This name is a synonym of Carex divulsa subsp. virens (Durieu) Nyman.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100355033) with original publication details: Bull. Soc. Bot. France 6: 633 1859.
This name was in version 1 of The Plant List, record tro-100355033, and has not been changed.