This name is a synonym of Luzula kobayasii Satake.
The record derives from IOPI
(data supplied on 2012-03-23)
which reports it as a synonym (record 316506) with original publication details: Ark. Bot. a.s., 7(1): 32 1967 publ. 1968.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:146234-2.
This name was in version 1 of The Plant List, record kew-316506, and has not been changed.