This name is a synonym of Centaurea jordaniana subsp. balbisiana (Soldano) Kerguélen.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record FC8EE028-90D5-499C-80B6-3585FE820A44) with original publication details: 217 1986.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:940911-1.
This name was in version 1 of The Plant List, record gcc-28946.