Ruppia tuberosa is a submerged herb in the genus Ruppia found in shallow hypersaline waters in Australia.
Distribution and habitat This is a common submerged herb in Australian coasts, including NSW, SA, Vic, and WA (type locality).Jacobs, S.W.L. and M.A. Brock (1982) A revision of the genus Ruppia (Potamogetonaceae) in Australia. Aquatic Botany 14: 325–337
Description This aquatic herb is one of the early diverged species in the genus.Ito, Y., T. Ohi-Toma, J. Murata, and Nr. Tanaka (2010) Hybridization and polyploidy of an aquatic plant, Ruppia (Ruppiaceae), inferred from plastid and nuclear DNA phylogenies. American Journal of Botany 97: 1156-1167
Ecology The habitat is up to four times saltier than seawater.
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