World Checklist of Selected Plant Families (WCSP)

Ruppia maritima var. exigua Fernald & Wiegand, Rhodora 16: 127 (1914).

This name is a synonym.

Accepted Name:	Ruppia maritima L., Sp. Pl.: 127 (1753).
Family:	Ruppiaceae
Original Compiler:	R.Govaerts