This name is a synonym of Eleocharis tenuis var. pseudoptera (Weath. ex Svenson) Svenson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 242380) with original publication details: Rhodora 34: 202 1932.
This name was in version 1 of The Plant List, record kew-242380, and has not been changed.