Compositae Working Group (CWG) (2021). Global Compositae Database. Carduus nutans var. heldreichii Arènes. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1227198 on 2024-04-30
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Carduus nutans L. var. heldreichii Arènes [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Mém. Mus. Natl. Hist. Nat. 24 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:116D1EB3-A198-46DE-A195-32793C73BA86 [details] Type material Thessalie [details]