Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium ravidum var. exaltifrons T.Tyler. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1245085 on 2024-08-13
original description(2004). Ann. Bot. Fenn. 41(2) page(s): 139, fig. 4 [details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium ravidum Brenner var. exaltifrons T.Tyler [IPNI] [details] LSID urn:lsid:compositae.org:names:B12EA3A7-8A73-4B3A-B976-F56DA743CDC9 [details] Taxonomy 28 Apr 2004 [details] Type material 9 June 1938, s.n., H. Hylander, Gotland, Fröjel sn, Fröjel, holotype LD [details]