This name is a synonym of Centaurea polymorpha Lag..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record A5DA2AD3-1E68-437A-AF63-91A8BBB8E1A8) with original publication details: 403 1826.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:191018-1.
This name was in version 1 of The Plant List, record gcc-96483, and has not been changed.