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

Petasites frigidus (L.) Fr.[FNA20, HC, HC2]

alpine butterbur, sweet coltsfoot

Publication: Summa Veg. Scand. 182. 1845.

Origin: Native

Herbarium search: CPNWH

Infraspecies:

var. frigidus [FNA20, HC2]

alpine butterbur, arctic butterbur, sweet coltsfoot

var. palmatus (Aiton) Cronquist [FNA20, HC, HC2]

western coltsfoot

var. sagittatus (Pursh) Cherniawsky & R.J. Bayer [FNA20, HC2]

arrowhead sweet coltsfoot, arrowleaf coltsfoot

var. ×vitifolius (Greene) Cherniawsky & R.J. Bayer [FNA20, HC2, KZ99]

hybrid coltsfoot, Wenatchee coltsfoot

Last updated 6/9/2020 by David Giblin.

Synonyms & Misapplied Names:

(none)