Compositae Working Group (CWG) (2024). Global Compositae Database. Hieracium occidentale Eastw.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1141131 on 2025-04-03
original description(1931). Proc. Calif. Acad. Sci. ser. 4, 20 page(s): 154 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Proceedings of the California Academy of Sciences, Series 4, 20(5): [Tropicos] [details] LSID urn:lsid:compositae.org:names:AE98BFFB-7463-489A-ADF6-CDF5FE58224A [details]