This name is a synonym of Schoenoplectiella supina (L.) Lye.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 264479) with original publication details: Mém. Sav. Étr. Acad. St. Pétersbourg 1: 199 1831.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:313895-1.
This name was in version 1 of The Plant List, record kew-264479.