This name is a synonym of Centaurea brunnea (Halácsy) Halácsy.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record DB31D9F0-7EAB-4245-AD32-0CF186A975B9) with original publication details: 204 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:876764-1.
This name was in version 1 of The Plant List, record gcc-6959.