This name is a synonym of Carex morrowii var. temnolepis (Franch.) Ohwi.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 226691) with original publication details: Pflanzenr. IV, 20(38): 478 1909.
This name was in version 1 of The Plant List, record kew-226691, and has not been changed.