Compositae Working Group (CWG) (2021). Global Compositae Database. Centaurea difficillima Gugler. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1126977 on 2024-05-19
Present Inaccurate Introduced: alien Containing type locality
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Centaurea ×difficillima Gugler [Govaerts World Compositae Checklist A-G] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Ann. Hist.-Nat. Mus. Natl. Hung. 6 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:F3303FAB-225E-44FA-923E-4DFD12B9B9EC [details]