This name is a synonym of Centaurea raphanina subsp. mixta (DC.) Runemark.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 29DD57A4-DD40-4B6B-92E2-21E3EDAF6F80) with original publication details: 594 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:191021-1.
This name was in version 1 of The Plant List, record gcc-18346.