Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium nigrescens subsp. calenduliflorum (Backh.f.) Zahn. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1217012 on 2025-03-11
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Backh. f.) Zahn [Euro+Med] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Hieracium calenduliflorum Backh. f. [Euro+Med] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium nigrescens subsp. calenduliflorum (Backh. f.) Zahn [Euro+Med] [details] LSID urn:lsid:compositae.org:names:BE470161-A098-40A0-905A-300A31778EFB [details]