This name is a synonym of Centaurea scabiosa subsp. fritschii (Hayek) Hayek.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 0A278155-412D-4A3E-9F13-CBBB4CDA8F25) with original publication details: Feddes Repert. 85: 438 (1974) 438 1974.
This name was in version 1 of The Plant List, record gcc-66059, and has not been changed.