Angiosperms - flowering plants see Subclass Magnoliidae Novák ex Takht. (1967)
   Mesangiosperms see Clade Mesangiospermae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
     Monocots see Clade Monocotyledoneae de Candolle 1817 [Judd, Soltis, Soltis & Graham 2020]
       Commelinids see Clade Commelinidae Takhtajan 1967 [Graham, Saarela & Judd 2020]
         Order Poales Burnett (1835) - grasses
           090 Family Typhaceae Juss. (1789), nom. cons. - cat-tail family
           091 Family Bromeliaceae Juss. (1789), nom. cons. - bromeliad family
           092 Family Rapateaceae Dumort. (1829), nom. cons. - Rapatea family
           093 Family Xyridaceae C.Agardh (1823), nom. cons. - yellow-eyed grass family
           094 Family Eriocaulaceae Martinov (1820), nom. cons. - pipewort family
           095 Family Mayacaceae Kunth (1842), nom. cons. - Mayaca family
           096 Family Thurniaceae Engl. (1907), nom. cons. - Thurnia family
           097 Family Juncaceae Juss. (1789), nom. cons. - rush family
           098 Family Cyperaceae Juss. (1789), nom. cons. - sedge family
           099 Family Restionaceae R.Br. (1810), nom. cons. - Restio family
           100 Family Flagellariaceae Dumort. (1829), nom. cons. - Flagellaria family
           101 Family Joinvilleaceae Toml. & A.C.Sm. (1970)
           102 Family Ecdeiocoleaceae D.F.Cutler & Airy Shaw (1965)
           103 Family Poaceae Barnhart (1895), nom. cons. - grass family