Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium praecox subsp. billetianum Zahn. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1215804 on 2025-03-23
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium praecox Sch.Bip. subsp. billetianum Zahn [IPNI] [details] LSID urn:lsid:compositae.org:names:EF968E6A-7B37-4813-B498-EDAA167A0C08 [details]