Compositae Working Group (CWG) (2021). Global Compositae Database. Grindelia robusta var. platyphylla Greene. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1232769 on 2025-04-03
original description(1891). Pittonia 2 page(s): 289 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Pittonia 2(12): [Tropicos] [details] LSID urn:lsid:compositae.org:names:416D704B-DFD5-4929-AFD7-8E4BADC991F2 [details] Type material 1892, M.A.Howe, holotype UC [details]