This name is a synonym of Geranium core-core Steud..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Ann. Sci. Nat., Bot. II, 18: 25 1842.
This name was in version 1 of The Plant List, record kew-2823936, and has not been changed.