This name is a synonym of Carex marianensis Stacey.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 224823) with original publication details: N. Amer. Fl. 18: 66 1931.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:45832-2.
This name was in version 1 of The Plant List, record kew-224823, and has not been changed.