⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-129833, and has not been changed.
This name is a synonym of Silphium perfoliatum var. connatum .
The record derives from TICA which reports it as a synonym (record C56145B2-FA68-43C0-B5D5-DD292DF2BDD2
) with original publication details: 574 1771.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:236437-2
.