Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium perfixum Arv.-Touv.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1195656 on 2024-09-21
original description(1913). Hier. Gall. Hisp. Cat. page(s): 75 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Arv.-Touv., Hier. Gall. Hisp. Cat. 1913. [Euro+Med] Hier. Gall. Hisp. Cat.: 75. 1913 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:56F7CD87-2EDF-4485-8E2A-9EF8605375AB [details]