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 and as an illegitimate name (record 0D7DF3BE-A996-45AF-A7B6-97652622AEE5) with original publication details: 298 1846.
This name was in version 1 of The Plant List, record gcc-99006.