This name is a synonym of Centaurea affinis subsp. laconiae Prodan.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 2AA4BA31-0500-4DBF-8613-FB879622BD95) with original publication details: 196 1976.
This name was in version 1 of The Plant List, record gcc-72128, and has not been changed.