This name is a synonym of Grindelia hirsutula Hook. & Arn..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 4BADBB0D-BB1E-4554-8C1D-EC9DE6EB0EFF) with original publication details: 278 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:210666-1.
This name was in version 1 of The Plant List, record gcc-136619.