Petasites frigidus var. nivalis (Greene) Cronquist
Petasites frigidus var. nivalis (Greene) Cronquist is a synonym sensu FNA Ed. Comm., 2006a of:
Petasites frigidus (Linnaeus) Fries var. frigidus, an accepted variety name sensu FNA Ed. Comm., 2006b.
Petasites frigidus var. nivalis (Greene) Cronquist is a synonym sensu FNA Ed. Comm., 2006a of:
Petasites frigidus (Linnaeus) Fries var. frigidus, an accepted variety name sensu FNA Ed. Comm., 2006b.