This name is a synonym of Geranium cuneatum Hook..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: U.S. Expl. Exped., Phan. 1: 314 1854.
This name was in version 1 of The Plant List, record kew-2823129, and has not been changed.