Family Ruppiaceae Horaninow 1834 (widgeonweed)
Angiospermae - Alismatales - Ruppiaceae
Parent taxon: Alismatales according to The Angiosperm Phylogeny Group 2016
See also Mabberley 2000
Sister taxa: Alismataceae, Aponogetonaceae, Butomaceae, Cymodoceaceae, Hydrocharitaceae, Juncaginaceae, Maundiaceae, Pennipollis, Posidoniaceae, Potamogetonaceae, Scheuchzeriaceae, Thalassocharis, Tofieldiaceae, Zannichelliaceae, Zosteraceae
Subtaxa: Ruppia
Ecology: "photoautotroph"
Distribution: