This name is a synonym of Centaurea thuillieri (Dostál) J.Duvign. & Lambinon.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 22CCE346-85A5-46D3-9782-746A1958455C) with original publication details: 207 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:876845-1.
This name was in version 1 of The Plant List, record gcc-55234.