Compositae Working Group (CWG) (2021). Global Compositae Database. Petasites frigidus subsp. nivalis (Greene) Cody. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1161107 on 2024-09-13
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. nivalis (Greene) Cody [IPNI] [details] LSID urn:lsid:compositae.org:names:9F89DE09-0884-49FC-8514-E504D17B6FDE [details]