Flora van Nederland Haeckel (1866) - plants
   Division Spermatophyta Goebel (1882) see Phylum Spermatophyta Goebel (1882)
     Subdivision Angiospermae J. Lindley (1830) see Infraphylum Angiospermae auct.
       Class Monocotyledones see Class Liliopsida Batsch (1802)
         Order Graminales
           Family Gramineae Juss. (1789), nom. cons. see Family Poaceae Barnhart (1895), nom. cons.
             Genus Poa L. (1753)
               1 Poa compressa L. - Canada bluegrass
               2 Poa angustifolia L.
               3 Poa pratensis L. - Kentucky bluegrass
               4 Poa bulbosa L. - bulbous blue grass
               5 Poa chaixii Vill. (1786) - broadleaf bluegrass
               6 Poa nemoralis L. - forest blue grass
               7 Poa trivialis L. - rough bluegrass
               8 Poa annua L. - spear grass
               9 Poa palustris L. - fowl blue grass