This name is a synonym of Centaurea emporitana Vayr. ex Hayek.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C543B7AF-53E1-42D0-8518-86997AAFB6BF) with original publication details: 206 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:876897-1.
This name was in version 1 of The Plant List, record gcc-57474.