This name is a synonym of Centaurea thasia Hayek.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 2E1D4132-75B1-452D-909F-10597997A709) with original publication details: 102 1943.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190741-1.
This name was in version 1 of The Plant List, record gcc-8745, and has not been changed.