional pond. Phenology: flowering.RMRM660424 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene51147Ronald L. Hartman1995623174U.S.A.WyomingTetonMount Leidy Highland Area: Road (FS 30160) 0.7 road mi SW of Hatchet Campground.-110.367243.822422252256Sandy soil with patches of lodgepole pine, aspen, and occasional pond. Phenology: flowering.RMRM660426 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene51737Ronald L. Hartman1995714195U.S.A.WyomingTetonMount Leidy Highland Area: Spread Creek, ca 5 air mi SW of Black Rock Ranger Station.-110.417143.77822252286Bluffs overlooking creek, often sandy, slopes and along creek, and wooded areas. Phenology: flowering & fruiting.RMRM660427 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene52068Ronald L. Hartman1995716197U.S.A.WyomingTetonMount Leidy Highland Area: ca 6 air mi SSW of Moran.-110.551543.763322252256Grassy area. Phenology: flowering & fruiting.RMRM785851 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene36815Loy R. Phillippe Richard L. Larimore, J. L. Crane, Daniel T. Busemeyer2004614166U.S.A.WyomingWashakieTensleep Preserve, The Nature Conservancy: southwest flank, foothills of the Big Horn Mountains, ca 10 mi E of Ten Sleep. Monument Hill quad.-107.213643.99372042Open upland wet grassland area within the sagebrush-grassland meadow, southwest running (235 deg) with scattered ponderosa pine; area had been recently burned, perhaps previous year; growing with Alyssum desertorum, Antennaria rosea, Arnica sororia, Ray and disk flowers yellow. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3848Joy Handley2000519140U.S.A.IdahoAdamsPayette National Forest and Vicinity: Cuddy Mountains: Wildhorse Canyon across Wildhorse River from Trail Hill, ca 20.5 air mi NW of Council; ca 6.5 air mi SSW of Bear.-116.728244.94099751219Open east-facing hillside dominated by grasses and Symphoricarpos. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4474Joy Handley2000527148U.S.A.IdahoWashingtonPayette National Forest and Vicinity: Buckwheat Flats Research Natural Area: along Sage Creek, ca 5 air mi SW of Midvale; ca 12 air mi SW of Cambridge.-116.842844.44689141036Steep north-facing slope dominated by Pseudotsuga menziesii and mesic shrubs. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4692Joy Handley200061153U.S.A.IdahoAdamsPayette National Forest and Vicinity: Hells Canyon-Seven Devils Scenic Area: along Forest Road 454 at Schoolmarm Gulch, ca 7 air mi N of Cuprum; ca 16 air mi NNE of Oxbow Dam.-116.707945.1874548640Roadside of steep canyon dominated by grasses and shrubs, especially Rhus. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5302Joy Handley Denise L. Fairbanks2000613165U.S.A.IdahoWashingtonPayette National Forest and Vicinity: Hitt Mountains: along 4WD trail at the top of Neil Gulch, just N of Arrowhead Spring, ca 17 air mi NW of Cambridge; ca 19 air mi NW of Midvale.-116.988244.679815241692Pinus ponderosa plantation (approx. 25 yrs old) in mixed conifer forest. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5699Joy Handley2000620172U.S.A.IdahoAdamsPayette National Forest and Vicinity: Salmon River Mountains: west-facing slope of Meadows Hill, just N of Fish Lake, ca 5 air mi SE of New Meadows; ca 6 air mi W of McCall.-116.218544.911914631585West-facing grassy slope. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1099Joy Handley1999629180U.S.A.IdahoAdamsPayette National Forest and Vicinity: Cuddy Mountains Area: Rocky Comfort Flat, ca 21 air mi NW of Council; ca 20.5 air mi W of New Meadows.-116.707944.969913261402Rocky basalt soil dominated by Elymus spicatus and Festuca idahoensis, interspersed with scablands dominated by Poa secunda and Artemisia tripartita. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1433Joy Handley199975186U.S.A.IdahoAdamsPayette National Forest and Vicinity: exclosure just W of Summit Gulch on Forest Road 073 (071), ca 3 air mi SW of Bear; ca 21 air mi W of New Meadows.-116.707944.99891310Dry flat; rocky bastalt soil; former Pinus ponderosa overstory logged and burned. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1816Joy Handley1999712193U.S.A.IdahoAdamsPayette National Forest and Vicinity: Hells Canyon-Seven Devils Scenic Area: Kinney Point ca 6 air mi NNE of Cuprum; ca 23 air mi NW of New Meadows.-116.667145.172921182172Dry subalpine meadow/rocky outcrop; dominated by Festuca idahoensis, with Carex geyeri and some Artemisia tridentata. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene94Joy Handley199968159U.S.A.IdahoWashingtonPayette National Forest and Vicinity: Middle Brownlee Creek Road, above Middle Brownlee Creek and below road, ca 14.5 air mi NW of Cambridge; ca 18.5 air mi NNW of Midvale.-116.907244.708412191250Bench and ridge; basalt, rocky soil; Artemisia tridentata/Purshia tridentata/Elymus spicatus with scattered Pinus ponderosa. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene64148Ronald L. Hartman199961152U.S.A.IdahoWashingtonPayette National Forest and Vicinity: ca 12.5 air mi S of Brownlee Dam.-116.826344.664910821134Volcanic rocky soil, mixed shrub/grassland, steep slope with ephemeral stream. Phenology: flowering & fruiting.RMRM645752 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene35817B. E. Nelson1995629180U.S.A.WyomingLincolnSouthern 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.-110.903542.180920482097Burn in sagebrush-grassland. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene36035B. E. Nelson1995630181U.S.A.IdahoBear LakeBear Lake Plateau: east slope of Boundary Ridge near the head of Poison Creek, ca 0.5 mi W of Wyoming, ca 20 air mi SE of Montpelier; ca 5-5.5 air mi W of Cokeville, Wyoming.-111.062542.09321582280Grassy open area on sagebrush slope. Phenology: flowering.RMRM645706 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene36505B. E. Nelson C. H. Refsdal199578189U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Snow Hollow, ca 1 mi E of Boundary Ridge, Idaho, ca 6 air mi SW of Cokeville; ca 30.5 air mi NW of Kemmerer.-111.03442.03121702274Meadow on sagebrush slope and saddle. Phenology: flowering.RMRM645705 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene36569B. E. Nelson C. H. Refsdal1995710191U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Tunp Range: Rock Creek Ridge ca 3 air mi N of Nugget Canyon and U.S. Hwy 30, ca 15.5 air mi SSE of Cokeville; ca 17.5 air mi WNW of Kemmerer.-110.860141.866921762298Open meadows among sagebrush on ridgetop. Phenology: flowering.RMRM645753 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7692Thomas Cramer Jane T. Kellett1995711192U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: ca 13.5 air mi N of Cokeville; Sublette Range at Raymond Creek.-111.023142.2719512012Grassy hillside with Cercocarpus, and Amelanchier. Phenology: flowering.RMRM800805 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene52437B. E. Nelson Luanne Lum200167158U.S.A.WyomingWashakieBighorn Basin: between Sand Point and Blue Bank Draw, ca 1 3/4 air mi S of Nowater or BLM Road 1404, ca 15 air mi WSW of Big Trails; ca 30 air mi SE of Worland.-107.585143.682715911634Swales and more moist areas on slopes. Phenology: flowering.RMRM800804 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene52568B. E. Nelson Luanne Lum2001610161U.S.A.WyomingParkBighorn Basin: at the head of Sand Spring Draw above Rimrock Basin, ca 9 air mi NE of Meeteetse; ca 25 air mi SE of Cody.-108.742744.233916891731Snow accumulation areas on sandy slopes in the breaks. Phenology: flowering.RMRM800806 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene434cLuanne Lum Michelle Wilson200172183U.S.A.WyomingWashakieBig Horn Mountains: S of Bar C Creek, ca 54 air mi ESE of Thermopolis.-107.162243.520524392454Lodgepole pine and aspen with sagebrush. Phenology: flowering.RMRM803976 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2180Luanne Lum200264155U.S.A.WyomingHot SpringsBighorn Basin: along Black Mountain Road on Lake Creek Divide, ca 22 mi ENE of Thermopolis.-107.785643.668215601585Sagebrush and yucca on shale and sandy soil. Phenology: flowering.RMRM803975 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2394Luanne Lum200268159U.S.A.WyomingHot SpringsBighorn Basin: along Centennial Road, ca 6.1 air mi ENE of Thermopolis.-108.126243.677214781512Juniper and sagebrush on sandstone. Phenology: flowering.RMRM803974 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2669Luanne Lum2002614165U.S.A.WyomingWashakieBighorn Basin: W of Nowood River and Wyo Highway 434, ca 4.5 air mi SE of Tensleep.-107.400143.983313791408Juniper and sagebrush. Phenology: flowering.RMRM803973 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2744Luanne Lum2002614165U.S.A.WyomingWashakieBig Horn Mountains: along Rome Hill or County Road 56 S of Billy Creek, ca 16.2 air mi ESE of Ten Sleep and ca 2.3 air mi W of Monument Hill.-107.179143.968922312238Mountain meadow. Phenology: flowering.RMRM803942 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2937Luanne Lum2002622173U.S.A.WyomingWashakieBig Horn Mountains: along County Road 85 or BLM Road 1419, ca 5.3 air mi ESE of Big Trails and ca 22.5 air mi SE of Ten Sleep.-107.241743.751219422012Sagebrush on sandy soil with cobbles. Phenology: flowering & fruiting.RMRM803941 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3124Luanne Lum2002624175U.S.A.WyomingWashakieBig Horn Mountains: along Wyo Hwy 435, ca 10 air mi ENE of Ten Sleep.-107.279544.098418171865Juniper, pine, and sagebrush on sandy soil with cobbles. Phenology: flowering & fruiting.RMRM803940 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3184Luanne Lum2002624175U.S.A.WyomingWashakieBig Horn Mountains: along Wyo Hwy 435, ca 6.7 air mi ENE of Ten Sleep.-107.259444.112818652036Juniper, pine, and sagebrush on sandy soil with cobbles. Phenology: flowering & fruiting.RMRM803939 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3418bLuanne Lum2002630181U.S.A.WyomingBig HornBig Horn Mountains: along Cold Springs Road S of Medicine Lodge Canyon, ca 10 air mi NE of Hyattville and ca 34 air mi NE of Worland.-107.435144.320824112432Juniper and sagebrush. Phenology: flowering.RMRM803938 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3692Luanne Lum200275186U.S.A.WyomingWashakieBig Horn Mountains: along Forest Road 27 and West Tensleep Creek, ca 12 air mi NE of Ten Sleep and ca 36.5 ENE Worland.-107.259444.15623932426Sagebrush and pine forest. Phenology: flowering.RMRM803907 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5600Luanne Lum2002810222U.S.A.WyomingParkBighorn Basin: along Forest Road 200 at Wood River, ca 21 air mi SW of Meeteetse.-109.141543.924622462256Riparian and mixed coniferous forest. Phenology: flowering.RMUSFS843070 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene337Rob Massatti2005613164U.S.A.WyomingFremontEast Slope Wind River Range and Vicinity: southeast side of Fairfield Hill, ca 6 air mi SW of Lander.-108.84542.744224752554Aspen stand in stream gully. Phenology: flowering.RMUSFS843069 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4624Rob Massatti2006525145U.S.A.WyomingFremontEast Slope Wind River Range and Vicinity: ca 3 mi SW of Weiser Knoll; ca 15 air mi SSE of Lander.-108.625942.601520672173Rocky meadow on limestone. Phenology: flowering.RMUSFS843068 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4679Rob Massatti2006525145U.S.A.WyomingFremontEast Slope Wind River Range and Vicinity: ca 3 mi SW of Weiser Knoll; ca 15 air mi SSE of Lander.-108.625942.601520672173Rocky meadow on limestone. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4750Rachel Newton2006611162U.S.A.WyomingCrookWetlands and Adjacent Areas: Inyan Kara Creek, ca 17 air mi NE of Moorcroft.-104.7285844.448611219Dry Artemisia scrub uplands. Phenology: flowering & fruiting.RMRM742732 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene25809N. Duane Atwood2000620172U.S.A.ArizonaApacheChuska Mountains: 1 mi E of Roof Butte.