Compositae Working Group (CWG) (2021). Global Compositae Database. Silphium simpsonii var. wrightii L.M.Perry. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1242027 on 2025-03-25
original description(1937). Rhodora 39 page(s): 288 [details]
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 simpsonii Greene var. wrightii L.M. Perry [Preliminary Checklist of North American Compositae] Silphium simpsonii Greene var. wrightii L.M.Perry [IPNI] Silphium simpsonii var. wrightii 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:4AE5E9D6-157D-4A1F-A737-1B2A3E3E0D30 [details] Taxonomy as "Wrightii" [details] Type material 1848, C.Wright, holotype GH [details]