Record Number Database Code Specimen ID Project Herbarium Accession Number Barcode NPS Accession NPS Catalog Family Genus 1 Specific Epithet 1 Specific Author 1 Infraspecific Rank 1 Infraspecific Epithet 1 Infraspecific Author 1 Name 1 Qualifier Name 1 Qualifier Position Hybrid Symbol Genus 2 Specific Epithet 2 Specific Author 2 Infraspecific Rank 2 Infraspecific Epithet 2 Infraspecific Author 2 Name 2 Qualifier Name 2 Qualifier Position Conservation Status Annotations Site Key Collector Collector Number Other Collectors Day Collected Month Collected Year Collected Verbatim Collection Date Country State County Locality Site Description Minimum Elevation Maximum Elevation Elevation Unit LatitudeLongitude UTM TRS Decimal Latitude Decimal Longitude Geodetic Datum Coordinate Uncertainty Coordinate Uncertainty Unit Elevation Georeferenced TRS Georeferenced Georeference Sources Georeference Remarks Georeferenced By Specimen Notes Other Notes Phenology Cultivated Images Type Specimen? TypeDetails 1 RM 103203 Rosenthal 1996 USFS 851612 USFS0035551 Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by David Rosenthal. RM-14101 Ronald L. Hartman 55068 David Rosenthal 10 7 1996 U.S.A. Wyoming Park Northern 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. Along stream though limestone canyon with some open, grassy areas. 5850 6200 ft. 44.479° N, 109.3051° W T52N R104W S13 SE1/4 SW1/4; also NW1/4 S24 44.479 -109.3051 Flowering N USFS0035551 N 2 RM 104132 Rosenthal 1996 USFS 851613 USFS0035552 Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by David Rosenthal. RM-14128 Ronald L. Hartman 55988 David Rosenthal 16 8 1996 U.S.A. Wyoming Park Northern Absaroka Area: Deer Creek Pass to 1 trail mi NE. Alpine slopes along trail. 9800 10400 ft. 44.1402° N, 109.7597° W T48N R107W S7 NE1/4; also NW1/4 S8 44.1402 -109.7597 Flowering N USFS0035552 N 3 RM 104457 Northern Absarokas RM 853420 USFS0036951 Asteraceae Arnica sororia Greene RM-14140 B. E. Nelson 16738 21 6 1989 U.S.A. Wyoming Park Northern Absarokas: on the Reef, ca 2 mi NE of Cathedral Cliffs, ca 33 air mi NW of Cody. Meadow and open area above limestone cliffs. 7500 ft. 44.84806° N, 109.55222° W; uncertainty 1 mi. T56N R105W S7 44.84806 -109.55222 1 mi. Flowering N USFS0036951 N 4 RM 104930 Rosenthal 1997 USFS 853423 USFS0036954 Asteraceae Arnica sororia Greene RM-14169 David Rosenthal 1095b 20 6 1997 U.S.A. Wyoming Park Northern Absaroka Area: Shoshone National Forest: from Four Bear Trailhead to peak 8245T (Jim Mountain Quad), E of Jim Mountain and NW of Four Bear, ca 2.5 mi E of town of Wapiti on U.S. Hwy 14, 16, & 20. Sagebrush slopes leading to meadows on north facing slopes. 7000 7500 ft. 44.5079° N, 109.406° W T52N R104W S6 E1/2 44.5079 -109.406 Flowering N USFS0036954 N 5 RM 106471 Rosenthal 1997 USFS 853422 USFS0036953 Asteraceae Arnica sororia Greene RM-14216 David Rosenthal 2611 18 7 1997 U.S.A. Wyoming Park Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: Dead Indian Creek Trail, ca 21 air mi NW of Cody. Sagebrush slopes with scattered limber pine, juniper, and spruce/fir forest in moist areas. 6400 6500 ft. 44.7323° N, 109.4352° W T55N R104W S19 SW1/4; NE1/4 and also NW1/4 S30 44.7323 -109.4352 Flowering N USFS0036953 N 6 RM 106516 Rosenthal 1997 USFS 853421 USFS0036952 Asteraceae Arnica sororia Greene RM-14217 David Rosenthal 2656 18 7 1997 U.S.A. Wyoming Park Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: Dead Indian Creek Trail, ca 21 air mi NW of Cody. Sagebrush slopes with scattered limber pine, juniper, and spruce/fir forest in moist areas. 6500 6800 ft. 44.7033° N, 109.4352° W T55N R104W S31 SE1/4; NW1/4 and also T54N R104W NE1/4 S6 44.7033 -109.4352 Flowering N USFS0036952 N 7 RM 110478 Ebertowski 2002 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by Peter J. Ebertowski. RM-14327 B. E. Nelson 56819b Peter Ebertowski 13 6 2002 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: between Buffalo Creek Road and Alkali Draw along a tributary, ca 3 air mi NNW of Goose Butte, ca 8.5 air mi W of Upton. Slopes and bottom of a large draw. 4510 4580 ft. 44.0902° N, 104.8118° W; uncertainty 0.5 mi. T48N R66W S32 NE1/4 44.0902 -104.8118 1 mi. Flowering N N 8 RM 110548 Ebertowski 2002 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by Peter J. Ebertowski. RM-14328 B. E. Nelson 56889 Peter Ebertowski 13 6 2002 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: Pine Ridge, ca 1 air mi W of Wyo Hwy 116, ca 4.5 air mi N of Upton. Ponderosa pine/ Rocky Mountain juniper woods on shale. 4490 4620 ft. 44.1464° N, 104.6108° W; uncertainty 1 mi. T48N R65W S12 N1/2 44.1464 -104.6108 1 mi. Flowering N N 9 RM 110850 Ebertowski 2002 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by Peter J. Ebertowski. RM-14335 B. E. Nelson 57189 18 6 2002 U.S.A. Wyoming Campbell Thunder 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. Idaho fescue meadow, scattered sagebrush, disturbed patches, and edge of ponderosa pine forest on scoria ridge. 4300 4520 ft. 44.6292° N, 105.3798° W; uncertainty 1 mi. T54N R71W S27 W1/2; also NW1/4 S34 44.6292 -105.3798 1 mi. Flowering and Fruiting N N 10 RM 110915 Ebertowski 2002 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by Peter J. Ebertowski. RM-14336 B. E. Nelson 57254 18 6 2002 U.S.A. Wyoming Campbell Thunder 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. Grassland and sagebrush-grassland. 3940 4000 ft. 44.7173° N, 105.1975° W; uncertainty 1 mi. T55N R69W S30 W1/2 44.7173 -105.1975 1 mi. Flowering and Fruiting N N 11 RM 111931 Ebertowski 2002 RM Asteraceae Arnica sororia Greene RM-14362 Peter J. Ebertowski 156 18 6 2002 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: along ridge running N-S, E and above Short Creek, ca 26 air mi NNE of Gillette; ca 3 air mi W of Weston. Idaho fescue grassland. 4220 4520 ft. 44.6439° N, 105.3798° W; uncertainty 0.5 mi. T54N R71W S22 NW1/4 44.6439 -105.3798 1 mi. Flowering and Fruiting N N 12 RM 115381 Ebertowski 2003 RM Asteraceae Arnica sororia Greene RM-14495 Peter J. Ebertowski 4063 30 5 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: badlands ca 1 mi NW of Soda Well, on Forest Road 1247B, ca 31 air mi NNE of Gillette; ca 34 air mi NNW of Moorcroft. Sagebrush grassland, with ravines containing ponderosa pine and Rocky Mountain juniper. 3860 4100 ft. 44.7026° N, 105.2785° W T55N R70W S33 W1/2 44.7026 -105.2785 Flowering N N 13 RM 115398 Ebertowski 2003 RM Asteraceae Arnica sororia Greene RM-14496 Peter J. Ebertowski 4079 30 5 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: badlands SW of Antelope Creek, on two-track road, ca 34 air mi NNE of Gillette; ca 37 air mi NNW of Moorcroft. Slope of broad grassy ravine. 3860 3980 ft. 44.7467° N, 105.2785° W T55N R70W S16 44.7467 -105.2785 Flowering N N 14 RM 115924 Ebertowski 2003 RM Asteraceae Arnica sororia Greene RM-14512 Peter J. Ebertowski 4603 10 6 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: hills SE of and draining to Dry Forks Spring Creek on two-track off York or Forest Road 900, ca 30 air mi NNE of Gillette; ca 32 air mi NW of Moorcroft. Stipa comata - Koeleria grassland with patches of Schizachyrium. 3900 4020 ft. 44.6733° N, 105.238° W T54N R70W S11 SW1/4 44.6733 -105.238 Flowering N N 15 RM 116559 Ebertowski 2003 RM Asteraceae Arnica sororia Greene RM-14528 Peter J. Ebertowski 5234 20 6 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: hills W of Little Powder River S of Coal Creek on dirt road off of Wyo Hwy 59, ca 23 air mi NNE of Gillette; ca 31 air mi NW of Moorcroft. Watercourses between clay hills and creek. 3950 4440 ft. 44.5998° N, 105.3595° W T53N R71W S2 44.5998 -105.3595 Flowering and Fruiting N N 16 RM 117020 Ebertowski 2003 RM Asteraceae Arnica sororia Greene RM-14540 Peter J. Ebertowski 5693 29 6 2003 U.S.A. Wyoming Weston Thunder 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. Pinus ponderosa forest. 4240 4360 ft. 44.0481° N, 104.4901° W T47N R64W S13 W1/2 44.0481 -104.4901 Flowering and Fruiting N N 17 RM 117236 Ebertowski 2003 RM Asteraceae Arnica sororia Greene RM-14544 Peter J. Ebertowski 5908 3 7 2003 U.S.A. Wyoming Campbell Thunder 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. Grassy ravine in silver sagebrush grassland. 3800 3940 ft. 44.8086° N, 105.1883° W T56N R69W S30 W1/2 44.8086 -105.1883 Fruiting N N 18 RM 117259 Ebertowski 2003 RM Asteraceae Arnica sororia Greene RM-14545 Peter J. Ebertowski 5931 3 7 2003 U.S.A. Wyoming Campbell Thunder 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. Silver sagebrush grassland. 4160 4220 ft. 44.688° N, 105.157° W T54N R69W S4 SW1/4 44.688 -105.157 Flowering and Fruiting N N 19 RM 1276 Dueholm 1979 RM 333334 RM0265515 Asteraceae Arnica sororia Greene RM-138 Keith H. Dueholm 6878 10 6 1979 U.S.A. Wyoming Natrona Powder River Basin: Willow Creek, ca 18 air mi SSW of Kaycee. Shaley pine covered slopes above creek, sagebrush plain at summit of hills, sandy flats along creek, lower clay slopes; sagebrush plain. 5300 ft. 43.46167° N, 106.75278° W; uncertainty 1 mi. T40N R83W S1 43.46167 -106.75278 1 mi. Flowering and Fruiting N RM0265515 N 20 RM 140909 Evert 1991 RM 739452 Asteraceae Arnica sororia Greene RM-15895 Erwin F. Evert 21180 27 6 1991 U.S.A. Montana Carbon Beartooth Mountains: Custer National Forest: Sand Dunes Picnic Ground, ca 17 mi NW of Red Lodge. Meadow opening in lodgepole pine forest with Lupinus wyethii, Delphinium bicolor, Arnica sororia, and Koeleria macrantha. 5500 ft. 45.2508° N, 109.5965° W T7S R17E S2 45.2508 -109.5965 Flowering N N 21 RM 141233 Evert 1991 RM 739343 Asteraceae Arnica sororia Greene RM-15911 Erwin F. Evert 21503 8 7 1991 U.S.A. Montana Park Gallatin Range: Gallatin National Forest: Yankee Jim Canyon, on west side of Yellowstone River, ca 12 mi NW of Gardiner. Sagebrush-grassland/Douglas fir woodland mosaic with Elymus spicatus, Stipa comata, Artemisia tridentata, and Pinus flexilis. 5200 ft. 45.1678° N, 110.8727° W T8S R7E S4 45.1678 -110.8727 Flowering N N 22 RM 142524 Evert 1992 RM 754690 Asteraceae Arnica sororia Greene RM-15965 Erwin F. Evert 22791 12 6 1992 U.S.A. Montana Stillwater Ca 1/4-1/2 mi S of Cliff Swallow fishing access site, ca 10 mi W of Absarokee. Ponderosa pine woodland and openings with Arenaria congesta var. lithophila, Agropyron spicatum, Leucopoa kingii, and Claytonia perfoliata 4700 ft. 45.5161° N, 109.6345° W T4S R17E S4 45.5161 -109.6345 Flowering and Fruiting N N 23 RM 143631 Evert 1992 RM 754486 Asteraceae Arnica sororia Greene RM-16003 Erwin F. Evert 23893 17 7 1992 U.S.A. Montana Gallatin Madison Range: Gallatin National Forest: along trail ca 1 mi SW of Albino Lake, ca 12 mi S of Big Sky. Mesic sagebrush-grassland with Festuca idahoensis, Stipa richardsonii, Pentaphylloides floribunda, and Artemisia cana. 7200 ft. 45.0803° N, 111.3014° W T9S R3E S1 45.0803 -111.3014 Flowering and Fruiting N N 24 RM 144832 Evert 1993 RM Asteraceae Arnica sororia Greene RM-16085 Erwin F. Evert 25092 19 6 1993 U.S.A. Idaho Fremont [location and coordinates withheld] Seasonally wet meadow between forks of creek with Veronica perigrina, Plagiobothrys scouleri, Wyethia amplexicaulis, and Allium geyeri. 5480 ft. N N 25 RM 144930 Evert 1993 RM Asteraceae Arnica sororia Greene RM-16090 Erwin F. Evert 25191 20 6 1993 U.S.A. Idaho Teton Targhee National Forest: Big Hole Mountains: along south side of Milk Creek Road, ca 4 mi S of Idaho Hwy 33. Sagebrush-grassland with Viola vallicola, Microseris nutans, Phlox longifolia, and Wyethia amplexicaulis. 6850 ft. 43.8179° N, 111.3296° W T6N R43E S25 43.8179 -111.3296 N N 26 RM 145221 Evert 1993 RM Asteraceae Arnica sororia Greene RM-16109 Erwin F. Evert 25588a 29 6 1993 U.S.A. Wyoming Hot Springs Southeastern Absarokas: ridge 1/4-1/2 mi N and W of Little Grass Creek, in foothills ca 20 mi S of Meeteetse. Rocky sagebrush-grassland and limber pine woodland with Ipomopsis spicata ssp. spicata, Hymenoxys acaulis, Penstemon laricifolius, and Festuca idahoensis. 6800 7000 ft. 43.8507° N, 108.8225° W T45N R100W S23 NW1/4; also NE1/4 S22 43.8507 -108.8225 N N 27 RM 146205 Evert 1993 RM 610690 Asteraceae Arnica sororia Greene RM-16154 Erwin F. Evert 26589b 2 8 1993 U.S.A. Montana Madison Madison Range: Beaverhead National Forest: ca 1/2 mi W of Hammond Creek Ranger Station, 12 mi E of Ennis. Meadow openings and edge of Douglas fir forest with Medicago lupulina, Phleum pratense, Collomia linearis, and Geranium viscosissimum. 6400 ft. 45.3559° N, 111.5267° W T5S R2E S31 45.3559 -111.5267 Flowering N N 28 RM 148413 Evert 1995 RM 783344 RM0265506 Asteraceae Arnica sororia Greene RM-16254 Erwin F. Evert 28793 7 6 1995 U.S.A. Wyoming Hot Springs [location and coordinates withheld] Sagebrush-grassland with scattered Juniperus scopulorum, Lewisia rediviva, Koeleria macrantha, and Carex filifolia. 4600 4900 ft. Flowering N RM0265506 N 29 RM 149469 Evert 1995 RM 783087 rm0103817 Asteraceae Arnica sororia Greene RM-16286 Erwin F. Evert 29849 6 7 1995 U.S.A. Montana Sweet Grass Beartooth Mountains: Gallatin National Forest: along West Bridger Creek, ca 15 mi SSE of Big Timber. Meadow opening with Festuca idahoensis, Delphinium occidentale, Microsteris gracilis, and Arnica fulgens. 5160 ft. 45.618° N, 109.8607° W T2S R15E S34 45.618 -109.8607 Flowering N RM0103817 N 30 RM 150816 Evert 1996 RM 787145 Asteraceae Arnica sororia Greene RM-16344 Erwin F. Evert 31202 14 6 1996 U.S.A. Montana Park Gallatin Range foothills: ridge 1/8-1/4 mi N of Cokedale Road, 6 mi W of Livingston. Grassland/forbland on south facing slope and rocky breaks with scattered juniper and limber pine. 5100 5300 ft. 45.6471° N, 110.6834° W; uncertainty 1 mi. T2S R8E S24 45.6471 -110.6834 1 mi. Flowering and Fruiting N N 31 RM 150916 Evert 1996 RM 787528 Asteraceae Arnica sororia Greene RM-16352 Erwin F. Evert 31303 21 6 1996 U.S.A. Montana Park Absaroka Mountains foothills: Gallatin National Forest: 2 1/2 mi NE of Gardiner, 0-1/3 mi N of the Jardine Road. Sagebrush-grassland on south facing slope with Artemisia nova, Agropyron spicatum, Koeleria macrantha, and Balsamorhiza sagittata. 6350 6600 ft. 45.0513° N, 110.668° W; uncertainty 1 mi. T9S R9E S18 45.0513 -110.668 1 mi. Flowering N N 32 RM 151136 Evert 1996 RM 787415 Asteraceae Arnica sororia Greene RM-16360 Erwin F. Evert 31525 22 6 1996 U.S.A. Montana Park Absaroka Mountains: Gallatin National Forest: along Gold Prize Creek, 0-1/3 mi E of confluence with Sixmile Creek, 8 mi S of Emigrant. Grassland/forbland with Festuca idahoensis, Bromus tectorum, and Phacelia linearis on south facing slope north of creek. 5600 5800 ft. 45.2584° N, 110.7692° W; uncertainty 0.25 mi. T7S R8E S5 45.2584 -110.7692 0 mi. Flowering and Fruiting N N 33 RM 151661 Evert 1996 RM 787877 RM0265538 Asteraceae Arnica sororia Greene RM-16377 Erwin F. Evert 32050 9 7 1996 U.S.A. Wyoming Teton Gros Ventre Mountains: Bridger-Teton National Forest: Soda Lake 2 mi S of the Gros Ventre River, 28 mi E of Jackson. Sagebrush-grassland with Danthonia unispicata, Castilleja flava, and Eriogonum brevicaule var. laxiflorum. 7850 ft. 43.5332° N, 110.2577° W T41N R112W S11 43.5332 -110.2577 N N Flowering N RM0265538 N 34 RM 152414 Evert 1997 RM 818200 RM0021107 Asteraceae Arnica sororia Greene RM-16427 Erwin F. Evert 32804 10 6 1997 U.S.A. Montana Carbon Ridge 4 mi NE of Fromberg; 1.5 mi E of U.S. Hwy 310. Disturbed sagebrush-grassland with Agropyron spicatum, Bromus tectorum, and Alyssum alyssoides. 3900 4000 ft. 45.4433° N, 108.8324° W; uncertainty 1 mi. T4S R23E S36 45.4433 -108.8324 1 mi. Flowering N RM0021107 N 35 RM 153009 Evert 1997 RM 818774 RM0020057 Asteraceae Arnica sororia Greene RM-16446 Erwin F. Evert 33425 28 6 1997 U.S.A. Montana Park Ridge and draw immediately E of the Yellowstone River, ca 2.5 mi S of Livingston. Grassland with some scattered limber pine and Douglas fir. 4800 4900 ft. T2S R9E S36 Flowering and Fruiting N RM0020057 N 36 RM 154304 Evert 1998 RM 820224 RM0014916 Asteraceae Arnica sororia Greene RM-16496 Erwin F. Evert 34820 2 6 1998 U.S.A. Montana Carbon Wolf Canyon 1 mi S of the Yellowstone River, ca 14 mi WSW of Laurel. Sides of canyon in rocky open ponderosa pine forest with Agropyron spicatum, Festuca idahoensis, and Rhus trilobata in the understory. 3600 3700 ft. 45.5889° N, 109.0381° W; uncertainty 0.5 mi. T3S R22E S8 SE1/4 45.5889 -109.0381 1 mi. Flowering N RM0014916 N 37 RM 154588 Evert 1998 RM 820358 RM0024398 Asteraceae Arnica sororia Greene RM-16509 Erwin F. Evert 35107 13 6 1998 U.S.A. Wyoming Fremont Bridger Mountains: south side of Birdseye Mountain, 1.5 mi SW of Birdseye Pass; 14 mi N of Shoshoni. Sagebrush-grassland with scattered juniper, Carex filifolia, Koeleria macrantha, and Lomatium orientale. 6430 ft. 43.4349° N, 108.1022° W; uncertainty 1 mi. T40N R94W S15 43.4349 -108.1022 1 mi. Flowering N RM0024398 N 38 RM 155041 Evert 1998 RM 821017 RM0014052 Asteraceae Arnica sororia Greene RM-16527 Erwin F. Evert 35565 8 7 1998 U.S.A. Montana Sweet Grass Absaroka-Beartooth Mountains: Gallatin National Forest: Hells Canyon Campground along Boulder River, 35 mi SW of Big Timber. Just southeast of campground on rock outcroppings in open Douglas fir forest with Festuca idahoensis, Lomatium cous, and Antennaria anaphaloides. 6200 6300 ft. 45.3559° N, 110.2104° W; uncertainty 1 mi. T5S R12E S35 45.3559 -110.2104 1 mi. Flowering and Fruiting N RM0014052 N 39 RM 155981 Evert 1999 RM 822297 RM0015093 Asteraceae Arnica sororia Greene RM-16600 Erwin F. Evert 36513 4 6 1999 U.S.A. Montana Stillwater Coal Mine Coulee, ca 10 mi SE of Columbus. Grassland and open ponderosa pine forest with Koeleria macrantha, Agropyron spicatum, Bouteloua gracilis, and Balsamorhiza incana. 3700 ft. 45.5743° N, 109.1409° W; uncertainty 1 mi. T3S R21E S16 45.5743 -109.1409 1 mi. Flowering N RM0015093 N 40 RM 156071 Evert 1999 RM 822404 RM0014392 Asteraceae Arnica sororia Greene RM-16603 Erwin F. Evert 36603 5 6 1999 U.S.A. Montana Stillwater Ridge just N of the Huntley Creek Road, 4 mi SW of Columbus. Grassland and open ponderosa pine forest on south-facing slope with Koeleria macrantha, Cerastium arvense, Pediomelum esculentum, and Zigadenus venenosus var. gramineus. 