This name is a synonym of Centaurea nana Desf..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record A419AB37-68B3-43E5-8AD7-FFC7C423B7F6) with original publication details: 144 1973.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:196973-1.
This name was in version 1 of The Plant List, record gcc-145149, and has not been changed.