This name is a synonym of Luzula multiflora subsp. sibirica V.I.Krecz..
The record derives from IOPI
(data supplied on 2012-03-23)
which reports it as a synonym (record 316919) with original publication details: Zhurn. Russk. Bot. Obshch. 12: 490 1928.
This name was in version 1 of The Plant List, record kew-316919.