| 0 | PI 142581 | | Arnica chamissonis Less. | Alaska, United States | | | Historic | 1941 | COLLECTED | | | | | | | | 1867960 | PI 142581 |
| 1 | PI 142582 | | Arnica latifolia Bong. | Alaska, United States | | | Historic | 1941 | COLLECTED | | | | | | | | 1867961 | PI 142582 |
| 2 | PI 142583 | | Arnica lessingii (Torr. & A. Gray) Greene | Alaska, United States | | | Historic | 1941 | COLLECTED | | | | | | | | 1867963 | PI 142583 |
| 3 | PI 103866 | | Arnica unalaschcensis Less. | Japan | | | Historic | 1933 | COLLECTED | | | | | | | | 1792173 | PI 103866 |
| 4 | PI 95401 | 'Mountain dandelion' | Arnica sp. | Alaska, United States | | | Historic | 1931 | COLLECTED | | Sitkalidak Island | | | | | | 1781729 | PI 95401 |
| 5 | PI 35474 | | Arnica montana L. | England, United Kingdom | | | Historic | 1913 | COLLECTED | | | | | | | | 1515699 | PI 35474 |
| 6 | PI 35475 | | Arnica sachalinensis (Regel) A. Gray | England, United Kingdom | | | Historic | 1913 | COLLECTED | | | | | | | | 1600762 | PI 35475 |
| 7 | PI 20883 | | Arnica montana L. | District of Columbia, United States | | | Historic | 1907 | COLLECTED | | | | | | | | 1533023 | PI 20883 |
| 8 | PI 8531 | | Arnica montana L. | New York, United States | | | Historic | 1902 | COLLECTED | | | | | | | | 1547701 | PI 8531 |
| 9 | W6 62396 | AK930A-10 | Arnica griscomii Fernald subsp. frigida (C. A. Mey. ex Iljin) S. J. Wolf | Alaska, United States | W6 | | | 2025 | | | | | | | Wild material | Most plants have lost petals but seeds holding on | 2172750 | W6 62396 |
| 10 | W6 62397 | AK930A-11 | Arnica griscomii Fernald subsp. frigida (C. A. Mey. ex Iljin) S. J. Wolf | Alaska, United States | W6 | | | 2025 | | | | | | | Wild material | Most plants have lost petals but seeds holding on | 2172751 | W6 62397 |
| 11 | W6 62398 | AK930A-12 | Arnica griscomii Fernald subsp. frigida (C. A. Mey. ex Iljin) S. J. Wolf | Alaska, United States | W6 | | | 2025 | | | | | | | Wild material | Most plants have lost petals but seeds holding on Pay attention to this area High winds are potential for early dispersal | 2172752 | W6 62398 |
| 12 | OPGC 8607 | FS0417-18 | Arnica chamissonis Less. | Nevada, United States | OPGC |  | | 2022 | | | | | | | Wild material | Most plants in population done flowering (~90% done). Green, lightly fuzzy leaves and stems. Leaves opposite and alternate with a deep midvein. Usually 1-4 flowers per plant. | 2138336 | OPGC 8607 |
| 13 | OPGC 8656 | WY050-230 | Arnica fulgens Pursh | Wyoming, United States | OPGC |  | | 2022 | | | | | | | Wild material | | 2138535 | OPGC 8656 |
| 14 | OPGC 8134 | WY050-207 | Arnica sororia Greene | Wyoming, United States | OPGC | | | 2020 | | | | | | | Wild material | | 2110446 | OPGC 8134 |
| 15 | OPGC 8030 | MT050-18 | Arnica chamissonis Less. | Montana, United States | OPGC | | Not Available | 2020 | | | | | | | Wild material | | 2106476 | OPGC 8030 |
| 16 | OPGC 6750 | OR050-262 | Arnica chamissonis Less. | Oregon, United States | OPGC |  | Not Available | 2018 | | | | | | | Wild material | Arnica chamissonis ssp. foliosa var. incana | 1967931 | OPGC 6750 |
