A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium, Burke Museum
Hosted by the University of Washington Herbarium, Burke Museum
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Asteraceae » Petasites japonicus
Last updated 10/31/2020 by David Giblin.
Petasites japonicus (Siebold & Zucc.) Maxim.[HC2, ILBC1]
Japanese sweet coltsfoot
Publication: Award 34th Demidovian Prize 212. 1866.
Origin: Introduced from Asia
selected vouchers: WTU
Notes:
References:
» Hellquist, C. B. and G. E. Crow. 1986. Potamogeton x haynesii (Potamogetonaceae), a new species from northeastern North America. Brittonia 38: 415–419.
» Wahl, H. A. 1952. A preliminary study of the genus Chenopodium in North America. Bartonia 27: 1-46.
Synonyms & Misapplied Names:
Petasites japonicus (Siebold & Zucc.) Maxim. var. giganteus (F. Schmidt ex Trautv.) G. Nicholson[HC2]
Petasites japonicus (Siebold & Zucc.) Maxim. var. japonicus
