Compositae Working Group (CWG) (2025). Global Compositae Database. Hieracium atratum subsp. zinkenense (Pernh.) Zahn. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1159237 on 2025-09-12
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium atratum Fr. subsp. zinkenense (Pernh.) Zahn [IPNI] [details] LSID urn:lsid:compositae.org:names:F73C3671-4E8B-432C-B062-0EFE5FCD4683 [details] Taxonomy 18 Oct 1921 [details]