Compositae Working Group (CWG) (2025). Global Compositae Database. Carduus dubius Balb.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1092446 on 2025-03-30
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Carduus ×dubius Balb. [Govaerts World Compositae Checklist A-G] Carduus ×dubius Balb. [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Cat. Pl. [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:579783AE-85F1-482C-BF95-4AD73B3C45B8 [details]