⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-314944, with some changes.
This name is a synonym of Juncus effusus subsp. solutus (Fernald & Wiegand) Hämet-Ahti.
The record derives from IOPI which reports it as a synonym (record 314944) with original publication details: Rhodora 12: 90 1910.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:132125-2.