⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-316013, and has not been changed.
This name is a synonym of Juncus castaneus subsp. triceps .
The record derives from IOPI which reports it as a synonym (record 316013
) with original publication details: Nov. Fl. Jap. 1: 30 1938.