This name is a synonym of Centaurea stereophylla Besser.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E238C4C1-967B-4968-BD08-5E2A742F99A5) with original publication details: 397 1826.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:189937-1.
This name was in version 1 of The Plant List, record gcc-50771.