This name is a synonym of Eleocharis uniglumis (Link) Schult..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 453157) with original publication details: Acta Phytotax. Geobot. 17: 49 1957.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Eleocharis uniglumis in version 1 of The Plant List.