-109.0778936.460792682Ephemeral pond and adjacent Ponderosa community. Phenology: flowering.RMRM236914 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6296C. L. Porter195372183U.S.A.WyomingHot SpringsOwl Creek Range: (Jones Creek) on Copper Mountain, 9 mi SE of Thermoplis.-108.122343.5691859Meadows. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1985Robin Jones1991711192U.S.A.WyomingHot SpringsOwl Creek/Bridger Mountains: Hogback Ridge, ca 15 air mi NW of Hamilton Dome; ca 35 air mi NW of Thermopolis.-108.719443.9694418902003Northeast-facing slope of ridge composed of sandstone and mudstone.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2210Robin Jones Mabel Jones1991727208U.S.A.WyomingHot SpringsOwl Creek/Bridger Mountains: South Fork Owl Creek.-109.124243.6780525672698Gravel bars, forested points, willows, and seeps in riparian area.RMRM169870 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5721Aven Nelson Elias Nelson189978189U.S.A.WyomingParkYellowstone National Park: Yancey's.-110.430344.93691890In open ground. Phenology: flowering.RMRM20783 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5721Aven Nelson Elias Nelson189978189U.S.A.WyomingParkYellowstone National Park: Yancey's.-110.430344.93691890In open ground. Phenology: flowering.RMRM362288 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1311Betsy E. Neely Alan Carpenter1983626177U.S.A.WyomingLincolnCa 2.5 air mi NW of Kemmerer, SW of Hams Fork.-110.589641.83712195Hardpacked clay soils with Artemisia arbuscula. Phenology: flowering & fruiting.RMRM204606 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene44Charles L. Turner194666157U.S.A.WyomingCampbell20 mi N of Gillette.-105.58144.55541250Sandy clay loam hills, open cedar type. Phenology: flowering & fruiting.RMRM304888 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1282Donald E. Brink L. M. Mayer1977527147U.S.A.WyomingSheridanHidden Water Coal Site.-107.040444.961211891280Sagebrush-grassland. Phenology: flowering.RMRM301572 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene13cDarold W. Sabinske197074185U.S.A.WyomingTetonGrand Teton National Park: near Moose.-110.655443.69142012Big sagebrush area. Phenology: flowering & fruiting.RMRM103898 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4341Edwin B. Payson Lois B. Payson1925710191U.S.A.WyomingSubletteNear Cora.-110.000142.9892317Open places. Phenology: flowering & fruiting.RMRM334641 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2013Erwin F. Evert198075187U.S.A.WyomingParkAbsaroka Mountains: ca 1/4 mi S of North Fork Shoshone River along Fishhawk Creek Trail.-109.8491744.449721951Growing in open along trail with Stipa comata, Myosotis arvensis, and Alyssum alyssoides. Phenology: flowering & fruiting.RMRM611730 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene25387Erwin F. Evert1993627178U.S.A.WyomingHot SpringsSoutheastern Absarokas: foothills and ridge ca 0.5 mi W of Enos Creek, ca 20 mi SSW of Meeteetse.-108.822543.92462012Sagebrush-grassland with Festuca idahoensis, Leucopoa kingii, Antennaria rosea, Cerastium arvense, and with a few scattered Pinus flexilis and Juniperus scopulorum. Phenology: flowering & fruiting.RMRM609252 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6698Erwin F. Evert1984627179U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: ridge along south side of North Fork Shoshone River, between Fishhawk and Mesa creeks, ca 40 mi W of Cody.-109.808344.449719812073Open Douglas fir forest. Phenology: flowering & fruiting.RMRM622572 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene8215Erwin F. Evert198579190U.S.A.WyomingSheridanBig Horn Mountains: ridge W of Story Fish Hatchery buildings and ponds.-106.917544.570116461722On steep, east-facing slope in open Pinus ponderosa forest and in forest openings; calcareous, clayey soil. Phenology: flowering & fruiting.RMRM311040 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene727George R. Hoffman1974623174U.S.A.WyomingJohnson6.3 mi W of Buffalo on U.S. Hwy 16, 0.2 mi from turnoff along gravel road.-106.8113944.331391731Along gravel road; Pinus ponderosa, Spiraea betulifolia habitat type. Phenology: flowering.RMRM264603 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene239Herbert G. Fisser1960714196U.S.A.WyomingFremontSE of Thermopolis and E of Wind River Canyon: North Flank of the Owl Creek Range: Birdseye Pass area.-108.082443.44922134Phenology: flowering & fruiting.RMRM264410 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene472Herbert G. Fisser1961616167U.S.A.WyomingHot SpringsNorth flank of Owl Creek Range: E of Wind River Canyon: Devils Slide, SE of Thermopolis.-108.1258343.5651859Three-tip sagebrush grassland. Phenology: flowering & fruiting.RMUSFS636194 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene262John F. Thilenius1976623175U.S.A.WyomingCampbellThunder Basin National Grassland: Rochelle Hills.-105.11143.599915241554Phenology: flowering.RMRM297871 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene140Orval C. Harrison1975621172U.S.A.WyomingLincolnStar Valley-Greys River in the Afton Area: along Strawberry Creek, 0.9 mi E of U.S. Hwy 89.-110.982542.88631841Growing in gravelly soil along fence rows with Phlox, Comandra, Microseris nutans, and Agoseris glauca. Phenology: flowering.RMRM197373 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene128Robert E. Pfadt1944530151U.S.A.WyomingSheridanSheridan.-106.95844.80511143Phenology: flowering.RMRM391683 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene834Robert J. Hill1973710191U.S.A.WyomingSubletteGreat Divide Basin and adjacent regions: Pinedale Glacial Fields; E of Fremont Lake.-109.7702842.946112256Frequent with Artemisia tridentata. Phenology: flowering & fruiting.RMRM545712 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreeneWY-804Randall J. Bayer Glenn Bilodeau, Daniel Lebedyk198871183U.S.A.WyomingBig HornBighorn National Forest: U.S. Hwy 14A between Lovell and Burgess Junction just N of Medicine Mountain, 7 km W of Sheridan County.-107.88333344.7833332652Roadside slope with Artemisia tridentata and Abies lasiocarpa. Phenology: flowering & fruiting.RMRM293282 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene21Richard F. Harner197468159U.S.A.WyomingCampbellN of Gillette.-105.439244.43441387Phenology: flowering & fruiting.RMRM315624 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene316Robert W. Lichvar1977611162U.S.A.WyomingTetonGros Ventre Mountains: Sheep Creek.-110.635543.51862134Growing with Senecio sp. and Ribes sp.; common in open areas. Phenology: flowering & fruiting.RMRM77959 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene128Seymour S. Sharp1912617169U.S.A.WyomingSheridanHills E of Sheridan.1173Grassy slope. Phenology: flowering & fruiting.RMRM737270 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene8670Thomas W. Nelson Jane P. Nelson1987720201U.S.A.WyomingNatronaOn Muddy Mountain.2286Open pine woodland. Phenology: flowering & fruiting.RMRM580187 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene12612Walter Fertig Phil Shephard and Ann Humphrey1992530151U.S.A.WyomingWashakieWest Slope Big Horn Mountains: TNC Ten Sleep Preserve, Cooks Vee adjacent to Murphy Road on south rim of Canyon Creek Canyon; ca 2 air mi W of Choate Corral.-107.2643.99661841Open canopy, flat, exposed limestone bedrock outcrops with shallow depressions of thin soil. Phenology: flowering.RMRM579369 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene12908Walter Fertig199276188U.S.A.WyomingHot SpringsFoothills of the Absaroka and Owl Creek Mountains: Hill 6613 on northwest bank of Enos Creek, ca 35 air mi NW of Thermopolis.-108.780643.954218591957Grassy, moist drainage in sagebrush thicket at base of cliffs. Phenology: flowering & fruiting.RMRM602521 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene14787Walter Fertig199466157U.S.A.WyomingWashakieWest Slope Big Horn Range: TNC Tensleep Preserve: Cooks Canyon, ca 8 air mi E of Ten Sleep.-107.219843.982218591890Mesic draw on deep, sandy soil in semi-open ponderosa pine-Rocky Mountain juniper grove. Phenology: flowering.RMRM825595 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene741David Scott Geneva Chong2006619170U.S.A.WyomingTetonGrand 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.-110.700943.59842000Area burned in 2003 wildfire. Phenology: flowering & fruiting.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3118Neil Snow198874186U.S.A.WyomingParkSouthwestern Absarokas: Yellowstone National Park: area between Thorofare Creek and Escarpment Creek, vicinity of Throrfare Ranger Station.-110.082544.15572454Dry, rocky meadow.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3167Neil Snow198875187U.S.A.WyomingParkSouthwestern Absarokas: Teton Wilderness: along Thorofare Creek Trail to Coyote Creek, ca 1 mi SE of the southeast corner of Yellowstone National Park.-110.082544.155724542500Lodgepole pine forests and dry, rocky meadows.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene41557Ronald L. Hartman1993722203U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Commissary Ridge, ca 14 air mi N of Kemmerer.-110.56194441.99972222562408Flats along stream, old homestead in aspen grove, and slope with sandstone outcrops. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene22121B. E. Nelson Michelle Nelson1992531152U.S.A.IdahoClarkTarghee 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.-112.12644.38251890Sagebrush-grassland.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1378Stuart Markow B. E. Nelson and Michelle Nelson1991626177U.S.A.IdahoBonnevilleTarghee National Forest: Snake River Range: Palisades Creek, just E of entrance to National Forest, ca 2 air mi NE of Irwin.-111.220743.400817071951Open slope, dominated by forbs and shrubs, mostly Purshia and bunchgrasses.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1606Stuart Markow1991628179U.S.A.IdahoBonnevilleTarghee National Forest: West Slope Snake River Range: Rainey Creek from entrance to National Forest to Corral Canyon, ca 3 air mi E of Swan Valley.-111.240643.473516461768Juniper/grassland, dominated by Juniperus scopulorum and bunchgrass, some riparian.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene556Stuart Markow1991614165U.S.A.IdahoBonnevilleTarghee National Forest: West Slope Big Hole Mountains: Black Canyon, ca 9 air mi from Kelly Canyon Ski Area, adjacent to and N of Snake River.-111.419243.589416461951Riparian and adjacent open area.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6922Stuart Markow199265157U.S.A.IdahoClarkTarghee National Forest: North Slope Western Centennial Mountains: ridge above Pleasant Valley Creek, between White Pine Canyon and Kite Canyon; ca 7 air mi NW of Spencer.-112.29144.424621032195Mostly Balsamorhiza, grasses, Artemisia, and scattered Pseudotsuga.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene8035Stuart Markow1992622174U.S.A.IdahoClarkTarghee National Forest: Western Centennial Mountains: just above Modoc Creek, 1/4 mi S of forest boundary, ca 23 air mi NW of Dubois.-112.351444.496321952256Canyon and low ridges with mostly forbs and grasses, scattered Artemisia and Chrysothamnus.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene8048Stuart Markow1992622174U.S.A.IdahoClarkTarghee National Forest: Western Centennial Mountains: along Modoc Creek, 2 air mi S of National Forest boundary, ca 22 air mi NW of Dubois.-112.351444.48222562286Canyon with mostly Artemisia, many forbs and grasses.RMRM742732 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene25809N. Duane Atwood2000620172U.S.A.ArizonaApacheChuska Mountains: 1 mi E of Roof Butte.2621Ephemeral pond and adjacent Ponderosa community. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1063Jean Wood199569160U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: White Mountain, ca 8 air mi W of Danville along Forest Road 2113 to Forest Road 800.