Compositae Working Group (CWG) (2021). Global Compositae Database. Wyethia amplexicaulis subsp. major Piper. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1221196 on 2025-03-27
original description(1914). Proc. Biol. Soc. Washington 27 page(s): 98 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Proceedings of the Biological Society of Washington 27(21): [Tropicos] [details] LSID urn:lsid:compositae.org:names:F04C139D-2397-4DE9-BA32-9D0C717237CE [details] Type material 17 Jun 1913, 3861, W.C.Cusick [details]