Compositae Working Group (CWG) (2025). Global Compositae Database. Cirsium quercetorum (A.Gray) Jeps.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1109170 on 2025-09-12
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (A. Gray) Jeps. [Preliminary Checklist of North American Compositae] (A. Gray) Jeps. [Tropicos] Jeps. [IPNI] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Cnicus quercetorum A. Gray [Tropicos] Cnicus quercetorus [Govaerts World Compositae Checklist A-G] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium quercetorum (A. Gray) Jeps. [Preliminary Checklist of North American Compositae] Cirsium quercetorum (A. Gray) Jeps. [Tropicos] Cirsium quercetorum Jeps. [IPNI] Cirsium querctorum [Govaerts World Compositae Checklist A-G] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record A Flora of Western Middle California [Tropicos] Fl. W. Calif. [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:B90FCF41-41F4-4D1E-B538-D09C24DD45EA [details] Taxonomy 16 Apr 1901 [details]