This name is a synonym of Silene uniflora subsp. prostrata (Gaudin) Chater & Walters.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Hort. Brit. ed. 2: 51 1830.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:158681-1.
This name was in version 1 of The Plant List, record kew-2487522.