Compositae Working Group (CWG) (2024). Global Compositae Database. Hieracium horridulum Nägeli & Peter. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1144543 on 2025-04-04
original description(1885). Hierac. Mitt.-Eur. 1 page(s): 761 [details]
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium ×horridulum Nägeli & Peter [IPNI] [details] LSID urn:lsid:compositae.org:names:10DFFC8F-4216-446B-8FE3-DE21D15D67E6 [details] Taxonomy Jan-Feb 1885 [details]