This name is a synonym of Centaurea ptarmicoides Halácsy.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 8F4D9F66-36F3-4BE8-8D84-82EA268B1F06) with original publication details: Consp. Fl. Graec. 2 134 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190451-1.
This name was in version 1 of The Plant List, record gcc-89966, and has not been changed.