Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium rugelii Arv.-Touv.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1138089 on 2024-08-21
original description(1881). Spicil. Hierac. page(s): 11 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Spicilegium Rariorum vel Novorum Hieraciorum Praecipue Americanorum et Europaeorum [Tropicos] [details] LSID urn:lsid:compositae.org:names:DE4318DD-86B6-4C5E-92EC-A8FD4A08CC09 [details]