This name is a synonym of Geranium petri-davisii Aedo.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Notes Roy. Bot. Gard. Edinburgh 28: 36 1967.
This name was in version 1 of The Plant List, record kew-2823042, and has not been changed.