This name is a synonym of Gypsophila elegans M.Bieb..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bol. Real Soc. Esp. Hist. Nat. 19: 483 1919.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:154419-1.
This name was in version 1 of The Plant List, record kew-2836619.