Compositae Working Group (CWG) (2021). Global Compositae Database. Encelia squarrosa Greenm.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1177162 on 2024-05-14
original description(1903). Proc. Amer. Acad. Arts 39 page(s): 112 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Proceedings of the American Academy of Arts and Sciences 39: [Tropicos] [details] LSID urn:lsid:compositae.org:names:31B9A2E9-6C86-4FC3-B420-3EAEDCE94EB7 [details] Type material 8390, C.G.Pringle, lectotype MEXU [details]