This name is a synonym of Arenaria tetragyna Willd. ex Schltdl..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Linnaea 37: 257 1872.
This name was in version 1 of The Plant List, record kew-2650251, and has not been changed.