This name is a synonym of Silene hitchguirei Bocquet.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 6301703) with original publication details: Vasc. Pl. Pacific N.W. 2: 274 1964.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:146353-2.
This name was in version 1 of The Plant List, record tro-6301703, and has not been changed.