3900 4000 ft. 45.618° N, 109.326° W; uncertainty 1 mi. T2S R19E S36 NW1/4 45.618 -109.326 1 mi. Flowering and Fruiting N RM0014392 N 41 RM 156100 Evert 1999 RM 822379 RM0013886 Asteraceae Arnica sororia Greene RM-16605 Erwin F. Evert 36632 5 6 1999 U.S.A. Montana Sweet Grass Ridge ca 1 mi S of the Yellowstone River and 2 mi WSW of Reed Point. Grassland and open ponderosa pine forest with Purshia tridentata, Geum triflorum, Arnica sororia, and Astragalus miser var. decumbens. 4000 4100 ft. 45.7053° N, 109.5728° W; uncertainty 1 mi. T1S R17E S36 45.7053 -109.5728 1 mi. Flowering N RM0013886 N 42 RM 156186 Evert 1999 RM 822488 RM0014490 Asteraceae Arnica sororia Greene RM-16607 Erwin F. Evert 36718 11 6 1999 U.S.A. Montana Park Absaroka Mountains: Yellowstone National Park: Black Canyon of the Yellowstone, along the Yellowstone River between Crevice Lake and Knowles Falls. Douglas fir forest and openings with Zigadenus venenosus var. gamineus, Geum triflorum, and Collinsia parviflora. 5600 5700 ft. 45.0077° N, 110.5862° W; uncertainty 1 mi. T9S R9E S35 45.0077 -110.5862 1 mi. Flowering and Fruiting N RM0014490 N 43 RM 156298 Evert 1999 RM 822611 RM0024323 Asteraceae Arnica sororia Greene RM-16611 Erwin F. Evert 36829 20 6 1999 U.S.A. Wyoming Park Yellowstone Plateau: Yellowstone National Park: along the east side of Hellroaring Creek, ca 1 mi N of the Yellowstone River. Sagebrush-grassland with Phlox longifolia, Festuca idahoensis, and Erigeron linearis. 6600 ft. 44.9649° N, 110.4506° W; uncertainty 1 mi. T58N R112W S31 44.9649 -110.4506 1 mi. Flowering N RM0024323 N 44 RM 156387 Evert 1999 RM 822666 RM0023605 Asteraceae Arnica sororia Greene RM-16614 Erwin F. Evert 36920 10 7 1999 U.S.A. Wyoming Park Absaroka Mountains: Yellowstone National Park: just E of Slough Creek, ca 3 mi NE of Slough Creek Campground. Rock outcroppings with Penstemon fruticosus, Woodsia scopulina, and Linanthus septentrionalis. 6580 ft. 44.9504° N, 110.247° W; uncertainty 1 mi. T57N R111W S2 44.9504 -110.247 1 mi. Flowering and Fruiting N RM0023605 N 45 RM 191696 Gray Hills 1990 RM 738081 RM0265500 Asteraceae Arnica sororia Greene RM-17796 Ronald L. Hartman 26606 6 7 1990 U.S.A. Wyoming Teton Mount Leidy Highland Area: Gray Hills: ridge E of Slate Creek and slope to east, ca 5 air mi NW of west end of Lower Slide Lake. Aspen grove and meadows. 7300 7900 ft. 43.64639° N, 110.38° W T43N R113W S35 43.64639 -110.38 N RM0265500 N 46 RM 195106 Gros Ventre 1995 RM 660425 RM0265453 Asteraceae Arnica sororia Greene RM-17907 Ronald L. Hartman 51563 28 6 1995 U.S.A. Wyoming Teton Gros Ventre Area: ca 7 air mi NE of Jackson. Fen and surrounding sagebrush plains. 6800 6900 ft. 43.5476° N, 110.6362° W; uncertainty 1 mi. T41N R115W S3 43.5476 -110.6362 1 mi. Flowering and Fruiting N RM0265453 N 47 RM 196399 Mt Leidy 1995 RM 660423 RM0265452 Asteraceae Arnica sororia Greene RM-18146 Ronald L. Hartman 51127 23 6 1995 U.S.A. Wyoming Teton Mount Leidy Highland Area: Road (FS 30160) 0.7 road mi SW of Hatchet Campground. Sandy soil with patches of lodgepole pine, aspen, and occasional pond. 7300 7400 ft. 43.8224° N, 110.3672° W; uncertainty 1 mi. T45N R113W S36 43.8224 -110.3672 1 mi. Flowering N RM0265452 N 48 RM 196419 Mt Leidy 1995 RM 660424 RM0265451 Asteraceae Arnica sororia Greene RM-18146 Ronald L. Hartman 51147 23 6 1995 U.S.A. Wyoming Teton Mount Leidy Highland Area: Road (FS 30160) 0.7 road mi SW of Hatchet Campground. Sandy soil with patches of lodgepole pine, aspen, and occasional pond. 7300 7400 ft. 43.8224° N, 110.3672° W; uncertainty 1 mi. T45N R113W S36 43.8224 -110.3672 1 mi. Flowering N RM0265451 N 49 RM 196939 Mt Leidy 1995 RM 660426 RM0265450 Asteraceae Arnica sororia Greene RM-18159 Ronald L. Hartman 51737 14 7 1995 U.S.A. Wyoming Teton Mount Leidy Highland Area: Spread Creek, ca 5 air mi SW of Black Rock Ranger Station. Bluffs overlooking creek, often sandy, slopes and along creek, and wooded areas. 7300 7500 ft. 43.778° N, 110.4171° W; uncertainty 1 mi. T44N R113W S16 43.778 -110.4171 1 mi. Flowering and Fruiting N RM0265450 N 50 RM 197260 Mt Leidy 1995 RM 660427 RM0265449 Asteraceae Arnica sororia Greene RM-18162 Ronald L. Hartman 52068 16 7 1995 U.S.A. Wyoming Teton Mount Leidy Highland Area: ca 6 air mi SSW of Moran. Grassy area. 7300 7400 ft. 43.7633° N, 110.5515° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T44N R114W S20 43.7633 -110.5515 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N RM0265449 N 51 RM 199439 Heidel 2005 RM 785851 RM0265507 Asteraceae Arnica sororia Greene RM-18321 Loy R. Phillippe 36815 Richard L. Larimore, J. L. Crane, Daniel T. Busemeyer 14 6 2004 U.S.A. Wyoming Washakie Tensleep Preserve, The Nature Conservancy: southwest flank, foothills of the Big Horn Mountains, ca 10 mi E of Ten Sleep. Monument Hill quad. Open 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, 6700 ft. 43.9937° N, 107.2136° W; GPS Reading 43.9937 -107.2136 GPS Reading Ray and disk flowers yellow. Flowering N RM0265507 N 52 RM 211550 Handley 2000 RM Asteraceae Arnica sororia Greene RM-19852 Joy Handley 3848 19 5 2000 U.S.A. Idaho Adams Payette 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. Open east-facing hillside dominated by grasses and Symphoricarpos. 3200 4000 ft. 44.9409° N, 116.7282° W T19N R3W S32 44.9409 -116.7282 Flowering and Fruiting N N 53 RM 212183 Handley 2000 RM Asteraceae Arnica sororia Greene RM-19861 Joy Handley 4474 27 5 2000 U.S.A. Idaho Washington Payette 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. Steep north-facing slope dominated by Pseudotsuga menziesii and mesic shrubs. 3000 3400 ft. 44.4468° N, 116.8428° W T13N R4W S20 E1/4 44.4468 -116.8428 Flowering and Fruiting N N 54 RM 212403 Handley 2000 RM Asteraceae Arnica sororia Greene RM-19866 Joy Handley 4692 1 6 2000 U.S.A. Idaho Adams Payette 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. Roadside of steep canyon dominated by grasses and shrubs, especially Rhus. 1800 2100 ft. 45.1874° N, 116.7079° W T21N R3W S4 W1/2 45.1874 -116.7079 Flowering and Fruiting N N 55 RM 213017 Handley 2000 RM Asteraceae Arnica sororia Greene RM-19874 Joy Handley 5302 Denise L. Fairbanks 13 6 2000 U.S.A. Idaho Washington Payette 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. Pinus ponderosa plantation (approx. 25 yrs old) in mixed conifer forest. 5000 5550 ft. 44.6798° N, 116.9882° W T16N R5W S31 E1/2; also NW1/4 S32 44.6798 -116.9882 Flowering and Fruiting N N 56 RM 213415 Handley 2000 RM Asteraceae Arnica sororia Greene RM-19878 Joy Handley 5699 20 6 2000 U.S.A. Idaho Adams Payette 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. West-facing grassy slope. 4800 5200 ft. 44.9119° N, 116.2185° W T18N R2E S9 E1/2; also SE1/4 S4 44.9119 -116.2185 Flowering and Fruiting N N 57 RM 216334 Handley 1999 RM Asteraceae Arnica sororia Greene RM-19952 Joy Handley 1099 29 6 1999 U.S.A. Idaho Adams Payette 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. Rocky basalt soil dominated by Elymus spicatus and Festuca idahoensis, interspersed with scablands dominated by Poa secunda and Artemisia tripartita. 4350 4600 ft. 44.9699° N, 116.7079° W T19N R3W S21 N1/2 of S1/2; South1/2 of N1/2 and 44.9699 -116.7079 Flowering and Fruiting N N 58 RM 216710 Handley 1999 RM Asteraceae Arnica sororia Greene RM-19959 Joy Handley 1433 5 7 1999 U.S.A. Idaho Adams Payette 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. Dry flat; rocky bastalt soil; former Pinus ponderosa overstory logged and burned. 4300 ft. 44.9989° N, 116.7079° W T19N R3W S9 SW1/4 of SW1/4; also NW1/4 of NW1/4 S16 44.9989 -116.7079 Flowering and Fruiting N N 59 RM 217141 Handley 1999 RM Asteraceae Arnica sororia Greene RM-19972 Joy Handley 1816 12 7 1999 U.S.A. Idaho Adams Payette 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. Dry subalpine meadow/rocky outcrop; dominated by Festuca idahoensis, with Carex geyeri and some Artemisia tridentata. 6950 7126 ft. 45.1729° N, 116.6671° W T21N R3W S11 South1/2 of SE1/4 45.1729 -116.6671 Flowering and Fruiting N N 60 RM 219982 Handley 1999 RM Asteraceae Arnica sororia Greene RM-19950 Joy Handley 94 8 6 1999 U.S.A. Idaho Washington Payette 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. Bench and ridge; basalt, rocky soil; Artemisia tridentata/Purshia tridentata/Elymus spicatus with scattered Pinus ponderosa. 4000 4100 ft. 44.7084° N, 116.9072° W T16N R5W S23 SE1/4 of NE1/4 44.7084 -116.9072 Flowering and Fruiting N N 61 RM 220077 Handley 1999 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by Joy Handley. RM-20030 Ronald L. Hartman 64148 1 6 1999 U.S.A. Idaho Washington Payette National Forest and Vicinity: ca 12.5 air mi S of Brownlee Dam. Volcanic rocky soil, mixed shrub/grassland, steep slope with ephemeral stream. 3550 3720 ft. 44.6649° N, 116.8263° W T15N R4W S4 W1/2 of SE1/4 44.6649 -116.8263 Flowering and Fruiting N N 62 RM 229700 So Salt River Range RM 645752 RM0265446 Asteraceae Arnica sororia Greene RM-20458 B. E. Nelson 35817 29 6 1995 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Sublette Range: ridge between Mill and Corral creeks, ca 7 air mi NNE of Cokeville; ca 32.5 air mi NW of Kemmerer. Burn in sagebrush-grassland. 6720 6880 ft. 42.1809° N, 110.9035° W T25N R118W S6 South1/4 42.1809 -110.9035 Flowering N RM0265446 N 63 RM 229917 So Salt River Range Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by Thomas Cramer. RM-20462 B. E. Nelson 36035 30 6 1995 U.S.A. Idaho Bear Lake Bear 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. Grassy open area on sagebrush slope. 7080 7480 ft. 42.093° N, 111.0625° W T15S R46E S27 NE1/4 42.093 -111.0625 Flowering N N 64 RM 229996 So Salt River Range RM 645706 RM0265447 Asteraceae Arnica sororia Greene RM-20464 B. E. Nelson 36505 C. H. Refsdal 8 7 1995 U.S.A. Wyoming Lincoln Southern 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. Meadow on sagebrush slope and saddle. 7120 7460 ft. 42.031° N, 111.034° W T24N R120W S27 SW1/4; also NW1/4 S34 42.031 -111.034 Flowering N RM0265447 N 65 RM 230059 So Salt River Range RM 645705 RM0265448 Asteraceae Arnica sororia Greene RM-20468 B. E. Nelson 36569 C. H. Refsdal 10 7 1995 U.S.A. Wyoming Lincoln Southern 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. Open meadows among sagebrush on ridgetop. 7140 7540 ft. 41.8669° N, 110.8601° W; uncertainty 1 mi. T22N R118W S19 41.8669 -110.8601 1 mi. Flowering N RM0265448 N 66 RM 230529 So Salt River Range RM 645753 RM0265445 Asteraceae Arnica sororia Greene RM-20497 Thomas Cramer 7692 Jane T. Kellett 11 7 1995 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: ca 13.5 air mi N of Cokeville; Sublette Range at Raymond Creek. Grassy hillside with Cercocarpus, and Amelanchier. 6400 6600 ft. 42.27° N, 111.0231° W T26N R119W S6 NE1/4 42.27 -111.0231 Flowering N RM0265445 N 67 RM 272914 Lum 2001 RM 800805 RM0096881 Asteraceae Arnica sororia Greene RM-22450 B. E. Nelson 52437 Luanne Lum 7 6 2001 U.S.A. Wyoming Washakie Bighorn 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. Swales and more moist areas on slopes. 5220 5360 ft. 43.6827° N, 107.5851° W; uncertainty 0.5 mi. T43N R89W S19 NW1/4 43.6827 -107.5851 1 mi. Flowering N RM0096881 N 68 RM 273048 Lum 2001 RM 800804 RM0096880 Asteraceae Arnica sororia Greene RM-22455 B. E. Nelson 52568 Luanne Lum 10 6 2001 U.S.A. Wyoming Park Bighorn Basin: at the head of Sand Spring Draw above Rimrock Basin, ca 9 air mi NE of Meeteetse; ca 25 air mi SE of Cody. Snow accumulation areas on sandy slopes in the breaks. 5540 5680 ft. 44.2339° N, 108.7427° W; uncertainty 0.5 mi. T49N R99W S10 NE1/4 44.2339 -108.7427 1 mi. Flowering N RM0096880 N 69 RM 273937 Lum 2001 RM 800806 RM0096882 Asteraceae Arnica sororia Greene RM-22498 Luanne Lum 434c Michelle Wilson 2 7 2001 U.S.A. Wyoming Washakie Big Horn Mountains: S of Bar C Creek, ca 54 air mi ESE of Thermopolis. Lodgepole pine and aspen with sagebrush. 8000 8050 ft. 43.5205° N, 107.1622° W; uncertainty 1 mi. T41N R86W S15 NW1/4; also T41N R86W SW1/4 S10 43.5205 -107.1622 1 mi. Flowering N RM0096882 N 70 RM 276070 Lum 2002 RM 803976 RM0098624 Asteraceae Arnica sororia Greene RM-22584 Luanne Lum 2180 4 6 2002 U.S.A. Wyoming Hot Springs Bighorn Basin: along Black Mountain Road on Lake Creek Divide, ca 22 mi ENE of Thermopolis. Sagebrush and yucca on shale and sandy soil. 5120 5200 ft. 43.6682° N, 107.7856° W; uncertainty 1 mi. T43N R91W S28 43.6682 -107.7856 1 mi. Flowering N RM0098624 N 71 RM 276286 Lum 2002 RM 803975 RM0098622 Asteraceae Arnica sororia Greene RM-22589 Luanne Lum 2394 8 6 2002 U.S.A. Wyoming Hot Springs Bighorn Basin: along Centennial Road, ca 6.1 air mi ENE of Thermopolis. Juniper and sagebrush on sandstone. 4850 4960 ft. 43.6772° N, 108.1262° W; uncertainty 1 mi. T43N R94W S22 N1/2 43.6772 -108.1262 1 mi. Flowering N RM0098622 N 72 RM 276570 Lum 2002 RM 803974 RM0098623 Asteraceae Arnica sororia Greene RM-22597 Luanne Lum 2669 14 6 2002 U.S.A. Wyoming Washakie Bighorn Basin: W of Nowood River and Wyo Highway 434, ca 4.5 air mi SE of Tensleep. Juniper and sagebrush. 4525 4620 ft. 43.9833° N, 107.4001° W; uncertainty 0.5 mi. T46N R88W S2 SE1/4 43.9833 -107.4001 1 mi. Flowering N RM0098623 N 73 RM 276647 Lum 2002 RM 803973 RM0098621 Asteraceae Arnica sororia Greene RM-22598 Luanne Lum 2744 14 6 2002 U.S.A. Wyoming Washakie Big 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. Mountain meadow. 7320 7342 ft. 43.9689° N, 107.1791° W; uncertainty 1 mi. T46N R86W S10 N1/2 43.9689 -107.1791 1 mi. Flowering N RM0098621 N 74 RM 276844 Lum 2002 RM 803942 RM0099163 Asteraceae Arnica sororia Greene RM-22603 Luanne Lum 2937 22 6 2002 U.S.A. Wyoming Washakie Big 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. Sagebrush on sandy soil with cobbles. 6370 6600 ft. 43.7512° N, 107.2417° W; uncertainty 0.5 mi. T44N R87W S25 NE1/4 43.7512 -107.2417 1 mi. Flowering and Fruiting N RM0099163 N 75 RM 277034 Lum 2002 RM 803941 RM0099164 Asteraceae Arnica sororia Greene RM-22607 Luanne Lum 3124 24 6 2002 U.S.A. Wyoming Washakie Big Horn Mountains: along Wyo Hwy 435, ca 10 air mi ENE of Ten Sleep. Juniper, pine, and sagebrush on sandy soil with cobbles. 5960 6120 ft. 44.0984° N, 107.2795° W; uncertainty 0.5 mi. T48N R87W S26 SW1/4 44.0984 -107.2795 1 mi. Flowering and Fruiting N RM0099164 N 76 RM 277094 Lum 2002 RM 803940 RM0099165 Asteraceae Arnica sororia Greene RM-22608 Luanne Lum 3184 24 6 2002 U.S.A. Wyoming Washakie Big Horn Mountains: along Wyo Hwy 435, ca 6.7 air mi ENE of Ten Sleep. Juniper, pine, and sagebrush on sandy soil with cobbles. 6120 6680 ft. 44.1128° N, 107.2594° W; uncertainty 0.5 mi. T48N R87W S24 SW1/4 44.1128 -107.2594 1 mi. Flowering and Fruiting N RM0099165 N 77 RM 277335 Lum 2002 RM 803939 RM0099166 Asteraceae Arnica sororia Greene RM-22614 Luanne Lum 3418b 30 6 2002 U.S.A. Wyoming Big Horn Big 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. Juniper and sagebrush. 7910 7980 ft. 44.3208° N, 107.4351° W; uncertainty 1 mi. T50N R88W S10 N1/2 44.3208 -107.4351 1 mi. Flowering N RM0099166 N 78 RM 277619 Lum 2002 RM 803938 RM0099167 Asteraceae Arnica sororia Greene RM-22619 Luanne Lum 3692 5 7 2002 U.S.A. Wyoming Washakie Big Horn Mountains: along Forest Road 27 and West Tensleep Creek, ca 12 air mi NE of Ten Sleep and ca 36.5 ENE Worland. Sagebrush and pine forest. 7850 7960 ft. 44.156° N, 107.2594° W; uncertainty 0.5 mi. T48N R87W S1 NE1/4 44.156 -107.2594 1 mi. Flowering N RM0099167 N 79 RM 279565 Lum 2002 RM 803907 RM0099168 Asteraceae Arnica sororia Greene RM-22669 Luanne Lum 5600 10 8 2002 U.S.A. Wyoming Park Bighorn Basin: along Forest Road 200 at Wood River, ca 21 air mi SW of Meeteetse. Riparian and mixed coniferous forest. 7370 7400 ft. 43.9246° N, 109.1415° W; uncertainty 0.5 mi. T46N R102W S30 NW1/4 43.9246 -109.1415 1 mi. Flowering N RM0099168 N 80 RM 291790 Massatti 2005 USFS 843070 USFS0026422 Asteraceae Arnica sororia Greene RM-23784 Rob Massatti 337 13 6 2005 U.S.A. Wyoming Fremont East Slope Wind River Range and Vicinity: southeast side of Fairfield Hill, ca 6 air mi SW of Lander. Aspen stand in stream gully. 8120 8380 ft. 42.7442° N, 108.845° W to 42.7427° N, 108.8566° W; GPS Reading T32N R101W S13 South1/2 42.7442 -108.845 NAD 83 GPS Reading Flowering N USFS0026422 N 81 RM 293792 Massatti 2006 USFS 843069 USFS0026421 Asteraceae Arnica sororia Greene RM-23875 Rob Massatti 4624 25 5 2006 U.S.A. Wyoming Fremont East Slope Wind River Range and Vicinity: ca 3 mi SW of Weiser Knoll; ca 15 air mi SSE of Lander. Rocky meadow on limestone. 6780 7130 ft. 42.6015° N, 108.6259° W to 42.6291° N, 108.6488° W; GPS Reading T30N R99W S2 N1/2; also NE1/4 S3 and T31N R99W S34, S27 and W1/2 S35 42.6015 -108.6259 NAD 83 GPS Reading Flowering N USFS0026421 N 82 RM 293847 Massatti 2006 USFS 843068 USFS0026420 Asteraceae Arnica sororia Greene RM-23875 Rob Massatti 4679 25 5 2006 U.S.A. Wyoming Fremont East Slope Wind River Range and Vicinity: ca 3 mi SW of Weiser Knoll; ca 15 air mi SSE of Lander. Rocky meadow on limestone. 6780 7130 ft. 42.6015° N, 108.6259° W to 42.6291° N, 108.6488° W; GPS Reading T30N R99W S2 N1/2; also NE1/4 S3 and T31N R99W S34, S27 and W1/2 S35 42.6015 -108.6259 NAD 83 GPS Reading Flowering N USFS0026420 N 83 RM 323361 Newton 2006 RM Asteraceae Arnica sororia Greene RM-25234 Rachel Newton 4750 11 6 2006 U.S.A. Wyoming Crook Wetlands and Adjacent Areas: Inyan Kara Creek, ca 17 air mi NE of Moorcroft. Dry Artemisia scrub uplands. 4000 ft. 44.44861° N, 104.72858° W; GPS Reading T52N R66W S36 SE1/4 44.44861 -104.72858 NAD 83 GPS Reading Flowering and Fruiting N N 84 RM 32605 Arizona/New Mexico RM 742732 Asteraceae Arnica sororia Greene RM-8492 N. Duane Atwood 25809 20 6 2000 U.S.A. Arizona Apache Chuska Mountains: 1 mi E of Roof Butte. Ephemeral pond and adjacent Ponderosa community. 8800 ft. T35N R30E S11 NE1/4 36.46079 -109.07789 NAD 83 1 mi. N N Nat. Geog. TOPO! Flowering N N 85 RM 339433 Porter RM 236914 RM0265517 Asteraceae Arnica sororia Greene RM-31503 C. L. Porter 6296 2 7 1953 U.S.A. Wyoming Hot Springs Owl Creek Range: (Jones Creek) on Copper Mountain, 9 mi SE of Thermoplis. Meadows. 6100 ft. 43.569° N, 108.1223° W; NAD 83, uncertainty 2 mi., Digital Map T42N R94W S34 43.569 -108.1223 NAD 83 2 mi. Digital Map Located 9 miles SE of Thermopolis; on the north end of Jones Creek Canyon near Jones Creek; on the east side of Grass Creek; ca 1.5 miles north of Devil Slide; ca 1.5 miles east of Buffalo & Block Canyon; geo-locate.org. EL Flowering and Fruiting N RM0265517 N 86 RM 355593 R Jones 1991 RM Asteraceae Arnica sororia Greene RM-33249 Robin Jones 1985 11 7 1991 U.S.A. Wyoming Hot Springs Owl Creek/Bridger Mountains: Hogback Ridge, ca 15 air mi NW of Hamilton Dome; ca 35 air mi NW of Thermopolis. Northeast-facing slope of ridge composed of sandstone and mudstone. 