Arnica amplexicaulis var. prima (Maguire) B. Boivin

Arnica amplexicaulis var. prima (Maguire) B. Boivin is a synonym sensu FNA Ed. Comm., 2006c of:

Arnica lanceolata subsp. prima (Maguire) Strother & S.J. Wolf, an accepted subspecies name sensu FNA Ed. Comm., 2006c.