Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium elfvingii Norrl.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1199617 on 2025-03-28
original description(1904). Acta Soc. Fauna Fl. Fenn. 26 page(s): 50 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Norrl. in Acta Soc. Fauna Fl. Fenn. 26(7). 1904 [Cichorieae Portal] Norrl. in Acta Soc. Fauna Fl. Fenn. 26(7). 1904. [Euro+Med] [details] LSID urn:lsid:compositae.org:names:C693EFB6-5AD1-498B-8E5B-B3BB992F9291 [details]