⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-105531, 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 33B0CD66-85C6-479D-80F6-A5C5F41B1BE7
) with original publication details: Methodus (Moench) 606. 1794 [4 May 1794] 606 1794.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:249182-1
.