Compositae Working Group (CWG) (2021). Global Compositae Database. Carduus occidentalis var. coulteri (Harv. & A.Gray) H.M.Hall. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1242462 on 2025-03-23
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record H.M.Hall [IPNI] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Cirsium coulteri [Govaerts World Compositae Checklist A-G] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Carduus occidentalis var. coulteri H.M.Hall [IPNI] [details] LSID urn:lsid:compositae.org:names:4C46C4D2-9AD6-438B-AD54-7DC9EB1DC336 [details]