This name is a synonym of Centaurea stoebe subsp. australis (Pančić ex A.Kern.) Greuter.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 0D68E321-B996-4AF0-9DC6-12203433CAFC) with original publication details: Oesterr. Bot. Z. 22 118 1872.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:70029095-1.
This name was in version 1 of The Plant List, record gcc-9701.