| 17 | OPGC 6560 | NV020-25 | Arnica sororia Greene | Nevada, United States | OPGC |  | Not Available | 2018 | | | | | | | Wild material | Arnica sororia | 1964923 | OPGC 6560 |
| 18 | OPGC 6453 | MT050-34 | Arnica cordifolia Hook. | Montana, United States | OPGC | | Not Available | 2018 | | | | | | | Wild material | | 1958170 | OPGC 6453 |
| 19 | OPGC 6378 | CBG-6894 | Arnica fulgens Pursh | Colorado, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1954758 | OPGC 6378 |
| 20 | OPGC 6351 | OR030-499 | Arnica sororia Greene | Oregon, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1949810 | OPGC 6351 |
| 21 | OPGC 6289 | OR931-189 | Arnica mollis Hook. | Oregon, United States | OPGC | | | 2017 | | | | | | | Wild material | | 1947343 | OPGC 6289 |
| 22 | OPGC 6252 | OR135-6 | Arnica sororia Greene | Washington, United States | OPGC | | Not Available | 2017 | | | | | | | Wild material | | 1943650 | OPGC 6252 |
| 23 | OPGC 5044 | OR931-150 | Arnica mollis Hook. | Oregon, United States | OPGC |  | Not Available | 2015 | COLLECTED | 08/16/2014 | | | 2495 | | Wild material | | 1927108 | OPGC 5044 |
| 24 | OPGC 5019 | UT933-365 | Arnica cordifolia Hook. | Utah, United States | OPGC |  | Not Available | 2015 | COLLECTED | 07/02/2014 | | | 2904 | | Wild material | | 1926645 | OPGC 5019 |
| 25 | OPGC 4944 | ARLA8-SOS-OR110-504-JACKSON-12 | Arnica latifolia Bong. | Oregon, United States | OPGC |  | | 2014 | COLLECTED | 2012 | | | | | Wild material | | 1921942 | OPGC 4944 |
| 26 | OPGC 4919 | ARSO2-SOS-UT933-328-SANPETE-13 | Arnica sororia Greene | Utah, United States | OPGC |  | Not Available | 2014 | COLLECTED | 2013 | | | | | Wild material | | 1921433 | OPGC 4919 |
| 27 | OPGC 4904 | ARMO4-SOS-NV030-729-DOUGLAS-12 | Arnica mollis Hook. | Nevada, United States | OPGC |  | Not Available | 2014 | COLLECTED | 2012 | | | | | Wild material | | 1920507 | OPGC 4904 |
| 28 | OPGC 4905 | ARMO4-SOS-NV030-730-DOUGLAS-12 | Arnica mollis Hook. | Nevada, United States | OPGC |  | Not Available | 2014 | COLLECTED | 2012 | | | | | Wild material | | 1920508 | OPGC 4905 |
| 29 | OPGC 4859 | ARMO4-SOS-UT931-561-SALTLAKE-12 | Arnica mollis Hook. | Utah, United States | OPGC |  | Not Available | 2014 | COLLECTED | 2012 | | | | . | Wild material | | 1916800 | OPGC 4859 |
| 30 | OPGC 4838 | ARSO2-SOS-OR020-1209-HARNEY-12 | Arnica sororia Greene | Oregon, United States | OPGC | | Not Available | 2013 | COLLECTED | 2012 | | | | . | Wild material | | 1914331 | OPGC 4838 |
| 31 | OPGC 4806 | ARCO9-SOS-WY932A-40-ALBANY-12 | Arnica cordifolia Hook. | United States | OPGC |  | Not Available | 2013 | COLLECTED | 2012 | | | | | Wild material | | 1911205 | OPGC 4806 |
| 32 | OPGC 4807 | ARMO4-SOS-WY932A-64-ALBANY-12 | Arnica mollis Hook. | United States | OPGC |  | Not Available | 2013 | COLLECTED | 2012 | | | | | Wild material | | 1911210 | OPGC 4807 |
| 33 | OPGC 4711 | ARLA8-SOS-OR110-370-11 | Arnica latifolia Bong. | Oregon, United States | OPGC | | Not Available | 2012 | COLLECTED | 2011 | | | | | Wild material | | 1905656 | OPGC 4711 |
