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 Commelinanae Takht. (1967) see Order Commelinales Mirb. ex Bercht. & J.Presl (1820) Order Xyridales Lindl. (1846) see Order Poales Burnett (1835) Family Xyridaceae C.Agardh (1823), nom. cons. - yellow-eyed grass family Subfamily Abolbodoideae (Nakai, 1943) Genus Aratitiyopea J.A. Steyermark & P.E. Berry, in J.A. Steyermark (1984)