⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-314538, with some changes.
This name is a synonym of Juncus effusus subsp. effusus .
The record derives from IOPI which reports it as a synonym (record 314538) with original publication details: Nov. Gen. Sp. 1: 235 1816.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:442736-1.