-118.690348.979214021676Southwest facing steppe slopes with scattered Douglas fir and pinegrass; somewhat disturbed by cows with localized weed infestations. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1104Jean Wood199569160U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: White Mountain, ca 8 air mi W of Danville along Forest Road 2113 to Forest Road 800.-118.690348.979214021676Southwest facing steppe slopes with scattered Douglas fir and pinegrass; somewhat disturbed by cows with localized weed infestations. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1119Jean Wood199569160U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: White Mountain, ca 8 air mi W of Danville along Forest Road 2113 to Forest Road 800.-118.690348.979214021676Southwest facing steppe slopes with scattered Douglas fir and pinegrass; somewhat disturbed by cows with localized weed infestations. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1211Jean Wood199569160U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: Lone Ranch Creek areaon west side of Kettle Crest, ca 3 air mi ESE of Danville; along Forest Road 9576 to Forest Road 400.-118.427548.950613411463Steep steppe; edges of Douglas fir/pinegrass. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1394Jean Wood1995627178U.S.A.WashingtonStevensWestern Colville National Forest and Vicinity: Mill Creek Drainage: along Middle Fork of Mill Creek and Bon Ayre Valley on Forest Road 4668, ca 10 air mi NE of Colville.-117.724848.64858841006Old homestead meadows, heavily grazed; creekside and edges of lodgepole pine and cedar/spruce. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1590Jean Wood1995629180U.S.A.WashingtonStevensWestern Colville National Forest and Vicinity: Dry Creek Ridge, ca 8 air mi W of Chewelah, SW of Dry Creek Road.-117.83348.2866701884Mixed Douglas fir forest with rocky ridge and outcrops; small lake, some parts heavily logged; some open field with wet areas. Phenology: flowering & fruiting.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2652Jean Wood1995725206U.S.A.WashingtonStevensWestern Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge: ca 11 air mi SE of Colville at McDowell Lake overlook.-117.659948.4748731762Partially open slopes with numerous rock outcrops; large ponderosa pine and Douglas fir; massive weed infestation in open areas. Phenology: fruiting.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3215Jean Wood1995810222U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: Kettle Crest Trail and Old Stage Road, ca 6 air mi N of Sherman Pass; from trailhead on Albion Hill Road.-118.471348.735916461977South aspect sagebrush balds with scattered large Douglas fir; subalpine fir/lodgepole pine forest with large 1 year-old burn areas. Phenology: flowering & fruiting.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4805Jean Wood Linda Swartz199668160U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: Gibraltar Mountain, ca 1 air mi SE of Republic.-118.68448.61969751158Creek and lakeside through mixed forest to open basaltic balds and ridge tops. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4983Jean Wood1996623175U.S.A.WashingtonStevensWestern Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge, ca 6 air mi SE of Colville; access from Buffalo-Wilson Road.-117.768148.4603701762Rolling terrain with ponderosa pine and smaller encroaching Douglas fir. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5185Jean Wood1996627179U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: Little Vulcan Mountain, ca 3.5 air mi W of Curlew.-118.668448.993510361274South facing slopes and ravines; scattered forest interspersed with steppe and rock outcrops. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5444Jean Wood1996630182U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: west of the Kettle River, ca 2.5 air mi SW of Danville.-118.53748.9649762975West and south facing slopes with rock outcrops and scattered ponderosa pines. Open areas heavily infested with knapweed, cheatgrass, and goatweed. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5571Jean Wood1996630182U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: White Creek above Kettle River, ca 2.5 air mi NE of Curlew.-118.558948.9219670792Open south and west facing slopes. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6463Jean Wood1996725207U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: Lambert Creek, ca 9 air mi NE of Republic.-118.53748.7215115814321994 burn. Phenology: flowering.RMRM1010271 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene32860Ronald L. Hartman Bruce Embury1992621173U.S.A.WyomingLincolnWyoming/Salt River Ranges: Gannett Hills: Spring Creek E to ridge; ca 10 air mi SSW of Afton.-111.023942.613620242399Sagebrush/grassy slopes with scattered Douglas fir, aspen, chokecherry, rabbitbrush, coralberry, and antelope bitterbrush. Phenology: flowering.RMRM1015024 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene41557Ronald L. Hartman1993722203U.S.A.WyomingLincolnWyoming/Salt River Ranges: Salt River Range: Commissary Ridge, ca 14 air mi N of Kemmerer.-110.591941.987522562408Flats along stream, old homestead in aspen grove, and slope with sandstone outcrops. Phenology: flowering.RMRM1015023 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene41985Ronald L. Hartman1993725206U.S.A.WyomingLincolnWyoming/Salt River Ranges: Salt River Range: Little Fall Creek, ca 26 air mi SW of Big Piney.-110.550642.327524322500Grassy slopes with stream bottom and forest margins. Phenology: flowering.RMRM1015022 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene43036Ronald L. Hartman1993731212U.S.A.WyomingLincolnWyoming/Salt River Ranges: Salt River Range: Fontenelle Creek to Commissary Ridge, S of Fontenelle Mountain.-110.649442.399227283033Coniferous forest, grassy slopes, and talus. Phenology: flowering.RMRM931893 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene10067B. E. Nelson1983627178U.S.A.WyomingHot SpringsBighorn Basin: along Left Hand Creek, ca 3 air mi SW of Dickie (LU Ranch); ca 38 air mi NW of Thermopolis.-108.799443.98391829Open limber pine-Douglas fir slopes.RMRM931892 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene15363B. E. Nelson Erik Nelson198865157U.S.A.WyomingBig HornBighorn Basin: Fenton Pass and vicinity and Tatman Mountain, ca 12.5 air mi SW of Burlington, ca 26.5 air mi WSW of Basin.-108.563344.29171859Sagebrush draw.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene20888B. E. Nelson Robin Jones199168159U.S.A.WyomingHot SpringsBighorn Basin: above Red Canyon across from Minnesela Slope, ca 4.5 air mi SW of Thermopolis.-108.285543.608116461676Sagebrush-grassland slopes.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene21729B. E. Nelson1991726207U.S.A.WyomingFremontOwl Creek/Bridger Mountains: Bridger Mountains: ridge and drainage leading from East Fork Dry Creek to Greer Peak on Copper Mountain, ca 12.3 air mi NW of Lysite, ca 39 air mi NE of Riverton.-107.843343.421921032134Moist areas around seep, springs, and along drainage.RMRM347779 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5414B. E. Nelson1980611163U.S.A.WyomingBig HornBig Horn Mountains: below northeast side of Little Mountain near Godes Spring, ca 1 air mi S of Devil Canyon, ca 16 air mi NE of Lovell.-108.0977844.93531829Stony grassy slopes. Phenology: flowering & fruiting.RMRM931895 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7987B. E. Nelson1981611162U.S.A.WyomingWashakieBighorn Basin: Big Cedar Ridge, ca 14 air mi SSW of Ten Sleep on Blue Bank Road.-107.5297243.837221463Grassy sagebrush flats and draws.RMRM931894 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene9732B. E. Nelson Ronald L. Hartman1983621172U.S.A.WyomingParkBighorn Basin: along Spring Creek, ca 2 air mi W of Meeteetse.-108.9047244.160831798RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene70768Ronald L. Hartman Heather Bradtke200166157U.S.A.OregonGrantUmatilla National Forest and Vicinity: Case Ridge on Forest Road 3972.060, ca 2 air mi SE of Dale.-118.93066744.9537510911213Ponderosa pine and Douglas fir, logged, roadside, stream, slope, and crest. Phenology: flowering & fruiting.RMRM930295 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene11281Keith H. Dueholm Ronald L. Hartman1981528148U.S.A.WyomingHot SpringsOwl Creek/Bridger Mountains: Bridger Mountains: Blue Hill; ca 16 air mi SE of Thermopolis.-107.907243.565614021524Loose, shaley slopes of hill, rocky plains on summit, mud around holding pond in drainage below, sagebrush on lower slopes of hill; above holding pond.RMRM324416 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1818Keith H. Dueholm Ronald L. Hartman197864155U.S.A.WyomingCampbell[location and coordinates withheld]1250Grazed sagebrush plains, rocky slopes, railroad right-of-way; railroad right-of-way, plains. Phenology: flowering & fruiting.RMRM324408 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1997Keith H. Dueholm Ronald L. Hartman197867158U.S.A.WyomingCampbellPowder River Basin: White Tail Butte.-105.5422244.804441219Sandy slopes, sagebrush plains, draws, and roadside ditch; plains. Phenology: flowering & fruiting.RMRM324414 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2432Keith H. Dueholm Ronald L. Hartman and Mary Alice Sanguinetti.1978621172U.S.A.WyomingCampbell[location and coordinates withheld]1189Small pond, along roadway, adjacent outwash from plains, and eroded plains; plains. Phenology: flowering & fruiting.RMRM324411 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2601Keith H. Dueholm Ronald L. Hartman and Mary Alice Sanguinetti.1978623174U.S.A.WyomingCampbell[location and coordinates withheld]1158Ponderosa pine slopes, eroded plains; plains. Phenology: flowering & fruiting.RMRM324415 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4563Keith H. Dueholm1978722203U.S.A.WyomingCampbell[location and coordinates withheld]1432Ponderosa pine covered buttes, steep shale and talus slopes, sagebrush plains at summit, ravines; pine slopes. Phenology: fruiting.RMRM333362 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6608Keith H. Dueholm197965156U.S.A.WyomingJohnson[location and coordinates withheld]1707Pine covered uplift, gravelly slopes in open pine forest. Phenology: flowering & fruiting.RMRM334003 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6703Keith H. Dueholm197967158U.S.A.WyomingSheridanPowder River Basin: hills above S R Creek, ca 8 air mi E of Wyarno.-106.596744.79891341Rocky slopes, scoria, sagebrush plains, mesic ravine; crest of slope, among sagebrush. Phenology: flowering & fruiting.RMRM334118 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6741Keith H. Dueholm197969160U.S.A.WyomingSheridanPowder River Basin: ca 8 air mi N of Leiter.-106.253644.82781189Rolling sagebrush plain, shallow draws; plains. Phenology: flowering & fruiting.RMRM333333 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6785Keith H. Dueholm197969160U.S.A.WyomingSheridan[location and coordinates withheld]1219Deep ravine, with ponderosa pine on slopes, and open, clay slopes, sandstone outcrops; outcrops. Phenology: flowering.RMRM333361 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6845Keith H. Dueholm197969160U.S.A.WyomingSheridan[location and coordinates withheld]1402Deep, mesic ravine in high hills, slopes with granite boulders, plum thickets; slopes. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5137Heather Bradtke200261152U.S.A.OregonUmatillaUmatilla National Forest and Vicinity: Horseshoe Ridge, ca 5 mi NE of Meacham.-118.32961145.52444412191371Dry forest edge with fine, deep soil; slope 0-10; aspect ridgetop and easterly. Phenology: flowering.RMRM555677 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3556Robert S. Kirkpatrick198475187U.S.A.WyomingParkAbsaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station.