This name is a synonym of Centaurea antennata Dufour.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 7323C785-802B-4653-A043-B2AC4271ED87) with original publication details: 92 1988.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:954366-1.
This name was in version 1 of The Plant List, record gcc-62911.