Compositae Working Group (CWG) (2024). Global Compositae Database. Hieracium approximatum Rehmann. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1134993 on 2025-04-01
original description(1895). Verh. K.K. Zool.-Bot. Ges. Wien 45 page(s): 343 [details]
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium leptophyton Nägeli & Peter subsp. approximatum Rehmann [IPNI] [details] LSID urn:lsid:compositae.org:names:BC741B81-0A21-4CBD-8780-8FB49669632B [details]