-109.203544.042822862408Meadows with scattered Potentilla fruticosa; dry areas. Phenology: flowering & fruiting.RMRM555678 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3561bRobert S. Kirkpatrick198475187U.S.A.WyomingParkAbsaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station.-109.203544.042822862408Meadows with scattered Potentilla fruticosa; dry areas. Phenology: flowering & fruiting.RMRM555679 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4776Robert S. Kirkpatrick1984724206U.S.A.WyomingHot SpringsAbsaroka Mountains: ca 21 air mi SSW of Meeteetse, 3 mi NW of Cottonwood Peak, in the vicinity of and SE of Twin Lakes.-109.02343.850725602804Picea engelmannii and Abies lasiocarpa forest; dry areas. Phenology: flowering.RMRM555680 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6043Robert S. Kirkpatrick1984825238U.S.A.WyomingParkAbsaroka Mountains: ca 17 air mi SSE of Cody, upper end of Carter Creek ca 1 mi SE of Hidden Lake.-109.204244.319825002682Pinus flexilis and Picea engelmannii forest; dry slopes. Phenology: fruiting.RMRM531162 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene13248Ronald L. Hartman Keith H. Dueholm1981628179U.S.A.WyomingFremontSouthwest flank of Copper Mountain, ca 14 air mi NNE of Shoshoni.-108.042243.43582408South exposure; along road and rocky slopes; precambrian rocks. Phenology: flowering & fruiting.RMRM555681 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene15401Ronald L. Hartman Robert S. Kirkpatrick1983619170U.S.A.WyomingParkAbsaroka Mountains: Bull Creek, ca 2 air mi SE of the South Fork Shoshone River.-109.3063944.349171981Sagebrush-rabbit brush grassland and adjacent creek bottoms. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6844Heather Bradtke2002626177U.S.A.OregonGrantUmatilla National Forest and Vicinity: Forest roads 3990 and 40, ca 12 mi S and 3 mi E of Dale.-118.862544.83527812801402Open area in pumic rock and tan soil; slope:10; aspect: southwest. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene29288Ronald L. Hartman1991627178U.S.A.WyomingFremontOwl Creek/Bridger Mountains: Bridger Mountains: southwest end of Lysite Mountain, ca 11 air mi N of Lost Cabin.-107.643343.450219202134Slopes with outcrops of limestone and sandstone and drainage.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene29401Ronald L. Hartman1991628179U.S.A.WyomingHot SpringsOwl Creek/Bridger Mountains: Bridger Mountains: Red Canyon, Buffalo Creek Road, ca 14 air mi ENE of Thermopolis.-107.946943.579716761707Red beds; grassy slopes and outcrops.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene29510Ronald L. Hartman1991628179U.S.A.WyomingHot SpringsOwl Creek/Bridger Mountains: Bridger Mountains: Blue Hill, Buffalo Creek Road, ca 16 air mi ESE of Thermopolis.-107.907243.565617371829Shales with barren slopes, sagebrush-grassland on top.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene29571Ronald L. Hartman1991628179U.S.A.WyomingFremontOwl Creek/Bridger Mountains: Bridger Mountains: Dry Bridge Road, ca 16 air mi NW of Lysite, South Bridger Creek.-107.823343.46441890Stock pond and adjacent sagebrush slopes.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene29655Ronald L. Hartman1991630181U.S.A.WyomingFremontOwl Creek/Bridger Mountains: Bridger Mountains: just S of Birdseye Pass.-108.082843.452073Spring and surrounding sagebrush area.RMRM324417 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6069Ronald L. Hartman Keith Dueholm197865156U.S.A.WyomingCampbellPowder River Basin: ca 5 air miles NNE of Spotted Horse.-105.8069444.77421280Dissected benchland with ponderosa pine covered and open slopes; open slope. Phenology: flowering & fruiting.RMRM324409 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6275Ronald L. Hartman Keith Dueholm197867158U.S.A.WyomingCampbellPowder River Basin: ca 1 air mi S of Montana and 6.5 air mi W of Wyo Hwy 59.-105.5027844.98781128Dissected slopes near road. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7193Heather Bradtke200271182U.S.A.WashingtonGarfieldUmatilla National Forest and Vicinity: Cape Horn Ridge, ca 8 mi S and 15 mi W of Anatone.-117.44222246.25638911671359Grass steppe in shallow, copper, platey soil; slope: 10; aspect southwest. Phenology: flowering & fruiting.RMRM324410 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6984Ronald L. Hartman Keith Dueholm and Mary Alice Sanguinetti1978622173U.S.A.WyomingCampbellPowder River Basin: ca 12 air mi NE of Weston.-105.1769444.764171189Ponderosa topped hills and flats below. Phenology: flowering & fruiting.RMRM324407 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7039Ronald L. Hartman Keith Dueholm and Mary Alice Sanguinetti1978623174U.S.A.WyomingCampbellPowder River Basin: ca 18 air mi WNW of Rockypoint.-105.46444.96031158Eroded hills with ponderosa pine. Phenology: flowering & fruiting.RMRM324412 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7257Ronald L. Hartman Mary Alice Sanguinetti1978625176U.S.A.WyomingCampbellPowder River Basin: ca 9 air mi SW of Gillette.-105.640844.209441402Low hills with drainage and large shallow pond on flat. Phenology: flowering & fruiting.RMRM324413 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7599Ronald L. Hartman Mary Alice Sanguinetti1978628179U.S.A.WyomingCampbellPowder River Basin: Pumpkin Buttes: North Middle Butte.-105.894443.74311829Top and upper slopes of butte. Phenology: flowering & fruiting.RMRM347781 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene9219Ronald L. Hartman Bob Plouffe and Ann Odasz1979621172U.S.A.WyomingBig HornBig Horn Mountains: ca 9 air mi W of Tyrrell Ranger Station.-107.4230644.204441798Sagebrush flats and eroded slopes. Phenology: flowering & fruiting.RMRM347780 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene9329Ronald L. Hartman Ann Odasz1979625176U.S.A.WyomingSheridanBig Horn Mountains: Little Bighorn River Canyon, ca 17 air mi W of Parkman.-107.673644.975816461829Grassy slopes and limestone outcrops. Phenology: flowering & fruiting.RMRM591638 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2516Walter Fertig1990625176U.S.A.WyomingSubletteWest Slope Wind River Range: Half Moon Lake, ca 8 air mi NE of Pinedale.-109.750642.931423472408Douglas fir/aspen woods. Phenology: flowering & fruiting.RMRM591637 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2641Walter Fertig199072183U.S.A.WyomingSubletteWest Slope Wind River Range: west face of White Rock, adjacent to upper Green River Lake, ca 28 air mi N of Pinedale.-109.819243.27082469Open limestone/shale talus slope at base of mountain. Phenology: flowering & fruiting.RMRM591636 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3067Walter Fertig199076187U.S.A.WyomingTetonWest Slope Wind River Range: adjacent to Forest Road 30410 and Cottonwood Creek, ca 26 air mi E of Jackson.-110.220343.57312317Sagebrush flat. Phenology: flowering & fruiting.RMRM586834 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene8118Walter Fertig1991618169U.S.A.WyomingSubletteWest Slope Wind River Range: Pole Creek drainage and adjacent ridges, between Fayette Lake and Half Moon Lake, ca 9 air mi NE of Pinedale.-109.691142.945623172743Granitic outcrop adjacent to Pole Creek where it enters Half Moon Lake. Phenology: flowering.RMRM586832 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene8203Walter Fertig1991625176U.S.A.WyomingSubletteWest Slope Wind River Range: ridge 0.5 mi SW of Blueberry Lake, 0.5 mi E of Boulder Lake, ca 12.5 air mi E of Pinedale.-109.611742.873123652560Ledges and crevices of open granite rock outcrop. Phenology: flowering & fruiting.RMRM586833 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene8665Walter Fertig199171182U.S.A.WyomingSubletteWest Slope Wind River Range: Scab Creek drainage, ca 17 air mi E of Pinedale.-109.553642.815324392621Open canopy, dry ledges and crevices of granitic outcrop above creek. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene9371Heather Bradtke2002725206U.S.A.WashingtonAsotinUmatilla National Forest and Vicinity: Round Prairie on Smoothing Iron Ridge, ca 3 mi N and 12 W of Anatone.-117.41055646.17666714631524Prairie, sagebrush and grass dominant in brown, powdery to rocky soil. Phenology: fruiting.RMRM599571 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene40291Ronald L. Hartman T. W. Nelson199376187U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1.2 air mi NNW of Waltman.-107.213343.09081899Sandy draw and slopes. Phenology: flowering & fruiting.RMRM632627 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene48543Ronald L. Hartman1994729210U.S.A.WyomingFremontGreen River Basin: Sweetwater Guard Station (foundation remaining) and Campground.-109.060642.557225002530Meadow, streamside, and edge of lodgepole pine forest. Phenology: flowering.RMRM632626 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1547Thomas Cramer Jane T. Kellett199473184U.S.A.WyomingSubletteGreen River Basin: New Fork River, ca 4.5 air mi S of Boulder.-109.741142.6852118Riverside meadows and cottonwood/willows with adjacent sagebrush. Phenology: flowering.RMRM632625 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1814Thomas Cramer Jane T. Kellett199477188U.S.A.WyomingFremontGreen River Basin: hill W of West Pacific Creek, ca 14 air mi SW of South Pass City.-108.972842.343121952314Sagebrush hillside, windswept tops, and badlands. Phenology: flowering & fruiting.RMRM642579 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1928Thomas Cramer Jane T. Kellett1994711192U.S.A.WyomingSubletteGreen River Basin: East Fork River, ca 6 air mi E of Boulder.-109.608142.74222134Riverside meadows, willows, and mudflats. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2017bThomas Cramer Jane T. Kellett1994711192U.S.A.WyomingSubletteGreen River Basin: ca 1 air mi NE of Big Sandy.-109.450842.654422802317Dry creekbed with adjacent meadows, willow stands, and sagebrush hillsides. Phenology: flowering & fruiting.RMRM632624 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2293Thomas Cramer1994723204U.S.A.WyomingSubletteGreen River Basin: Marsh Creek, ca 12 air mi N of Cora.-110.026743.103623472378Creekside meadows and nearby sagebrush. Phenology: flowering.RMRM632623 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2932Thomas Cramer199486218U.S.A.WyomingSubletteGreen River Basin: ca 4.5 air mi NW of Big Sandy.-109.509242.68392185Roadside ditches between irrigated fields. Phenology: flowering & fruiting.RMRM632622 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3100Thomas Cramer199486218U.S.A.WyomingSubletteGreen River Basin: Blucher Creek just S of Bridger-Teton National Forest, ca 12 air mi E of Buckskin Crossing.-109.138642.556425302621Creekside meadows, sagebrush, and lodgepole pine stands. Phenology: flowering.RMRM632621 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3668Thomas Cramer1994812224U.S.A.WyomingSubletteGreen River Basin: Horse Creek, ca 4.5 air mi SE of Merna.-110.281942.91642280Creekside meadows and willows. Phenology: flowering.RMRM632620 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4117Thomas Cramer Ben and Becky Cramer1994819231U.S.A.WyomingFremontGreen River Basin: Sweetwater River, ca 8.5 air mi SW of South Pass City.-108.916442.38422271Riverside meadows, willows, and sagebrush. Phenology: flowering & fruiting.RMRM632619 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4526Thomas Cramer Ronald L. Hartman1994823235U.S.A.WyomingLincolnGreen River Basin: Green River, ca 6 air mi S of La Barge.-110.182942.17471984Riverside meadows and willows. Phenology: flowering.RMRM668113 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7167bThomas Cramer199575186U.S.A.WyomingLincolnGreen River Basin: south end of Slate Creek Ridge, ca 11.5 air mi NNE of Kemmerer.-110.454441.941321642286Wet meadow draw with sagebrush sides and shrub islands. Phenology: flowering.RMRM668112 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7843Thomas Cramer Jane T. Kellett1995713194U.S.A.WyomingSubletteGreen River Basin: Little Prospect Mountain, ca 11.5 air mi ESE of Big Sandy.