6200 6571 ft. 43.96944° N, 108.7194° W T46N R99W S10; also S15 43.96944 -108.7194 N N 87 RM 355820 R Jones 1991 RM Asteraceae Arnica sororia Greene RM-33253 Robin Jones 2210 Mabel Jones 27 7 1991 U.S.A. Wyoming Hot Springs Owl Creek/Bridger Mountains: South Fork Owl Creek. Gravel bars, forested points, willows, and seeps in riparian area. 8420 8850 ft. 43.67805° N, 109.1242° W T43N R102W S20; also S17, S18; also T43N R103W S11, S13; also S14 43.67805 -109.1242 N N 88 RM 359160 RMHERB1 RM 169870 RM0265522 Asteraceae Arnica sororia Greene RM-35248 Aven Nelson 5721 Elias Nelson 8 7 1899 U.S.A. Wyoming Park Yellowstone National Park: Yancey's. In open ground. 6200 ft. 44.9369° N, 110.4303° W; uncertainty 2 mi. T57N R112W S8 44.9369 -110.4303 2 mi. Y Y Flowering N RM0265522 N 89 RM 359161 RMHERB1 RM 20783 RM0265521 Asteraceae Arnica sororia Greene RM-35248 Aven Nelson 5721 Elias Nelson 8 7 1899 U.S.A. Wyoming Park Yellowstone National Park: Yancey's. In open ground. 6200 ft. 44.9369° N, 110.4303° W; uncertainty 2 mi. T57N R112W S8 44.9369 -110.4303 2 mi. Y Y Flowering N RM0265521 N 90 RM 362011 RMHERB1 RM 362288 RM0265532 Asteraceae Arnica sororia Greene RM-37059 Betsy E. Neely 1311 Alan Carpenter 26 6 1983 U.S.A. Wyoming Lincoln Ca 2.5 air mi NW of Kemmerer, SW of Hams Fork. Hardpacked clay soils with Artemisia arbuscula. 7200 ft. 41.8371° N, 110.5896° W; uncertainty 1 mi. T22N R116W S33 41.8371 -110.5896 1 mi. N N Flowering and Fruiting N RM0265532 N 91 RM 363165 RMHERB1 RM 204606 RM0265534 Asteraceae Arnica sororia Greene RM-37912 Charles L. Turner 44 6 6 1946 U.S.A. Wyoming Campbell 20 mi N of Gillette. Sandy clay loam hills, open cedar type. 4100 ft. 44.5554° N, 105.581° W; uncertainty 9+ mi. T53N R73W S24 44.5554 -105.581 9 mi. Flowering and Fruiting N RM0265534 N 92 RM 363504 RMHERB1 RM 304888 RM0265528 Asteraceae Arnica sororia Greene RM-38120 Donald E. Brink 1282 L. M. Mayer 27 5 1977 U.S.A. Wyoming Sheridan Hidden Water Coal Site. Sagebrush-grassland. 3900 4200 ft. 44.9612° N, 107.0404° W; uncertainty 0.5 mi. T58N R84W S31 NW1/4 44.9612 -107.0404 1 mi. Flowering N RM0265528 N 93 RM 364105 RMHERB1 RM 301572 RM0265530 Asteraceae Arnica sororia Greene RM-38562 Darold W. Sabinske 13c 4 7 1970 U.S.A. Wyoming Teton Grand Teton National Park: near Moose. Big sagebrush area. 6600 ft. 43.6914° N, 110.6554° W; uncertainty 0.5 mi. T43N R115W S16 SW1/4 43.6914 -110.6554 1 mi. Y N Flowering and Fruiting N RM0265530 N 94 RM 365692 RMHERB1 RM 103898 RM0265535 Asteraceae Arnica sororia Greene RM-39764 Edwin B. Payson 4341 Lois B. Payson 10 7 1925 U.S.A. Wyoming Sublette Near Cora. Open places. 7600 ft. 42.989° N, 110.0001° W; NAD 83, uncertainty 1 mi., GPS reading T34N R110W S4 42.989 -110.0001 NAD 83 1 mi. N Y GPS reading Located W of Bar Cross Ranch. BEN Flowering and Fruiting N RM0265535 N 95 RM 369055 RMHERB1 RM 334641 RM0044167 Asteraceae Arnica sororia Greene RM-40587 Erwin F. Evert 2013 5 7 1980 U.S.A. Wyoming Park Absaroka Mountains: ca 1/4 mi S of North Fork Shoshone River along Fishhawk Creek Trail. Growing in open along trail with Stipa comata, Myosotis arvensis, and Alyssum alyssoides. 6400 ft. 44.44972° N, 109.84917° W; uncertainty 0.5 mi. T52N R108W S27 SW1/4 44.44972 -109.84917 1 mi. Flowering and Fruiting N RM0044167 N 96 RM 369225 Evert 1993 RM 611730 RM0044169 Asteraceae Arnica sororia Greene RM-40674 Erwin F. Evert 25387 27 6 1993 U.S.A. Wyoming Hot Springs Southeastern Absarokas: foothills and ridge ca 0.5 mi W of Enos Creek, ca 20 mi SSW of Meeteetse. Sagebrush-grassland with Festuca idahoensis, Leucopoa kingii, Antennaria rosea, Cerastium arvense, and with a few scattered Pinus flexilis and Juniperus scopulorum. 6600 ft. 43.9246° N, 108.8225° W T46N R100W S26 NE1/4 43.9246 -108.8225 Flowering and Fruiting N RM0044169 N 97 RM 371323 Evert 1984 RM 609252 RM0044168 Asteraceae Arnica sororia Greene RM-41599 Erwin F. Evert 6698 27 6 1984 U.S.A. Wyoming Park North 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. Open Douglas fir forest. 6500 6800 ft. 44.4497° N, 109.8083° W T52N R108W S25; also S26 44.4497 -109.8083 Flowering and Fruiting N RM0044168 N 98 RM 372453 Evert 1985 RM 622572 RM0265505 Asteraceae Arnica sororia Greene RM-15248 Erwin F. Evert 8215 9 7 1985 U.S.A. Wyoming Sheridan Big Horn Mountains: ridge W of Story Fish Hatchery buildings and ponds. On steep, east-facing slope in open Pinus ponderosa forest and in forest openings; calcareous, clayey soil. 5400 5650 ft. 44.5701° N, 106.9175° W; uncertainty 0.5 mi. T53N R84W S13 SW1/4 44.5701 -106.9175 1 mi. Flowering and Fruiting N RM0265505 N 99 RM 375399 RMHERB1 RM 311040 RM0265527 Asteraceae Arnica sororia Greene RM-42991 George R. Hoffman 727 23 6 1974 U.S.A. Wyoming Johnson 6.3 mi W of Buffalo on U.S. Hwy 16, 0.2 mi from turnoff along gravel road. Along gravel road; Pinus ponderosa, Spiraea betulifolia habitat type. 5680 ft. 44.33139° N, 106.81139° W; uncertainty 1 mi. T50N R83W S2 44.33139 -106.81139 1 mi. N N Flowering N RM0265527 N 100 RM 377406 RMHERB1 RM 264603 RM0265524 Asteraceae Arnica sororia Greene RM-44279 Herbert G. Fisser 239 14 7 1960 U.S.A. Wyoming Fremont SE of Thermopolis and E of Wind River Canyon: North Flank of the Owl Creek Range: Birdseye Pass area. 7000 ft. 43.4492° N, 108.0824° W; uncertainty 1 mi. T40N R94W S12 43.4492 -108.0824 1 mi. N Y Flowering and Fruiting N RM0265524 N 101 RM 377508 RMHERB1 RM 264410 RM0265523 Asteraceae Arnica sororia Greene RM-44335 Herbert G. Fisser 472 16 6 1961 U.S.A. Wyoming Hot Springs North flank of Owl Creek Range: E of Wind River Canyon: Devils Slide, SE of Thermopolis. Three-tip sagebrush grassland. 6100 ft. 43.565° N, 108.12583° W; uncertainty 5 mi. T42N R94W S34 43.565 -108.12583 5 mi. N Y Flowering and Fruiting N RM0265523 N 102 RM 378458 RMHERB1 USFS 636194 USFS0070921 Asteraceae Arnica sororia Greene RM-44867 John F. Thilenius 262 23 6 1976 U.S.A. Wyoming Campbell Thunder Basin National Grassland: Rochelle Hills. 5000 5100 ft. 43.5999° N, 105.111° W; uncertainty 1 mi. T42N R69W S23 43.5999 -105.111 1 mi. Flowering N USFS0070921 N 103 RM 385307 Harrison RM 297871 RM0265526 Asteraceae Arnica sororia Greene RM-48927 Orval C. Harrison 140 21 6 1975 U.S.A. Wyoming Lincoln Star Valley-Greys River in the Afton Area: along Strawberry Creek, 0.9 mi E of U.S. Hwy 89. Growing in gravelly soil along fence rows with Phlox, Comandra, Microseris nutans, and Agoseris glauca. 6040 ft. 42.8863° N, 110.9825° W; uncertainty 1 mi. T34N R119W S36 42.8863 -110.9825 1 mi. Flowering N RM0265526 N 104 RM 386249 RMHERB1 RM 197373 RM0265533 Asteraceae Arnica sororia Greene RM-49711 Robert E. Pfadt 128 30 5 1944 U.S.A. Wyoming Sheridan Sheridan. 3750 ft. 44.8051° N, 106.958° W; uncertainty 3 mi. T56N R84W S27 44.8051 -106.958 3 mi. Y Y Flowering N RM0265533 N 105 RM 386735 RMHERB1 RM 391683 RM0265531 Asteraceae Arnica sororia Greene RM-50025 Robert J. Hill 834 10 7 1973 U.S.A. Wyoming Sublette Great Divide Basin and adjacent regions: Pinedale Glacial Fields; E of Fremont Lake. Frequent with Artemisia tridentata. 7400 ft. 42.94611° N, 109.77028° W; uncertainty 2 mi. T34N R108W S5; also T35N R108W S32 42.94611 -109.77028 2 mi. Flowering and Fruiting N RM0265531 N 106 RM 387267 RMHERB1 RM 545712 RM0265536 Asteraceae Arnica sororia Greene RM-127135 Randall J. Bayer WY-804 Glenn Bilodeau, Daniel Lebedyk 1 7 1988 U.S.A. Wyoming Big Horn Bighorn National Forest: U.S. Hwy 14A between Lovell and Burgess Junction just N of Medicine Mountain, 7 km W of Sheridan County. Roadside slope with Artemisia tridentata and Abies lasiocarpa. 8700 ft. 44° 47' N, 107° 53' W T56N R92W S27 44.783333 -107.883333 N N Flowering and Fruiting N RM0265536 N 107 RM 387545 RMHERB1 RM 293282 RM0265537 Asteraceae Arnica sororia Greene RM-50675 Richard F. Harner 21 8 6 1974 U.S.A. Wyoming Campbell N of Gillette. 4550 ft. 44.4344° N, 105.4392° W; uncertainty 6 mi. T50N R71W S6; also T51N R72W 44.4344 -105.4392 6 mi. N Flowering and Fruiting N RM0265537 N 108 RM 393485 Lichvar 1977 RM 315624 RM0265529 Asteraceae Arnica sororia Greene RM-55008 Robert W. Lichvar 316 11 6 1977 U.S.A. Wyoming Teton Gros Ventre Mountains: Sheep Creek. Growing with Senecio sp. and Ribes sp.; common in open areas. 7000 ft. 43.5186° N, 110.6355° W; uncertainty 1 mi. T41N R115W S15 43.5186 -110.6355 1 mi. N N Flowering and Fruiting N RM0265529 N 109 RM 395478 RMHERB1 RM 77959 RM0265525 Asteraceae Arnica sororia Greene RM-56354 Seymour S. Sharp 128 17 6 1912 U.S.A. Wyoming Sheridan Hills E of Sheridan. Grassy slope. 3850 ft. N Flowering and Fruiting N RM0265525 N 110 RM 396546 RMHERB1 RM 737270 RM0265498 Asteraceae Arnica sororia Greene RM-56948 Thomas W. Nelson 8670 Jane P. Nelson 20 7 1987 U.S.A. Wyoming Natrona On Muddy Mountain. Open pine woodland. 7500 ft. T31N R79W S12 Flowering and Fruiting N RM0265498 N 111 RM 397490 WYNDD RM 580187 RM0265519 Asteraceae Arnica sororia Greene RM-57637 Walter Fertig 12612 Phil Shephard and Ann Humphrey 30 5 1992 U.S.A. Wyoming Washakie West 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. Open canopy, flat, exposed limestone bedrock outcrops with shallow depressions of thin soil. 6040 ft. 43.9966° N, 107.26° W; uncertainty 1 mi. T47N R87W S36 43.9966 -107.26 1 mi. Flowering N RM0265519 N 112 RM 397611 WYNDD RM 579369 RM0265518 Asteraceae Arnica sororia Greene RM-57727 Walter Fertig 12908 6 7 1992 U.S.A. Wyoming Hot Springs Foothills of the Absaroka and Owl Creek Mountains: Hill 6613 on northwest bank of Enos Creek, ca 35 air mi NW of Thermopolis. Grassy, moist drainage in sagebrush thicket at base of cliffs. 6100 6420 ft. 43.9542° N, 108.7806° W; uncertainty 1 mi. T46N R99W S18 NW1/4; also SE1/4 S7, SW1/4 S8 43.9542 -108.7806 1 mi. N N Flowering and Fruiting N RM0265518 N 113 RM 398653 WYNDD RM 602521 RM0265520 Asteraceae Arnica sororia Greene RM-58359 Walter Fertig 14787 6 6 1994 U.S.A. Wyoming Washakie West Slope Big Horn Range: TNC Tensleep Preserve: Cooks Canyon, ca 8 air mi E of Ten Sleep. Mesic draw on deep, sandy soil in semi-open ponderosa pine-Rocky Mountain juniper grove. 6100 6200 ft. 43.9822° N, 107.2198° W; uncertainty 1 mi. T46N R86W S5 NW1/4 of SW1/4; also NE1/4 S6 43.9822 -107.2198 1 mi. Flowering N RM0265520 N 114 RM 427740 Scott 2006 RM 825595 RM0013445 Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by David Scott. RM-65819 David Scott 741 Geneva Chong 19 6 2006 U.S.A. Wyoming Teton Grand Teton National Park and Vicinity: Jackson Hole: near Gros Ventre Junction, ca 4 air mi S of Moose; ca 9 air mi NNE of Jackson. Area burned in 2003 wildfire. 6560 ft. 43.5984° N, 110.7009° W; uncertainty 0.25 mi. T42N R115W S18 SW1/4 43.5984 -110.7009 NAD 83 0 mi. Flowering and Fruiting N RM0013445 N 115 RM 434326 Snow 1988 Asteraceae Arnica sororia Greene RM-66306 Neil Snow 3118 4 7 1988 U.S.A. Wyoming Park Southwestern Absarokas: Yellowstone National Park: area between Thorofare Creek and Escarpment Creek, vicinity of Throrfare Ranger Station. Dry, rocky meadow. 8050 ft. 44.1557° N, 110.0825° W T48N R110W S5; also T49N R110W S28, S33; also S34 44.1557 -110.0825 N N 116 RM 434380 Snow 1988 Asteraceae Arnica sororia Greene RM-66307 Neil Snow 3167 5 7 1988 U.S.A. Wyoming Park Southwestern Absarokas: Teton Wilderness: along Thorofare Creek Trail to Coyote Creek, ca 1 mi SE of the southeast corner of Yellowstone National Park. Lodgepole pine forests and dry, rocky meadows. 8050 8200 ft. 44.1557° N, 110.0825° W T48N R110W S13; also T48N R109W S7 & S18 44.1557 -110.0825 N N 117 RM 505646 So Salt River Range RM Asteraceae Arnica sororia Greene RM-98904 Ronald L. Hartman 41557 22 7 1993 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Commissary Ridge, ca 14 air mi N of Kemmerer. Flats along stream, old homestead in aspen grove, and slope with sandstone outcrops. 7400 7900 ft. 41° 59' 59" N, 110° 33' 43" W T23N R116W S10 E1/2; and also W1/2 S11 41.999722 -110.561944 Flowering N N 118 RM 507155 Markow 1992 Asteraceae Arnica sororia Greene RM-98948 B. E. Nelson 22121 Michelle Nelson 31 5 1992 U.S.A. Idaho Clark Targhee National Forest: Western Centennial Mountains: along Middle Threemile Creek, ca 1.5 air mi W of Opal Mountain; ca 15 air mi NNE of Dubois. Sagebrush-grassland. 6200 ft. T12N R37E S8 44.3825 -112.126 1 mi. Calc. from TRS N N 119 RM 510780 Markow 1991 Asteraceae Arnica sororia Greene RM-99142 Stuart Markow 1378 B. E. Nelson and Michelle Nelson 26 6 1991 U.S.A. Idaho Bonneville Targhee National Forest: Snake River Range: Palisades Creek, just E of entrance to National Forest, ca 2 air mi NE of Irwin. Open slope, dominated by forbs and shrubs, mostly Purshia and bunchgrasses. 5600 6400 ft. T1N R44E S24 43.4008 -111.2207 1 mi. Calc. from TRS N N 120 RM 511012 Markow 1991 Asteraceae Arnica sororia Greene RM-99148 Stuart Markow 1606 28 6 1991 U.S.A. Idaho Bonneville Targhee 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. Juniper/grassland, dominated by Juniperus scopulorum and bunchgrass, some riparian. 5400 5800 ft. T2N R44E S26; also S27 and S34 43.4735 -111.2406 1 mi. Calc. from TRS N N 121 RM 515335 Markow 1991 Asteraceae Arnica sororia Greene RM-99247 Stuart Markow 556 14 6 1991 U.S.A. Idaho Bonneville Targhee 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. Riparian and adjacent open area. 5400 6400 ft. T3N R43E S17; also S18, 19 and T3N R42E S13 43.5894 -111.4192 1 mi. Calc. from TRS N N 122 RM 516850 Markow 1992 Asteraceae Arnica sororia Greene RM-99315 Stuart Markow 6922 5 6 1992 U.S.A. Idaho Clark Targhee 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. Mostly Balsamorhiza, grasses, Artemisia, and scattered Pseudotsuga. 6900 7200 ft. T13N R35E S25 44.4246 -112.291 1 mi. Calc. from TRS N N 123 RM 518086 Markow 1992 Asteraceae Arnica sororia Greene RM-99377 Stuart Markow 8035 22 6 1992 U.S.A. Idaho Clark Targhee National Forest: Western Centennial Mountains: just above Modoc Creek, 1/4 mi S of forest boundary, ca 23 air mi NW of Dubois. Canyon and low ridges with mostly forbs and grasses, scattered Artemisia and Chrysothamnus. 7200 7400 ft. T14N R35E S33 44.4963 -112.3514 1 mi. Calc. from TRS N N 124 RM 518100 Markow 1992 Asteraceae Arnica sororia Greene RM-99380 Stuart Markow 8048 22 6 1992 U.S.A. Idaho Clark Targhee National Forest: Western Centennial Mountains: along Modoc Creek, 2 air mi S of National Forest boundary, ca 22 air mi NW of Dubois. Canyon with mostly Artemisia, many forbs and grasses. 7400 7500 ft. T13N R35E S4; also S9 44.482 -112.3514 1 mi. Calc. from TRS N N 125 RM 524358 Arizona/New Mexico RM 742732 Asteraceae Arnica sororia Greene RM-101239 N. Duane Atwood 25809 20 6 2000 U.S.A. Arizona Apache Chuska Mountains: 1 mi E of Roof Butte. Ephemeral pond and adjacent Ponderosa community. 8600 ft. T35N R30E S11 NE1/4 Flowering N N 126 RM 543166 Wood 1995 Asteraceae Arnica sororia Greene RM-103489 Jean Wood 1063 9 6 1995 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: White Mountain, ca 8 air mi W of Danville along Forest Road 2113 to Forest Road 800. Southwest facing steppe slopes with scattered Douglas fir and pinegrass; somewhat disturbed by cows with localized weed infestations. 4600 5500 ft. 48.9792° N, 118.6903° W T40N R33E S7 SE1/4 48.9792 -118.6903 Flowering N N 127 RM 543209 Wood 1995 Asteraceae Arnica sororia Greene RM-103489 Jean Wood 1104 9 6 1995 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: White Mountain, ca 8 air mi W of Danville along Forest Road 2113 to Forest Road 800. Southwest facing steppe slopes with scattered Douglas fir and pinegrass; somewhat disturbed by cows with localized weed infestations. 4600 5500 ft. 48.9792° N, 118.6903° W T40N R33E S7 SE1/4 48.9792 -118.6903 Flowering N N 128 RM 543225 Wood 1995 Asteraceae Arnica sororia Greene RM-103489 Jean Wood 1119 9 6 1995 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: White Mountain, ca 8 air mi W of Danville along Forest Road 2113 to Forest Road 800. Southwest facing steppe slopes with scattered Douglas fir and pinegrass; somewhat disturbed by cows with localized weed infestations. 4600 5500 ft. 48.9792° N, 118.6903° W T40N R33E S7 SE1/4 48.9792 -118.6903 Flowering N N 129 RM 543329 Wood 1995 Asteraceae Arnica sororia Greene RM-103492 Jean Wood 1211 9 6 1995 U.S.A. Washington Ferry Western 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. Steep steppe; edges of Douglas fir/pinegrass. 4400 4800 ft. 48.9506° N, 118.4275° W T40N R35E S19 SW1/4 of NW1/4 48.9506 -118.4275 Flowering N N 130 RM 543533 Wood 1995 Asteraceae Arnica sororia Greene RM-103497 Jean Wood 1394 27 6 1995 U.S.A. Washington Stevens Western 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. Old homestead meadows, heavily grazed; creekside and edges of lodgepole pine and cedar/spruce. 2900 3300 ft. 48.6485° N, 117.7248° W T36N R40E S2 E1/2; also T36N R41E S6 SW1/4 of NE1/4 48.6485 -117.7248 Flowering N N 131 RM 543750 Wood 1995 Asteraceae Arnica sororia Greene RM-103502 Jean Wood 1590 29 6 1995 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: Dry Creek Ridge, ca 8 air mi W of Chewelah, SW of Dry Creek Road. Mixed Douglas fir forest with rocky ridge and outcrops; small lake, some parts heavily logged; some open field with wet areas. 2300 2900 ft. 48.2866° N, 117.833° W T32N R39E S12 SW1/4; also NW1/4 and SE1/4 S13 48.2866 -117.833 Flowering and Fruiting N N 132 RM 544931 Wood 1995 Asteraceae Arnica sororia Greene RM-103519 Jean Wood 2652 25 7 1995 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge: ca 11 air mi SE of Colville at McDowell Lake overlook. Partially open slopes with numerous rock outcrops; large ponderosa pine and Douglas fir; massive weed infestation in open areas. 2400 2500 ft. 48.4748° N, 117.6599° W T34N R41E S5 SW1/4; also NW1/4 S8 48.4748 -117.6599 Fruiting N N 133 RM 545558 Wood 1995 Asteraceae Arnica sororia Greene RM-103532 Jean Wood 3215 10 8 1995 U.S.A. Washington Ferry Western 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. South aspect sagebrush balds with scattered large Douglas fir; subalpine fir/lodgepole pine forest with large 1 year-old burn areas. 