This name is a synonym of Geranium aequale (Bab.) Aedo.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. Ost- & Westpreussen 156 1898.
This name was in version 1 of The Plant List, record kew-2823629, and has not been changed.