This name is a synonym of Geranium affine Ledeb..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Index Seminum (LE) 1862: 31 1862.
This name was in version 1 of The Plant List, record kew-2823843, and has not been changed.