Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium douglasii DC.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1087565 on 2024-05-09
Present Inaccurate Introduced: alien Containing type locality
From other sources
Contributed data: Notes Data only shown for fields conflicting with the consensus taxon record as "Douglasii" [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Prodr. 6 [Govaerts World Compositae Checklist A-G] Prodromus Systematis Naturalis Regni Vegetabilis 6: [Tropicos] [details] LSID urn:lsid:compositae.org:names:AE9178BB-A4CB-4DE6-AFB8-245719BC0A64 [details] Taxonomy 1837 publ. early Jan 1838 [details]