This name is a synonym of Centaurea dubjanskyi Iljin.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record A6E747ED-70AB-40EE-AB83-2C663C094DC5) 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:876885-1.
This name was in version 1 of The Plant List, record gcc-24024, and has not been changed.