Compositae Working Group (CWG) (2021). Global Compositae Database. Carduus tyraicus Klokov. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1182802 on 2025-03-26
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record in Fl. RSS Ucr. 11 [Govaerts World Compositae Checklist A-G] Klokov in Visjulina, Fl. URSR 11. 1962. [Euro+Med] [details] LSID urn:lsid:compositae.org:names:DD06D4CB-C0C5-4D17-8E68-5C3E132F94A2 [details]