This name is a synonym of Centaurea ceratophylla Ten..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 28FDACD1-CCAF-4022-A4E0-7D8E807D82DA) with original publication details: 315 1972.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:196932-1.
This name was in version 1 of The Plant List, record gcc-87555, and has not been changed.