This name is a synonym of Carex middendorffii var. kirigaminensis (Ohwi) Ohwi.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225404) with original publication details: Bull. Acad. Int. Géogr. Bot. 11: 179 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299082-1.
This name was in version 1 of The Plant List, record kew-225404, and has not been changed.