⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-314907, and has not been changed.
This name is a synonym of Juncus effusus subsp. pacificus (Fernald & Wiegand) Piper & Beattie.
The record derives from IOPI which reports it as a synonym (record 314907) with original publication details: Res. Stud. State Coll. Wash. 2: 110 1931.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:132115-2.