Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium flexile Kotula. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1192568 on 2024-06-06
original description(1891). ex Oesterr. Bot. Z. 41[details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium ×flexile Kotula [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Kotula, Rozmieszcz. Rošl. Nacz. Tatr. 1890. [Euro+Med] Rozmieszcz. Rošl. Nacz. Tatr.: 351. 1890 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:AE9DF27D-B321-433C-B6CD-9191DBDEDE59 [details]