-109.255442.55592439Sagebrush meadow. Phenology: flowering.RMRM668111 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene8085Thomas Cramer Jane T. Kellett1995715196U.S.A.WyomingSublette[location and coordinates withheld]22562286Cobblestone hillside with sparse sagebrush. Phenology: flowering.RMRM668110 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene8669Thomas Cramer1995720201U.S.A.WyomingSubletteGreen River Basin: ca 10 air mi SW of Daniel.-110.19242.774422252250Gravel hillsides with clay spots and sparse sagebrush. Phenology: flowering.RMRM668109 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene9194Thomas Cramer Jane T. Kellett1995723204U.S.A.WyomingSubletteGreen River Basin: Water Hole Draw at Big Sandy River, ca 23.5 air mi N of Farson.-109.450942.45322103Riverside meadows and willows. Phenology: flowering.RMRM668108 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene9417Thomas Cramer Jane T. Kellett1995725206U.S.A.WyomingSubletteGreen River Basin: Irish Canyon at Bridger-Teton National Forest border, ca 5.5 air mi ENE of Big Sandy.-109.392242.67332378Creekside meadows and willows. Phenology: flowering.RMRM7631 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2155Aven Nelson189673185U.S.A.WyomingCrookSundance.-104.38644.398613411951Phenology: flowering & fruiting.RMRM371244 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1411aHollis Marriott B. E. Nelson1982714195U.S.A.WyomingCrookBlack Hills: Cement Ridge, southeast end, ca 7.5 air mi NE of Moskee; ca 15 air mi ESE of Sundance.-104.061744.351981Dry open rocky ridge and upper slopes. Phenology: flowering & fruiting.RMRM371243 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3159Hollis Marriott1983615166U.S.A.WyomingCrook[location and coordinates withheld]1371Roadside, Ponderosa pine- Bur oak forest. Phenology: flowering & fruiting.RMRM371242 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3300Hollis Marriott1983621172U.S.A.WyomingCrookBlack Hills: Bear Lodge Mountains: Lytle Creek and Newton Hill, ca 8.5 air mi ESE of Devils Tower.-104.5486144.550831402Ponderosa pine-Bur oak forest with many openings (logged). Phenology: flowering & fruiting.RMRM371241 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3381Hollis Marriott1983623174U.S.A.WyomingCrookBlack Hills: tributary to Road Creek off The Bank Land, Graham Ranch, ca 13 air mi W of Sundance.-104.668944.421371Ponderosa pine-Bur oak forest, north-facing slopes and draws. Phenology: flowering & fruiting.RMRM371240 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3543Hollis Marriott1983624175U.S.A.WyomingCrook[location and coordinates withheld]1524Grassland; south, east, and northeast-facing slopes. Phenology: flowering & fruiting.RMRM371239 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6224Hollis Marriott1984522143U.S.A.WyomingWestonBlack Hills: between U. S. Highway 16 and Clay Spur, ca 3.5 air mi NW of Osage.-104.488644.009721280Pinus ponderosa, Juniperus scopulorum on Mowry shale and bentonite. Phenology: flowering.RMRM371238 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6883Hollis Marriott1984619171U.S.A.WyomingCrookBlack Hills: Inyan Kara Mountain (east half).-104.344744.21641646Grassy east facing slope on outer mountain. Phenology: flowering & fruiting.RMRM371237 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7417Hollis Marriott1984627179U.S.A.WyomingWeston[location and coordinates withheld]1463Sagebrush-grassland (Artemisia cana). Phenology: flowering & fruiting.RMRM371236 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7618Hollis Marriott198476188U.S.A.WyomingCrook[location and coordinates withheld]1310Grassy draw with bur oak. Phenology: flowering & fruiting.RMRM371235 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7786Hollis Marriott198479191U.S.A.WyomingCrook[location and coordinates withheld]1432Bur oak woods on lower north slope. Phenology: flowering & fruiting.RMRM371234 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7830Hollis Marriott198479191U.S.A.WyomingCrook[location and coordinates withheld]1554Lower north slope, among talus. Phenology: flowering & fruiting.RMRM371233 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7847Hollis Marriott1984711193U.S.A.WyomingCrook[location and coordinates withheld]1585Pine forest with chokecherry and snowberry thickets. Phenology: flowering & fruiting.RMUSFS402848 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene62Louis Knowles191361152U.S.A.WyomingCrookBlack Hills (Sundance) National Forest.-104.39944.59431371Loam soil. Phenology: flowering & fruiting.RMRM371232 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene17559Ronald L. Hartman198479191U.S.A.WyomingCrookBlack Hills: 9.5 air mi E of Sundance.-104.183344.3951402Ponderosa pine slopes, stream bottom, and meadow; roadside. Phenology: flowering & fruiting.RMRM371231 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene17857Ronald L. Hartman1984711193U.S.A.WyomingCrookBlack Hills: Green Mountain, ca 3 air mi E of Sundance.-104.3261144.42191463Plains with outcrops of Chugwater red beds, Pinus ponderosa covered mountain slopes and summit, and moist shaded limestone canyon; partly wooded slopes. Phenology: flowering & fruiting.RMRM371230 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene18083Ronald L. Hartman1984713195U.S.A.WyomingCrookBlack Hills: Buckley Canyon, ca 10.5 air mi SE of Sundance.-104.222544.304721615Wooded ridge (Pinus ponderosa) with sandstone outcrops, sandy slopes, and meadow; meadow. Phenology: flowering & fruiting.RMRM371229 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene29W. Latady198467159U.S.A.WyomingCrookBlack Hills: Keyhole Reservoir, McKean Site.-104.831744.35891280Pine ridge. Phenology: flowering & fruiting.RMRM568838 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4477Neil Snow G. K. Brown and T. M. Evans.1989614165U.S.A.WyomingCrookBlack Hills: off of State Hwy 112, 21.2 mi S of Montana, ca 62 air mi NE of Gillette.-104.623144.81391371Open forest of Pinus ponderosa and Quercus macrocarpa. Phenology: flowering.RMUSFS860905 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene71736B. E. Nelson Emily Elliott200762153U.S.A.WyomingParkBeartooth Mountains: Shoshone National Forest: ridge S of Line Creek, ca 0.3-0.5 mi S of Montana, ca 37 air mi NNW of Cody.-109.297244.999718442012Slopes of decomposing granite or redbeds with limber pine and Douglas fir. Phenology: flowering.RMUSFS860906 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene13670Brian Elliott2007725206U.S.A.WyomingParkBeartooth Mountains: Shoshone National Forest: Sawtooth Mountain, ca 33.5 air mi NW of Cody.-109.455744.904129633323Mixed conifer forest and granite rock outcrops. Phenology: flowering & fruiting.RMRM938559 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene789Emily Elliott Brian Elliott200764155U.S.A.MontanaCarbonCooney Reservoir along Red Lodge Creeek Road, on south side of reservoir W of dam, ca 18 air mi N of Red Lodge.-109.203745.44441295Slopes around reservoir with sandy soils in mixed Artemisia cana and annual weedy forbs/grasses. Phenology: flowering.RMUSFS860874 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene861Emily Elliott Brian Elliott200764155U.S.A.MontanaStillwaterBeartooth Mountains: along Mont Hwy 420, ca 3/4 mi N of Beehive, ca 31 air mi NW of Red Lodge.-109.71845.488514261634Volcanic tuft (ash substrate) cliffs and surrounding slopes dominated by annual weedy forbs with very few trees, area recently burned. Phenology: flowering & fruiting.RMUSFS867573 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1122Emily Elliott Brian Elliott200768159U.S.A.MontanaParkGallatin Mountains: Gallatin National Forest: along Forest Road 978, ca 14 air mi SW of Livingston.-110.762545.518617802060Steep south-facing open slope dominated by mixed grasses and forbs into outcrop of conglomerates and mixed conifer forest. Phenology: flowering.RMUSFS867574 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1126Emily Elliott Brian Elliott200768159U.S.A.MontanaParkGallatin Mountains: Gallatin National Forest: along Forest Road 978, ca 14 air mi SW of Livingston.-110.762545.518617802060Steep south-facing open slope dominated by mixed grasses and forbs into outcrop of conglomerates and mixed conifer forest. Phenology: flowering.RMUSFS864374 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3475Emily Elliott Brian Elliott2007722203U.S.A.MontanaCarbonBeartooth Mountains: Custer National Forest: W and above West Fork Rock Creek, ca 17.6 air mi WSW of Red Lodge.-109.59345.113329873414Alpine. Phenology: flowering.RMUSFS867579 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3851Emily Elliott Brian Elliott2007730211U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: just SE of Mount Wallace above the head of Grizzly Creek, ca 33.5 air mi SSE of Livingston.-110.456245.185528782975Alpine cirque dominated by Carex with streams running through it. Phenology: flowering.RMUSFS867578 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3899Emily Elliott Brian Elliott2007730211U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: just SE of Mount Wallace above the head of Grizzly Creek, ca 33.5 air mi SSE of Livingston.-110.456245.185528782975Alpine cirque dominated by Carex with streams running through it. Phenology: flowering & fruiting.RMRM938560 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene85622Ronald L. Hartman2007615166U.S.A.MontanaStillwaterBeartooth Mountains: ca 4 air mi SSW of Limestone.-109.934245.43031875Open grassy slopes. Phenology: flowering.RMRM938561 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene85670Ronald L. Hartman2007615166U.S.A.MontanaStillwaterBeartooth Mountains: Beehive Rock and vicinity, 0.5-1 air mi N of Beehive.-109.71245.49814901714Limestone outcrops with slopes; area burned in forest fire in 2006; very motley mix of natives and exotics. Phenology: flowering & fruiting.RMUSFS860875 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene38293B. E. Nelson1996615167U.S.A.WyomingPark[location and coordinates withheld]15001753Bottom of a grassy sagebrush draw. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1377Rick McNeill200873185U.S.A.MontanaMeagherLewis and Clark National Forest: Little Belt Mountains: Forest Road 268, ca 3/4 air mi W of junction with Forest Road 839.-111.061147.00742167Open meadow in a mixed forest, Pseudotsuga menziesii/Picea glauca/Pinus flexilis; on a limestone ridge. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1502Rick McNeill200873185U.S.A.MontanaMeagherLewis and Clark National Forest: Little Belt Mountains: South Fork Tenderfoot Road, ca 2 air mi from junction with Forest Road 589.-111.095546.92041725Riparian zone and meadow NW of road; southwest aspect, 5-30% slope, limestone bedrock. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1554aRick McNeill200873185U.S.A.MontanaMeagherLewis and Clark National Forest: Little Belt Mountains: junction of Forest roads 6503 and 831, ca 7 air mi N of Newland Creek Reservoir.-110.960546.7371952Open ridge leading to forested peak; Pinus contorta and Pseudotsuga menziesii, limestone outcrops. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1733Rick McNeill200876188U.S.A.MontanaFergusLewis and Clark National Forest: Big Snowy Mountains: Neil Creek Trail head, ca 8 air mi NE of Judith Gap.-109.558646.75371802Scattered meadows in Pseudotsuga menziesii forest; south aspect, 5-20% slope. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1818Rick McNeill200877189U.S.A.MontanaFergusLewis and Clark National Forest: Little Snowy Mountains: junction of Forest roads 272 and 273.-109.060246.75641559Old clear cut; west aspect, 5% slope; limestone bedrock. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1870Rick McNeill200877189U.S.A.MontanaFergusLewis and Clark National Forest: Little Snowy Mountains: junction of Forest roads 272 and 271.