⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-18429, with some changes.
This name is a synonym of Silphium terebinthinaceum var. terebinthinaceum .
The record derives from TICA which reports it as a synonym (record 0DBB5C74-7350-409D-A186-220C37F534D6
) with original publication details: Rhodora 53: 134. 1951 1951.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:236478-2
.