⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-310312, with some changes.
This name is a synonym of Zannichellia palustris L..
The record derives from WCSP which reports it as a synonym (record 310312) with original publication details: Bot. Mag. (Tokyo) 24: 55 1910.