This name is a synonym of Dianthus diffusus Sm..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Diagn. Pl. Orient. II, 1: 63 1854.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:153276-1.
This name was in version 1 of The Plant List, record kew-2764135, and has not been changed.