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 Cynodonteae Dumort. (1824)
                 01 Genus Aeluropus Trinius (1822)
                 02 Genus Bouteloua Hornemann ex P.Beauv. (1805), nom. cons., orth. cons. - grama-needlegrass
                 03 Genus Chloris Sw. (1788)
                 04 Genus Crypsis Aiton (1789), nom. cons.
                 05 Genus Cynodon Rich. (1805), nom. cons.
                 06 Genus Diplachne R.Br. ex Desf.
                 07 Genus Eleusine Gaertn. (1788)
                 08 Genus Enneapogon Desv. ex P.Beauv. (1812)
                 09 Genus Eragrostis N.M. Wolf (1776)
                 10 Genus Lepturus R.Br. (1810)
                 11 Genus Muhlenbergia Schreber (1789)
                 12 Genus Pappophorum Schreber (1791)
                 13 Genus Spartina Schreb. (1789)
                 14 Genus Tragus A. Haller (1768), nom. cons.
                 15 Genus Tridens Roem. & Schult. (1817)
                 16 Genus Tripogon Roem. & Schult. (1817)
                 17 Genus Zoysia Willd. (1801), nom. cons.