Compositae Working Group (CWG) (2025). Global Compositae Database. Cirsium sennenii Rouy. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1129318 on 2025-04-02
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium ×sennenii Rouy [Govaerts World Compositae Checklist A-G] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Rev. Bot. Syst. Géogr. Bot. 2 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:AF28D0F8-7E78-4E07-AD3D-614913EDBF73 [details] Taxonomy Fl. Fr. ix. 31. [details]