This name is a synonym of Centaurea cuneifolia subsp. pallida (Friv.) Hayek.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record FE31FFB5-D4A9-4DF5-AAD6-4634EC354966) with original publication details: 334 1835.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190214-1.
This name was in version 1 of The Plant List, record gcc-37854.