Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium incrassatiforme Norrl.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1179611 on 2025-03-12
original description(1904). Acta Soc. Fauna Fl. Fenn. 26 page(s): 87 [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:CD448566-5F1B-4AB2-ACCF-4BB4F6986C2A [details]