This name is a synonym of Centaurea iberica subsp. meryonis (DC.) Bornm..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E46D1ED6-5A6A-43F0-86ED-DFA1D99196C9) with original publication details: 598 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190996-1.
This name was in version 1 of The Plant List, record gcc-130906, and has not been changed.