Arnica amplexicaulis Nuttall var. amplexicaulis
Arnica amplexicaulis Nuttall var. amplexicaulis is a synonym sensu TROPICOS of:
Arnica lanceolata subsp. prima (Maguire) Strother & S.J. Wolf, an accepted subspecies name sensu FNA Ed. Comm., 2006c.
Arnica amplexicaulis Nuttall var. amplexicaulis is a synonym sensu TROPICOS of:
Arnica lanceolata subsp. prima (Maguire) Strother & S.J. Wolf, an accepted subspecies name sensu FNA Ed. Comm., 2006c.