⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-308635, and has not been changed.
This name is a synonym of Potamogeton octandrus var. mizuhikimo .
The record derives from WCSP which reports it as a synonym (record 308635
) with original publication details: Ill. Fl. Jap. 1: 9 1891.