⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-312122, with some changes.
This name is a synonym of Ruppia maritima L..
The record derives from WCSP which reports it as a synonym (record 312122) with original publication details: Pflanzenr. IV, 11: 144 1907.