Compositae Working Group (CWG) (2025). Global Compositae Database. Cirsium occidentale var. californicum (A.Gray) D.J.Keil & C.E.Turner. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1157937 on 2025-06-25
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (A. Gray) D.J. Keil & C.E. Turner [Tropicos] (A. Gray) Keil & C. Turner [Preliminary Checklist of North American Compositae] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Cirsium californicum [Govaerts World Compositae Checklist A-G] Cirsium californicum A. Gray [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner [Preliminary Checklist of North American Compositae] Cirsium occidentale (Nutt.) Jeps. var. californicum (A.Gray) D.J.Keil & C.E.Turner [IPNI] Cirsium occidentale var. californicum (A. Gray) D.J. Keil & C.E. Turner [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Phytologia 73 [Govaerts World Compositae Checklist A-G] Phytologia 73(4): [Tropicos] [details] LSID urn:lsid:compositae.org:names:D43CA272-A1AA-4E59-B5E3-B9D2FD5248A7 [details]