This name is a synonym of Carex ferruginea subsp. tendae W.Dietr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225073) with original publication details: Nuov. Fl. Italia 1: 197 1923.
This name was in version 1 of The Plant List, record kew-225073, and has not been changed.