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 Spirodela Schleid. (1839) 1 Spirodela polyrhiza (L.) Schleiden - giant duckweed