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 Spathiflorae
           Family Lemnaceae Martinov (1820), nom. cons. - duckweed family see Subfamily Lemnoideae Babington (1843)
             Genus Lemna L. (1753)
               1 Lemna trisulca L. - ivy-leaf duckweed
               2 Lemna gibba L. - inflated duckweed
               3 Lemna minor L. - common duckweed
               4 Lemna minuscula Herter