Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Count: [f] 2c;232o;592f;6085g;41s; †1g Class Magnoliopsida Brongn. (1843) Count: - Subclass Nymphaeidae J.W. Walker ex Takht. (1997) see Order Nymphaeales Salisb. ex Bercht. & J.Presl (1820) Count: [g] 3o;6f;9g Superorder Ceratophyllanae Takht. (1997), nom. inval. see Superorder Ceratophyllanae Takht. ex Reveal & Doweld (1999) Count: [g] 1o;1f;1g Order Ceratophyllales Link (1829) Count: - 1 Family Ceratophyllaceae Gray (1822), nom. cons. - hornwort family Count: [g] 1g