Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium nigritellum Arv.-Touv.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1173829 on 2025-03-24
original description(1888). Hieracium Alp. Franç.[details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Arv.-Touv., Essai Pl. Dauphiné. 1872. [Euro+Med] Essai Pl. Dauphiné: 49. 1872 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:0DD894E2-022A-456A-82DD-2EF49AC27ECC [details]