Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium drijeri Rchb.f.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1191204 on 2024-05-01
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Icon. Fl. Germ. Helv. 15 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:C8DC871E-E809-4A85-9210-887D07602070 [details] Taxonomy 1852-1853 [details]