This name is a synonym of Centaurea halacsyi Dörfl..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 47131575-BA02-4622-93B7-32BDA2F706A5) with original publication details: 1934.
This name was in version 1 of The Plant List, record gcc-27443, and has not been changed.