This name is a synonym of Centaurea aucheri subsp. szowitsii (Boiss.) Wagenitz.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record EB5F7385-AB1F-4138-B082-DC23CFF81992) with original publication details: 477 1960.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:255855-1.
This name was in version 1 of The Plant List, record gcc-129387.