This name is a synonym of Carex vaginata Tausch.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 224435) with original publication details: Ill. Fl. N. U.S. 1: 326 1896.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:45707-2.
This name was in version 1 of The Plant List, record kew-224435.