Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium sonchophyllum Arv.-Touv. & Cadevall. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1177219 on 2024-08-28
original description(1913). Hier. Gall. Hisp. Cat. page(s): 119 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Arv.-Touv. & Cadevall - in Arvet-Touvet, Hier. Gall. Hisp. Cat.. 1913 [Cichorieae Portal] Arv.-Touv. & Cadevall, in Arvet-Touvet, Hier. Gall. Hisp. Cat. 1913. [Euro+Med] [details] LSID urn:lsid:compositae.org:names:89877D0B-9862-437D-AE24-3FCCDCDD54A0 [details]