This name is a synonym of Carex arnellii Christ ex Scheutz.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50272740) with original publication details: Prim. Fl. Amur. 312 1859.
This name was in version 1 of The Plant List, record tro-50272740, and has not been changed.