[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 Gramineae Juss. (1789), nom. cons. see Family Poaceae Barnhart (1895), nom. cons.
                   Subfamily Pooideae
                     14 Tribe Nardeae W.D.J.Koch (1837)
                     15 Tribe Lygeae nom. null. see Tribe Lygeeae Willk. (1861)
                     16 Tribe Stipeae
                     17 Tribe Poeae R.Br. (1814)
                     18 Tribe Hainardieae Greuter (1967)
                     19 Tribe Meliceae Link ex Endl. (1830)
                     20 Tribe Brylkinieae Tateoka (1960)
                     21 Tribe Aveneae Dumort. (1824)
                     22 Tribe Bromeae Dumort. (1824)
                     23.1 Tribe Triticeae Dumort. (1824)
                     23.2 Tribe Brachypodieae Harz (1880)