This name is a synonym of Centaurea phrygia subsp. stenolepis (A.Kern.) Gugler.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 1BDC2C11-B3D1-4189-9BFE-A37B1D9C2D2B) with original publication details: 1169 1925.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190182-1.
This name was in version 1 of The Plant List, record gcc-104430.