This name is a synonym of Centaurea spruneri subsp. guicciardii (Boiss.) Hayek.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record E46DD89F-3D01-4737-8A4F-5E53049960F5) with original publication details: 663 1875.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190650-1.
This name was in version 1 of The Plant List, record gcc-50854.