-109.084446.77771635Open ridge line; north and south aspect, 0-20% slope; limestone bedrock. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1919Rick McNeill200877189U.S.A.MontanaFergusLewis and Clark National Forest: Little Snowy Mountains: at the end of Forest Road 271.-109.010246.79641592Open meadow and forest of Pseudotsuga menziesii; west aspect, 1-5% slope; limestone bedrock. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2020Rick McNeill Cortnee Arrington-Dwyer and Sandy Mathus200879191U.S.A.MontanaChouteauLewis and Clark National Forest: Highwood Mountains: on southeast shoulder of Highwood Baldy, on Forest Road 8830, at first locked gate.-110.631647.413531773Open meadow along shonkinite ridge; Pseudotsuga menziesii forest; running southwest and northwest aspect, 0-35% slope. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene87666Ronald L. Hartman Rick McNeill2008618170U.S.A.MontanaJudith BasinLewis and Clark National Forest: Highwood Mountains: North Fork Little Belt Creek, en route to Highwood Baldy, ca 12 air mi E of Belt.-110.654547.410114481650Coniferous forests and grassy slopes. Phenology: flowering.RMUSFS867577 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4967Emily Elliott Brian Elliott2008624176U.S.A.MontanaSweet GrassBeartooth Mountains: Gallatin National Forest: Derby Mountain along Forest Road 6676, ca 17.5 air mi SSE of Big Timber.-109.875845.58322134In burned area dominated by forbs and rocky ridgetop. Phenology: flowering.RMUSFS867576 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5124Emily Elliott Brian Elliott2008626178U.S.A.MontanaParkGallatin Range: Gallatin National Forest: along Forest Road 2500 and Big Creek at intersection with Hylite Creek, ca 29 air mi SW of Livingston.-110.897245.31091676Shaded riparian area and boggy area along creek. Phenology: flowering.RMUSFS867575 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6997Emily Elliott Brian Elliott200884217U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: between West Boulder Plateau and Falls Creek, ca 33 air mi SSW of Big Timber.-110.32745.428323782865Picea and Pinus flexilis with Vaccinium understory and scattered open talus slopes. Phenology: flowering.RMUSFS867580 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene87861Ronald L. Hartman2008716198U.S.A.MontanaParkBeartooth Mountains: Gallatin National Forest: Sheep Mountain, ca 3.5 air mi N of Cooke City.-109.92845.07230003244Talus, boulder, and meadow covered slope. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene3982Rick McNeill200963154U.S.A.MontanaMeagherSmith River Wildlife Management Area: ca 3 air mi NNE of Fort Logan.-111.159646.71881484Northeast aspect; 5-15% slope; sagebrush and Pinus ponderosa woodland; quartzite outcrops. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4142Rick McNeill Matt Voigt200967158U.S.A.MontanaFergus[location and coordinates withheld]1016Meadow and hill slope in Pinus ponderosa; high dry soils; southeast aspect; 0-25% slope. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5160Rick McNeill2009626177U.S.A.MontanaMeagherLewis and Clark National Forest: Little Belt Mountains: Forest Road 6393 along Spring Creek, ca 0.5 mi SW of Basin Creek Campground.-110.441846.6351725Northwest side of creek; southwest aspect; 0-15% slope; Pinus ponderosa and Artemisia tridentata woodland. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5310Rick McNeill2009628179U.S.A.MontanaChouteauLewis and Clark National Forest: Highwood Mountains: saddle along Forest trail, 1.5 air mi NE of Prospect Peak.-110.481447.47181720Open meadow in saddle, seasonally wet; northwest aspect; 15-20% slope; scattered Pinus ponderosa. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6409Rick McNeill2009714195U.S.A.MontanaMeagherLewis and Clark National Forest: Little Belt Mountains: east side of Smith River, Indian Springs Campground, 26.8 air mi NW of White Sulphur Springs.-111.247246.85531327Riparian zone and bench above river, wooded Pseudotsuga menziesii; west aspect; 0-5% slope. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6885Rick McNeill2009719200U.S.A.MontanaJudith BasinLewis and Clark National Forest: Little Belt Mountains: Ettien Ridge, Forest Road 831, ca 2.5 air mi SW of Judith Guard Station.-110.320546.8181879Meadow on hill slope, scattered, Pinus contorta and Pseudotsuga menziesii; east aspect; 0-15% slope; shallow soil, limestone. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7036Rick McNeill2009720201U.S.A.MontanaJudith BasinLewis and Clark National Forest: Little Belt Mountains: Forest Road 487, above South Fork Judith River at Hoover Springs.-110.525646.72452164Open meadow; southwest aspect; 5-10% slope; limestone. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7511Rick McNeill2009727208U.S.A.MontanaLewis and ClarkLewis and Clark National Forest: Front Range: Scapegoat Plateau: permanent snow field, ca 1.5 air mi WNW of Scapegoat Mountain.-112.860447.31862385Along edge of snow field, small streams flowing into limestone cracks/caves; very shallow soil or bare rock slabs; west aspect; 0-30% slope. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene77354B. E. Nelson2009617168U.S.A.MontanaPowder RiverCuster 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.-106.146745.571957987Forb and grass flats. Phenology: flowering.RMUSFS883277 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene77409B. E. Nelson2009617168U.S.A.MontanaPowder RiverCuster 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.-105.995545.599211281152Meadow and logged area. Phenology: flowering.RMUSFS885220 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene831Hans Hallman2009620171U.S.A.MontanaRosebudCuster 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.-106.265145.421911151164Partially burned ponderosa pine-dominated upland. Phenology: fruiting.RMUSFS885219 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene921Hans Hallman2009620171U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: in and around Anderson Reservoir in Stafford Draw along Forest Road 47032, ca 3.5 air mi S of Home Creek School on U.S. Hwy 212, ca 16 air mi ESE of Ashland.-106.002445.513810571079Grassland with partially burned, open ponderosa pine forest. Phenology: fruiting.RMRM860907 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene14006Brian Elliott200876188U.S.A.WyomingParkBeartooth Mountains: Shoshone National Forest: at Clarks Fork Trailhead on Wyo Hwy 296 and NE, ca 17 air mi SE of Cooke City, Montana.-109.651544.882920422317On hills with Douglas fir and lodgepole pine forest with scattered meadows and aspen stands. Phenology: flowering.RMRM864375 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene14517Brian Elliott2008816229U.S.A.MontanaCarbonBeartooth Mountains: Custer National Forest: on south-facing slope of Line Creek Plateau, ca 7 air mi NE of Beartooth Pass, ca 12.5 air mi SSW of Red Lodge.-109.351845.02282896Avalanche chute flanked by mixed conifer forest. Phenology: flowering.RMRM863542 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene14580Brian Elliott2008816229U.S.A.MontanaCarbonBeartooth Mountains: Custer National Forest: top of Line Creek Plateau, ca 5-7.5 air mi NE of Beartooth Pass, ca 12-13 air mi SSW of Red Lodge.-109.34145.030229783048Alpine meadows and talus. Phenology: flowering.RMUSFS857585 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene14856Brian Elliott201061152U.S.A.WyomingCrookBlack Hills National Forest: ca 12.5 air mi W (265°) of Spearfish, SD, E of Sand Creek Road on south-facing slope N of Dugout Gulch, below cliffs.1387On south-facing slope; cliffs in Pinus ponderosa/Berberis repens forest. USGS Quad:Tinton Survey ID#:10D001 Phenology: flowering & fruiting.RMRM355623 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6138Robert W. Lichvar1984614166U.S.A.MontanaBig HornOk-A-Beh Road.1387Open grassy slope with lupinus. Phenology: flowering.RMRM210481 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene280-667F. B. Cotner193773184U.S.A.MontanaGallatinCrazy Mountains: Cottonwood Bench, near Bozeman.Phenology: flowering.RMUSFS471113 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreeneABE-109Anthony B. Evanko1950711192U.S.A.MontanaMadisonBeaverhead National Forest: Vigilante Range Station IV.2225Slope 4%, WNW exposure; deep loam; grassland with Fid, Asp, Kcr, Poa, Geranium. Common. Phenology: flowering.RMUSFS471044 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreenePL-164Paul C. Lemon Anthony Evanko1941716197U.S.A.MontanaMadisonBeaverhead National Forest: Vigilante Experimental Range: Cattle Unit.2286Deep black loam soil; grassland with Festuca idahoensis, Geranium. Uncommon. Phenology: flowering & fruiting.RMUSFS471108 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreeneRDC-6Ronald D. Christianson1959622173U.S.A.MontanaPowellDeerlodge National Forest: Modesty Creek Ridge.1981Slope 20%, southeast exposure; fescue grassland; with Festuca idahoensis, Festuca scabrella, Koeleria cristata, Stipa columbiana, Arenaria rosea. Occurrence rare. Phenology: flowering.RMUSFS471114 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreeneABE-65Anthony B. Evanko Peterson1950719200U.S.A.MontanaMadisonBeaverhead National Forest: Cliff Lake Bench.2134Grassland; slope 5%, NNW exposure; deep loam soil with Fid, Poa, Asp, Stipa, lupine; more arid spot. Common locally. Phenology: flowering & fruiting.RMRM21637 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5223P. A. Rydberg Ernst A. Bessey1897620171U.S.A.MontanaGallatinSpanish Basin.1981Phenology: flowering.RMRM22486 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreenes.n.J. W. Blankinship1899620171U.S.A.MontanaGallatinBozeman.Meadows. Common. Phenology: flowering.RMUSFS471112 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6C. Eugene Larsen193893246U.S.A.MontanaRavalliBitterroot National Forest.1371Slope 40%, west exposure; moist hillside, shallow rocky soil; timber and grass cover type with Bte, Asp, Fid. Phenology: flowering & fruiting.RMUSFS471111 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene304Merton J. Reed195379190U.S.A.MontanaRavalliBitterroot National Forest: Sula District.1981Steep south slope; coarse granitic soil; open grassland; with Agropyron spicatum, balsamroot, Koeleria, Poa, Carum. Phenology: flowering.RMUSFS471110 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1587C. H. Macdonald195974185U.S.A.MontanaRavalliBitterroot National Forest: Greyhorse pasture.1371Slope 10%, west exposure; weed and grass cover type with Geranium, rose, snowberry, brome; sandy loam clay soil. Phenology: flowering.RMRM202872 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene11499C. Leo Hitchcock C. V. Muhlick1945625176U.S.A.MontanaMissoulaBlackfoot Valley: 1 mi W of Greenough.Sagebrush hills. Phenology: flowering.RMRM252726 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene56387W. E. Booth1956610162U.S.A.MontanaBroadwaterCa 20 mi E of Townsend.Open Douglas-fir forest and creek bottom. Phenology: flowering.RMRM122339 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreenes.n.J. W. Blankinship1899624175U.S.A.MontanaGallatinBozeman.Phenology: flowering.RMRM22483 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreenes.n.J. W. Blankinship189875186U.S.A.MontanaGallatin River: lower canyon.Phenology: flowering.RMRM218456 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene17902C. Leo Hitchcock194871183U.S.A.MontanaLewis and Clark7 mi W of Lincoln: near Hwy 2.Open field. Phenology: flowering.RMRM218906 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene17893C. Leo Hitchcock194872184U.S.A.MontanaLewis and ClarkRock Creek, ca 8 mi NW of Conway.Phenology: flowering & fruiting.RMRM218905 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene17768C. Leo Hitchcock1948627179U.S.A.MontanaLake2 mi S of Polson.Open grassy slope. Phenology: flowering & fruiting.RMRM202867 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene12424C. Leo Hitchcock C. V. Muhlick1945717198U.S.A.MontanaMeagher2 mi N of Ringling.Sagebrush hills. Achenes sparsely puberulent. Phenology: flowering & fruiting.RMRM622159 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5447James P. Vanderhorst199579190U.S.A.MontanaBeaverheadGrasshopper Creek drainage: ca 14 air mi W of Dillon.1951Rolling hills with Artemisia tridentata/Elymus spicatus community, with Astragalus adsurgens, Astragalus miser. Plants widespread and characteristic of this habitat type. Phenology: flowering.RMUSFS885218 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4709Hans Hallman2010610161U.S.A.MontanaPowder RiverCuster 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.