Compositae Working Group (CWG) (2021). Global Compositae Database. Carduus pitcheri Steud.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1208576 on 2024-05-15
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Nomencl. Bot. , ed. 2, 1 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:41328E88-1E50-4B85-9F03-E32362B987F2 [details]