Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843) Subclass Alismatidae Takht. (1967) see Order Alismatales R.Br. ex Bercht. & J.Presl (1820) Superorder Alismatanae Takht. (1967) see Order Alismatales R.Br. ex Bercht. & J.Presl (1820) Order Juncaginales Hutch. (1934) see Order Alismatales R.Br. ex Bercht. & J.Presl (1820) Suborder Juncagineae see Order Alismatales R.Br. ex Bercht. & J.Presl (1820) Family Juncaginaceae Rich. (1808), nom. cons. - arrow-grass family 1 Genus Triglochin L. (1753) 2 Genus Cycnogeton Endl. (1838) see Genus Triglochin L. (1753) 3 Genus Tetroncium Willd. (1808)