All Species in Arnica
- Alaska Arnica (Arnica unalaschcensis)
- Arnica alpina (Arnica alpina)
- Arnica angustifolia subsp. alpina (Arnica angustifolia subsp. alpina)
- Arnica angustifolia subsp. angustifolia (Arnica angustifolia subsp. angustifolia)
- Arnica angustifolia subsp. iljinii (Arnica angustifolia subsp. iljinii)
- Arnica angustifolia subsp. tomentosa (Arnica angustifolia subsp. tomentosa)
- Arnica griscomii (Arnica griscomii)
- Arnica griscomii subsp. griscomii (Arnica griscomii subsp. griscomii)
- Arnica intermedia (Arnica intermedia)
- Arnica lanceolata subsp. lanceolata (Arnica lanceolata subsp. lanceolata)
- Arnica mallotopus (Arnica mallotopus)
- Arnica montana subsp. atlantica (Arnica montana subsp. atlantica)
- Arnica montana subsp. montana (Arnica montana subsp. montana)
- Arnica porsildiorum (Arnica porsildiorum)
- Arnica sachalinensis (Arnica sachalinensis)
- Broadleaf Arnica (Arnica latifolia)
- Chamisso Arnica (Arnica chamissonis)
- Clasping Arnica (Arnica lanceolata subsp. prima)
- Common Leopardbane (Arnica acaulis)
- Foothill Arnica (Arnica fulgens)
- Hairy Arnica (Arnica mollis)
- Heartleaf Arnica (Arnica cordifolia)
- Klamath Arnica (Arnica spathulata)
- Lake Louise Arnica (Arnica louiseana)
- Lanceleaf Arnica (Arnica lanceolata)
- Longleaf Arnica (Arnica lonchophylla)
- Mock Leopardbane (Arnica dealbata)
- Mountain Arnica (Arnica montana)
- Mt. Shasta Arnica (Arnica viscosa)
- Narrowleaf Arnica (Arnica angustifolia)
- Nevada Arnica (Arnica nevadensis)
- Nodding Arnica (Arnica lessingii)
- Parry's Arnica (Arnica parryi)
- Rayless Arnica (Arnica discoidea)
- Rayless Arnica (Arnica ovata)
- Rydberg's Arnica (Arnica rydbergii)
- Serpentine Arnica (Arnica cernua)
- Shasta County Arnica (Arnica venosa)
- Smallhead Arnica (Arnica gracilis)
- Snow Arnica (Arnica griscomii subsp. frigida)
- Spearleaf Arnica (Arnica longifolia)
- Sticky Leaf Arnica (Arnica ovata)
- Twin Arnica (Arnica sororia)