Compositae Working Group (CWG) (2024). Global Compositae Database. Hieracium duplex Nägeli & Peter. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1118834 on 2025-03-13
original description(1885). Hierac. Mitt.-Eur. 1 page(s): 386 [details]
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium ×duplex Nägeli & Peter [IPNI] [details] LSID urn:lsid:compositae.org:names:D22B5215-3FCE-4425-97CE-0CFCD354171F [details] Taxonomy Jan-Feb 1885 [details]