This name is a synonym of Centaurea raphanina Sm..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 821F6683-C79D-48C7-9FFB-305561948417) with original publication details: 151 1775.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:191048-1.
This name was in version 1 of The Plant List, record gcc-26135.