Publication: Canad. J. Bot. 76: 2072. 1999.
Origin: Native
Herbarium search: CPNWH
Notes: FNA20: "Petasites frigidus var. ×vitifolius often grows in association with one or both putative parents (P. frigidus var. palmatus and P. frigidus var. sagittatus)."
Bogle (1961, 1968) produced this hybrid through artificial crosses.
References:
Last updated 11/26/2008 by David Giblin.