Compositae Working Group (CWG) (2021). Global Compositae Database. Silphium dentatum var. angustatum (A.Gray) L.M.Perry. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1242020 on 2025-03-26
original description(1937). Rhodora 39 page(s): 293 [details]
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (A. Gray) L.M. Perry [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Silphium dentatum Elliot var. angustatum (A. Gray) L.M. Perry [Preliminary Checklist of North American Compositae] Silphium dentatum Elliott var. angustatum (A.Gray) L.M.Perry [IPNI] [details] LSID urn:lsid:compositae.org:names:7E9D56FE-76E0-4F61-BD0B-1A47D503BC7F [details]