embryophytes - land plants see Superphylum Embryophyta Engl. (1887) angiosperms - flowering plants see Subclass Magnoliidae Novák ex Takht. (1967) monocots see Clade Monocotyledoneae de Candolle 1817 [Judd, Soltis, Soltis & Graham 2020] Order Alismatales R.Br. ex Bercht. & J.Presl (1820) Family Potamogetonaceae Bercht. & J.Presl (1823), nom. cons. - pondweed family