| canada | alberta | arnica fulgens | species | 2 | 0 |
| canada | alberta | arnica gracilis | species | 2 | 0 |
| canada | alberta | arnica louiseana | species | 4 | 0 |
| canada | alberta | arnica ovata | species | 2 | 0 |
| canada | alberta | arnica rydbergii | species | 9 | 0 |
| canada | british columbia | anisocarpus madioides | species | 6 | 0 |
| canada | british columbia | arnica amplexicaulis | species | 2 | 0 |
| canada | british columbia | arnica chamissonis | species | 2 | 0 |
| canada | british columbia | arnica cordifolia | species | 2 | 0 |
| canada | british columbia | arnica fulgens | species | 2 | 0 |
| canada | british columbia | arnica lanceolata | species | 1 | 0 |
| canada | british columbia | arnica lanceolata subsp. prima | subspecies | 2 | 0 |
| canada | british columbia | arnica latifolia | species | 2 | 0 |
| canada | british columbia | arnica mollis | species | 8 | 0 |
| canada | british columbia | arnica nevadensis | species | 1 | 0 |
| canada | british columbia | arnica sororia | species | 4 | 0 |
| canada | british columbia | eriophyllum lanatum | species | 5 | 0 |
| canada | british columbia | hemizonella minima | species | 3 | 0 |
| canada | british columbia | madia exigua | species | 2 | 0 |
| canada | british columbia | madia glomerata | species | 2 | 0 |
| canada | british columbia | madia gracilis | species | 6 | 0 |
| canada | british columbia | madia sativa | species | 4 | 0 |
| canada | northwest territories | arnica angustifolia subsp. angustifolia | subspecies | 11 | 0 |
| canada | northwest territories | arnica griscomii subsp. frigida | subspecies | 6 | 0 |
| canada | nunavut | arnica angustifolia subsp. angustifolia | subspecies | 8 | 0 |
| canada | quebec | arnica lanceolata | species | 4 | 0 |
| canada | quebec | arnica mollis | species | 4 | 0 |
| canada | quebec | madia sativa | species | 2 | 0 |
| canada | yukon | arnica angustifolia | species | 8 | 0 |
| canada | yukon | arnica chamissonis | species | 8 | 0 |
| canada | yukon | arnica cordifolia | species | 8 | 0 |
| canada | yukon | arnica diversifolia | species | 3 | 0 |
| canada | yukon | arnica griscomii | species | 2 | 0 |
| canada | yukon | arnica latifolia | species | 4 | 0 |
| canada | yukon | arnica lessingii | species | 3 | 0 |
| canada | yukon | arnica lonchophylla | species | 7 | 0 |
| germany | | arnica montana | species | 1 | 0 |
| greenland | | arnica angustifolia | species | 6 | 0 |
| japan | gunma prefecture | arnica unalaschcensis | species | 2 | 0 |
| japan | hokkaido prefecture | arnica unalaschcensis | species | 2 | 0 |
| japan | iwate prefecture | arnica unalaschcensis | species | 2 | 0 |
| japan | kyoto prefecture | arnica mallotopus | species | 15 | 0 |
| japan | nagano prefecture | arnica unalaschcensis | species | 2 | 0 |
| japan | toyama prefecture | arnica unalaschcensis | species | 1 | 0 |
| japan | yamagata prefecture | arnica unalaschcensis | species | 2 | 0 |
| mexico | baja california | adenothamnus validus | species | 5 | 0 |
| united states | | madia sp. 1163 | species | 4 | 0 |
| united states | alaska | arnica griscomii | species | 3 | 0 |
| united states | alaska | arnica lessingii | species | 3 | 0 |
| united states | alaska | madia glomerata | species | 1 | 0 |
| united states | arizona | layia glandulosa | species | 1 | 0 |
| united states | california | achyrachaena mollis | species | 3 | 0 |
| united states | california | anisocarpus madioides | species | 5 | 0 |
| united states | california | anisocarpus scabridus | species | 5 | 0 |
| united states | california | arnica mollis | species | 4 | 0 |
| united states | california | blepharipappus scaber | species | 3 | 0 |
| united states | california | calycadenia multiglandulosa | species | 2 | 0 |
| united states | california | carlquistia muirii | species | 5 | 0 |
| united states | california | centromadia pungens subsp. pungens | subspecies | 6 | 0 |
| united states | california | deinandra clementina | species | 13 | 0 |
| united states | california | deinandra conjugens | species | 4 | 0 |
| united states | california | deinandra fasciculata | species | 2 | 0 |
| united states | california | deinandra halliana | species | 5 | 0 |
| united states | california | deinandra kelloggii | species | 2 | 0 |
| united states | california | deinandra paniculata | species | 4 | 0 |
| united states | california | hemizonia congesta | species | 3 | 0 |
| united states | california | holocarpha heermannii | species | 3 | 0 |
| united states | california | holocarpha virgata subsp. elongata | subspecies | 3 | 0 |
| united states | california | holozonia filipes | species | 3 | 0 |
