⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-349475, with some changes.
This name is a synonym of Ruppia maritima L..
The record derives from WCSP which reports it as a synonym (record 349475) with original publication details: Pl. Eur. 1: 16 1890.