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 F6A09C08-79C5-4EBF-93E6-41CB1AE1A14B) with original publication details: 195 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:876853-1.
This name was in version 1 of The Plant List, record gcc-35486, and has not been changed.