Compositae Working Group (CWG) (2021). Global Compositae Database. Petasites frigidus subsp. palmatus (Aiton) Cody. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1159730 on 2024-09-17
original description(1994). Canad. Field-Naturalist 108 page(s): 94 [details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Petasites frigidus Macoun subsp. palmatus (Aiton) Cody [IPNI] [details] LSID urn:lsid:compositae.org:names:D0AEC3D5-F50F-49A3-825C-3E40EAD82287 [details]