⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-142735, with some changes.
This name is a synonym of Grindelia squarrosa .
The record derives from TICA which reports it as a synonym (record 6A805C6C-3E23-450B-A149-FA4B64849714
) with original publication details: Contr. U. S. Natl. Herb. 16 178 1913.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:113581-2
.