This name is a synonym of Carex echinata Murray.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 330915) with original publication details: Cornell Univ. Agric. Exp. Sta. Mem. 291: 10 1949.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:46691-2.
This name was in version 1 of The Plant List, record kew-330915.