5400 6486 ft. 48.7359° N, 118.4713° W T37N R34E S2; also S11, S12; also S13; T38N R34E S35 48.7359 -118.4713 Flowering and Fruiting N N 134 RM 547895 Wood 1996 Asteraceae Arnica sororia Greene RM-103595 Jean Wood 4805 Linda Swartz 8 6 1996 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: Gibraltar Mountain, ca 1 air mi SE of Republic. Creek and lakeside through mixed forest to open basaltic balds and ridge tops. 3200 3800 ft. 48.6196° N, 118.684° W T36N R33E S16 NW1/4; also NE1/4 S17; also S8 48.6196 -118.684 Flowering N N 135 RM 548074 Wood 1996 Asteraceae Arnica sororia Greene RM-103598 Jean Wood 4983 23 6 1996 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge, ca 6 air mi SE of Colville; access from Buffalo-Wilson Road. Rolling terrain with ponderosa pine and smaller encroaching Douglas fir. 2300 2500 ft. 48.4603° N, 117.7681° W T34N R40E S9 South1/2 48.4603 -117.7681 Flowering N N 136 RM 548276 Wood 1996 Asteraceae Arnica sororia Greene RM-103604 Jean Wood 5185 27 6 1996 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: Little Vulcan Mountain, ca 3.5 air mi W of Curlew. South facing slopes and ravines; scattered forest interspersed with steppe and rock outcrops. 3400 4180 ft. 48.9935° N, 118.6684° W T40N R33E S5 South1/2 48.9935 -118.6684 Flowering N N 137 RM 548538 Wood 1996 Asteraceae Arnica sororia Greene RM-103606 Jean Wood 5444 30 6 1996 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: west of the Kettle River, ca 2.5 air mi SW of Danville. West and south facing slopes with rock outcrops and scattered ponderosa pines. Open areas heavily infested with knapweed, cheatgrass, and goatweed. 2500 3200 ft. 48.9649° N, 118.537° W T40N R34E S17 NW1/4; also NE1/4 S18 48.9649 -118.537 Flowering N N 138 RM 548665 Wood 1996 Asteraceae Arnica sororia Greene RM-103609 Jean Wood 5571 30 6 1996 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: White Creek above Kettle River, ca 2.5 air mi NE of Curlew. Open south and west facing slopes. 2200 2600 ft. 48.9219° N, 118.5589° W T40N R34E S31 SE1/4 48.9219 -118.5589 Flowering N N 139 RM 549572 Wood 1996 Asteraceae Arnica sororia Greene RM-103622 Jean Wood 6463 25 7 1996 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: Lambert Creek, ca 9 air mi NE of Republic. 1994 burn. 3800 4700 ft. 48.7215° N, 118.537° W T37N R34E S8 South1/2; NE1/4 and also N1/2 S17 48.7215 -118.537 Flowering N N 140 RM 556417 Wyo/Salt River 1992 RM 1010271 RM0286988 Asteraceae Arnica sororia Greene RM-103862 Ronald L. Hartman 32860 Bruce Embury 21 6 1992 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Gannett Hills: Spring Creek E to ridge; ca 10 air mi SSW of Afton. Sagebrush/grassy slopes with scattered Douglas fir, aspen, chokecherry, rabbitbrush, coralberry, and antelope bitterbrush. 6640 7870 ft. 42.6136° N, 111.0239° W T30N R119W S5; also S8 and S9 42.6136 -111.0239 Flowering N RM0286988 N 141 RM 562754 Wyo/Salt River 1993 RM 1015024 RM0296378 Asteraceae Arnica sororia Greene RM-104055 Ronald L. Hartman 41557 22 7 1993 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Salt River Range: Commissary Ridge, ca 14 air mi N of Kemmerer. Flats along stream, old homestead in aspen grove, and slope with sandstone outcrops. 7400 7900 ft. 41.9875° N, 110.5919° W T23N R116W S10 E1/2; and also W1/2 S11 41.9875 -110.5919 Flowering N RM0296378 N 142 RM 563183 Wyo/Salt River 1993 RM 1015023 RM0296377 Asteraceae Arnica sororia Greene RM-104062 Ronald L. Hartman 41985 25 7 1993 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Salt River Range: Little Fall Creek, ca 26 air mi SW of Big Piney. Grassy slopes with stream bottom and forest margins. 7980 8200 ft. 42.3275° N, 110.5506° W T27N R116W S13 SW1/4; and also NW1/4 S24 42.3275 -110.5506 Flowering N RM0296377 N 143 RM 564234 Wyo/Salt River 1993 RM 1015022 RM0296376 Asteraceae Arnica sororia Greene RM-104077 Ronald L. Hartman 43036 31 7 1993 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Salt River Range: Fontenelle Creek to Commissary Ridge, S of Fontenelle Mountain. Coniferous forest, grassy slopes, and talus. 8950 9950 ft. 42.3992° N, 110.6494° W T28N R116W S19 E1/4; and E1/2 S18 42.3992 -110.6494 Flowering N RM0296376 N 144 RM 566297 Bighorn Basin RM 931893 RM0094945 Asteraceae Arnica sororia Greene RM-104145 B. E. Nelson 10067 27 6 1983 U.S.A. Wyoming Hot Springs Bighorn Basin: along Left Hand Creek, ca 3 air mi SW of Dickie (LU Ranch); ca 38 air mi NW of Thermopolis. Open limber pine-Douglas fir slopes. 6000 ft. 43.9839° N, 108.7994° W; uncertainty 1 mi. T46N R100W S1 43.9839 -108.7994 1 mi. N RM0094945 N 145 RM 571258 Bighorn Basin RM 931892 RM0094944 Asteraceae Arnica sororia Greene RM-104565 B. E. Nelson 15363 Erik Nelson 5 6 1988 U.S.A. Wyoming Big Horn Bighorn Basin: Fenton Pass and vicinity and Tatman Mountain, ca 12.5 air mi SW of Burlington, ca 26.5 air mi WSW of Basin. Sagebrush draw. 6100 ft. 44.2917° N, 108.5633° W T50N R97W S19 44.2917 -108.5633 N RM0094944 N 146 RM 573698 Bighorn Basin RM Asteraceae Arnica sororia Greene RM-104769 B. E. Nelson 20888 Robin Jones 8 6 1991 U.S.A. Wyoming Hot Springs Bighorn Basin: above Red Canyon across from Minnesela Slope, ca 4.5 air mi SW of Thermopolis. Sagebrush-grassland slopes. 5400 5500 ft. 43.6081° N, 108.2855° W; uncertainty 1 mi. T42N R95W S17 43.6081 -108.2855 1 mi. N N 147 RM 574119 R Jones 1991 RM Asteraceae Arnica sororia Greene RM-104797 B. E. Nelson 21729 26 7 1991 U.S.A. Wyoming Fremont Owl 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. Moist areas around seep, springs, and along drainage. 6900 7000 ft. 43.4219° N, 107.8433° W; uncertainty 2 mi. T40N R92W S23; also S24 43.4219 -107.8433 2 mi. N N 148 RM 577551 Big Horn Mts RM 347779 RM0265472 Asteraceae Arnica sororia Greene RM-105116 B. E. Nelson 5414 11 6 1980 U.S.A. Wyoming Big Horn Big Horn Mountains: below northeast side of Little Mountain near Godes Spring, ca 1 air mi S of Devil Canyon, ca 16 air mi NE of Lovell. Stony grassy slopes. 6000 ft. 44.9353° N, 108.09778° W; uncertainty 1 mi. T57N R93W S8 44.9353 -108.09778 1 mi. Flowering and Fruiting N RM0265472 N 149 RM 580308 Bighorn Basin RM 931895 RM0094947 Asteraceae Arnica sororia Greene RM-105335 B. E. Nelson 7987 11 6 1981 U.S.A. Wyoming Washakie Bighorn Basin: Big Cedar Ridge, ca 14 air mi SSW of Ten Sleep on Blue Bank Road. Grassy sagebrush flats and draws. 4800 ft. 43.83722° N, 107.52972° W; uncertainty 1 mi. T45N R89W S28 43.83722 -107.52972 1 mi. N N Calc. from TRS Georeferenced by TRS2LL. N RM0094947 N 150 RM 581582 Bighorn Basin RM 931894 RM0094946 Asteraceae Arnica sororia Greene RM-105456 B. E. Nelson 9732 Ronald L. Hartman 21 6 1983 U.S.A. Wyoming Park Bighorn Basin: along Spring Creek, ca 2 air mi W of Meeteetse. 5900 ft. 44.16083° N, 108.90472° W; uncertainty 1 mi. T48N R100W S6 44.16083 -108.90472 1 mi. N RM0094946 N 151 RM 58366 Bradtke 2001 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by Heather Bradtke. RM-12694 Ronald L. Hartman 70768 Heather Bradtke 6 6 2001 U.S.A. Oregon Grant Umatilla National Forest and Vicinity: Case Ridge on Forest Road 3972.060, ca 2 air mi SE of Dale. Ponderosa pine and Douglas fir, logged, roadside, stream, slope, and crest. 3580 3980 ft. 44° 57' 13.5" N, 118° 55' 50.4" W; GPS Reading T7S R31E S13; SW1/4 S7 44.95375 -118.930667 GPS Reading Flowering and Fruiting N N 152 RM 592436 Dueholm Misc RM 930295 RM0091520 Asteraceae Arnica sororia Greene RM-106306 Keith H. Dueholm 11281 Ronald L. Hartman 28 5 1981 U.S.A. Wyoming Hot Springs Owl Creek/Bridger Mountains: Bridger Mountains: Blue Hill; ca 16 air mi SE of Thermopolis. Loose, shaley slopes of hill, rocky plains on summit, mud around holding pond in drainage below, sagebrush on lower slopes of hill; above holding pond. 4600 5000 ft. 43.5656° N, 107.9072° W; uncertainty 4 mi. T42N R92W S33 43.5656 -107.9072 4 mi. N RM0091520 N 153 RM 593791 Dueholm 1978 RM 324416 RM0265483 Asteraceae Arnica sororia Greene RM-106414 Keith H. Dueholm 1818 Ronald L. Hartman 4 6 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Grazed sagebrush plains, rocky slopes, railroad right-of-way; railroad right-of-way, plains. 4100 ft. Flowering and Fruiting N RM0265483 N 154 RM 593970 Dueholm 1978 RM 324408 RM0265474 Asteraceae Arnica sororia Greene RM-106424 Keith H. Dueholm 1997 Ronald L. Hartman 7 6 1978 U.S.A. Wyoming Campbell Powder River Basin: White Tail Butte. Sandy slopes, sagebrush plains, draws, and roadside ditch; plains. 4000 ft. 44.80444° N, 105.54222° W; uncertainty 2 mi. T56N R72W S29; also S30, S31, and S32 44.80444 -105.54222 2 mi. N N Flowering and Fruiting N RM0265474 N 155 RM 594361 Dueholm 1978 RM 324414 RM0265481 Asteraceae Arnica sororia Greene RM-106443 Keith H. Dueholm 2432 Ronald L. Hartman and Mary Alice Sanguinetti. 21 6 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Small pond, along roadway, adjacent outwash from plains, and eroded plains; plains. 3900 ft. Flowering and Fruiting N RM0265481 N 156 RM 594530 Dueholm 1978 RM 324411 RM0265473 Asteraceae Arnica sororia Greene RM-106451 Keith H. Dueholm 2601 Ronald L. Hartman and Mary Alice Sanguinetti. 23 6 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Ponderosa pine slopes, eroded plains; plains. 3800 ft. Flowering and Fruiting N RM0194416,RM0265473 N 157 RM 596492 Dueholm 1978 RM 324415 RM0265482 Asteraceae Arnica sororia Greene RM-106529 Keith H. Dueholm 4563 22 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Ponderosa pine covered buttes, steep shale and talus slopes, sagebrush plains at summit, ravines; pine slopes. 4700 ft. Fruiting N RM0265482 N 158 RM 598214 Dueholm 1979 RM 333362 RM0265476 Asteraceae Arnica sororia Greene RM-106617 Keith H. Dueholm 6608 5 6 1979 U.S.A. Wyoming Johnson [location and coordinates withheld] Pine covered uplift, gravelly slopes in open pine forest. 5600 ft. Flowering and Fruiting N RM0265476 N 159 RM 598309 Dueholm 1979 RM 334003 RM0265477 Asteraceae Arnica sororia Greene RM-106621 Keith H. Dueholm 6703 7 6 1979 U.S.A. Wyoming Sheridan Powder River Basin: hills above S R Creek, ca 8 air mi E of Wyarno. Rocky slopes, scoria, sagebrush plains, mesic ravine; crest of slope, among sagebrush. 4400 ft. 44.7989° N, 106.5967° W; uncertainty 2 mi. T56N R81W S27; also S28 44.7989 -106.5967 2 mi. Flowering and Fruiting N RM0265477 N 160 RM 598347 Dueholm 1979 RM 334118 RM0265478 Asteraceae Arnica sororia Greene RM-106624 Keith H. Dueholm 6741 9 6 1979 U.S.A. Wyoming Sheridan Powder River Basin: ca 8 air mi N of Leiter. Rolling sagebrush plain, shallow draws; plains. 3900 ft. 44.8278° N, 106.2536° W; uncertainty 1 mi. T56N R78W S16 44.8278 -106.2536 1 mi. Flowering and Fruiting N RM0265478 N 161 RM 598391 Dueholm 1979 RM 333333 RM0265480 Asteraceae Arnica sororia Greene RM-106627 Keith H. Dueholm 6785 9 6 1979 U.S.A. Wyoming Sheridan [location and coordinates withheld] Deep ravine, with ponderosa pine on slopes, and open, clay slopes, sandstone outcrops; outcrops. 4000 ft. Flowering N RM0265480 N 162 RM 598451 Dueholm 1979 RM 333361 RM0265479 Asteraceae Arnica sororia Greene RM-106630 Keith H. Dueholm 6845 9 6 1979 U.S.A. Wyoming Sheridan [location and coordinates withheld] Deep, mesic ravine in high hills, slopes with granite boulders, plum thickets; slopes. 4600 ft. Flowering and Fruiting N RM0265479 N 163 RM 60307 Bradtke 2002 RM Asteraceae Arnica sororia Greene RM-12759 Heather Bradtke 5137 1 6 2002 U.S.A. Oregon Umatilla Umatilla National Forest and Vicinity: Horseshoe Ridge, ca 5 mi NE of Meacham. Dry forest edge with fine, deep soil; slope 0-10; aspect ridgetop and easterly. 4000 4500 ft. 45° 31' 28" N, 118° 19' 46.6" W; GPS Reading zone 11, 5042071E, 396168N; GPS Reading T1N R36E S33; also S32 45.524444 -118.329611 GPS Reading Flowering N N 164 RM 604341 Kirkpatrick 1984 RM 555677 RM0044165 Asteraceae Arnica sororia Greene RM-21442 Robert S. Kirkpatrick 3556 5 7 1984 U.S.A. Wyoming Park Absaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station. Meadows with scattered Potentilla fruticosa; dry areas. 7500 7900 ft. 44.0428° N, 109.2035° W T47N R103W S15; also S10 44.0428 -109.2035 Flowering and Fruiting N RM0044165 N 165 RM 604348 Kirkpatrick 1984 RM 555678 RM0044163 Asteraceae Arnica sororia Greene RM-21442 Robert S. Kirkpatrick 3561b 5 7 1984 U.S.A. Wyoming Park Absaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station. Meadows with scattered Potentilla fruticosa; dry areas. 7500 7900 ft. 44.0428° N, 109.2035° W T47N R103W S15; also S10 44.0428 -109.2035 Flowering and Fruiting N RM0044163 N 166 RM 605593 Kirkpatrick 1984 RM 555679 RM0044166 Asteraceae Arnica sororia Greene RM-62707 Robert S. Kirkpatrick 4776 24 7 1984 U.S.A. Wyoming Hot Springs Absaroka Mountains: ca 21 air mi SSW of Meeteetse, 3 mi NW of Cottonwood Peak, in the vicinity of and SE of Twin Lakes. Picea engelmannii and Abies lasiocarpa forest; dry areas. 8400 9200 ft. 43.8507° N, 109.023° W T45N R101W S19; also S17 and S18 43.8507 -109.023 N Y Flowering N RM0044166 N 167 RM 606991 Kirkpatrick 1984 RM 555680 RM0044164 Asteraceae Arnica sororia Greene RM-106905 Robert S. Kirkpatrick 6043 25 8 1984 U.S.A. Wyoming Park Absaroka Mountains: ca 17 air mi SSE of Cody, upper end of Carter Creek ca 1 mi SE of Hidden Lake. Pinus flexilis and Picea engelmannii forest; dry slopes. 8200 8800 ft. 44.3198° N, 109.2042° W T50N R103W S11; also S14 44.3198 -109.2042 2 mi. Fruiting N RM0044164 N 168 RM 610067 Hartman Misc RM 531162 RM0265504 Asteraceae Arnica sororia Greene RM-107064 Ronald L. Hartman 13248 Keith H. Dueholm 28 6 1981 U.S.A. Wyoming Fremont Southwest flank of Copper Mountain, ca 14 air mi NNE of Shoshoni. South exposure; along road and rocky slopes; precambrian rocks. 7900 ft. 43.4358° N, 108.0422° W; uncertainty 1 mi. T40N R93W S18 43.4358 -108.0422 1 mi. Flowering and Fruiting N RM0265504 N 169 RM 611796 Kirkpatrick 1983 RM 555681 RM0044162 Asteraceae Arnica sororia Greene RM-62734 Ronald L. Hartman 15401 Robert S. Kirkpatrick 19 6 1983 U.S.A. Wyoming Park Absaroka Mountains: Bull Creek, ca 2 air mi SE of the South Fork Shoshone River. Sagebrush-rabbit brush grassland and adjacent creek bottoms. 6500 ft. 44.34917° N, 109.30639° W; uncertainty 1 mi. T51N R104W S36 44.34917 -109.30639 1 mi. Flowering and Fruiting N RM0044162 N 170 RM 62016 Bradtke 2002 RM Asteraceae Arnica sororia Greene RM-12820 Heather Bradtke 6844 26 6 2002 U.S.A. Oregon Grant Umatilla National Forest and Vicinity: Forest roads 3990 and 40, ca 12 mi S and 3 mi E of Dale. Open area in pumic rock and tan soil; slope:10; aspect: southwest. 4200 4600 ft. 44° 50' 7" N, 118° 51' 45" W to 44° 50' 7" N, ; GPS Reading zone 11, 4966110E, 352776N; GPS Reading T8S R32E S33 44.835278 -118.8625 GPS Reading Flowering and Fruiting N N 171 RM 620548 R Jones 1991 RM Asteraceae Arnica sororia Greene RM-107412 Ronald L. Hartman 29288 27 6 1991 U.S.A. Wyoming Fremont Owl Creek/Bridger Mountains: Bridger Mountains: southwest end of Lysite Mountain, ca 11 air mi N of Lost Cabin. Slopes with outcrops of limestone and sandstone and drainage. 6300 7000 ft. 43.4502° N, 107.6433° W T40N R90W S9; also S10 43.4502 -107.6433 N N 172 RM 620661 R Jones 1991 RM Asteraceae Arnica sororia Greene RM-107415 Ronald L. Hartman 29401 28 6 1991 U.S.A. Wyoming Hot Springs Owl Creek/Bridger Mountains: Bridger Mountains: Red Canyon, Buffalo Creek Road, ca 14 air mi ENE of Thermopolis. Red beds; grassy slopes and outcrops. 5500 5600 ft. 43.5797° N, 107.9469° W T42N R92W S30 43.5797 -107.9469 N N 173 RM 620770 R Jones 1991 RM Asteraceae Arnica sororia Greene RM-107417 Ronald L. Hartman 29510 28 6 1991 U.S.A. Wyoming Hot Springs Owl Creek/Bridger Mountains: Bridger Mountains: Blue Hill, Buffalo Creek Road, ca 16 air mi ESE of Thermopolis. Shales with barren slopes, sagebrush-grassland on top. 5700 6000 ft. 43.5656° N, 107.9072° W T42N R92W S33 43.5656 -107.9072 N N 174 RM 620831 R Jones 1991 RM Asteraceae Arnica sororia Greene RM-107418 Ronald L. Hartman 29571 28 6 1991 U.S.A. Wyoming Fremont Owl Creek/Bridger Mountains: Bridger Mountains: Dry Bridge Road, ca 16 air mi NW of Lysite, South Bridger Creek. Stock pond and adjacent sagebrush slopes. 6200 ft. 43.4644° N, 107.8233° W T40N R92W S1 43.4644 -107.8233 N N 175 RM 620916 R Jones 1991 RM Asteraceae Arnica sororia Greene RM-107421 Ronald L. Hartman 29655 30 6 1991 U.S.A. Wyoming Fremont Owl Creek/Bridger Mountains: Bridger Mountains: just S of Birdseye Pass. Spring and surrounding sagebrush area. 6800 ft. 43.45° N, 108.0828° W T40N R94W S11 43.45 -108.0828 N N 176 RM 623255 Dueholm 1978 RM 324417 RM0265475 Asteraceae Arnica sororia Greene RM-107607 Ronald L. Hartman 6069 Keith Dueholm 5 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 5 air miles NNE of Spotted Horse. Dissected benchland with ponderosa pine covered and open slopes; open slope. 4200 ft. 44.7742° N, 105.80694° W; uncertainty 1 mi. T55N R74W S6; also T56N R74W S31 44.7742 -105.80694 2 mi. Flowering and Fruiting N RM0265475 N 177 RM 623459 Dueholm 1978 RM 324409 RM0265512 Asteraceae Arnica sororia Greene RM-107618 Ronald L. Hartman 6275 Keith Dueholm 7 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 1 air mi S of Montana and 6.5 air mi W of Wyo Hwy 59. Dissected slopes near road. 3700 ft. 44.9878° N, 105.50278° W; uncertainty 1 mi. T58N R72W S27 44.9878 -105.50278 1 mi. Flowering and Fruiting N RM0265512 N 178 RM 62367 Bradtke 2002 RM Asteraceae Arnica sororia Greene RM-12828 Heather Bradtke 7193 1 7 2002 U.S.A. Washington Garfield Umatilla National Forest and Vicinity: Cape Horn Ridge, ca 8 mi S and 15 mi W of Anatone. Grass steppe in shallow, copper, platey soil; slope: 10; aspect southwest. 3830 4460 ft. 46° 15' 23" N, 117° 26' 32" W to 46° 15' 18" N, 117° 26' 3" W to 46° 15' 30" N, 117° 26' 53" W; GPS Reading zone 11, 5122633E, 465914N; GPS Reading T9N R43E S16; also S17 46.256389 -117.442222 GPS Reading Flowering and Fruiting N N 179 RM 624098 Dueholm 1978 RM 324410 RM0265511 Asteraceae Arnica sororia Greene RM-107660 Ronald L. Hartman 6984 Keith Dueholm and Mary Alice Sanguinetti 22 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 12 air mi NE of Weston. Ponderosa topped hills and flats below. 