Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium douglasii var. douglasii DC.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1158499 on 2024-05-15
Present Inaccurate Introduced: alien Containing type locality
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium douglasii var. douglasii [Tropicos] [details] LSID urn:lsid:compositae.org:names:6A1A4298-A41B-4B85-9B13-E80949A19EB4 [details]