This name is a synonym of Centaurea attica Nyman.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 5222EDE7-0DCD-47D3-8660-E0688D42BDC8) with original publication details: 32 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:174773-1.
This name was in version 1 of The Plant List, record gcc-131227.