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: Anales Mus. Nac. Buenos Aires 7: 254 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:109210-2.
This name was in version 1 of The Plant List, record kew-2823597, and has not been changed.