Taxonomic status: Synonym

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

protologue: Erythea 3: 112 (1895)
URL protologue: https://archive.org/stream/mobot31753002301312#page/112/mode/2up

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