-106.122745.204511121143Draw with green ash, juniper, and ponderosa pine. Phenology: flowering.RMRM908458 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4789Hans Hallman2010611162U.S.A.MontanaPowder RiverCa 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.-106.138445.165910911115Grass and ponderosa pine-dominated draw with juniper, Linum, Tragopogon, and Rhus. Phenology: flowering.RMUSFS885217 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5228Hans Hallman2010624175U.S.A.MontanaPowder RiverCuster 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.-106.002545.605711091189Ponderosa pine-dominated forest with scattered rock outcrops and grass-dominated openings. Phenology: flowering.RMUSFS885216 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5285Hans Hallman2010626177U.S.A.MontanaRosebudCuster National Forest: Ashland Ranger District: W of Forest Road 4794 in the vicinity of Horse Creek Buttes, ca 6 air mi SE of Poker Jim Butte, ca 23 air mi S of Ashland.-106.275245.268911951213Grass and sagebrush-dominated grazed prairie with scattered, wet cattle wallows. Phenology: fruiting.RMUSFS885215 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5481Hans Hallman2010628179U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: N of Forest Road 4409, generally between Cabin Creek Spring and Deer Creek Spring, ca 11 air mi ENE of Ashland.-106.075545.656911581231Ponderosa pine forest with grass-dominated openings, with Rhus, Rosa, and Balsamorhiza patches. Phenology: fruiting.RMUSFS885214 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5505Hans Hallman2010629180U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: along Forest Road 4409, ca 1 air mi W of its junction with East Fork Otter Creek Road, ca 14 air mi ENE of Ashland.-106.000345.63912311262Upland ponderosa pine and grass-dominated woodland. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5611Hans Hallman2010630181U.S.A.MontanaPowder RiverCa 1 air mi N of Belle Creek Road, ca 4 air mi E of its junction with Mont Hwy 59, ca 19 air mi SSE of Broadus.-105.244945.197610361091Grass and sagebrush-dominated grazing land with some moist draws and scattered small areas of badlands. Phenology: fruiting.RMUSFS885213 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5813Hans Hallman201076187U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: in vicinity between Holiday Campground and SE to Sutton Spring, E of Forest Road 4777, ca 15 air mi ENE of Ashland.-105.973545.637612011219Ponderosa pine forest with dense groundcover of Berberis and Toxicodendron. Phenology: fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene80098B. E. Nelson Joseph L. M. Charboneau2010613164U.S.A.MontanaValleyOn ridge between Lena Coulee and Cut Throat Coulee on the Timber Creek Trail, ca 41 air mi SW of Glasgow.-107.311447.7659740798Clay and bentonite badlands with ponderosa pine. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene469Joseph L. M. Charboneau2010624175U.S.A.MontanaValleyOn Ridge Road, on ridge above Tony Coulee, ca 2.5 air mi SW of Finn Reservoir, ca 36 air mi SW of Glasgow.-107.25947.91868954Drainage bottom. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene521Joseph L. M. Charboneau2010626177U.S.A.MontanaPhillipsOff of Sunnyslope Road, ca 2 air mi N of Woody Island Coulee, ca 13 air mi ENE of Turner; ca 40 air mi NNW of Malta.-108.148548.9045876881Rolling grasslands with occasional sagebrush on loamy to sandy soil. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene633Joseph L. M. Charboneau2010627178U.S.A.MontanaPhillipsMatador Ranch: on Dry Fork Road, on top of Dry Fork Ridge, ca 2.5 air mi N of Wrangler Reservoir, ca 16.5 air mi ESE of Zortman.-108.204747.8103896926In moister draw bottoms. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene778Joseph L. M. Charboneau2010630181U.S.A.MontanaPhillipsOn Border Road, in the vicinity of a natural gas pipeline compression station, ca 1/4 air mi W of Whitewater Reservoir, ca 6 air mi NNW of Whitewater; ca 28 air mi NNE of Malta.-107.649148.8478736743Low-lying intermittent pond (dry). Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2009Joseph L. M. Charboneau2010722203U.S.A.MontanaBlaineW of Mont Hwy 241, ca 2 air mi SSW of the Turner Port of Entry, ca 10.5 air mi NW of Turner; ca 33 air mi NNE of Harlem.-108.410748.9698914932Moist bottoms. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene81691B. E. Nelson2011618169U.S.A.MontanaPhillipsAlong Hog Farm Road just E of Big Warm Creek, ca 1 air mi SE of Ester Lake, ca 25 air mi SW of Malta.-108.2448.0879807Plains grassland with small disturbed areas. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene81883B. E. Nelson2011620171U.S.A.MontanaValleyAlong Bentonite Road, ca 1.5 air mi W of Mahan and Hoyt Reservoir, ca 7 air mi W of Glasgow.-106.782248.1982664689Plains grassland with draws. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene81978B. E. Nelson2011622173U.S.A.MontanaValleyIn Barber Coulee just S of Willow Creek Road, ca 36 air mi SW of Glasgow.-107.120647.8145768Bottom of the draw and adjacent slopes. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene82077B. E. Nelson2011624175U.S.A.MontanaPhillipsAlong Stage Road (Mont Hwy 204) ca 1/2-3/4 mi N of Wild Horse Creek, ca 16 air mi S of Dodson; ca 23 air mi SW of Malta.-108.268548.1693786804Badlands with gravel to cobblestone size rocks, with drainage channels, bentonite boils, grassy patches, and grassland on the flats above. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene82135B. E. Nelson2011624175U.S.A.MontanaPhillipsAlong Alkali Road, ca 1.5 air mi E of Stage Road (Mont Hwy 204), and 1-1.5 air mi N of North Fork Mud Creek, ca 9 air mi S of Dodson, ca 17 air mi WSW of Malta-108.22448.2908786Plains grasslands with vernal depressions. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene82388B. E. Nelson2011626177U.S.A.MontanaValleyAt the end of the Montfort Road 2.5-3 air mi S of Vandalia; ca 10 air mi SE of Hinsdale.-106.916348.3141689716Plains grassland with vernal depressions on stony soil. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene82465B. E. Nelson2011628179U.S.A.MontanaPhillipsAt the intersection of U.S. Hwy 191 and Sunnyslope Road, ca 2 air mi N of Loring; ca 32 air mi N of Malta.-107.859348.8201853859Rolling plains grassland with stony knolls and swales. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene82507B. E. Nelson2011628179U.S.A.MontanaPhillipsAt the corner of Grabofsky and North Sunnyslope roads, 1 mi S of Saskatchewan, ca 45 air mi NNW of Malta.-108.083848.9838865871Rolling plains grassland with swales. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene82570B. E. Nelson2011628179U.S.A.MontanaPhillipsHills E of Chapman above Woody Island Coulee, ca 38 air mi NNW of Malta.-108.112348.872847868Grassy flats with silver sagebrush, below the bluffs. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5041Joseph L. M. Charboneau2011614165U.S.A.MontanaPhillipsN of Blount Cut Across, ca 8.5 air mi W of First Creek Reservoir, ca 27 air mi ESE of Zortman; ca 42.5 air mi SSW of Malta.-107.961247.873823826Grasslands with fringed sage and spikemoss on clay soil. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5190Joseph L. M. Charboneau2011615166U.S.A.MontanaPhillipsW of Midale Road, ca 4.5 air mi NNE of Veseth Reservoir, ca 28.5 air mi ENE of Zortman; ca 28 air mi SSW of Malta.-108.121847.9905829832Grasslands with fringed sage, spikemoss, and scattered silver sagebrush. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5230Joseph L. M. Charboneau2011615166U.S.A.MontanaPhillipsButton Butte Coulee, W of Rudolph Valley Road, ca 5 air mi WNW of Button Butte, ca 29 air mi NW of Zortman; ca 26 air mi SSW of Malta.-107.984748.1158774780Grasslands with fringed sage and spikemoss. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5455Joseph L. M. Charboneau Alice Sawyer2011621172U.S.A.MontanaValleyCharles M. Russell National Wildlife Refuge: Sixth Ridge, ca 9 air mi SSE of Pines Reservoir, ca 25 air mi SW of Fort Peck; ca 26.5 air mi S of Glasgow.-106.660747.8296621731Ponderosa pine-juniper woodland with openings on clay soil. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5585Joseph L. M. Charboneau2011623174U.S.A.MontanaPhillipsAmerican Prairie Reserve: Dry Fork Ridge, S of West Fork Dry Fork Creek, ca 3.5 air mi ENE Wrangler Reservoir, ca 29 air mi ESE of Zortman; ca 43 air mi SSW of Malta.-108.134447.7879850884Grasslands with big sagebrush on clay hills. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6091Joseph L. M. Charboneau2011628179U.S.A.MontanaPhillipsCharles M. Russell National Wildlife Refuge: CK Ridge, W of Refuge Road 206, ca 10 air mi ESE of Taint Reservoir, ca 24 air mi SE of Zortman; ca 52 air mi SSW of Malta.-108.191447.6616804884Moist swale in sagebrush-grasslands above the breaks. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6150Joseph L. M. Charboneau2011628179U.S.A.MontanaPhillipsRidge E of Spring Creek, W of CK Ridge Road, ca 2.5 air mi E of Blizzard Reservoir, ca 18 air mi SE of Zortman; ca 48 air mi SSW of Malta.-108.276147.7335865905Sagebrush-grasslands on rolling hills of clay to loamy soil with swales and areas of stony silty hardpans. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6334Joseph L. M. Charboneau2011630181U.S.A.MontanaPhillipsLarb Hills (North): N of Cottonwood Creek, ca 4 air mi S of Bauer Reservoir, ca 13 air mi SW of Saco; ca 17.5 air mi ESE of Malta.-107.508448.3002756807Silver sagebrush-grasslands on loamy soil on rolling hills with swales. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6427Joseph L. M. Charboneau2011630181U.S.A.MontanaPhillipsLarb Hills (North): E of Lower Harb Road, ca 1.5 air mi E of Beaver Creek, ca 15 air mi SW of Saco; ca 15.5 air mi ESE of Malta.-107.559148.3039710762Rolling sagebrush-grasslands on loamy soil with slopes and swales. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6783Joseph L. M. Charboneau201175186U.S.A.MontanaPhillipsSW of Martin Lake, N of Turner Cutacross Road, ca 4 air mi W of Loring; ca 15 air mi WNW of Whitewater; ca 30 air mi NNW of Malta.-107.948248.7898850853Grasslands with occasional silver sagebrush on loamy soil. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6864Joseph L. M. Charboneau201175186U.S.A.MontanaPhillipsCottonwood Creek at confluence with Black Coulee, ca 9.5 air mi SW of Horseshoe Lake, ca 15 air mi WSW of Loring; ca 30.5 air mi NNW of Malta.-108.190348.7393801823Riparian thickets and floodplain on clayey soil. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7317Joseph L. M. Charboneau2011711192U.S.A.MontanaPhillipsKorsbeck Waterfowl Production Area: W of Stage Road, ca 8 air mi N of Ester Lake, ca 24 air mi NNE of Zortman; ca 21.5 air mi SW of Malta.-108.270648.2154789792Grasslands on loamy soil with occasional silver sagebrush, alkaline areas, and large patches of crested wheatgrass, yellow sweetclover, and alfalfa. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene7485Joseph L. M. Charboneau2011711192U.S.A.MontanaPhillipsMatador Ranch: Coburn Butte and prairie to the E, ca 8.5 air mi WSW of Veseth Reservoir, ca 8.5 air mi ESE of Zortman; ca 40 air mi SSW of Malta.