Duckweed Family: Araceae (formerly the Lemnaceae)
Water-starwort Family: Callitrichaceae
Hornwort Family: Ceratophyllaceae ?
Water-milfoil Family: Haloragaceae
Quillwort Family: Isoetaceae ?
Badderwort Family: Lentibulariaceae
Water Lily Family: Nymphaeaceae
Pondweed Family: Potamogetonaceae
Scheuchzeria Family: Scheuchzeriaceae
Bur-reed Family: Sparganiaceae
Cattail Family: Typhaceae ?