This name is a synonym of Centaurea friderici subsp. jabukensis (Ginzb. & Teyber) Dostál ex Greuter.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 23FEBA50-D19C-4464-97E4-51AE6301E45A) with original publication details: Verh. Zool.-Bot. Ges. Wien 70 1920.
This name was in version 1 of The Plant List, record gcc-44115, and has not been changed.