| united states | california | hulsea algida | species | 5 | 0 |
| united states | california | kyhosia bolanderi | species | 5 | 0 |
| united states | california | lagophylla glandulosa | species | 2 | 0 |
| united states | california | lasthenia californica subsp. macrantha | subspecies | 3 | 0 |
| united states | california | lasthenia fremontii | species | 13 | 0 |
| united states | california | layia carnosa | species | 1 | 0 |
| united states | california | layia chrysanthemoides | species | 2 | 0 |
| united states | california | layia discoidea | species | 6 | 0 |
| united states | california | layia gaillardioides | species | 1 | 0 |
| united states | california | layia glandulosa | species | 30 | 0 |
| united states | california | layia heterotricha | species | 1 | 0 |
| united states | california | layia pentachaeta subsp. albida | subspecies | 1 | 0 |
| united states | california | layia pentachaeta subsp. pentachaeta | subspecies | 2 | 0 |
| united states | california | layia septentrionalis | species | 3 | 0 |
| united states | california | raillardella pringlei | species | 5 | 0 |
| united states | hawaii | argyroxiphium caliginis | species | 5 | 0 |
| united states | hawaii | argyroxiphium grayanum | species | 10 | 0 |
| united states | hawaii | argyroxiphium kauense | species | 11 | 0 |
| united states | hawaii | argyroxiphium sandwicense subsp. macrocephalum | subspecies | 5 | 0 |
| united states | hawaii | argyroxiphium sandwicense subsp. sandwicense | subspecies | 5 | 0 |
| united states | hawaii | dubautia arborea | species | 19 | 0 |
| united states | hawaii | dubautia ciliolata subsp. ciliolata | subspecies | 11 | 0 |
| united states | hawaii | dubautia ciliolata subsp. glutinosa | subspecies | 13 | 0 |
| united states | hawaii | dubautia herbstobatae | species | 11 | 0 |
| united states | hawaii | dubautia imbricata subsp. imbricata | subspecies | 20 | 0 |
| united states | hawaii | dubautia knudsenii subsp. filiformis | subspecies | 17 | 0 |
| united states | hawaii | dubautia knudsenii subsp. knudsenii | subspecies | 22 | 0 |
| united states | hawaii | dubautia knudsenii subsp. nagatae | subspecies | 19 | 0 |
| united states | hawaii | dubautia laevigata | species | 22 | 0 |
| united states | hawaii | dubautia latifolia | species | 23 | 0 |
| united states | hawaii | dubautia laxa subsp. bryanii | subspecies | 16 | 0 |
| united states | hawaii | dubautia laxa subsp. hirsuta | subspecies | 67 | 0 |
| united states | hawaii | dubautia laxa subsp. laxa | subspecies | 72 | 0 |
| united states | hawaii | dubautia laxa subsp. pseudoplantaginea | subspecies | 12 | 0 |
| united states | hawaii | dubautia linearis subsp. hillebrandii | subspecies | 15 | 0 |
| united states | hawaii | dubautia linearis subsp. linearis | subspecies | 19 | 0 |
| united states | hawaii | dubautia menziesii | species | 21 | 0 |
| united states | hawaii | dubautia microcephala | species | 29 | 0 |
| united states | hawaii | dubautia paleata | species | 47 | 0 |
| united states | hawaii | dubautia pauciflorula | species | 14 | 0 |
| united states | hawaii | dubautia plantaginea subsp. humilis | subspecies | 5 | 0 |
| united states | hawaii | dubautia plantaginea subsp. plantaginea | subspecies | 121 | 0 |
| united states | hawaii | dubautia platyphylla | species | 15 | 0 |
| united states | hawaii | dubautia raillardioides | species | 23 | 0 |
| united states | hawaii | dubautia reticulata | species | 12 | 0 |
| united states | hawaii | dubautia scabra subsp. leiophylla | subspecies | 65 | 0 |
| united states | hawaii | dubautia scabra subsp. scabra | subspecies | 49 | 0 |
| united states | hawaii | dubautia sherffiana | species | 15 | 0 |
| united states | hawaii | dubautia waianapanapaensis | species | 6 | 0 |
| united states | hawaii | wilkesia gymnoxiphium | species | 13 | 0 |
| united states | hawaii | wilkesia hobdyi | species | 5 | 0 |
| united states | idaho | arnica chamissonis | species | 4 | 0 |
| united states | idaho | arnica latifolia | species | 16 | 0 |
| united states | idaho | arnica mollis | species | 2 | 0 |
| united states | idaho | arnica parryi | species | 4 | 0 |
| united states | idaho | hulsea algida | species | 27 | 0 |
| united states | oregon | arnica longifolia | species | 2 | 0 |
| united states | oregon | arnica parryi | species | 2 | 0 |
| united states | oregon | lasthenia glaberrima | species | 2 | 0 |
| united states | washington | layia glandulosa | species | 1 | 0 |
| united states | wyoming | arnica longifolia | species | 2 | 0 |
| united states | wyoming | arnica sororia | species | 2 | 0 |