Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium tenebrosum Norrl.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1174900 on 2025-03-24
original description(1888). Acta Soc. Fauna Fl. Fenn. 3 page(s): 106 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Norrl. in Acta Soc. Fauna Fl. Fenn. 3(4). 1888 [Cichorieae Portal] Norrl., in Acta Soc. Fauna Fl. Fenn. 3(4). 1888. [Euro+Med] [details] LSID urn:lsid:compositae.org:names:99DA3BCF-EA5B-4358-A7BF-327DFA5D2525 [details]