⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-66965, with some changes.
This name is a synonym of Silphium compositum .
The record derives from TICA which reports it as a synonym (record BE1A3306-8127-4671-AD7D-D319039C3C47
) with original publication details: Ohio Journal of Science 70: 232 1970.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1215253-2
.