Compositae Working Group (CWG) (2021). Global Compositae Database. Silphium gatesii f. truncatum L.M.Perry. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1243334 on 2024-09-11
original description(1937). Rhodora 39 page(s): 289 [details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Silphium gatesii C.Mohr f. truncatum L.M.Perry [IPNI] [details] LSID urn:lsid:compositae.org:names:DC6DE579-386E-4031-BD9D-A8EC58B917FE [details] Type material Curtiss N. A. Pl. no. 1386, A.Gattinger, holotype GH [details]