Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Count: [f] 2c;232o;592f;6085g;41s; †1g Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843) Count: - Subclass Commelinidae Takht. (1967) see Order Commelinales Mirb. ex Bercht. & J.Presl (1820) Count: [f] 21o;30f;394g Superorder Poanae Takht. (1997), nom. inval. see Superorder Poanae Takht. ex Reveal & Doweld (1999) Count: [f] 4o;7f;179g Order Poales Burnett (1835) - grasses Count: [f] 1f;158g Family Poaceae Barnhart (1895), nom. cons. - grass family Count: 158g Subfamily Pooideae Count: 126g Tribe Poeae R.Br. (1814) Count: 27g 01 Genus Poa L. (1753) Count: - 02 Genus Agrostis L. (1753) Count: - 03 Genus Aira L. (1753) Count: - 04 Genus Anthoxanthum L. (1753) Count: - 05 Genus Arrhenatherum P.Beauv. (1812) Count: - 06 Genus Avena L. (1753) - oats Count: - 07 Genus Briza L. (1753) Count: - 08 Genus Calamagrostis Adans. (1763) Count: - 09 Genus Catabrosa P.Beauv. (1812) Count: - 10 Genus Cinna L. (1753) Count: - 11 Genus Colpodium Trinius (1822) Count: - 12 Genus Cutandia Willkomm (1860) Count: - 13 Genus Cynosurus L. (1753) Count: - 14 Genus Dactylis L. (1753) Count: - 15 Genus Deschampsia P.Beauv. (1812) Count: - 16 Genus Eremopoa Roshevitz, in Komarov (1934) Count: - 17 Genus Festuca L. (1753) Count: - 18 Genus Helictotrichon Besser, in Schult. & J.H. Schultes (1827) Count: - 19 Genus Hierochloe R.Br. (1810) Count: - 20 Genus Holcus L. (1753) Count: - 21 Genus Koeleria Pers. (1805) Count: - 22 Genus Lolium L. (1753) Count: - 23 Genus Milium L. (1753) Count: - 24 Genus Polypogon Desf. (1798) Count: - 25 Genus Puccinellia Parl. (1848) Count: - 26 Genus Trisetum Pers. (1805) Count: - 27 Genus Vulpia C.C.Gmel. (1805) Count: -