3900 ft. 44.76417° N, 105.17694° W; uncertainty 1 mi. T55N R69W S8 44.76417 -105.17694 1 mi. Flowering and Fruiting N RM0265511 N 180 RM 624153 Dueholm 1978 RM 324407 RM0265510 Asteraceae Arnica sororia Greene RM-107662 Ronald L. Hartman 7039 Keith Dueholm and Mary Alice Sanguinetti 23 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 18 air mi WNW of Rockypoint. Eroded hills with ponderosa pine. 3800 ft. 44.9603° N, 105.464° W; uncertainty 2 mi. T57N R72W S1; also T58N R71W S31, T58N R72W S36; also T57N R71W S6 44.9603 -105.464 2 mi. Flowering and Fruiting N RM0265510 N 181 RM 624371 Dueholm 1978 RM 324412 RM0265514 Asteraceae Arnica sororia Greene RM-107670 Ronald L. Hartman 7257 Mary Alice Sanguinetti 25 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 9 air mi SW of Gillette. Low hills with drainage and large shallow pond on flat. 4600 ft. 44.20944° N, 105.6408° W; uncertainty 1 mi. T49N R73W S21 44.20944 -105.6408 1 mi. Flowering and Fruiting N RM0265514 N 182 RM 624717 Dueholm 1978 RM 324413 RM0265513 Asteraceae Arnica sororia Greene RM-107684 Ronald L. Hartman 7599 Mary Alice Sanguinetti 28 6 1978 U.S.A. Wyoming Campbell Powder River Basin: Pumpkin Buttes: North Middle Butte. Top and upper slopes of butte. 6000 ft. 43.7431° N, 105.8944° W; uncertainty 2 mi. T44N R75W S32; also T43N R75W S5 43.7431 -105.8944 2 mi. Flowering and Fruiting N RM0265513 N 183 RM 625694 Big Horn Mts RM 347781 RM0265502 Asteraceae Arnica sororia Greene RM-107765 Ronald L. Hartman 9219 Bob Plouffe and Ann Odasz 21 6 1979 U.S.A. Wyoming Big Horn Big Horn Mountains: ca 9 air mi W of Tyrrell Ranger Station. Sagebrush flats and eroded slopes. 5900 ft. 44.20444° N, 107.42306° W; uncertainty 1 mi. T49N R88W S22 44.20444 -107.42306 1 mi. Flowering and Fruiting N RM0265502 N 184 RM 625796 Big Horn Mts RM 347780 RM0265501 Asteraceae Arnica sororia Greene RM-107778 Ronald L. Hartman 9329 Ann Odasz 25 6 1979 U.S.A. Wyoming Sheridan Big Horn Mountains: Little Bighorn River Canyon, ca 17 air mi W of Parkman. Grassy slopes and limestone outcrops. 5400 6000 ft. 44.9758° N, 107.6736° W; uncertainty 1 mi. T58N R90W S25 44.9758 -107.6736 1 mi. Flowering and Fruiting N RM0265501 N 185 RM 629979 Fertig 1990 RM 591638 RM0265468 Asteraceae Arnica sororia Greene RM-107964 Walter Fertig 2516 25 6 1990 U.S.A. Wyoming Sublette West Slope Wind River Range: Half Moon Lake, ca 8 air mi NE of Pinedale. Douglas fir/aspen woods. 7700 7900 ft. 42.9314° N, 109.7506° W T34N R108W S9 42.9314 -109.7506 N N Flowering and Fruiting N RM0265468 N 186 RM 630104 Fertig 1990 RM 591637 RM0265467 Asteraceae Arnica sororia Greene RM-107975 Walter Fertig 2641 2 7 1990 U.S.A. Wyoming Sublette West Slope Wind River Range: west face of White Rock, adjacent to upper Green River Lake, ca 28 air mi N of Pinedale. Open limestone/shale talus slope at base of mountain. 8100 ft. 43.2708° N, 109.8192° W T38N R108W S9 43.2708 -109.8192 1 mi. Flowering and Fruiting N RM0265467 N 187 RM 630534 Fertig 1990 RM 591636 RM0265466 Asteraceae Arnica sororia Greene RM-107989 Walter Fertig 3067 6 7 1990 U.S.A. Wyoming Teton West Slope Wind River Range: adjacent to Forest Road 30410 and Cottonwood Creek, ca 26 air mi E of Jackson. Sagebrush flat. 7600 ft. 43.5731° N, 110.2203° W T42N R111W S30; also S31 and T42N R112W S36 43.5731 -110.2203 N N Flowering and Fruiting N RM0265466 N 188 RM 635287 Fertig 1991 RM 586834 RM0265469 Asteraceae Arnica sororia Greene RM-108198 Walter Fertig 8118 18 6 1991 U.S.A. Wyoming Sublette West Slope Wind River Range: Pole Creek drainage and adjacent ridges, between Fayette Lake and Half Moon Lake, ca 9 air mi NE of Pinedale. Granitic outcrop adjacent to Pole Creek where it enters Half Moon Lake. 7600 9000 ft. 42.9456° N, 109.6911° W; uncertainty 3 mi. T34N R108W S1; also S2, S11, S12 42.9456 -109.6911 3 mi. N N Flowering N RM0265469 N 189 RM 635372 Fertig 1991 RM 586832 RM0265471 Asteraceae Arnica sororia Greene RM-108202 Walter Fertig 8203 25 6 1991 U.S.A. Wyoming Sublette West 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. Ledges and crevices of open granite rock outcrop. 7760 8400 ft. 42.8731° N, 109.6117° W T34N R107W S34 42.8731 -109.6117 N N Flowering and Fruiting N RM0265471 N 190 RM 635839 Fertig 1991 RM 586833 RM0265470 Asteraceae Arnica sororia Greene RM-108219 Walter Fertig 8665 1 7 1991 U.S.A. Wyoming Sublette West Slope Wind River Range: Scab Creek drainage, ca 17 air mi E of Pinedale. Open canopy, dry ledges and crevices of granitic outcrop above creek. 8000 8600 ft. 42.8153° N, 109.5536° W; uncertainty 3 mi. T33N R106W S19; also S20 & S29 42.8153 -109.5536 3 mi. Flowering and Fruiting N RM0265470 N 191 RM 64551 Bradtke 2002 RM Asteraceae Arnica sororia Greene RM-12880 Heather Bradtke 9371 25 7 2002 U.S.A. Washington Asotin Umatilla National Forest and Vicinity: Round Prairie on Smoothing Iron Ridge, ca 3 mi N and 12 W of Anatone. Prairie, sagebrush and grass dominant in brown, powdery to rocky soil. 4800 5000 ft. 46° 10' 36" N, 117° 24' 38" W; GPS Reading zone 11, 5113766E, 468311N; GPS Reading T8N R43E S10; also S15 46.176667 -117.410556 GPS Reading Fruiting N N 192 RM 648638 SE WY 1993 RM 599571 RM0265499 Asteraceae Arnica sororia Greene RM-109351 Ronald L. Hartman 40291 T. W. Nelson 6 7 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1.2 air mi NNW of Waltman. Sandy draw and slopes. 6230 ft. 43.0908° N, 107.2133° W T36N R87W S13 43.0908 -107.2133 Flowering and Fruiting N RM0265499 N 193 RM 650460 Cramer 1994 RM 632627 RM0265465 Asteraceae Arnica sororia Greene RM-109433 Ronald L. Hartman 48543 29 7 1994 U.S.A. Wyoming Fremont Green River Basin: Sweetwater Guard Station (foundation remaining) and Campground. Meadow, streamside, and edge of lodgepole pine forest. 8200 8300 ft. 42.5572° N, 109.0606° W; uncertainty 0.5 mi. T30N R102W S19 NW1/4 42.5572 -109.0606 1 mi. Flowering N RM0265465 N 194 RM 652223 Cramer 1994 RM 632626 RM0265464 Asteraceae Arnica sororia Greene RM-109511 Thomas Cramer 1547 Jane T. Kellett 3 7 1994 U.S.A. Wyoming Sublette Green River Basin: New Fork River, ca 4.5 air mi S of Boulder. Riverside meadows and cottonwood/willows with adjacent sagebrush. 6950 ft. 42.685° N, 109.7411° W T31N R108W S5 SE1/4 42.685 -109.7411 Flowering N RM0265464 N 195 RM 652528 Cramer 1994 RM 632625 RM0265463 Asteraceae Arnica sororia Greene RM-109515 Thomas Cramer 1814 Jane T. Kellett 7 7 1994 U.S.A. Wyoming Fremont Green River Basin: hill W of West Pacific Creek, ca 14 air mi SW of South Pass City. Sagebrush hillside, windswept tops, and badlands. 7200 7590 ft. 42.3431° N, 108.9728° W T27N R102W S3 W1/2; also N1/4 S10 42.3431 -108.9728 Flowering and Fruiting N RM0265463 N 196 RM 652657 Cramer 1994 RM 642579 RM0265444 Asteraceae Arnica sororia Greene RM-109517 Thomas Cramer 1928 Jane T. Kellett 11 7 1994 U.S.A. Wyoming Sublette Green River Basin: East Fork River, ca 6 air mi E of Boulder. Riverside meadows, willows, and mudflats. 7000 ft. 42.7422° N, 109.6081° W; uncertainty 1 mi. T32N R107W S16 NE1/4; also S1/4 S9 42.7422 -109.6081 1 mi. Flowering and Fruiting N RM0265444 N 197 RM 652764 Cramer 1994 RM Asteraceae Arnica sororia Greene RM-109518 Thomas Cramer 2017b Jane T. Kellett 11 7 1994 U.S.A. Wyoming Sublette Green River Basin: ca 1 air mi NE of Big Sandy. Dry creekbed with adjacent meadows, willow stands, and sagebrush hillsides. 7480 7600 ft. 42.6544° N, 109.4508° W; uncertainty 1 mi. T31N R106W S14 S1/4; also N1/8 S23 42.6544 -109.4508 1 mi. Flowering and Fruiting N N 198 RM 652994 Cramer 1994 RM 632624 RM0265462 Asteraceae Arnica sororia Greene RM-109525 Thomas Cramer 2293 23 7 1994 U.S.A. Wyoming Sublette Green River Basin: Marsh Creek, ca 12 air mi N of Cora. Creekside meadows and nearby sagebrush. 7700 7800 ft. 43.1036° N, 110.0267° W T36N R110W S7 E1/2; also W1/4 S8 43.1036 -110.0267 Flowering N RM0265462 N 199 RM 653728 Cramer 1994 RM 632623 RM0265461 Asteraceae Arnica sororia Greene RM-109537 Thomas Cramer 2932 6 8 1994 U.S.A. Wyoming Sublette Green River Basin: ca 4.5 air mi NW of Big Sandy. Roadside ditches between irrigated fields. 7170 ft. 42.6839° N, 109.5092° W T31N R106W S5 NW1/4 42.6839 -109.5092 Flowering and Fruiting N RM0265461 N 200 RM 653924 Cramer 1994 RM 632622 RM0265460 Asteraceae Arnica sororia Greene RM-109539 Thomas Cramer 3100 6 8 1994 U.S.A. Wyoming Sublette Green River Basin: Blucher Creek just S of Bridger-Teton National Forest, ca 12 air mi E of Buckskin Crossing. Creekside meadows, sagebrush, and lodgepole pine stands. 8300 8600 ft. 42.5564° N, 109.1386° W T30N R103W S21 NE1/4; also W1/4 S22 42.5564 -109.1386 1 mi. Flowering N RM0265460 N 201 RM 654568 Cramer 1994 RM 632621 RM0265459 Asteraceae Arnica sororia Greene RM-109550 Thomas Cramer 3668 12 8 1994 U.S.A. Wyoming Sublette Green River Basin: Horse Creek, ca 4.5 air mi SE of Merna. Creekside meadows and willows. 7480 ft. 42.9164° N, 110.2819° W T34N R113W S13 SE1/4; also T34N R112W SW1/4 S18 and NW1/4 19 42.9164 -110.2819 Flowering N RM0265459 N 202 RM 654902 Cramer 1994 RM 632620 RM0265458 Asteraceae Arnica sororia Greene RM-109559 Thomas Cramer 4117 Ben and Becky Cramer 19 8 1994 U.S.A. Wyoming Fremont Green River Basin: Sweetwater River, ca 8.5 air mi SW of South Pass City. Riverside meadows, willows, and sagebrush. 7450 ft. 42.3842° N, 108.9164° W; uncertainty 1 mi. T28N R101W S19 SE1/4; also SW1/4 S20 42.3842 -108.9164 1 mi. Flowering and Fruiting N RM0265458 N 203 RM 655368 Cramer 1994 RM 632619 RM0265457 Asteraceae Arnica sororia Greene RM-109569 Thomas Cramer 4526 Ronald L. Hartman 23 8 1994 U.S.A. Wyoming Lincoln Green River Basin: Green River, ca 6 air mi S of La Barge. Riverside meadows and willows. 6510 ft. 42.1747° N, 110.1829° W; uncertainty 0.5 mi. T25N R112W S5 SW1/4 42.1747 -110.1829 1 mi. Flowering N RM0265457 N 204 RM 658044 Cramer 1995 RM 668113 RM0265456 Asteraceae Arnica sororia Greene RM-109749 Thomas Cramer 7167b 5 7 1995 U.S.A. Wyoming Lincoln Green River Basin: south end of Slate Creek Ridge, ca 11.5 air mi NNE of Kemmerer. Wet meadow draw with sagebrush sides and shrub islands. 7100 7500 ft. 41.9413° N, 110.4544° W T23N R115W S27 South1/2 41.9413 -110.4544 N N Flowering N RM0265456 N 205 RM 658652 Cramer 1995 RM 668112 RM0265455 Asteraceae Arnica sororia Greene RM-109778 Thomas Cramer 7843 Jane T. Kellett 13 7 1995 U.S.A. Wyoming Sublette Green River Basin: Little Prospect Mountain, ca 11.5 air mi ESE of Big Sandy. Sagebrush meadow. 8000 ft. 42.5559° N, 109.2554° W T30N R104W S21 NW1/4 42.5559 -109.2554 Flowering N RM0265455 N 206 RM 658931 Cramer 1995 RM 668111 RM0265454 Asteraceae Arnica sororia Greene RM-109787 Thomas Cramer 8085 Jane T. Kellett 15 7 1995 U.S.A. Wyoming Sublette [location and coordinates withheld] Cobblestone hillside with sparse sagebrush. 7400 7500 ft. Flowering N RM0265454 N 207 RM 659591 Cramer 1995 RM 668110 RM0265442 Asteraceae Arnica sororia Greene RM-109814 Thomas Cramer 8669 20 7 1995 U.S.A. Wyoming Sublette Green River Basin: ca 10 air mi SW of Daniel. Gravel hillsides with clay spots and sparse sagebrush. 7300 7380 ft. 42.7744° N, 110.192° W; uncertainty 1 mi. T32N R112W S9 42.7744 -110.192 1 mi. Flowering N RM0265442 N 208 RM 660193 Cramer 1995 RM 668109 RM0265441 Asteraceae Arnica sororia Greene RM-109836 Thomas Cramer 9194 Jane T. Kellett 23 7 1995 U.S.A. Wyoming Sublette Green River Basin: Water Hole Draw at Big Sandy River, ca 23.5 air mi N of Farson. Riverside meadows and willows. 6900 ft. 42.4532° N, 109.4509° W T29N R106W S26 SE1/4 42.4532 -109.4509 Flowering N RM0265441 N 209 RM 660444 Cramer 1995 RM 668108 RM0265443 Asteraceae Arnica sororia Greene RM-109847 Thomas Cramer 9417 Jane T. Kellett 25 7 1995 U.S.A. Wyoming Sublette Green River Basin: Irish Canyon at Bridger-Teton National Forest border, ca 5.5 air mi ENE of Big Sandy. Creekside meadows and willows. 7800 ft. 42.6733° N, 109.3922° W T31N R105W S8 SE1/4 42.6733 -109.3922 N N Flowering N RM0265443 N 210 RM 660821 WY Black Hills RM 7631 RM0265509 Asteraceae Arnica sororia Greene RM-109886 Aven Nelson 2155 3 7 1896 U.S.A. Wyoming Crook Sundance. 4400 6400 ft. 44.3986° N, 104.386° W; uncertainty 5 mi. T51N R63W S23 44.3986 -104.386 5 mi. Y Y Nat. Geog. TOPO! Flowering and Fruiting N RM0265509 N 211 RM 662985 Marriott 1982 RM 371244 RM0265485 Asteraceae Arnica sororia Greene RM-105507 Hollis Marriott 1411a B. E. Nelson 14 7 1982 U.S.A. Wyoming Crook Black Hills: Cement Ridge, southeast end, ca 7.5 air mi NE of Moskee; ca 15 air mi ESE of Sundance. Dry open rocky ridge and upper slopes. 6500 ft. 44.35° N, 104.0617° W; uncertainty 1 mi. T50N R60W S4 44.35 -104.0617 1 mi. Flowering and Fruiting N RM0265485 N 212 RM 664725 Marriott 1983 RM 371243 RM0265484 Asteraceae Arnica sororia Greene RM-105549 Hollis Marriott 3159 15 6 1983 U.S.A. Wyoming Crook [location and coordinates withheld] Roadside, Ponderosa pine- Bur oak forest. 4500 ft. Flowering and Fruiting N RM0265484 N 213 RM 664865 Marriott 1983 RM 371242 RM0265487 Asteraceae Arnica sororia Greene RM-105554 Hollis Marriott 3300 21 6 1983 U.S.A. Wyoming Crook Black Hills: Bear Lodge Mountains: Lytle Creek and Newton Hill, ca 8.5 air mi ESE of Devils Tower. Ponderosa pine-Bur oak forest with many openings (logged). 4600 ft. 44.55083° N, 104.54861° W; uncertainty 1 mi. T53N R64W S28 SW1/4; also NW1/4 S33 44.55083 -104.54861 1 mi. Flowering and Fruiting N RM0265487 N 214 RM 664946 Marriott 1983 RM 371241 RM0265486 Asteraceae Arnica sororia Greene RM-105557 Hollis Marriott 3381 23 6 1983 U.S.A. Wyoming Crook Black Hills: tributary to Road Creek off The Bank Land, Graham Ranch, ca 13 air mi W of Sundance. Ponderosa pine-Bur oak forest, north-facing slopes and draws. 4500 ft. 44.42° N, 104.6689° W; uncertainty 1 mi. T51N R65W S9 44.42 -104.6689 1 mi. Flowering and Fruiting N RM0265486 N 215 RM 665110 Marriott 1983 RM 371240 RM0265488 Asteraceae Arnica sororia Greene RM-105561 Hollis Marriott 3543 24 6 1983 U.S.A. Wyoming Crook [location and coordinates withheld] Grassland; south, east, and northeast-facing slopes. 5000 ft. Flowering and Fruiting N RM0265488 N 216 RM 667790 Marriott 1984 RM 371239 RM0265439 Asteraceae Arnica sororia Greene RM-105611 Hollis Marriott 6224 22 5 1984 U.S.A. Wyoming Weston Black Hills: between U. S. Highway 16 and Clay Spur, ca 3.5 air mi NW of Osage. Pinus ponderosa, Juniperus scopulorum on Mowry shale and bentonite. 4200 ft. 44.00972° N, 104.4886° W; uncertainty 1 mi. T47N R64W S36 E1/2 of 44.00972 -104.4886 1 mi. Flowering N RM0265439 N 217 RM 668473 Marriott 1984 RM 371238 RM0265494 Asteraceae Arnica sororia Greene RM-105626 Hollis Marriott 6883 19 6 1984 U.S.A. Wyoming Crook Black Hills: Inyan Kara Mountain (east half). Grassy east facing slope on outer mountain. 5400 ft. 44.2164° N, 104.3447° W; uncertainty 1 mi. T49N R62W S19 44.2164 -104.3447 1 mi. Flowering and Fruiting N RM0265494 N 218 RM 669031 Marriott 1984 RM 371237 RM0265493 Asteraceae Arnica sororia Greene RM-105640 Hollis Marriott 7417 27 6 1984 U.S.A. Wyoming Weston [location and coordinates withheld] Sagebrush-grassland (Artemisia cana). 4800 ft. Flowering and Fruiting N RM0265493 N 219 RM 669243 Marriott 1984 RM 371236 RM0265492 Asteraceae Arnica sororia Greene RM-105506 Hollis Marriott 7618 6 7 1984 U.S.A. Wyoming Crook [location and coordinates withheld] Grassy draw with bur oak. 4300 ft. Flowering and Fruiting N RM0265492 N 220 RM 669418 Marriott 1984 RM 371235 RM0265491 Asteraceae Arnica sororia Greene RM-110797 Hollis Marriott 7786 9 7 1984 U.S.A. Wyoming Crook [location and coordinates withheld] Bur oak woods on lower north slope. 4700 ft. Flowering and Fruiting N RM0265491 N 221 RM 669463 Marriott 1984 RM 371234 RM0265490 Asteraceae Arnica sororia Greene RM-110805 Hollis Marriott 7830 9 7 1984 U.S.A. Wyoming Crook [location and coordinates withheld] Lower north slope, among talus. 5100 ft. Flowering and Fruiting N RM0265490 N 222 RM 669480 Marriott 1984 RM 371233 RM0265489 Asteraceae Arnica sororia Greene RM-105647 Hollis Marriott 7847 11 7 1984 U.S.A. Wyoming Crook [location and coordinates withheld] Pine forest with chokecherry and snowberry thickets. 5200 ft. Flowering and Fruiting N RM0265489 N 223 RM 671858 WY Black Hills USFS 402848 USFS0070922 Asteraceae Arnica sororia Greene RM-111001 Louis Knowles 62 1 6 1913 U.S.A. Wyoming Crook Black Hills (Sundance) National Forest. Loam soil. 4500 ft. 44.5943 -104.399 NAD 83 12 mi. Nat. Geog. TOPO! Flowering and Fruiting N USFS0070922 N 224 RM 673478 Marriott 1984 RM 371232 RM0265497 Asteraceae Arnica sororia Greene RM-111454 Ronald L. Hartman 17559 9 7 1984 U.S.A. Wyoming Crook Black Hills: 9.5 air mi E of Sundance. Ponderosa pine slopes, stream bottom, and meadow; roadside. 4600 ft. 44.395° N, 104.1833° W; uncertainty 1 mi. T51N R61W S21 44.395 -104.1833 1 mi. Flowering and Fruiting N RM0265497 N 225 RM 673778 Marriott 1984 RM 371231 RM0265496 Asteraceae Arnica sororia Greene RM-107176 Ronald L. Hartman 17857 11 7 1984 U.S.A. Wyoming Crook Black Hills: Green Mountain, ca 3 air mi E of Sundance. Plains with outcrops of Chugwater red beds, Pinus ponderosa covered mountain slopes and summit, and moist shaded limestone canyon; partly wooded slopes. 4800 ft. 44.4219° N, 104.32611° W; uncertainty 2 mi. T51N R62W S8; also S17 44.4219 -104.32611 2 mi. Flowering and Fruiting N RM0265496 N 226 RM 674008 Marriott 1984 RM 371230 RM0265495 Asteraceae Arnica sororia Greene RM-107179 Ronald L. Hartman 18083 13 7 1984 U.S.A. Wyoming Crook Black Hills: Buckley Canyon, ca 10.5 air mi SE of Sundance. Wooded ridge (Pinus ponderosa) with sandstone outcrops, sandy slopes, and meadow; meadow. 5300 ft. 44.30472° N, 104.2225° W; uncertainty 2 mi. T50N R61W S19; also S20 44.30472 -104.2225 2 mi. Flowering and Fruiting N RM0265495 N 227 RM 674662 WY Black Hills RM 371229 RM0265508 Asteraceae Arnica sororia Greene RM-111515 W. Latady 29 7 6 1984 U.S.A. Wyoming Crook Black Hills: Keyhole Reservoir, McKean Site. Pine ridge. 4200 ft. 44.3589° N, 104.8317° W; uncertainty 1 mi. T51N R66W S31 44.3589 -104.8317 1 mi. Flowering and Fruiting N RM0265508 N 228 RM 675342 WY Black Hills RM 568838 RM0265440 Asteraceae Arnica sororia Greene RM-111079 Neil Snow 4477 G. K. Brown & T. M. Evans. 14 6 1989 U.S.A. Wyoming Crook Black Hills: off of State Hwy 112, 21.2 mi S of Montana, ca 62 air mi NE of Gillette. Open forest of Pinus ponderosa and Quercus macrocarpa. 4500 ft. 44.8139° N, 104.6231° W; uncertainty 1 mi. T55N R65W S23 44.8139 -104.6231 1 mi. Flowering N RM0265440 N 229 RM 711432 Elliott, Emily 2007 USFS 860905 USFS0043312 Asteraceae Arnica sororia Greene RM-115553 B. E. Nelson 71736 Emily Elliott 2 6 2007 U.S.A. Wyoming Park Beartooth Mountains: Shoshone National Forest: ridge S of Line Creek, ca 0.3-0.5 mi S of Montana, ca 37 air mi NNW of Cody. Slopes of decomposing granite or redbeds with limber pine and Douglas fir. 6050 6600 ft. 44.9997° N, 109.2972° W; NAD 83, , GPS Reading T58N R103W S22 N1/4 44.9997 -109.2972 NAD 83 GPS Reading Flowering N USFS0043312 230 RM 712347 Elliott, Emily 2007 USFS 860906 USFS0043313 Asteraceae Arnica sororia Greene RM-115634 Brian Elliott 13670 25 7 2007 U.S.A. Wyoming Park Beartooth Mountains: Shoshone National Forest: Sawtooth Mountain, ca 33.5 air mi NW of Cody. Mixed conifer forest and granite rock outcrops. 