-108.351847.89339541146Shallow draw on butte in ponderosa pine forest. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene82166bB. E. Nelson2011624175U.S.A.MontanaPhillipsAlong and above "Middle Fork" Exeter Creek, ca 9 air mi ENE of Dodson; ca 10 air mi WNW of Malta.-108.06148.4244801820Plains grassland and slopes and swales leading to the creek. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene82262bB. E. Nelson2011626177U.S.A.MontanaValleyRidge between Burnett Creek and Collins Creek E of Rock Creek Road, ca 19 air mi NNE of Hinsdale.-106.964248.6535728762Rolling plains grassland with stony soil and swales. Phenology: flowering & fruiting.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene14580Brian Elliott2008816229U.S.A.MontanaCarbonBeartooth Mountains: Custer National Forest: top of Line Creek Plateau, ca 5-7.5 air mi NE of Beartooth Pass, ca 12-13 air mi SSW of Red Lodge.-109.34145.030229783048Alpine meadows and talus. Phenology: flowering.RM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene14517Brian Elliott2008816229U.S.A.MontanaCarbonBeartooth Mountains: Custer National Forest: on south-facing slope of Line Creek Plateau, ca 7 air mi NE of Beartooth Pass, ca 12.5 air mi SSW of Red Lodge.-109.351845.02282896Avalanche chute flanked by mixed conifer forest. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene420Emma E. Freeland2012611163U.S.A.MontanaMadisonMadison Valley: Bear Trap Canyon, east side of the Madison River, ca 8.5-9 air mi NE of Ennis, ca 0.5 air mi NE of Ennis Lake.-111.649545.455414751573Sagebrush grassland opening in a Douglas fir and Rocky Mountain juniper forest. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene486Emma E. Freeland2012611163U.S.A.MontanaMadisonMadison Valley: Cameron Bench, ca 4 air mi E of McAtee bridge, ca 26 air mi SSE of Ennis.-111.594645.08891792Flat grassland on a bench at the base of steep mountains. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene806Emma E. Freeland2012616168U.S.A.MontanaBeaverheadBlacktail Valley: Blacktail Deer Creek, ca 18 air mi N of Lima Reservoir, ca 33 air mi SE of Dillon.-112.352744.903819572033East facing slopes with Artemisia tridentata and Symphoricarpos. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1107Emma E. Freeland2012619171U.S.A.MontanaMadisonTobacco Root Mountains: Granite Creek, ca 10 air mi WSW of Ennis Lake, ca 5.5 air mi N of Virginia City.-111.925245.362418591963Sagebrush grassland hills. Phenology: flowering.RMUSFS Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1213Emma E. Freeland Justine Modica2012622174U.S.A.MontanaMadisonMadison Range: Mill Creek, ca 2-3 air mi NW of Lake Cameron, ca 11 air mi SE of Ennis.-111.589345.221319292021Edge of a sagebrush grassland and a Douglas fir forest. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1760Emma E. Freeland201275187U.S.A.MontanaMadisonFoothills of the Snowcrest Range: Robb-Ledford State Wildlife Management Area: Robb Creek, ca 3 air mi WNW of Hogback Mountain.-112.182444.926123622439Sagebrush steppe on east-facing slopes. Phenology: flowering.RMUSFS885212 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene77354B. E. Nelson2009617168U.S.A.MontanaPowder RiverCuster 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.-106.146745.571957987Forb and grass flats. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1741Joshua J. Irwin2010630181U.S.A.IdahoCusterPahsimeroi Mountains: Meadow Creek just above Elbow Creek, 14.5 air mi ESE of Challis.-113.944444.456562010Well developed soil in mesic shrub-steppe vegetation; 4° slope, NE aspect; volcaniclastic geology. 1-25 individuals apparent. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1072Joshua J. Irwin2010617168U.S.A.IdahoLemhiChallis National Forest: Lemhi Range: Cow Creek Canyon at the confluence of the North Fork Cow Creek, 5.5 air mi NE of Ellis.-113.9576644.739251619Well developed soil in mesic grassland vegetation; 20° slope, N aspect; volcaniclastic geology. 26-75 individuals apparent. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4025Joshua J. Irwin2010812224U.S.A.IdahoLemhiSalmon National Forest: Salmon River Mountains: China Spring area, on the north side of the forest road, 14.8 air mi SW of Salmon.-114.0914745.012812695Well developed soil in mesic forb dominated vegetation; 10° slope, W aspect; andesitoid-rhyolitoid geology. Population is dominant throughout the area. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene1479Joshua J. Irwin2010624175U.S.A.IdahoLemhiSalmon National Forest: Salmon River Mountains: ridge above Hot Springs Creek ca 0.4 mi SW of the Hot Springs, 6 air mi SSW of Shoup.-114.3445445.303041344Well developed soil in mesic grassland vegetation; 13° slope, W aspect; granite geology. 1-25 individuals apparent. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4628Joshua J. Irwin201161152U.S.AIdahoLemhiSalmon National Forest: Northern Salmon River Mountains: near USGS Point 3510 above Ouzel Rapids on the lower Middle Fork Salmon River, 21.5 air mi WSW of Shoup.-114.671245.236105575-150 plants estimated in mesic soil within a forb dominated vegetation, 19 degree slope, SSE aspect, gneiss geology. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4758Joshua J. Irwin201167158U.S.AIdahoLemhiSalmon National Forest: Northern Salmon River Mountains: ridgetop dividing lower Wheat and Corn creeks, 19.5 air mi W of Shoup.-114.6779945.376081250In mesic soil within grassland vegetation, 21 degree slope, west aspect, gneiss geology. 25-75 plants estimated. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4839Joshua J. Irwin201169160U.S.AIdahoLemhiChallis National Forest: Salmon River Mountains: Middle Fork Salmon River Trail between Cove and Camas creeks, 36.1 air mi NW of Challis.-114.7308244.88611171In xeric soil within shrub-steppe vegetation, 21 degree slope, ENE aspect, granodiorite geology. 25-75 plants estimated. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5080Joshua J. Irwin2011615166U.S.AIdahoLemhiSalmon National Forest: Lemhi Range: McKim Creek just above the confluence with North Fork McKim Creek, 24.8 air mi NNE of Challis.-113.9586644.808141703In mesic soil within grassland vegetation, 10 degree slope, SE aspect, rhyodacite geology. 25-75 plants estimated. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5348Joshua J. Irwin Craig Scott2011622173U.S.AIdahoCusterChallis National Forest: White Knob Mountains: first draw W of the confluence of Flower Garden and Cherry Creek, 12.0 air mi S of Mackay.-113.6609743.74444199725-75 plants estimated in mesic soil within a forb dominated vegetation, 12 degree slope, S aspect, alluvial geology. 25-75 plants estimated. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6077Joshua J. Irwin2011712193U.S.AIdahoLemhiSalmon National Forest: Lemhi Range: near Bear Valley Creek at the Wright Creek confluence, 20.7 air mi WNW of Leadore.-113.7536444.783391971Within shrub-steppe vegetation, 8 degree slope, SW aspect, quartzite geology. Phenology: flowering & fruiting.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6143Joshua J. Irwin2011713194U.S.AIdahoLemhiSalmon National Forest: Lemhi Range: ridge dividing North and Middle Fork Little Timber creeks, due N of Stone Reservoir, 8.4 air mi SW of Leadore.-113.4671544.58745237975-150 plants estimated in mesic soil within shrub-steppe vegetation, 37 degree slope, SE aspect, till geology. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene90302Ronald L. Hartman2010725206U.S.A.IdahoLemhiSalmon National Forest: Beaverhead Mountains: Forest Road 187, Lewis and Clark Backcountry Byway, at Agency Creek, 1.5 air mi W of Lemhi Pass.-113.481844.97317981981Streamside with disturbed areas and adjacent Douglas fir forest and meadow. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene90473Ronald L. Hartman2010727208U.S.A.IdahoLemhiSalmon National Forest: Lemhi Range: Hayden Creek Road to Mill Creek (Forest Road 010), between Apple and Little Sawmill creeks, ca 16 air mi W of Leadore.-113.660744.76772378Dry ridge and rock outcrop. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene90626Ronald L. Hartman2010729210U.S.A.IdahoLemhiSalmon National Forest: Beaverhead Mountains: between Morgan Mountain and Eagle Mountain.-113.83445.511Ridgetop and edge of Douglas fir forest. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene91627Ronald L. Hartman Joshua J. Irwin, Emma E. Stewart2011615166U.S.A.IdahoLemhiSalmon National Forest: Lemhi Range: lower Cow Creek, 4.5 air mi NE of Ellis.-113.9912544.74003314571493On lower steep slope, often in shrubs or on rubble.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5584Emma E. Freeland2013615166U.S.A.MontanaMadisonMadison Range: Bear Creek Wildlife Management Area: North Bear Creek Trailhead, ca 4 air mi WNW of Sphinx Mountain, ca 14 air mi SE of Ennis.-111.558645.17481935Grassland used as a parking area. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5725Emma E. Freeland2013618169U.S.A.MontanaMadisonTobacco Root Mountains: Harris Creek, ca 14-15 air mi WNW of Ennis, ca 6 air mi SW of South Baldy Mountain.-112.019745.410419692012Sagebrush grasslands. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5815Emma E. Freeland2013619170U.S.A.MontanaMadisonSnowcrest Range: Ledford Creek, ca 16-18 air mi S of Ruby River Reservoir, ca 30 air mi SE of Dillon.-112.116244.950920732079Mixed coniferous woodland in a drainage bottom. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6152Emma E. Freeland2013624175U.S.A.MontanaBeaverheadWestern Centennial Mountains: Bean Creek, ca 3 air mi N of Idaho, ca 10 air mi W of Lakeview.-112.023744.581121032146Sagebrush grasslands. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6344Emma E. Freeland2013628179U.S.A.MontanaMadisonTobacco Root Mountains: Mill Creek, ca 19 air mi W of South Baldy Mountain, ca 18 air mi NW of Ennis.-112.066645.4781990Open mixed conifer woodland near a campground. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6469Emma E. Freeland2013629180U.S.A.MontanaMadisonTobacco Root Mountains: Mill Creek to Rock Creek Lake, ca 10-11 air mi S of Whitehall, ca 2-3 air mi NNE of Manhead Mountain.-112.088145.708217891801Grasslands on gentle slopes. Phenology: flowering.RMRM Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene6725Emma E. Freeland201376187U.S.A.MontanaMadisonMadison Range: Lee Metcalf Wilderness, Spanish Peaks Unit: Mill Creek to headwaters of Jourdain Creek, ca 6-7 air mi N of Fan Mountain, ca 9-11 air mi ENE of Ennis.-111.545745.39622600Open mixed coniferous forest. Phenology: flowering.RMRM111132 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene2127Herman E. Hayward1927714195U.S.A.WyomingCrookInyan Kara Creek, 17 mi S of Sundance.-104.264444.19791591Foothills; grass association; xerophytic. Phenology: flowering & fruiting.RMRM633691 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene5177C. H. Refsdal B. E. Nelson1995710191U.S.A.WyomingLincolnBasins and Mountains of Southwest Wyoming: west end of Fossil Ridge, ca 16 air mi W of Kemmerer; 7.3 mi SW on Northwest Pipeline access road.-110.837541.767522562365Seeps, meadow. Phenology: flowering & fruiting.RMRM981997 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreene4500Bonnie Heidel2018524144U.S.A.WyomingSweetwaterGreat Divide Basin Area: Whitehorse Creek Wilderness Study Area: ca 1.7 air mi WNW of Oregon Butte summit, ca 15.2 air mi SSW of South Pass City.-108.896842.25812243Ravine slopes, northeast aspect, silt; with Artemisia tridentata ssp. vaseyana, Symphyotrichum spp., Delphinium biocolor. Phenology: flowering.RMRM1000150 Arnica sororiaphysical specimenAsteraceaeArnicasororiaGreeneWYO050207Shannen M. Cashman201972183U.S.A.WyomingFremontFoothills of Wind River Range: Weiser Knoll. Located 12.6 miles southeast of Lander, WY and 2.2 air miles northwest of Commissary Hill.1836Sagebrush grasslands. Soil: Loam. Phenology: flowering.36003,1,0true