This name is a synonym of Luzula luzuloides subsp. rubella (Hoppe ex Mert. & W.D.J.Koch) Holub.
The record derives from IOPI
(data supplied on 2012-03-23)
which reports it as a synonym (record 316455) with original publication details: Fl. Reipubl. Popul. Roman. 11: 592 1966.
This name was in version 1 of The Plant List, record kew-316455, and has not been changed.