9720 10900 ft. 44.9041° N, 109.4557° W; NAD 83, , GPS Reading T57N R104W S20 SW1/4 44.9041 -109.4557 NAD 83 GPS Reading Flowering and Fruiting N USFS0043313 231 RM 713108 Elliott, Emily 2007 RM 938559 RM0108481 Asteraceae Arnica sororia Greene RM-115672 Emily Elliott 789 Brian Elliott 4 6 2007 U.S.A. Montana Carbon Cooney Reservoir along Red Lodge Creeek Road, on south side of reservoir W of dam, ca 18 air mi N of Red Lodge. Slopes around reservoir with sandy soils in mixed Artemisia cana and annual weedy forbs/grasses. 4250 ft. 45.4444° N, 109.2037° W; WGS 84, , GPS Reading T4S R20E S36 N1/2 45.4444 -109.2037 NAD 83 GPS Reading Flowering N RM0108481 232 RM 713180 Elliott, Emily 2007 USFS 860874 USFS0044514 Asteraceae Arnica sororia Greene RM-115673 Emily Elliott 861 Brian Elliott 4 6 2007 U.S.A. Montana Stillwater Beartooth Mountains: along Mont Hwy 420, ca 3/4 mi N of Beehive, ca 31 air mi NW of Red Lodge. Volcanic tuft (ash substrate) cliffs and surrounding slopes dominated by annual weedy forbs with very few trees, area recently burned. 4680 5360 ft. 45.4885° N, 109.718° W; WGS 84, , GPS Reading T4S R16E S14 N1/2 45.4885 -109.718 NAD 83 GPS Reading Flowering and Fruiting N USFS0044514 233 RM 713441 Elliott, Emily 2007 USFS 867573 USFS0048921 Asteraceae Arnica sororia Greene RM-115678 Emily Elliott 1122 Brian Elliott 8 6 2007 U.S.A. Montana Park Gallatin Mountains: Gallatin National Forest: along Forest Road 978, ca 14 air mi SW of Livingston. Steep south-facing open slope dominated by mixed grasses and forbs into outcrop of conglomerates and mixed conifer forest. 5840 6760 ft. 45.5186° N, 110.7625° W; WGS 84, , GPS Reading T4S R8E S5 E1/2 45.5186 -110.7625 NAD 83 GPS Reading Flowering N USFS0048921 234 RM 713445 Elliott, Emily 2007 USFS 867574 USFS0048922 Asteraceae Arnica sororia Greene RM-115678 Emily Elliott 1126 Brian Elliott 8 6 2007 U.S.A. Montana Park Gallatin Mountains: Gallatin National Forest: along Forest Road 978, ca 14 air mi SW of Livingston. Steep south-facing open slope dominated by mixed grasses and forbs into outcrop of conglomerates and mixed conifer forest. 5840 6760 ft. 45.5186° N, 110.7625° W; WGS 84, , GPS Reading T4S R8E S5 E1/2 45.5186 -110.7625 NAD 83 GPS Reading Flowering N USFS0048922 235 RM 715794 Elliott, Emily 2007 USFS 864374 USFS0044512 Asteraceae Arnica sororia Greene RM-115731 Emily Elliott 3475 Brian Elliott 22 7 2007 U.S.A. Montana Carbon Beartooth Mountains: Custer National Forest: W and above West Fork Rock Creek, ca 17.6 air mi WSW of Red Lodge. Alpine. 9800 11200 ft. 45.1133° N, 109.593° W; WGS 84, , GPS Reading T8S R17E S23 SW1/2; also N1/2 S26 45.1133 -109.593 WGS 84 GPS Reading Flowering N USFS0044512 236 RM 716170 Elliott, Emily 2007 USFS 867579 USFS0048927 Asteraceae Arnica sororia Greene RM-115750 Emily Elliott 3851 Brian Elliott 30 7 2007 U.S.A. Montana Park Absaroka Range: Gallatin National Forest: just SE of Mount Wallace above the head of Grizzly Creek, ca 33.5 air mi SSE of Livingston. Alpine cirque dominated by Carex with streams running through it. 9440 9760 ft. 45.1855° N, 110.4562° W; WGS 84, , GPS Reading T7S R10E S27 SE1/4; also NE1/4 S34 45.1855 -110.4562 WGS 84 GPS Reading Flowering N USFS0048927 237 RM 716218 Elliott, Emily 2007 USFS 867578 USFS0048926 Asteraceae Arnica sororia Greene RM-115750 Emily Elliott 3899 Brian Elliott 30 7 2007 U.S.A. Montana Park Absaroka Range: Gallatin National Forest: just SE of Mount Wallace above the head of Grizzly Creek, ca 33.5 air mi SSE of Livingston. Alpine cirque dominated by Carex with streams running through it. 9440 9760 ft. 45.1855° N, 110.4562° W; WGS 84, , GPS Reading T7S R10E S27 SE1/4; also NE1/4 S34 45.1855 -110.4562 WGS 84 GPS Reading Flowering and Fruiting N USFS0048926 238 RM 717866 Elliott, Emily 2007 RM 938560 RM0108482 Asteraceae Arnica sororia Greene RM-115858 Ronald L. Hartman 85622 15 6 2007 U.S.A. Montana Stillwater Beartooth Mountains: ca 4 air mi SSW of Limestone. Open grassy slopes. 6150 ft. 45.4303° N, 109.9342° W; NAD 83, , GPS Reading T5S R14E S1 NE1/4 45.4303 -109.9342 NAD 83 GPS Reading Flowering N RM0108482 239 RM 717914 Elliott, Emily 2007 RM 938561 RM0108406 Asteraceae Arnica sororia Greene RM-115859 Ronald L. Hartman 85670 15 6 2007 U.S.A. Montana Stillwater Beartooth Mountains: Beehive Rock and vicinity, 0.5-1 air mi N of Beehive. Limestone outcrops with slopes; area burned in forest fire in 2006; very motley mix of natives and exotics. 4890 5623 ft. 45.4856° N, 109.7203° W to 45.498° N, 109.712° W; NAD 83, , GPS Reading T45S R16E S14 N1/2; also south1/2 S11 45.498 -109.712 NAD 83 GPS Reading Flowering and Fruiting N RM0108406 240 RM 718463 Elliott, Emily 2007 USFS 860875 USFS0043311 Asteraceae Arnica sororia Greene RM-120599 B. E. Nelson 38293 15 6 1996 U.S.A. Wyoming Park [location and coordinates withheld] Bottom of a grassy sagebrush draw. 4920 5750 ft. Flowering N USFS0043311 241 RM 737640 McNeill 2008 RM Asteraceae Arnica sororia Greene RM-120684 Rick McNeill 1377 3 7 2008 U.S.A. Montana Meagher Lewis and Clark National Forest: Little Belt Mountains: Forest Road 268, ca 3/4 air mi W of junction with Forest Road 839. Open meadow in a mixed forest, Pseudotsuga menziesii/Picea glauca/Pinus flexilis; on a limestone ridge. 2167 m. 47.0074° N, 111.0611° W; NAD 83, uncertainty 0.25 mi., GPS reading T14N R5E S2 47.0074 -111.0611 NAD 83 0 mi. GPS reading Flowering N 242 RM 737765 McNeill 2008 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene. RM-120689 Rick McNeill 1502 3 7 2008 U.S.A. Montana Meagher Lewis and Clark National Forest: Little Belt Mountains: South Fork Tenderfoot Road, ca 2 air mi from junction with Forest Road 589. Riparian zone and meadow NW of road; southwest aspect, 5-30% slope, limestone bedrock. 1725 m. 46.9204° N, 111.0955° W; NAD 83, uncertainty 0.25 mi., GPS reading T13N R5E S3 46.9204 -111.0955 NAD 83 0 mi. GPS reading Flowering N 243 RM 737817 McNeill 2008 RM Asteraceae Arnica sororia Greene RM-120690 Rick McNeill 1554a 3 7 2008 U.S.A. Montana Meagher Lewis and Clark National Forest: Little Belt Mountains: junction of Forest roads 6503 and 831, ca 7 air mi N of Newland Creek Reservoir. Open ridge leading to forested peak; Pinus contorta and Pseudotsuga menziesii, limestone outcrops. 1952 m. 46.737° N, 110.9605° W; NAD 83, uncertainty 0.25 mi., GPS reading T11N R6E S10 46.737 -110.9605 NAD 83 0 mi. GPS reading Flowering 244 RM 737997 McNeill 2008 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene. RM-120696 Rick McNeill 1733 6 7 2008 U.S.A. Montana Fergus Lewis and Clark National Forest: Big Snowy Mountains: Neil Creek Trail head, ca 8 air mi NE of Judith Gap. Scattered meadows in Pseudotsuga menziesii forest; south aspect, 5-20% slope. 1802 m. 46.7537° N, 109.5586° W; NAD 83, uncertainty 0.25 mi., GPS reading T12N R17E S34 46.7537 -109.5586 NAD 83 0 mi. GPS reading Flowering N 245 RM 738082 McNeill 2008 RM Asteraceae Arnica sororia Greene RM-120699 Rick McNeill 1818 7 7 2008 U.S.A. Montana Fergus Lewis and Clark National Forest: Little Snowy Mountains: junction of Forest roads 272 and 273. Old clear cut; west aspect, 5% slope; limestone bedrock. 1559 m. 46.7564° N, 109.0602° W; NAD 83, uncertainty 0.25 mi., GPS reading T12N R21E S34 46.7564 -109.0602 NAD 83 0 mi. GPS reading Flowering N 246 RM 738134 McNeill 2008 RM Asteraceae Arnica sororia Greene RM-120700 Rick McNeill 1870 7 7 2008 U.S.A. Montana Fergus Lewis and Clark National Forest: Little Snowy Mountains: junction of Forest roads 272 and 271. Open ridge line; north and south aspect, 0-20% slope; limestone bedrock. 1635 m. 46.7777° N, 109.0844° W; NAD 83, uncertainty 0.25 mi., GPS reading T12N R21E S28 46.7777 -109.0844 NAD 83 0 mi. GPS reading Flowering N 247 RM 738183 McNeill 2008 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene. RM-120701 Rick McNeill 1919 7 7 2008 U.S.A. Montana Fergus Lewis and Clark National Forest: Little Snowy Mountains: at the end of Forest Road 271. Open meadow and forest of Pseudotsuga menziesii; west aspect, 1-5% slope; limestone bedrock. 1592 m. 46.7964° N, 109.0102° W; NAD 83, uncertainty 0.25 mi., GPS reading T12N R22E S18 46.7964 -109.0102 NAD 83 0 mi. GPS reading Flowering N 248 RM 738284 McNeill 2008 RM Asteraceae Arnica sororia Greene RM-120704 Rick McNeill 2020 Cortnee Arrington-Dwyer and Sandy Mathus 9 7 2008 U.S.A. Montana Chouteau Lewis and Clark National Forest: Highwood Mountains: on southeast shoulder of Highwood Baldy, on Forest Road 8830, at first locked gate. Open meadow along shonkinite ridge; Pseudotsuga menziesii forest; running southwest and northwest aspect, 0-35% slope. 1773 m. 47.41353° N, 110.6316° W; NAD 83, uncertainty 0.25 mi., GPS reading T19N R9E S18 47.41353 -110.6316 NAD 83 0 mi. GPS reading Flowering N 249 RM 740918 McNeill 2008 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by Rick McNeill. RM-120779 Ronald L. Hartman 87666 Rick McNeill 18 6 2008 U.S.A. Montana Judith Basin Lewis and Clark National Forest: Highwood Mountains: North Fork Little Belt Creek, en route to Highwood Baldy, ca 12 air mi E of Belt. Coniferous forests and grassy slopes. 4751 5413 ft. 47.4101° N, 110.6545° W to 47.4115° N, 110.6399° W; NAD 83, uncertainty 1 mi., GPS reading T19N R8E S13 47.4101 -110.6545 NAD 83 1 mi. GPS reading Flowering N 250 RM 743227 Elliott, Emily 2008 USFS 867577 USFS0048925 Asteraceae Arnica sororia Greene RM-115926 Emily Elliott 4967 Brian Elliott 24 6 2008 U.S.A. Montana Sweet Grass Beartooth Mountains: Gallatin National Forest: Derby Mountain along Forest Road 6676, ca 17.5 air mi SSE of Big Timber. In burned area dominated by forbs and rocky ridgetop. 7000 ft. 45.5832° N, 109.8758° W; WGS 84, , GPS reading T3S R15E S9 45.5832 -109.8758 NAD 83 mi. GPS reading Flowering N USFS0048925 251 RM 743384 Elliott, Emily 2008 USFS 867576 USFS0048924 Asteraceae Arnica sororia Greene RM-115930 Emily Elliott 5124 Brian Elliott 26 6 2008 U.S.A. Montana Park Gallatin Range: Gallatin National Forest: along Forest Road 2500 and Big Creek at intersection with Hylite Creek, ca 29 air mi SW of Livingston. Shaded riparian area and boggy area along creek. 5500 ft. 45.3109° N, 110.8972° W; WGS 84, , GPS reading T6S R7E S17 SW1/4; also SE1/4 S18 45.3109 -110.8972 NAD 83 mi. GPS reading Flowering N USFS0048924 252 RM 745258 Elliott, Emily 2008 USFS 867575 USFS0048923 Asteraceae Arnica sororia Greene RM-116008 Emily Elliott 6997 Brian Elliott 4 8 2008 04 Aug 2008 U.S.A. Montana Park Absaroka Range: Gallatin National Forest: between West Boulder Plateau and Falls Creek, ca 33 air mi SSW of Big Timber. Picea and Pinus flexilis with Vaccinium understory and scattered open talus slopes. 7800 9400 ft. 45.4283° N, 110.327° W; WGS 84, , GPS reading T5S R11E S1 SW1/4; also S2 45.4283 -110.327 NAD 83 mi. GPS reading Flowering N USFS0048923 253 RM 746674 Elliott, Emily 2008 USFS 867580 USFS0048928 Asteraceae Arnica sororia Greene RM-117540 Ronald L. Hartman 87861 16 7 2008 U.S.A. Montana Park Beartooth Mountains: Gallatin National Forest: Sheep Mountain, ca 3.5 air mi N of Cooke City. Talus, boulder, and meadow covered slope. 9840 10642 ft. 45.072° N, 109.928° W to 45.069° N, 109.933° W; NAD 83, , GPS reading 45.072 -109.928 NAD 83 GPS reading Flowering N USFS0048928 254 RM 749898 McNeill 2009 RM Asteraceae Arnica sororia Greene RM-120823 Rick McNeill 3982 3 6 2009 U.S.A. Montana Meagher Smith River Wildlife Management Area: ca 3 air mi NNE of Fort Logan. Northeast aspect; 5-15% slope; sagebrush and Pinus ponderosa woodland; quartzite outcrops. 1484 m. 46.7188° N, 111.1596° W; NAD 83, GPS reading T11N R5E S18 46.7188 -111.1596 NAD 83 GPS reading Flowering N 255 RM 750058 McNeill 2009 RM Asteraceae Arnica sororia Greene RM-120833 Rick McNeill 4142 Matt Voigt 7 6 2009 U.S.A. Montana Fergus [location and coordinates withheld] Meadow and hill slope in Pinus ponderosa; high dry soils; southeast aspect; 0-25% slope. 1016 m. Flowering N 256 RM 751076 McNeill 2009 RM Asteraceae Arnica sororia Greene RM-120872 Rick McNeill 5160 26 6 2009 U.S.A. Montana Meagher Lewis and Clark National Forest: Little Belt Mountains: Forest Road 6393 along Spring Creek, ca 0.5 mi SW of Basin Creek Campground. Northwest side of creek; southwest aspect; 0-15% slope; Pinus ponderosa and Artemisia tridentata woodland. 1725 m. 46.635° N, 110.4418° W; NAD 83, GPS reading T10N R10E S14 46.635 -110.4418 NAD 83 GPS reading Flowering N 257 RM 751226 McNeill 2009 RM Asteraceae Arnica sororia Greene RM-120878 Rick McNeill 5310 28 6 2009 U.S.A. Montana Chouteau Lewis and Clark National Forest: Highwood Mountains: saddle along Forest trail, 1.5 air mi NE of Prospect Peak. Open meadow in saddle, seasonally wet; northwest aspect; 15-20% slope; scattered Pinus ponderosa. 1720 m. 47.4718° N, 110.4814° W; NAD 83, GPS reading T20N R10E S29 47.4718 -110.4814 NAD 83 GPS reading Flowering N 258 RM 752325 McNeill 2009 RM Asteraceae Arnica sororia Greene RM-120913 Rick McNeill 6409 14 7 2009 U.S.A. Montana Meagher Lewis and Clark National Forest: Little Belt Mountains: east side of Smith River, Indian Springs Campground, 26.8 air mi NW of White Sulphur Springs. Riparian zone and bench above river, wooded Pseudotsuga menziesii; west aspect; 0-5% slope. 1327 m. 46.8553° N, 111.2472° W; NAD 83, GPS reading T13N R4E S29 46.8553 -111.2472 NAD 83 GPS reading Flowering N 259 RM 752801 McNeill 2009 RM Asteraceae Arnica sororia Greene RM-120935 Rick McNeill 6885 19 7 2009 U.S.A. Montana Judith Basin Lewis and Clark National Forest: Little Belt Mountains: Ettien Ridge, Forest Road 831, ca 2.5 air mi SW of Judith Guard Station. Meadow on hill slope, scattered, Pinus contorta and Pseudotsuga menziesii; east aspect; 0-15% slope; shallow soil, limestone. 1879 m. 46.818° N, 110.3205° W; NAD 83, GPS reading T12N R11E S10 46.818 -110.3205 NAD 83 GPS reading Flowering N 260 RM 752952 McNeill 2009 RM Asteraceae Arnica sororia Greene RM-120940 Rick McNeill 7036 20 7 2009 U.S.A. Montana Judith Basin Lewis and Clark National Forest: Little Belt Mountains: Forest Road 487, above South Fork Judith River at Hoover Springs. Open meadow; southwest aspect; 5-10% slope; limestone. 2164 m. 46.7245° N, 110.5256° W; NAD 83, GPS reading T11N R10E S7 46.7245 -110.5256 NAD 83 GPS reading Flowering N 261 RM 753427 McNeill 2009 RM Asteraceae Arnica sororia Greene 1. Arnica fulgens Pursh. RM-120953 Rick McNeill 7511 27 7 2009 U.S.A. Montana Lewis and Clark Lewis and Clark National Forest: Front Range: Scapegoat Plateau: permanent snow field, ca 1.5 air mi WNW of Scapegoat Mountain. Along edge of snow field, small streams flowing into limestone cracks/caves; very shallow soil or bare rock slabs; west aspect; 0-30% slope. 2385 m. 47.3186° N, 112.8604° W; WGS 83, GPS reading T18N R10W S15 47.3186 -112.8604 WGS 83 GPS reading Flowering N 262 RM 756241 Hallman 2009 USFS0050084 Asteraceae Arnica sororia Greene RM-119540 B. E. Nelson 77354 17 6 2009 U.S.A. Montana Powder River Custer National Forest: Ashland District: Red Shale Campground and vicinity on U. S. Hwy 212 above East Fork Otter Creek, ca 6 air mi E of Ashland. Forb and grass flats. 3140 3240 ft. 45.571° N, 106.1467° W; NAD 83, , Nat. Geog. TOPO! T3S R45E S14 SW1/4 45.571 -106.1467 NAD 83 Nat. Geog. TOPO! Flowering N USFS0050084 263 RM 756296 Hallman 2009 USFS 883277 USFS0049103 Asteraceae Arnica sororia Greene RM-119545 B. E. Nelson 77409 17 6 2009 U.S.A. Montana Powder River Custer National Forest: Ashland District: on the divide between East Fork Otter Creek and Wilbur Creek on Wilbur Creek (Forest Road 4775), ca 13 air mi E of Ashland. Meadow and logged area. 3700 3780 ft. 45.5992° N, 105.9955° W; NAD 83, , Nat. Geog. TOPO! T3S R46E S1 W1/2 45.5992 -105.9955 NAD 83 Nat. Geog. TOPO! Flowering N USFS0049103 264 RM 757937 Hallman 2009 USFS 885220 USFS0052189 Asteraceae Arnica sororia Greene RM-119085 Hans Hallman 831 20 6 2009 U.S.A. Montana Rosebud Custer National Forest: Ashland Ranger District: King Mountain Hiking and Riding Area: in and around East Fork O' Dell Creek ca 2.5 air mi E of O' Dell Creek or Forest Road 4131, ca 12.5 air mi S of Ashland. Partially burned ponderosa pine-dominated upland. 3660 3820 ft. 45.4219° N, 106.2651° W; NAD 83, , GPS reading T5S R44E S11 N1/2 45.4219 -106.2651 NAD 83 GPS reading Fruiting N USFS0052189 265 RM 758027 Hallman 2009 USFS 885219 USFS0052188 Asteraceae Arnica sororia Greene RM-119087 Hans Hallman 921 20 6 2009 U.S.A. Montana Powder River Custer 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. Grassland with partially burned, open ponderosa pine forest. 3470 3540 ft. 45.5138° N, 106.0024° W; NAD 83, , GPS reading T4S R46E S1 45.5138 -106.0024 NAD 83 GPS reading Fruiting N USFS0052188 266 RM 769236 Elliott, Emily 2008 RM 860907 USFS0043314 Asteraceae Arnica sororia Greene RM-127082 Brian Elliott 14006 6 7 2008 U.S.A. Wyoming Park Beartooth Mountains: Shoshone National Forest: at Clarks Fork Trailhead on Wyo Hwy 296 and NE, ca 17 air mi SE of Cooke City, Montana. On hills with Douglas fir and lodgepole pine forest with scattered meadows and aspen stands. 6700 7600 ft. 44.8829° N, 109.6515° W; WGS 84, , GPS reading T57N R106W S34 NE1/4; also NW1/4 S35 and S26 44.8829 -109.6515 WGS 84 GPS reading Flowering N USFS0043314 267 RM 769728 Elliott, Emily 2008 RM 864375 USFS0044513 Asteraceae Arnica sororia Greene RM-128322 Brian Elliott 14517 16 8 2008 U.S.A. Montana Carbon Beartooth 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. Avalanche chute flanked by mixed conifer forest. 9500 ft. 45.0228° N, 109.3518° W; WGS 84, , GPS reading T9S R19E S23 45.0228 -109.3518 WGS 84 GPS reading Flowering N USFS0044513 268 RM 769791 Elliott, Emily 2008 RM 863542 USFS0044515 Asteraceae Arnica sororia Greene RM-128323 Brian Elliott 14580 16 8 2008 U.S.A. Montana Carbon Beartooth 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. Alpine meadows and talus. 9770 10000 ft. 45.0302° N, 109.341° W to 45.0056° N, 109.3822° W; WGS 84, , GPS reading T9S R19E S23; also S22, S27, and S28 45.0302 -109.341 WGS 84 GPS reading Flowering N USFS0044515 269 RM 771840 Elliott, Brian 2010 USFS 857585 Asteraceae Arnica sororia Greene RM-130213 Brian Elliott 14856 1 6 2010 U.S.A. Wyoming Crook Black 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. On south-facing slope; cliffs in Pinus ponderosa/Berberis repens forest. 