This name is a synonym of Centaurea solstitialis subsp. carneola (Boiss.) Wagenitz.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 923A04A5-E8DF-45A9-947B-8EEC49741F8E) with original publication details: 83 1856.
This name was in version 1 of The Plant List, record gcc-95272, and has not been changed.