This name is a synonym of Centaurea affinis subsp. balcanica (Urum. & H.Wagner) Dostál.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E80EABAE-8BD6-48D7-9673-ADF9F2FB24CD) with original publication details: 166 1907.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:189993-1.
This name was in version 1 of The Plant List, record gcc-109142, and has not been changed.