4550 ft. 571090E, 4925829N; NAD 83, GPS reading T52N R60W S19 SE1/4 NW1/4 USGS Quad:Tinton Survey ID#:10D001 Flowering and Fruiting N N 270 RM 776599 Missouri Plateau RM 355623 Asteraceae Arnica sororia Greene RM-132971 Robert W. Lichvar 6138 14 6 1984 U.S.A. Montana Big Horn Ok-A-Beh Road. Open grassy slope with lupinus. 4550 ft. T6S R31E S32 Flowering N N 271 RM 776600 Missouri Plateau RM 210481 Asteraceae Arnica sororia Greene RM-132972 F. B. Cotner 280-667 3 7 1937 U.S.A. Montana Gallatin Crazy Mountains: Cottonwood Bench, near Bozeman. Flowering N N 272 RM 776601 Missouri Plateau USFS 471113 Asteraceae Arnica sororia Greene RM-132486 Anthony B. Evanko ABE-109 11 7 1950 U.S.A. Montana Madison Beaverhead National Forest: Vigilante Range Station IV. Slope 4%, WNW exposure; deep loam; grassland with Fid, Asp, Kcr, Poa, Geranium. 7300 ft. T10S R3W S12 Common. Flowering N N 273 RM 776602 Missouri Plateau USFS 471044 Asteraceae Arnica sororia Greene RM-132973 Paul C. Lemon PL-164 Anthony Evanko 16 7 1941 U.S.A. Montana Madison Beaverhead National Forest: Vigilante Experimental Range: Cattle Unit. Deep black loam soil; grassland with Festuca idahoensis, Geranium. 7500 ft. T10S R3W S11 Uncommon. Flowering and Fruiting N N 274 RM 776603 Missouri Plateau USFS 471108 Asteraceae Arnica sororia Greene RM-128481 Ronald D. Christianson RDC-6 22 6 1959 U.S.A. Montana Powell Deerlodge National Forest: Modesty Creek Ridge. Slope 20%, southeast exposure; fescue grassland; with Festuca idahoensis, Festuca scabrella, Koeleria cristata, Stipa columbiana, Arenaria rosea. 6500 ft. T6N R11W S15 Occurrence rare. Flowering N N 275 RM 776604 Missouri Plateau USFS 471114 Asteraceae Arnica sororia Greene RM-132974 Anthony B. Evanko ABE-65 Peterson 19 7 1950 U.S.A. Montana Madison Beaverhead National Forest: Cliff Lake Bench. Grassland; slope 5%, NNW exposure; deep loam soil with Fid, Poa, Asp, Stipa, lupine; more arid spot. 7000 ft. T12S R1E S15 NE1/4 Common locally. Flowering and Fruiting N N 276 RM 776605 Missouri Plateau RM 21637 Asteraceae Arnica sororia Greene RM-132975 P. A. Rydberg 5223 Ernst A. Bessey 20 6 1897 U.S.A. Montana Gallatin Spanish Basin. 6500 ft. Flowering N N 277 RM 776606 Missouri Plateau RM 22486 Asteraceae Arnica sororia Greene RM-132976 J. W. Blankinship s.n. 20 6 1899 U.S.A. Montana Gallatin Bozeman. Meadows. Common. Flowering N N 278 RM 776607 Missouri Plateau USFS 471112 Asteraceae Arnica sororia Greene RM-132977 C. Eugene Larsen 6 3 9 1938 U.S.A. Montana Ravalli Bitterroot National Forest. Slope 40%, west exposure; moist hillside, shallow rocky soil; timber and grass cover type with Bte, Asp, Fid. 4500 ft. T5N R20W S34 Flowering and Fruiting N N 279 RM 776608 Missouri Plateau USFS 471111 Asteraceae Arnica sororia Greene RM-132978 Merton J. Reed 304 9 7 1953 U.S.A. Montana Ravalli Bitterroot National Forest: Sula District. Steep south slope; coarse granitic soil; open grassland; with Agropyron spicatum, balsamroot, Koeleria, Poa, Carum. 6500 ft. T1S R19W S10 NW1/4 NE1/4 Flowering N N 280 RM 776609 Missouri Plateau USFS 471110 Asteraceae Arnica sororia Greene RM-132979 C. H. Macdonald 1587 4 7 1959 U.S.A. Montana Ravalli Bitterroot National Forest: Greyhorse pasture. Slope 10%, west exposure; weed and grass cover type with Geranium, rose, snowberry, brome; sandy loam clay soil. 4500 ft. T9N R18W S8 Flowering N N 281 RM 776610 Missouri Plateau RM 202872 Asteraceae Arnica sororia Greene RM-132980 C. Leo Hitchcock 11499 C. V. Muhlick 25 6 1945 U.S.A. Montana Missoula Blackfoot Valley: 1 mi W of Greenough. Sagebrush hills. Flowering N N 282 RM 776611 Missouri Plateau RM 252726 Asteraceae Arnica sororia Greene RM-123978 W. E. Booth 56387 10 6 1956 U.S.A. Montana Broadwater Ca 20 mi E of Townsend. Open Douglas-fir forest and creek bottom. Flowering N N 283 RM 776612 Missouri Plateau RM 122339 Asteraceae Arnica sororia Greene RM-132981 J. W. Blankinship s.n. 24 6 1899 U.S.A. Montana Gallatin Bozeman. Flowering N N 284 RM 776613 Missouri Plateau RM 22483 Asteraceae Arnica sororia Greene RM-132982 J. W. Blankinship s.n. 5 7 1898 U.S.A. Montana Gallatin River: lower canyon. Flowering N N 285 RM 776614 Missouri Plateau RM 218456 Asteraceae Arnica sororia Greene RM-132983 C. Leo Hitchcock 17902 1 7 1948 U.S.A. Montana Lewis and Clark 7 mi W of Lincoln: near Hwy 2. Open field. Flowering N N 286 RM 776615 Missouri Plateau RM 218906 Asteraceae Arnica sororia Greene RM-122836 C. Leo Hitchcock 17893 2 7 1948 U.S.A. Montana Lewis and Clark Rock Creek, ca 8 mi NW of Conway. Flowering and Fruiting N N 287 RM 776616 Missouri Plateau RM 218905 Asteraceae Arnica sororia Greene RM-132984 C. Leo Hitchcock 17768 27 6 1948 U.S.A. Montana Lake 2 mi S of Polson. Open grassy slope. Flowering and Fruiting N N 288 RM 776617 Missouri Plateau RM 202867 Asteraceae Arnica sororia Greene RM-132985 C. Leo Hitchcock 12424 C. V. Muhlick 17 7 1945 U.S.A. Montana Meagher 2 mi N of Ringling. Sagebrush hills. Achenes sparsely puberulent. Flowering and Fruiting N N 289 RM 776618 Missouri Plateau RM 622159 Asteraceae Arnica sororia Greene RM-132986 James P. Vanderhorst 5447 9 7 1995 U.S.A. Montana Beaverhead Grasshopper Creek drainage: ca 14 air mi W of Dillon. Rolling hills with Artemisia tridentata/Elymus spicatus community, with Astragalus adsurgens, Astragalus miser. 6400 ft. T8S R10W S7 Plants widespread and characteristic of this habitat type. Flowering N N 290 RM 777208 Hallman 2010 USFS 885218 USFS0052187 Asteraceae Arnica sororia Greene RM-130024 Hans Hallman 4709 10 6 2010 U.S.A. Montana Powder River Custer National Forest: Ashland Ranger District: ca 0.5 air mi E of Fletcher Reservoir between Forest roads 4792 and 47921, ca 27.5 air mi SSE of Ashland. Draw with green ash, juniper, and ponderosa pine. 3650 3750 ft. 45.2045° N, 106.1227° W; NAD 83, , GPS reading T7S R46E S29 E1/2 45.2045 -106.1227 NAD 83 GPS reading Flowering N USFS0052187 291 RM 777288 Hallman 2010 RM 908458 RM0031410 Asteraceae Arnica sororia Greene RM-130032 Hans Hallman 4789 11 6 2010 U.S.A. Montana Powder River Ca 0.5 air mi W of Otter Creek Road, ca 0.5 air mi S of Custer National Forest boundary, ca 30 air mi SSE of Ashland. Grass and ponderosa pine-dominated draw with juniper, Linum, Tragopogon, and Rhus. 3580 3660 ft. 45.1659° N, 106.1384° W; NAD 83, , GPS reading T8S R45E S1 E1/2; also T8S R46E S6 W1/2 45.1659 -106.1384 NAD 83 GPS reading Flowering N RM0031410 292 RM 777727 Hallman 2010 USFS 885217 USFS0052186 Asteraceae Arnica sororia Greene RM-130055 Hans Hallman 5228 24 6 2010 U.S.A. Montana Powder River Custer National Forest: Ashland Ranger District: E of Forest Road 4775, ca 1.5 air mi SE of East Fork Otter Creek Road, ca 2.5 air mi SSW of Holiday Campground, ca 13.5 air mi E of Ashland. Ponderosa pine-dominated forest with scattered rock outcrops and grass-dominated openings. 3640 3900 ft. 45.6057° N, 106.0025° W; NAD 83, , GPS reading T3S R46E S1 NW1/4; also S2 NE1/4 45.6057 -106.0025 NAD 83 GPS reading Flowering N USFS0052186 293 RM 777784 Hallman 2010 USFS 885216 USFS0052185 Asteraceae Arnica sororia Greene RM-130058 Hans Hallman 5285 26 6 2010 U.S.A. Montana Rosebud Custer 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. Grass and sagebrush-dominated grazed prairie with scattered, wet cattle wallows. 3920 3980 ft. 45.2689° N, 106.2752° W; NAD 83, , GPS reading T6S R44E S36 SE1/4; also T7S R44E S1 NE1/4 and T7S R45E S6 NW1/4 45.2689 -106.2752 NAD 83 GPS reading Fruiting N USFS0052185 294 RM 777980 Hallman 2010 USFS 885215 USFS0052184 Asteraceae Arnica sororia Greene RM-130073 Hans Hallman 5481 28 6 2010 U.S.A. Montana Powder River Custer 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. Ponderosa pine forest with grass-dominated openings, with Rhus, Rosa, and Balsamorhiza patches. 3800 4040 ft. 45.6569° N, 106.0755° W; NAD 83, , GPS reading T2S R46E S17 E1/2; also S16 W1/2, S20 NE1/4, and S21 NW1/4 45.6569 -106.0755 NAD 83 GPS reading Fruiting N USFS0052184 295 RM 778004 Hallman 2010 USFS 885214 USFS0052183 Asteraceae Arnica sororia Greene RM-130074 Hans Hallman 5505 29 6 2010 U.S.A. Montana Powder River Custer 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. Upland ponderosa pine and grass-dominated woodland. 4040 4140 ft. 45.639° N, 106.0003° W; NAD 83, , GPS reading T2S R46E S24 SW1/4 45.639 -106.0003 NAD 83 GPS reading Flowering and Fruiting N USFS0052183 296 RM 778110 Hallman 2010 RM Asteraceae Arnica sororia Greene RM-130076 Hans Hallman 5611 30 6 2010 U.S.A. Montana Powder River Ca 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. Grass and sagebrush-dominated grazing land with some moist draws and scattered small areas of badlands. 3400 3580 ft. 45.1976° N, 105.2449° W; NAD 83, , GPS reading T8S R53E S29 45.1976 -105.2449 NAD 83 GPS reading Fruiting N 297 RM 778312 Hallman 2010 USFS 885213 USFS0052182 Asteraceae Arnica sororia Greene RM-130347 Hans Hallman 5813 6 7 2010 U.S.A. Montana Powder River Custer 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. Ponderosa pine forest with dense groundcover of Berberis and Toxicodendron. 3940 4000 ft. 45.6376° N, 105.9735° W; NAD 83, , GPS reading T2S R47E S19 SE1/4; also S30 NE1/4 and S29 NW1/4 45.6376 -105.9735 NAD 83 GPS reading Fruiting N USFS0052182 298 RM 787997 Charboneau 2010 RM Asteraceae Arnica sororia Greene RM-128564 B. E. Nelson 80098 Joseph L. M. Charboneau 13 6 2010 U.S.A. Montana Valley On ridge between Lena Coulee and Cut Throat Coulee on the Timber Creek Trail, ca 41 air mi SW of Glasgow. Clay and bentonite badlands with ponderosa pine. 2430 2620 ft. 47.7659° N, 107.3114° W; NAD 83, GPS reading T23N R34E S12 SW1/4 47.7659 -107.3114 NAD 83 GPS reading Flowering and Fruiting N 299 RM 789926 Charboneau 2010 RM Asteraceae Arnica sororia Greene RM-127712 Joseph L. M. Charboneau 469 24 6 2010 U.S.A. Montana Valley On Ridge Road, on ridge above Tony Coulee, ca 2.5 air mi SW of Finn Reservoir, ca 36 air mi SW of Glasgow. Drainage bottom. 2850 3130 ft. 47.91° N, 107.259° W; NAD 83, GPS reading T25N R35E S19 NE1/4 47.91 -107.259 NAD 83 GPS reading Flowering and Fruiting N 300 RM 789978 Charboneau 2010 RM Asteraceae Arnica sororia Greene RM-127716 Joseph L. M. Charboneau 521 26 6 2010 U.S.A. Montana Phillips Off 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. Rolling grasslands with occasional sagebrush on loamy to sandy soil. 2875 2890 ft. 48.9045° N, 108.1485° W; NAD 83, GPS reading T36N R27E S1 SW1/4 48.9045 -108.1485 NAD 83 GPS reading Flowering N 301 RM 790090 Charboneau 2010 RM Asteraceae Arnica sororia Greene RM-127730 Joseph L. M. Charboneau 633 27 6 2010 U.S.A. Montana Phillips Matador 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. In moister draw bottoms. 2940 3040 ft. 47.8103° N, 108.2047° W; NAD 83, GPS reading T24N R27E S26 SW1/4 47.8103 -108.2047 NAD 83 GPS reading Flowering N 302 RM 790235 Charboneau 2010 RM Asteraceae Arnica sororia Greene RM-127741 Joseph L. M. Charboneau 778 30 6 2010 U.S.A. Montana Phillips On 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. Low-lying intermittent pond (dry). 2415 2440 ft. 48.8478° N, 107.6491° W; NAD 83, GPS reading T36N R31E S27 SE1/4 48.8478 -107.6491 NAD 83 GPS reading Flowering N 303 RM 791466 Charboneau 2010 RM Asteraceae Arnica sororia Greene RM-127839 Joseph L. M. Charboneau 2009 22 7 2010 U.S.A. Montana Blaine W 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. Moist bottoms. 3000 3060 ft. 48.9698° N, 108.4107° W; NAD 83, GPS reading T37N R24E S14 NW1/4 48.9698 -108.4107 NAD 83 GPS reading Flowering and Fruiting N 304 RM 818531 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142722 B. E. Nelson 81691 18 6 2011 U.S.A. Montana Phillips Along Hog Farm Road just E of Big Warm Creek, ca 1 air mi SE of Ester Lake, ca 25 air mi SW of Malta. Plains grassland with small disturbed areas. 2650 ft. 48.0879° N, 108.24° W; NAD 83, GPS reading T27N R27E S21 NE1/4 48.0879 -108.24 NAD 83 GPS reading Flowering and Fruiting N 305 RM 818723 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142738 B. E. Nelson 81883 20 6 2011 U.S.A. Montana Valley Along Bentonite Road, ca 1.5 air mi W of Mahan and Hoyt Reservoir, ca 7 air mi W of Glasgow. Plains grassland with draws. 2180 2260 ft. 48.1982° N, 106.7822° W; NAD 83, GPS reading T28N R38E S11 W1/2 48.1982 -106.7822 NAD 83 GPS reading Flowering and Fruiting N 306 RM 818818 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142745 B. E. Nelson 81978 22 6 2011 U.S.A. Montana Valley In Barber Coulee just S of Willow Creek Road, ca 36 air mi SW of Glasgow. Bottom of the draw and adjacent slopes. 2520 ft. 47.8145° N, 107.1206° W; NAD 83, GPS reading T24N R36E S29 SE1/4 47.8145 -107.1206 NAD 83 GPS reading Flowering and Fruiting N 307 RM 818917 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142751 B. E. Nelson 82077 24 6 2011 U.S.A. Montana Phillips Along 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. Badlands with gravel to cobblestone size rocks, with drainage channels, bentonite boils, grassy patches, and grassland on the flats above. 2580 2640 ft. 48.1693° N, 108.2685° W; NAD 83, GPS reading T28N R27E S20 South1/2 48.1693 -108.2685 NAD 83 GPS reading Flowering and Fruiting N 308 RM 818975 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142752 B. E. Nelson 82135 24 6 2011 U.S.A. Montana Phillips Along 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 Plains grasslands with vernal depressions. 2580 ft. 48.2908° N, 108.224° W; NAD 83, GPS reading T29N R27E S9 NE1/4 48.2908 -108.224 NAD 83 GPS reading Flowering and Fruiting N 309 RM 819228 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142765 B. E. Nelson 82388 26 6 2011 U.S.A. Montana Valley At the end of the Montfort Road 2.5-3 air mi S of Vandalia; ca 10 air mi SE of Hinsdale. Plains grassland with vernal depressions on stony soil. 2260 2350 ft. 48.3141° N, 106.9163° W to 48.3205° N, 106.9121° W; NAD 83, GPS reading T30N R37E S33 NE1/4 48.3141 -106.9163 NAD 83 GPS reading Flowering and Fruiting N 310 RM 819305 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142776 B. E. Nelson 82465 28 6 2011 U.S.A. Montana Phillips At the intersection of U.S. Hwy 191 and Sunnyslope Road, ca 2 air mi N of Loring; ca 32 air mi N of Malta. Rolling plains grassland with stony knolls and swales. 2800 2820 ft. 48.8201° N, 107.8593° W; NAD 83, GPS reading T35N R30E S6 SW1/4 48.8201 -107.8593 NAD 83 GPS reading Flowering and Fruiting N 311 RM 819347 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142875 B. E. Nelson 82507 28 6 2011 U.S.A. Montana Phillips At the corner of Grabofsky and North Sunnyslope roads, 1 mi S of Saskatchewan, ca 45 air mi NNW of Malta. Rolling plains grassland with swales. 2840 2860 ft. 48.9838° N, 108.0838° W; NAD 83, GPS reading T37N R28E S7 NE1/4 48.9838 -108.0838 NAD 83 GPS reading Flowering and Fruiting N 312 RM 819410 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142878 B. E. Nelson 82570 28 6 2011 U.S.A. Montana Phillips Hills E of Chapman above Woody Island Coulee, ca 38 air mi NNW of Malta. Grassy flats with silver sagebrush, below the bluffs. 2780 2850 ft. 48.872° N, 108.1123° W; NAD 83, GPS reading T36N R28E S19 NE1/4 48.872 -108.1123 NAD 83 GPS reading Flowering and Fruiting N 313 RM 820597 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-141993 Joseph L. M. Charboneau 5041 14 6 2011 U.S.A. Montana Phillips N 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. Grasslands with fringed sage and spikemoss on clay soil. 2700 2710 ft. 47.873° N, 107.9612° W; NAD 83, GPS reading T25N R29E S35 SW1/4 47.873 -107.9612 NAD 83 GPS reading Flowering and Fruiting N 314 RM 820746 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142013 Joseph L. M. Charboneau 5190 15 6 2011 U.S.A. Montana Phillips W 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. Grasslands with fringed sage, spikemoss, and scattered silver sagebrush. 2720 2730 ft. 47.9905° N, 108.1218° W; NAD 83, GPS reading T26N R28E S21 SE1/4 47.9905 -108.1218 NAD 83 GPS reading Flowering and Fruiting N 315 RM 820786 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142018 Joseph L. M. Charboneau 5230 15 6 2011 U.S.A. Montana Phillips Button 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. Grasslands with fringed sage and spikemoss. 2540 2560 ft. 48.1158° N, 107.9847° W; NAD 83, GPS reading T27N R29E S4 SE1/4; S9 NE1/4 48.1158 -107.9847 NAD 83 GPS reading Flowering and Fruiting N 316 RM 821011 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142041 Joseph L. M. Charboneau 5455 Alice Sawyer 21 6 2011 U.S.A. Montana Valley Charles 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. Ponderosa pine-juniper woodland with openings on clay soil. 2040 2400 ft. 47.8296° N, 106.6607° W to 47.8236° N, 106.6665° W; NAD 83, GPS reading T24N R39E S24 W1/2 47.8296 -106.6607 NAD 83 GPS reading Flowering and Fruiting N 317 RM 821141 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142048 Joseph L. M. Charboneau 5585 23 6 2011 U.S.A. Montana Phillips American 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. Grasslands with big sagebrush on clay hills. 2790 2900 ft. 47.7879° N, 108.1344° W; NAD 83, GPS reading T23N R28E S4 N1/2 47.7879 -108.1344 NAD 83 GPS reading Flowering and Fruiting N 318 RM 821647 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142091 Joseph L. M. Charboneau 6091 28 6 2011 U.S.A. Montana Phillips Charles 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. Moist swale in sagebrush-grasslands above the breaks. 2640 2900 ft. 47.6616° N, 108.1914° W to 47.6591° N, 108.1985° W; NAD 83, GPS reading T22N R27E S24 N1/2 47.6616 -108.1914 NAD 83 GPS reading Flowering and Fruiting N 319 RM 821706 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142118 Joseph L. M. Charboneau 6150 28 6 2011 U.S.A. Montana Phillips Ridge 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. Sagebrush-grasslands on rolling hills of clay to loamy soil with swales and areas of stony silty hardpans. 2840 2970 ft. 47.7335° N, 108.2761° W; NAD 83, GPS reading T23N R27E S29 N1/2 47.7335 -108.2761 NAD 83 GPS reading Flowering and Fruiting N 320 RM 821875 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142130 Joseph L. M. Charboneau 6334 30 6 2011 U.S.A. Montana Phillips Larb 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. Silver sagebrush-grasslands on loamy soil on rolling hills with swales. 