This name is a synonym of Carex fuscula d'Urv..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 330851) with original publication details: Rep. Princeton Univ. Exped. Patagonia, Botany 8: 283 1904.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:46381-2.
This name was in version 1 of The Plant List, record kew-330851.