This name is a synonym of Juncus haenkei E.Mey..
The record derives from IOPI
(data supplied on 2012-03-23)
which reports it as a synonym (record 314519) with original publication details: Acta Univ. Lund. n.s., 39(2): 420 1943.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:132023-2.
This name was in version 1 of The Plant List, record kew-314519, and has not been changed.