This name is a synonym of Centaurea bruguierana (DC.) Hand.-Mazz..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 5A0544F5-1439-4864-83C5-45AE5EA0AF1C).
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Centaurea bruguierana in version 1 of The Plant List.