This name is a synonym of Centaurea jacea subsp. gaudinii (Boiss. & Reut.) Gremli.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 519B2AFC-0E52-42B1-AC0B-78D051DAF6EA) with original publication details: 1292 1763.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:189861-1.
This name was in version 1 of The Plant List, record gcc-85501.