Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843) Subclass Commelinidae Takht. (1967) see Order Commelinales Mirb. ex Bercht. & J.Presl (1820) Superorder Poanae Takht. (1997), nom. inval. see Superorder Poanae Takht. ex Reveal & Doweld (1999) Order Poales Burnett (1835) - grasses Family Poaceae Barnhart (1895), nom. cons. - grass family Subfamily Pooideae Tribe Oryzeae Dumort. (1824) 1 Genus Leersia Sw. (1788) 2 Genus Luziola 3 Genus Oryza L. (1753) - rice 4 Genus Zizania L. (1753)