Compositae Working Group (CWG) (2021). Global Compositae Database. Silphium laevigatum Elliott. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1128272 on 2024-05-19
original description(1823). Sketch Bot. S. Carolina [Elliott] 2 page(s): 465 [details]
From other sources
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Elliot [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Silphium laevigatum Elliot [Preliminary Checklist of North American Compositae] [details] LSID urn:lsid:compositae.org:names:8CACD5BF-255C-4BA6-9834-5B3BA6FF24C8 [details] Status non Pursh [details]