This name is a synonym of Centaurea dumulosa Boiss..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 77DD824E-155A-41E6-A951-890C19A0D376) with original publication details: 314 1972.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:174604-1.
This name was in version 1 of The Plant List, record gcc-92644, and has not been changed.