⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-37014, with some changes.
This name is a synonym of Silphium compositum .
The record derives from TICA which reports it as a synonym (record 038E5149-3ABD-496D-99F5-449413871B88
) with original publication details: Fl. N. Amer. (Torr. & A. Gray) 2: 277. 1842 [Apr 1842] 277 1842.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:236430-2
.