Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracioides occidentale (Nutt.) Kuntze. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1169715 on 2025-03-23
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Revisio Generum Plantarum 1: [Tropicos] [details] LSID urn:lsid:compositae.org:names:3482DBC2-C60A-4BF4-B18D-17425186DBEA [details]