Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium platycephalum Benth. ex Oerst.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1171069 on 2024-05-03
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1852 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:43A08D82-5C34-4936-A598-1E6A3A771CB7 [details]