Compositae Working Group (CWG) (2025). Global Compositae Database. Carduus brevisquamus (Fiori) Sommier. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1170640 on 2025-09-12
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Boll. Reale Orto Bot. Palermo 5-7(App.) [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:7B268BDE-9628-4B92-BE12-1BE959A6301A [details]