Compositae Working Group (CWG) (2021). Global Compositae Database. Agoseris major Jeps. ex Greene. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1187813 on 2024-05-18
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Greene in Pittonia 2. 1891 [Cichorieae Portal] Pittonia 2(10B): [Tropicos] [details] LSID urn:lsid:compositae.org:names:054729F7-4BC2-4B8F-8418-7712F9E1387C [details] Type material [USA, California] "Plains of the lower Sacramento [...] near Elmira", 3 May 1886, Greene [details]