This name is a synonym of Centaurea argyrophylla Acht. & Lindtner.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 163EFFE5-C5CD-45FF-BABD-CBA41B04816E) with original publication details: 404 1826.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190755-1.
This name was in version 1 of The Plant List, record gcc-122267, and has not been changed.