Coltsfoot East of the Cascade Mountains of Oregon and Washington

The Genus Petasites

Sweet Coltsfoot, Western Coltsfoot: Petasites frigidus var. palmatus (Synonyms: Petasites palmatus, Petasites speciosus)

Arrowleaf Coltsfoot, Arrowhead Coltsfoot: Petasites frigidus var. sagittatus (Synonym: Petasites sagittatus)