Compositae Working Group (CWG) (2021). Global Compositae Database. Silphium integrifolium var. deamii L.M.Perry. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1242049 on 2025-03-25
original description(1937). Rhodora 39 page(s): 287 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record L.M. Perry [Preliminary Checklist of North American Compositae] L.M. Perry [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Silphium integrifolium Michx. var. deamii L.M. Perry [Preliminary Checklist of North American Compositae] Silphium integrifolium Michx. var. deamii L.M.Perry [IPNI] Silphium integrifolium var. deamii L.M. Perry [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Rhodora 39(464): [Tropicos] [details] LSID urn:lsid:compositae.org:names:CB255EA3-ABA9-42C0-84BB-1E94A0F4FDDC [details] Taxonomy as "Deamii" [details] Type material 54376, C.C.Deam, holotype GH [details]