This name is a synonym of Pseudostellaria sylvatica (Maxim.) Pax.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50097613) with original publication details: Bull. Soc. Imp. Naturalistes Moscou 35(1): 302 1862.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:159486-1.
This name was in version 1 of The Plant List, record tro-50097613, and has not been changed.