⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-314941, 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 314941) with original publication details: Ill. Fl. Mitt.-Eur. 2: 152 1909.