Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium laevifrons Arv.-Touv.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1136272 on 2024-09-21
original description(1913). Hier. Gall. Hisp. Cat. page(s): 423 [details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium heterospermum Arv.-Touv. [infrasp.unranked] laevifrons Arv.-Touv. [IPNI] [details] LSID urn:lsid:compositae.org:names:18B57B4D-E72C-4292-AE9A-9ABE31C36DE8 [details]