Compositae Working Group (CWG) (2024). Global Compositae Database. Silphium perfoliatum var. connatum (L.) Cronquist. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1158057 on 2025-03-23
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Silphium perfoliatum L. var. connatum (L.) Cronquist [IPNI] Silphium perfoliatum L. var. connatum (L.) Cronquist [Preliminary Checklist of North American Compositae] [details] LSID urn:lsid:compositae.org:names:84C70734-9D6F-49E6-A66B-C13A01510692 [details]