Synonyms
Tussilago lobata Steud.
Petasites frigidus subsp. palmatus (Aiton) Cody
Tussilago palmata Aiton
Petasites palmatus (Aiton) A.Gray
Nardosmia hookeriana Nutt.
Petasites frigidus subsp. articus (A.E.Porsild) Cody
Petasites palmatus subsp. speciosus (Nutt.) J.Toman
Petasites arcticus A.E.Porsild
Nardosmia palmata (Aiton) Hook.
Nardosmia frigida var. palmata (Aiton) Herder
Nardosmia speciosa Nutt.
Petasites speciosus (Nutt.) Piper
Petasites hookerianus (Nutt.) Rydb.
Nardosmia arctica (A.E.Porsild) Á.Löve & D.Löve