Arnica parryi A. Gray
Publication: Amer. Naturalist. 8: 213. 1874.
Arnica angustifolia Vahl ssp. eradiata A. Gray
Arnica parryi A. Gray ssp. parryi
Arnica parryi A. Gray ssp. sonnei (Greene) Maguire
Arnica parryi A. Gray var. parryi [HC]
Arnica parryi A. Gray var. sonnei (Greene) Cronquist