This name is a synonym of Juncus alpinoarticulatus Chaix.
The record derives from IOPI
(data supplied on 2012-03-23)
which reports it as a synonym (record 314329) with original publication details: Mitt. Thüring. Bot. Ges. 1: 90 1949.
This name was in version 1 of The Plant List, record kew-314329.