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 Cyperales Juss. ex Bercht. & J.Presl (1820) see Order Poales Burnett (1835)
           Family Cyperaceae Juss. (1789), nom. cons. - sedge family
             Genus Carex L. (1753)
               Carex acutiformis Ehrh. (1789) - lesser pond sedge