[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
       Spermatophyta Britton & Brown 1896 [Crane & Kenrick 1997], nom. cl. inval. - seed plants see Clade Spermatophyta Britton & Brown 1896 [Cantino, Doyle & Donoghue 2020]
         Class Magnoliopsida Brongn. (1843)
           Monocotyledons see Superorder Lilianae Takht. (1967)
             Commelinids see Clade Commelinidae Takhtajan 1967 [Graham, Saarela & Judd 2020]
               Order Poales Burnett (1835) - grasses
                 Family Xyridaceae C.Agardh (1823), nom. cons. - yellow-eyed grass family
                   1 Genus Abolboda Humb. (1813)
                   2 Genus Achlyphila Maguire & Wurd. (1960)
                   3 Genus Aratitiyopea J.A. Steyermark & P.E. Berry, in J.A. Steyermark (1984)
                   4 Genus Orectanthe Maguire (1958)
                   5 Genus Xyris L. (1753)