Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium tephrosoma (Nägeli & Peter) Zahn. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1176932 on 2025-03-24
Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Hieracium ctenodon Nageli & Peter subsp. tephrosoma Nägeli & Peter [IPNI] [details] LSID urn:lsid:compositae.org:names:D189C00E-77EE-47B0-9184-3D9009807776 [details]