This name is a synonym of Luzula spicata subsp. mongolica Novikov.
The record derives from IOPI
(data supplied on 2012-03-23)
which reports it as a synonym (record 316715) with original publication details: Trans. Linn. Soc. London 18: 324 1840.
This name was in version 1 of The Plant List, record kew-316715, and has not been changed.