This name is a synonym of Ruppia maritima L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 309663) with original publication details: Physiogr. Sällsk. Årsberätt. 6: 37 1823.
This name was in version 1 of The Plant List, record kew-309663.