This name is a synonym of Centaurea aristata subsp. langeana (Arènes) Dostál.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 9271B6C6-5311-40BD-9376-46F6A2D856B9) with original publication details: 87 1861.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190385-1.
This name was in version 1 of The Plant List, record gcc-38255.