This name is a synonym of Centaurea bruguierana subsp. belangeriana (DC.) Bornm..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 28F9297F-DB14-44B4-9420-46AB8347E42A) with original publication details: 66 1885.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190018-1.
This name was in version 1 of The Plant List, record gcc-38098, and has not been changed.