| Naiadaceae, family Naiadaceae, Najadaceae, family Najadaceae, naiad family; Alismataceae, family Alismataceae, water-plantain family; Hydrocharitaceae, family Hydrocharitaceae, Hydrocharidaceae, family Hydrocharidaceae, frogbit family, frog's-bit family; Potamogetonaceae, family Potamogetonaceae, pondweed family; Scheuchzeriaceae, family Scheuchzeriaceae, Juncaginaceae, family Juncaginaceae, arrow-grass family; Zannichelliaceae, family Zannichelliaceae; Zosteraceae, family Zosteraceae, eelgrass family |