⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-62859, with some changes.

Silphium dentatum var. gatesii (C.Mohr) H.E.Ahles is a synonym of Silphium asteriscus var. asteriscus L.

This name is a synonym of Silphium asteriscus var. asteriscus L..

The record derives from TICA which reports it as a synonym (record 9B46E75C-724B-4BDD-B593-B23700319215) with original publication details: J. Elisha Mitchell Sci. Soc. 80: 173. 1964 173 1964.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:236440-2.