Compositae Working Group (CWG) (2021). Global Compositae Database. Petasites alaskanus Rydb.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1191930 on 2024-10-23
original description(1927). N. Amer. Fl. 34(4) page(s): 314 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record North American Flora 34(4): [Tropicos] [details] LSID urn:lsid:compositae.org:names:3AD6521C-40F2-45C1-9EED-8BD9C260E040 [details] Taxonomy 27 Jun 1927 [details]