Petasites palmatus (Aiton) A. Gray
Petasites palmatus (Aiton) A. Gray is a synonym sensu FNA Ed. Comm., 2006b of:
Petasites frigidus var. palmatus (Aiton) Cronquist, an accepted variety name sensu FNA Ed. Comm., 2006b.
Petasites palmatus (Aiton) A. Gray is a synonym sensu FNA Ed. Comm., 2006b of:
Petasites frigidus var. palmatus (Aiton) Cronquist, an accepted variety name sensu FNA Ed. Comm., 2006b.