This name is a synonym of Centaurea flosculosa Willd..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record FC5153F2-50C6-4BEE-8730-BC263BF9061E) with original publication details: 573 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190379-1.
This name was in version 1 of The Plant List, record gcc-115443, and has not been changed.