Compositae Working Group (CWG) (2021). Global Compositae Database. Silphium integrifolium var. asperrimum (Hook.) B.L.Turner. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1163424 on 2024-05-17
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Hook.) B.L. Turner [Preliminary Checklist of North American Compositae] (Hook.) B.L. Turner [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Silphium integrifolium Michx. var. asperrimum (Hook.) B.L. Turner [Preliminary Checklist of North American Compositae] Silphium integrifolium Michx. var. asperrimum (Hook.) B.L.Turner [IPNI] Silphium integrifolium var. asperrimum (Hook.) B.L. Turner [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Atlas of the Vascular Plants of Texas [Tropicos] [details] LSID urn:lsid:compositae.org:names:126E8402-940C-4F28-9E65-A282DE24F7AB [details] Status nom. nud. [details] Taxonomy 25 Apr 2003 [details]