Compositae Working Group (CWG) (2021). Global Compositae Database. Carduus assoi (Willk.) Devesa & Talavera. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1210377 on 2024-05-14
Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Carduus nigrescens Mutel ex Nyman subsp. assoi [IPNI] Carduus nigrescens subsp. assoi [Govaerts World Compositae Checklist A-G] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Devesa & Talavera in Lagascalia 10. 1981. [Euro+Med] Lagascalia 10 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:F0B52A9B-4EF1-45D2-A825-EC95E49045F3 [details]