Taxonomic status: Synonym

homotypic synonyms:
Chrysothamnus frigidus Greene; Petasites frigidus var. vitifolius (Greene); Petasites frigidus var. X vitifolius (Greene) Cherniawsky & R.J. Bayer; Petasites frigidus var. nivalis (Greene) Cronquist;

protologue: : 94 (1994)
URL protologue: https://archive.org/stream/#page/94/mode/2up

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