This name is a synonym of Centaurea ognjanoffii Urum..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 1A7DCA10-67D2-4F29-8CD2-26DFC39653C6) with original publication details: 195 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:876970-1.
This name was in version 1 of The Plant List, record gcc-21039, and has not been changed.