⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-286869, and has not been changed.
This name is a synonym of Ruppia didyma .
The record derives from WCSP which reports it as a synonym (record 286869
) with original publication details: Bull. Torrey Bot. Club 42: 359 1915 publ. 1916.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:224557-2
.