| 34 | OPGC 4639 | AK930-256 | Arnica lessingii (Torr. & A. Gray) Greene | Alaska, United States | OPGC |  | Not Available | 2012 | COLLECTED | 08/30/2010 | | | 121 | Soil type: sand - dark brown | Wild material | | 1900475 | OPGC 4639 |
| 35 | OPGC 4577 | ARMO4-SOS-UT931-414-10 | Arnica mollis Hook. | Utah, United States | OPGC |  | Not Available | 2012 | COLLECTED | 2010 | | | | | Wild material | | 1898309 | OPGC 4577 |
| 36 | OPGC 4608 | ARSO2-SOS-WY070-10-11 | Arnica sororia Greene | Wyoming, United States | OPGC |  | Not Available | 2012 | COLLECTED | 2010 | | | | | Wild material | | 1898542 | OPGC 4608 |
| 37 | OPGC 4510 | ARFU3-SOS-CO932-203-10 | Arnica fulgens Pursh | Colorado, United States | OPGC |  | Not Available | 2011 | COLLECTED | PRE 11/30/2011 | | | | | Wild material | | 1893370 | OPGC 4510 |
| 38 | OPGC 4484 | ARCO9-SOS-OR930-RC86-10 | Arnica cordifolia Hook. | Washington, United States | OPGC |  | Not Available | 2011 | COLLECTED | PRE 2011 | | | | | Wild material | | 1868697 | OPGC 4484 |
| 39 | OPGC 4485 | ARSO2-SOS-OR020-114-10 | Arnica sororia Greene | Oregon, United States | OPGC |  | Not Available | 2011 | COLLECTED | PRE 2011 | | | | | Wild material | | 1868698 | OPGC 4485 |
| 40 | OPGC 4486 | ARVI6-SOS-OR110-170-10 | Arnica viscosa A. Gray | Oregon, United States | OPGC |  | Not Available | 2011 | COLLECTED | PRE 2011 | | | | | Wild material | | 1868925 | OPGC 4486 |
| 41 | OPGC 4430 | ARPAS2-SOS-NV030-286-09 | Arnica parryi A. Gray | Nevada, United States | OPGC |  | Not Available | 2010 | COLLECTED | NEAR 2009 | | | | | Wild material | | 1833728 | OPGC 4430 |
| 42 | OPGC 4418 | 404572 | Arnica lanceolata Nutt. subsp. prima (Maguire) Strother & S. J. Wolf | United States | OPGC |  | Not Available | 2009 | COLLECTED | 09/23/2007 | | | 15 | Moist hillside, Steep and slick, most of population cannot be reached without causing damage. Associated with grasses. | Wild material | | 1826989 | OPGC 4418 |
| 43 | OPGC 4419 | 404583 | Arnica lanceolata Nutt. subsp. prima (Maguire) Strother & S. J. Wolf | Oregon, United States | OPGC |  | Not Available | 2009 | COLLECTED | 09/23/2007 | | | 46 | Moist hillside, steep slopes & cliffs. Associated with grasses. | Wild material | | 1826990 | OPGC 4419 |
| 44 | OPGC 4408 | OR930-RC51 | Arnica latifolia Bong. | Washington, United States | OPGC |  | Not Available | 2009 | COLLECTED | 09/12/2008 | | | | moist forest | Wild material | Height 2 feet. | 1808210 | OPGC 4408 |
| 45 | OPGC 4409 | OR930-RC52 | Arnica latifolia Bong. | Washington, United States | OPGC |  | Not Available | 2009 | COLLECTED | 09/11/2008 | | | | moist forest | Wild material | herbaceous forb Height 2 feet. | 1808211 | OPGC 4409 |
| 46 | OPGC 4383 | 342225 | Arnica latifolia Bong. | Washington, United States | OPGC |  | | 2008 | COLLECTED | 09/01/2006 | | | 1324 | Slope: 15-30 Aspect: WNW, Land form: Mountain. Grazed. | Wild material | | 1780126 | OPGC 4383 |
