This name is a synonym of Carex bigelowii subsp. dacica (Heuff.) T.V.Egorova.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 224957) with original publication details: Willdenowia 4: 326 1968.
This name was in version 1 of The Plant List, record kew-224957.