Alismatales
Butomaceae (Thorne)
Limnocharitaceae (Thorne)
Alismataceae (Thorne)
Hydrocharitales
Hydrocharitaceae (Thorne)
Najadales
Aponogetonaceae (Thorne)
Scheuchzeriaceae (Thorne)
Juncaginaceae (Thorne)
Potamogetonaceae (Thorne)
Ruppiaceae (Thorne)
Najadaceae
Zannichelliaceae (Thorne)
Posidoniaceae (Thorne)
Cymodoceaceae (Thorne)
Zosteraceae (Thorne)
Triuridales
Petrosaviaceae (Thorne)
Triuridaceae (Thorne)