Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium flexile Arv.-Touv.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1208137 on 2025-03-26
original description(1913). Hier. Gall. Hisp. Cat. page(s): 324 [details]
Unreviewed
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.: 324. 1913 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:41984B68-0CC8-4537-96E0-E0648408B735 [details]