Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium hookerianum var. eriocephalum (A.Gray) A.Nelson. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1161702 on 2024-09-05
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (A. Gray) A. Nelson [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium hookerianum Nutt. var. eriocephalum (A. Gray) A. Nelson [Preliminary Checklist of North American Compositae] [details] LSID urn:lsid:compositae.org:names:4D5B0531-EE94-4172-8403-15D119C0974B [details]