Arnica exigua A.Nelson
Arnica greenei A.Nelson
Arnica lanulosa Greene
Arnica foliosa var. incana A.Gray
Arnica foliosa var. bernardina (Greene) Jeps.
Arnica cana Greene
Arnica chamissonis var. bernardina (Greene) Jeps. ex Maguire
Arnica foliosa Nutt.
Arnica maguirei A.Nelson
Arnica bruceae Rydb.
Arnica bernardina Greene
Arnica wilsonii Rydb.
Arnica rubricaulis Greene
Arnica chamissonis var. jepsoniana Maguire
Arnica chamissonis var. maguirei (A.Nelson) Maguire
Arnica chamissonis var. foliosa (Nutt.)
Arnica chamissonis var. interior Maguire
Arnica rhizomata A.Nelson
Arnica chamissonis var. longinodosa A.Nelson
Arnica chamissonis subsp. genuina Maguire
Arnica chamissonis f. incana (A.Gray) B.Boivin
Arnica chamissonis subsp. incana (A.Gray) Maguire
Arnica celsa A.Nelson
Arnica chamissonis var. andina (Nutt.) Ediger & T.M.Barkley
Arnica chamissonis subsp. foliosa (Nutt.) Maguire
Arnica chamissonis var. incana A.Gray
Arnica tomentulosa Rydb.
Arnica montana Hook.
Arnica ocreata A.Nelson
Arnica incana (A.Gray) Greene
Arnica kodiakensis Rydb.
Arnica foliosa var. andina Nutt.
Arnica stricta A.Nelson
Arnica columbiana Greene