Washington Flora Checklist

A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium, Burke Museum

Checklist » Asteraceae » Petasites frigidus var. palmatus

Last updated 6/9/2020 by David Giblin.

Petasites frigidus (L.) Fr. var. palmatus (Aiton) Cronquist[FNA20, HC, HC2]

western coltsfoot

Publication: Rhodora. 48: 124. 1946.

Origin: Native

selected vouchers: WTU

Notes:

References:

» Bogle, A. L. 1968. Evidence for the hybrid origin of Petasites warrenii and P. vitifolius. Rhodora 70: 533-551.

Synonyms & Misapplied Names:

Nardosmia palmata (Aiton) Hook.

Petasites arcticus A.E. Porsild

Petasites frigidus (L.) Fr. ssp. arcticus (A.E. Porsild) Cody

Petasites palmatus (Aiton) A. Gray

Petasites palmatus (Aiton) A. Gray ssp. speciosus (Nutt.) Toman

Petasites speciosus (Nutt.) Piper

Tussilago palmata Aiton