| 47 | OPGC 4378 | ARCO9-SOSUT-930-BEND44-05 | Arnica cordifolia Hook. | Utah, United States | OPGC |  | Not Available | 2007 | COLLECTED | PRE 10/26/2007 | | | | | Wild material | | 1740470 | OPGC 4378 |
| 48 | OPGC 4362 | 271907 | Arnica latifolia Bong. | Oregon, United States | OPGC |  | Not Available | 2007 | COLLECTED | 08/18/2005 | | | 1799 | | Wild material | Forb, Height about: 0.3 m | 1727172 | OPGC 4362 |
| 49 | NSL 466536 | NSL 466536 | Arnica montana L. | United States | NLGRP | | Not Available | 2005 | COLLECTED | 09/04/2002 | | | | | | | 1829286 | NSL 466536 |
| 50 | OPGC 4273 | 176231 | Arnica chamissonis Less. | California, United States | OPGC |  | Not Available | 2005 | COLLECTED | 08/21/2002 | | | 1958 | Dry creek. Associated with Juniperus occidentalis, Wyethia mollis, Artemisia arbuscula, Eriogonum nudum, Aquilegia formosa. | Wild material | Forb 0.3-0.75 meters tall. | 1673961 | OPGC 4273 |
| 51 | OPGC 4275 | 176965 | Arnica lessingii (Torr. & A. Gray) Greene | Alaska, United States | OPGC |  | Not Available | 2005 | COLLECTED | 08/25/2002 | | | 1310 | Alpine meadow at a glacier bowl with pond. Associated with Chamerion latifolium, Dryas octopetala, Anemone parviflora, Eriophorum sp., lichen, Salix rotundifolia. | Wild material | Forb 0.15 meters tall. | 1673982 | OPGC 4275 |
| 52 | OPGC 4277 | 177010 | Arnica longifolia D. C. Eaton | Utah, United States | OPGC |  | Not Available | 2005 | COLLECTED | 08/31/2002 | | | 3138 | Subalpine meadow (wet) spruce-fir community. Associated with Dodecatheon redolens, Saxifraga odontoloma, Acotinum columbianum, Carex sp., Achillea millefolium. | Wild material | Forb .45 meters tall. | 1673987 | OPGC 4277 |
| 53 | OPGC 4280 | 177696 | Arnica cordifolia Hook. | Oregon, United States | OPGC |  | Not Available | 2005 | COLLECTED | 06/24/2002 | | | 1462 | Riparian area with forest overstory. Associated with Aquilegia formosa, Geranium viscosissimum, Potentilla. | Wild material | Forb 0.6 meters tall. | 1674025 | OPGC 4280 |
| 54 | OPGC 4287 | 195443 | Arnica sororia Greene | United States | OPGC |  | Not Available | 2005 | COLLECTED | 07/09/2003 | | | 613 | Associated with Ponderosa sp, Geum triflorum, Achillea millefolium, Festuca idahoensis, Bromus japonicus, Gaillardia aristata, Lupinus sericeus and Ventenata dubia. | Wild material | Forb 0.3-0.6 meters tall. | 1674162 | OPGC 4287 |
| 55 | OPGC 4289 | 196716 | Arnica sororia Greene | Oregon, United States | OPGC |  | Not Available | 2005 | COLLECTED | 07/22/2003 | | | 1366 | Open canopy Pinus ponderosa forest near prairie edge with minor Juniperus occidentalis understory. Sparse shrub component of Ribes cereum and Artemisia tridentata. Associated with Poa secunda, Achillea millefolium, Potentilla | Wild material | Forb 0.3-0.6 meters tall. | 1674203 | OPGC 4289 |
| 56 | AG 16 | AG 16 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 10/16/1999 | | 52.88027778, 173.19388889 | 1260 | | Wild material | | 1601142 | AG 16 |
| 57 | AG 281 | AG 281 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/16/1997 | | 51.90194444, -176.67027778 | | | Wild material | | 1601030 | AG 281 |
