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 (record 4A69BB06-F7B9-4E6A-93E8-20C36C2A2BEF) with original publication details: 661 1875.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190609-1.
This name was in version 1 of The Plant List, record gcc-17752.