This name is a synonym of Juncus compressus Jacq..
The record derives from IOPI
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 315129) with original publication details: Fl. Belg. 142 1827.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:443019-1.
This name was in version 1 of The Plant List, record kew-315129.