[Angiospermae] J. Lindley (1830) see Infraphylum Angiospermae auct. Monocotyledones see Class Liliopsida Batsch (1802) Superorder Commelinanae Takht. (1967) see Order Commelinales Mirb. ex Bercht. & J.Presl (1820) Order Hydatellales Cronquist (1980) see Order Nymphaeales Salisb. ex Bercht. & J.Presl (1820) 1 Family Hydatellaceae U.Hamann (1976)