This name is a synonym of Carex ternaria G.Forst..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225645) with original publication details: Trans. & Proc. Roy. Soc. New Zealand 82: 58 1954.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299232-1.
This name was in version 1 of The Plant List, record kew-225645.