Compositae Working Group (CWG) (2021). Global Compositae Database. Arnica cascadensis H.St.John. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1181288 on 2025-03-27
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record H. St. John [Preliminary Checklist of North American Compositae] H. St. John [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Arnica cascadensis H. St. John [Preliminary Checklist of North American Compositae] Arnica cascadensis H. St. John [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Provincial Museum of Natural History and Anthropology : Report 1926: [Tropicos] Rep. Prov. Mus. Nat. Hist. [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:EAEBC382-E02A-4A62-B91C-54B358F70E83 [details] Taxonomy 1926 publ. 1927 [details]