Compositae Working Group (CWG) (2021). Global Compositae Database. Silphium asteriscus var. trifoliatum (L.) J.A. Clevinger. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1157529 on 2024-09-10
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Silphium asteriscus L. var. trifoliatum (L.) J.A. Clevinger [Preliminary Checklist of North American Compositae] [details] LSID urn:lsid:compositae.org:names:A3B8F6A4-3BC7-4992-9026-980ADF0D9342 [details]