| 58 | AG 282 | AG 282 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/14/1997 | | 51.99972222, -176.61611111 | | | Wild material | | 1601035 | AG 282 |
| 59 | AG 283 | AG 283 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/13/2000 | | 51.81777778, -176.63500000 | | | Wild material | | 1601036 | AG 283 |
| 60 | AG 284 | AG 284 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/17/1997 | | 51.92027778, -176.64777778 | | | Wild material | | 1601037 | AG 284 |
| 61 | AG 285 | AG 285 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/13/1997 | | 51.87527778, -176.70444444 | | | Wild material | | 1601038 | AG 285 |
| 62 | AG 287 | AG 287 | Arnica sp. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/13/1997 | | | | | Wild material | | 1601043 | AG 287 |
| 63 | AG 288 | AG 288 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/13/1997 | | 51.87444444, -176.70777778 | | | Wild material | | 1601041 | AG 288 |
| 64 | AG 289 | AG 289 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/17/1997 | | 51.84444444, -176.62972222 | | | Wild material | | 1601042 | AG 289 |
| 65 | AG 290 | AG 290 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/17/1997 | | 51.91694444, -176.64638889 | | | Wild material | | 1601044 | AG 290 |
| 66 | AG 291 | AG 291 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/12/1997 | | 51.87111111, -176.71666667 | | | Wild material | | 1601045 | AG 291 |
| 67 | AG 293 | AG 293 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 09/11/1997 | | 51.84638889, -176.66027778 | | | Wild material | | 1601047 | AG 293 |
| 68 | SARU 10 | SARU 010 | Arnica griscomii Fernald subsp. frigida (C. A. Mey. ex Iljin) S. J. Wolf | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 10/1993 | Adak Island Alaska USA | 51.89305556, -176.68500000 | | | Wild material | | 1601028 | SARU 10 |
| 69 | SARU 11 | SARU 011 | Arnica griscomii Fernald subsp. frigida (C. A. Mey. ex Iljin) S. J. Wolf | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 10/1993 | Adak Island Alaska USA | 51.84277778, -176.67000000 | 300 | | Wild material | | 1601029 | SARU 11 |
| 70 | SARU 12 | SARU 012 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2004 | COLLECTED | NEAR 10/1999 | Attu Island, Alaska USA | 0.00000000, 0.00000000 | | | Wild material | | 1601307 | SARU 12 |
| 71 | W6 38928 | AG 286 | Arnica unalaschcensis Less. | Alaska, United States | W6 |  | Not Available | 2004 | COLLECTED | NEAR 09/12/1997 | Alaska | 51.93638889, -176.58333333 | | | Wild material | | 1601039 | W6 38928 |
| 72 | W6 38929 | AG 292 | Arnica unalaschcensis Less. | Alaska, United States | W6 |  | Not Available | 2004 | COLLECTED | NEAR 09/11/1997 | Adak, Island Alaska USA | 51.84611111, -176.66000000 | 15 | | Wild material | | 1601046 | W6 38929 |
| 73 | SARU 17 | SARU 017 | Arnica unalaschcensis Less. | Alaska, United States | | | Historic | 2000 | COLLECTED | NEAR 1997 | Adak Island Alaska | 51.87666667, -176.71250000 | | | Wild material | | 1601049 | SARU 17 |