2480 2650 ft. 48.3002° N, 107.5084° W; NAD 83, GPS reading T29N R32E S1 N1/2 48.3002 -107.5084 NAD 83 GPS reading Flowering and Fruiting N 321 RM 821967 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142133 Joseph L. M. Charboneau 6427 30 6 2011 U.S.A. Montana Phillips Larb 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. Rolling sagebrush-grasslands on loamy soil with slopes and swales. 2330 2500 ft. 48.3039° N, 107.5591° W; NAD 83, GPS reading T29N R32E S3 NW1/4 48.3039 -107.5591 NAD 83 GPS reading Flowering and Fruiting N 322 RM 822331 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142151 Joseph L. M. Charboneau 6783 5 7 2011 U.S.A. Montana Phillips SW 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. Grasslands with occasional silver sagebrush on loamy soil. 2790 2800 ft. 48.7898° N, 107.9482° W; NAD 83, GPS reading T35N R29E S16 SW1/4 48.7898 -107.9482 NAD 83 GPS reading Flowering and Fruiting N 323 RM 822412 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142155 Joseph L. M. Charboneau 6864 5 7 2011 U.S.A. Montana Phillips Cottonwood 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. Riparian thickets and floodplain on clayey soil. 2630 2700 ft. 48.7393° N, 108.1903° W to 48.7437° N, 108.1693° W; NAD 83, GPS reading T34N R27E S3 N1/2; also S4 NE1/4 and T35N R27E S35 SW1/4 48.7393 -108.1903 NAD 83 GPS reading Flowering and Fruiting N 324 RM 822865 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142182 Joseph L. M. Charboneau 7317 11 7 2011 U.S.A. Montana Phillips Korsbeck 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. Grasslands on loamy soil with occasional silver sagebrush, alkaline areas, and large patches of crested wheatgrass, yellow sweetclover, and alfalfa. 2590 2600 ft. 48.2154° N, 108.2706° W; NAD 83, GPS reading T28N R27E S5 N1/2 48.2154 -108.2706 NAD 83 GPS reading Flowering and Fruiting N 325 RM 823035 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142272 Joseph L. M. Charboneau 7485 11 7 2011 U.S.A. Montana Phillips Matador 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. Shallow draw on butte in ponderosa pine forest. 3130 3760 ft. 47.8933° N, 108.3518° W to 47.891° N, 108.3647° W to 47.8973° N, 108.3578° W; NAD 83, GPS reading T25N R26E S27 N1/2 47.8933 -108.3518 NAD 83 GPS reading Flowering and Fruiting N 326 RM 826046 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142753 B. E. Nelson 82166b 24 6 2011 U.S.A. Montana Phillips Along and above "Middle Fork" Exeter Creek, ca 9 air mi ENE of Dodson; ca 10 air mi WNW of Malta. Plains grassland and slopes and swales leading to the creek. 2630 2690 ft. 48.4244° N, 108.061° W; NAD 83, GPS reading T31N R28E S23 SW1/4 48.4244 -108.061 NAD 83 GPS reading Flowering and Fruiting N 327 RM 826047 Charboneau 2011 RM Asteraceae Arnica sororia Greene RM-142758 B. E. Nelson 82262b 26 6 2011 U.S.A. Montana Valley Ridge between Burnett Creek and Collins Creek E of Rock Creek Road, ca 19 air mi NNE of Hinsdale. Rolling plains grassland with stony soil and swales. 2390 2500 ft. 48.6535° N, 106.9642° W to 48.6475° N, 106.9567° W; NAD 83, GPS reading T33N R36E S1 W1/2 48.6535 -106.9642 NAD 83 GPS reading Flowering and Fruiting N 328 RM 834541 Elliott, Emily 2008 USFS0048453 Asteraceae Arnica sororia Greene RM-128323 Brian Elliott 14580 16 8 2008 U.S.A. Montana Carbon Beartooth 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. Alpine meadows and talus. 9770 10000 ft. 45.0302° N, 109.341° W to 45.0056° N, 109.3822° W; WGS 84, , GPS reading T9S R19E S23; also S22, S27, and S28 45.0302 -109.341 WGS 84 GPS reading Flowering N USFS0048453 329 RM 834542 Elliott, Emily 2008 USFS0048452 Asteraceae Arnica sororia Greene RM-128322 Brian Elliott 14517 16 8 2008 U.S.A. Montana Carbon Beartooth 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. Avalanche chute flanked by mixed conifer forest. 9500 ft. 45.0228° N, 109.3518° W; WGS 84, , GPS reading T9S R19E S23 45.0228 -109.3518 WGS 84 GPS reading Flowering N USFS0048452 330 RM 836873 Stewart 2012 RM Asteraceae Arnica sororia Greene RM-149359 Emma E. Freeland 420 11 6 2012 U.S.A. Montana Madison Madison 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. Sagebrush grassland opening in a Douglas fir and Rocky Mountain juniper forest. 4840 5160 ft. 45.4554° N, 111.6495° W to 45.4531° N, 11.6479° W; NAD 83, , GPS reading T4S R1E S30 45.4554 -111.6495 NAD 83 GPS reading Flowering N 331 RM 836943 Stewart 2012 RM Asteraceae Arnica sororia Greene RM-149365 Emma E. Freeland 486 11 6 2012 U.S.A. Montana Madison Madison Valley: Cameron Bench, ca 4 air mi E of McAtee bridge, ca 26 air mi SSE of Ennis. Flat grassland on a bench at the base of steep mountains. 5880 ft. 45.0889° N, 111.5946° W; NAD 83, , GPS reading T8S R1E S34 SW1/4 45.0889 -111.5946 NAD 83 GPS reading Flowering N 332 RM 837606 Stewart 2012 RM Asteraceae Arnica sororia Greene RM-149428 Emma E. Freeland 806 16 6 2012 U.S.A. Montana Beaverhead Blacktail Valley: Blacktail Deer Creek, ca 18 air mi N of Lima Reservoir, ca 33 air mi SE of Dillon. East facing slopes with Artemisia tridentata and Symphoricarpos. 6420 6670 ft. 44.9038° N, 112.3527° W to 44.9011° N, 112.3555° W; NAD 83, , GPS reading T11S R6W S5 SE1/4 44.9038 -112.3527 NAD 83 GPS reading Flowering N 333 RM 837902 Stewart 2012 RM Asteraceae Arnica sororia Greene RM-149450 Emma E. Freeland 1107 19 6 2012 U.S.A. Montana Madison Tobacco Root Mountains: Granite Creek, ca 10 air mi WSW of Ennis Lake, ca 5.5 air mi N of Virginia City. Sagebrush grassland hills. 6100 6440 ft. 45.3624° N, 111.9252° W to 45.3663° N, 111.9229° W; NAD 83, , GPS reading T5S R3W S25; also S36 45.3624 -111.9252 NAD 83 GPS reading Flowering N 334 RM 838008 Stewart 2012 USFS Asteraceae Arnica sororia Greene RM-149457 Emma E. Freeland 1213 Justine Modica 22 6 2012 U.S.A. Montana Madison Madison Range: Mill Creek, ca 2-3 air mi NW of Lake Cameron, ca 11 air mi SE of Ennis. Edge of a sagebrush grassland and a Douglas fir forest. 6330 6630 ft. 45.2213° N, 111.5893° W; NAD 83, , GPS reading T7S R1E S15: also S14 N1/2 45.2213 -111.5893 NAD 83 GPS reading Flowering N 335 RM 838505 Stewart 2012 RM Asteraceae Arnica sororia Greene RM-149842 Emma E. Freeland 1760 5 7 2012 U.S.A. Montana Madison Foothills of the Snowcrest Range: Robb-Ledford State Wildlife Management Area: Robb Creek, ca 3 air mi WNW of Hogback Mountain. Sagebrush steppe on east-facing slopes. 7750 8000 ft. 44.9261° N, 112.1824° W to 44.9236° N, 112.1768° W; NAD 83, , GPS reading T10S R5W S35 NE1/4 44.9261 -112.1824 NAD 83 GPS reading Flowering N 336 RM 842312 Hallman 2009 USFS 885212 USFS0052181 Asteraceae Arnica sororia Greene RM-119540 B. E. Nelson 77354 17 6 2009 U.S.A. Montana Powder River Custer National Forest: Ashland District: Red Shale Campground and vicinity on U. S. Hwy 212 above East Fork Otter Creek, ca 6 air mi E of Ashland. Forb and grass flats. 3140 3240 ft. 45.571° N, 106.1467° W; NAD 83, , Nat. Geog. TOPO! T3S R45E S14 SW1/4 45.571 -106.1467 NAD 83 Nat. Geog. TOPO! Flowering N USFS0052181 337 RM 855955 Irwin 2010 RM Asteraceae Arnica sororia Greene RM-128877 Joshua J. Irwin 1741 30 6 2010 U.S.A. Idaho Custer Pahsimeroi Mountains: Meadow Creek just above Elbow Creek, 14.5 air mi ESE of Challis. Well developed soil in mesic shrub-steppe vegetation; 4° slope, NE aspect; volcaniclastic geology. 6595 ft. 44.45656° N, -113.9444° W; NAD83, uncertainty 10 m., Field Notes T13N R21E S14 44.45656 -113.9444 NAD83 10 m. N N Field Notes 1-25 individuals apparent. Flowering N N 338 RM 856409 Irwin 2010 RM Asteraceae Arnica sororia Greene RM-128776 Joshua J. Irwin 1072 17 6 2010 U.S.A. Idaho Lemhi Challis National Forest: Lemhi Range: Cow Creek Canyon at the confluence of the North Fork Cow Creek, 5.5 air mi NE of Ellis. Well developed soil in mesic grassland vegetation; 20° slope, N aspect; volcaniclastic geology. 5311 ft. 44.73925° N, -113.95766° W; NAD83, uncertainty 10 m., Field Notes T16N R21E S10 44.73925 -113.95766 NAD83 10 m. N N Field Notes 26-75 individuals apparent. Flowering and Fruiting N N 339 RM 856831 Irwin 2010 RM Asteraceae Arnica sororia Greene RM-129154 Joshua J. Irwin 4025 12 8 2010 U.S.A. Idaho Lemhi Salmon National Forest: Salmon River Mountains: China Spring area, on the north side of the forest road, 14.8 air mi SW of Salmon. Well developed soil in mesic forb dominated vegetation; 10° slope, W aspect; andesitoid-rhyolitoid geology. 8841 ft. 45.01281° N, -114.09147° W; NAD83, uncertainty 10 m., Field Notes T20N R20E S34 45.01281 -114.09147 NAD83 10 m. N N Field Notes Population is dominant throughout the area. Flowering N N 340 RM 857324 Irwin 2010 RM Asteraceae Arnica sororia Greene RM-128837 Joshua J. Irwin 1479 24 6 2010 U.S.A. Idaho Lemhi Salmon 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. Well developed soil in mesic grassland vegetation; 13° slope, W aspect; granite geology. 4409 ft. 45.30304° N, -114.34454° W; NAD83, uncertainty 10 m., Field Notes T23N R18E S21 45.30304 -114.34454 NAD83 10 m. N N Field Notes 1-25 individuals apparent. Flowering N N 341 RM 858853 Irwin 2011 RM Asteraceae Arnica sororia Greene RM-153684 Joshua J. Irwin 4628 1 6 2011 U.S.A Idaho Lemhi Salmon 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. 75-150 plants estimated in mesic soil within a forb dominated vegetation, 19 degree slope, SSE aspect, gneiss geology. 3463 ft. T22N R15E S24 45.236 -114.6712 NAD 83 30 m. Flowering and Fruiting N N 342 RM 858975 Irwin 2011 RM Asteraceae Arnica sororia Greene RM-153703 Joshua J. Irwin 4758 7 6 2011 U.S.A Idaho Lemhi Salmon National Forest: Northern Salmon River Mountains: ridgetop dividing lower Wheat and Corn creeks, 19.5 air mi W of Shoup. In mesic soil within grassland vegetation, 21 degree slope, west aspect, gneiss geology. 4103 ft. T24N R14E S36 45.37608 -114.67799 NAD 83 30 m. 25-75 plants estimated. Flowering N N 343 RM 859053 Irwin 2011 RM Asteraceae Arnica sororia Greene RM-153710 Joshua J. Irwin 4839 9 6 2011 U.S.A Idaho Lemhi Challis National Forest: Salmon River Mountains: Middle Fork Salmon River Trail between Cove and Camas creeks, 36.1 air mi NW of Challis. In xeric soil within shrub-steppe vegetation, 21 degree slope, ENE aspect, granodiorite geology. 3843 ft. T18N R15E S20 44.8861 -114.73082 NAD 83 30 m. 25-75 plants estimated. Flowering N N 344 RM 859283 Irwin 2011 RM Asteraceae Arnica sororia Greene RM-153740 Joshua J. Irwin 5080 15 6 2011 U.S.A Idaho Lemhi Salmon National Forest: Lemhi Range: McKim Creek just above the confluence with North Fork McKim Creek, 24.8 air mi NNE of Challis. In mesic soil within grassland vegetation, 10 degree slope, SE aspect, rhyodacite geology. 5588 ft. T17N R21E S15 44.80814 -113.95866 NAD 83 30 m. 25-75 plants estimated. Flowering and Fruiting N N 345 RM 859543 Irwin 2011 RM Asteraceae Arnica sororia Greene RM-153778 Joshua J. Irwin 5348 Craig Scott 22 6 2011 U.S.A Idaho Custer Challis National Forest: White Knob Mountains: first draw W of the confluence of Flower Garden and Cherry Creek, 12.0 air mi S of Mackay. 25-75 plants estimated in mesic soil within a forb dominated vegetation, 12 degree slope, S aspect, alluvial geology. 6551 ft. T5N R23E S24 43.74444 -113.66097 NAD 83 30 m. 25-75 plants estimated. Flowering and Fruiting N N 346 RM 860248 Irwin 2011 RM Asteraceae Arnica sororia Greene RM-153870 Joshua J. Irwin 6077 12 7 2011 U.S.A Idaho Lemhi Salmon National Forest: Lemhi Range: near Bear Valley Creek at the Wright Creek confluence, 20.7 air mi WNW of Leadore. Within shrub-steppe vegetation, 8 degree slope, SW aspect, quartzite geology. 6467 ft. T17N R23E S20 44.78339 -113.75364 NAD 83 30 m. Flowering and Fruiting N N 347 RM 860313 Irwin 2011 RM Asteraceae Arnica sororia Greene RM-153876 Joshua J. Irwin 6143 13 7 2011 U.S.A Idaho Lemhi Salmon 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. 75-150 plants estimated in mesic soil within shrub-steppe vegetation, 37 degree slope, SE aspect, till geology. 7804 ft. T15N R25E S34 44.58745 -113.46715 NAD 83 30 m. Flowering N N 348 RM 863351 Irwin 2010 RM Asteraceae Arnica sororia Greene RM-133464 Ronald L. Hartman 90302 25 7 2010 U.S.A. Idaho Lemhi Salmon National Forest: Beaverhead Mountains: Forest Road 187, Lewis and Clark Backcountry Byway, at Agency Creek, 1.5 air mi W of Lemhi Pass. Streamside with disturbed areas and adjacent Douglas fir forest and meadow. 5900 6500 ft. 44.973° N, 113.4818° W; NAD 83, , GPS reading T19N R26E S15 NE1/4 SW1/4 44.973 -113.4818 NAD 83 GPS reading Flowering N N 349 RM 863515 Irwin 2010 RM Asteraceae Arnica sororia Greene RM-133467 Ronald L. Hartman 90473 27 7 2010 U.S.A. Idaho Lemhi Salmon 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. Dry ridge and rock outcrop. 7800 ft. 44.7677° N, 113.6607° W; NAD 83, , GPS reading T17N R23E S25 SE1/4 SE1/4 44.7677 -113.6607 NAD 83 GPS reading Flowering N N 350 RM 863658 Irwin 2010 RM Asteraceae Arnica sororia Greene RM-133470 Ronald L. Hartman 90626 29 7 2010 U.S.A. Idaho Lemhi Salmon National Forest: Beaverhead Mountains: between Morgan Mountain and Eagle Mountain. Ridgetop and edge of Douglas fir forest. 45.511° N, 113.834° W; NAD 83, , GPS reading T25N R21E S10 E1/4 45.511 -113.834 NAD 83 GPS reading Flowering N N 351 RM 865544 Irwin 2011 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene
Annotated by Joshua J. Irwin. RM-155167 Ronald L. Hartman 91627 Joshua J. Irwin, Emma E. Stewart 15 6 2011 U.S.A. Idaho Lemhi Salmon National Forest: Lemhi Range: lower Cow Creek, 4.5 air mi NE of Ellis. On lower steep slope, often in shrubs or on rubble. 4780 4900 ft. 44° 44.402' N, 113° 59.475' W to 44° 44.577' N, 113° 58.711' W; NAD 83, , GPS reading T16N R21E S4 South1/2 44.740033 -113.99125 NAD 83 GPS reading N 352 RM 867340 Stewart 2013 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene. RM-153184 Emma E. Freeland 5584 15 6 2013 U.S.A. Montana Madison Madison 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. Grassland used as a parking area. 6350 ft. 45.1748° N, 111.5586° W to 45.1754° N, 111.557° W; NAD 83, , GPS reading T7S R1E S35 SE1/4 45.1748 -111.5586 NAD 83 GPS reading Flowering N 353 RM 867481 Stewart 2013 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene. RM-153225 Emma E. Freeland 5725 18 6 2013 U.S.A. Montana Madison Tobacco Root Mountains: Harris Creek, ca 14-15 air mi WNW of Ennis, ca 6 air mi SW of South Baldy Mountain. Sagebrush grasslands. 6460 6600 ft. 45.4104° N, 112.0197° W to 45.4121° N, 112.0201° W; NAD 83, , GPS reading T5S R3W S7 45.4104 -112.0197 NAD 83 GPS reading Flowering N 354 RM 867572 Stewart 2013 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene. RM-153239 Emma E. Freeland 5815 19 6 2013 U.S.A. Montana Madison Snowcrest Range: Ledford Creek, ca 16-18 air mi S of Ruby River Reservoir, ca 30 air mi SE of Dillon. Mixed coniferous woodland in a drainage bottom. 6800 6820 ft. 44.9509° N, 112.1162° W to 44.9524° N, 112.1183° W; NAD 83, , GPS reading T10S R4W S20 NE1/4 44.9509 -112.1162 NAD 83 GPS reading Flowering N 355 RM 867909 Stewart 2013 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene. RM-153316 Emma E. Freeland 6152 24 6 2013 U.S.A. Montana Beaverhead Western Centennial Mountains: Bean Creek, ca 3 air mi N of Idaho, ca 10 air mi W of Lakeview. Sagebrush grasslands. 6900 7040 ft. 44.5811° N, 112.0237° W to 44.5806° N, 112.0255° W; NAD 83, , GPS reading T14S R3W S30 44.5811 -112.0237 NAD 83 GPS reading Flowering N 356 RM 868101 Stewart 2013 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene. RM-153343 Emma E. Freeland 6344 28 6 2013 U.S.A. Montana Madison Tobacco Root Mountains: Mill Creek, ca 19 air mi W of South Baldy Mountain, ca 18 air mi NW of Ennis. Open mixed conifer woodland near a campground. 6530 ft. 45.478° N, 112.0666° W to 45.4784° N, 112.0692° W; NAD 83, , GPS reading T4S R4W S23 NW1/4 NW1/4 45.478 -112.0666 NAD 83 GPS reading Flowering N 357 RM 868211 Stewart 2013 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene. RM-153364 Emma E. Freeland 6469 29 6 2013 U.S.A. Montana Madison Tobacco 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. Grasslands on gentle slopes. 5870 5910 ft. 45.7082° N, 112.0881° W to 45.7087° N, 112.0866° W; NAD 83, , GPS reading T1S R4W S34 45.7082 -112.0881 NAD 83 GPS reading Flowering N 358 RM 868465 Stewart 2013 RM Asteraceae Arnica sororia Greene 1. Arnica sororia Greene. RM-153538 Emma E. Freeland 6725 6 7 2013 U.S.A. Montana Madison Madison 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. Open mixed coniferous forest. 8530 ft. 45.3962° N, 111.5457° W; NAD 83, , GPS reading T5S R1E S13 South1/2 45.3962 -111.5457 NAD 83 GPS reading Flowering N 359 RM 872562 WY Black Hills RM 111132 Asteraceae Arnica sororia Greene 3. Arnica sororia Greene
Annotated by Steven Downie on 7//1985. RM-110197 Herman E. Hayward 2127 14 7 1927 U.S.A. Wyoming Crook Inyan Kara Creek, 17 mi S of Sundance. Foothills; grass association; xerophytic. 5220 ft. 44.1979° N, 104.2644° W; uncertainty 1 mi. T49N R62W S26 44.1979 -104.2644 1 mi. Y Y Nat. Geog. TOPO! Flowering and Fruiting N N 360 RM 91748 Refsdal 1995 RM 633691 RM0265516 Asteraceae Arnica sororia Greene RM-13788 C. H. Refsdal 5177 B. E. Nelson 10 7 1995 U.S.A. Wyoming Lincoln Basins 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. Seeps, meadow. 7400 7760 ft. 41.7675° N, 110.8375° W; uncertainty 1 mi. T21N R118W S29 N1/2 41.7675 -110.8375 1 mi. Flowering and Fruiting N RM0265516 N 361 RM 919784 Heidel 2018 RM 981997 RM0251840 Asteraceae Arnica sororia Greene RM-455731 Bonnie Heidel 4500 24 5 2018 U.S.A. Wyoming Sweetwater Great 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. Ravine slopes, northeast aspect, silt; with Artemisia tridentata ssp. vaseyana, Symphyotrichum spp., Delphinium biocolor. 7360 ft. 42.2581° N, 108.8968° W; WGS 84, , GPS reading T25N R101W S5 SW1/4 NE1/4 42.2581 -108.8968 WGS 84 N N GPS reading Flowering N RM0251840 N 362 RM 923501 Freeland 2019 RM 1000150 RM0274977 Asteraceae Arnica sororia Greene RM-457310 Shannen M. Cashman WYO050207 2 7 2019 U.S.A. Wyoming Fremont Foothills of Wind River Range: Weiser Knoll. Located 12.6 miles southeast of Lander, WY and 2.2 air miles northwest of Commissary Hill. Sagebrush grasslands. Soil: Loam. 6025 ft. T31N R99W S12 SW 1/4 Flowering N RM0274977 N