This name is a synonym of Centaurea gerberi Steven.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record CA69D0CE-562B-494D-885C-E8A4990E2916) with original publication details: 204 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:876886-1.
This name was in version 1 of The Plant List, record gcc-69735, and has not been changed.