magnoliid dicot family - family of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms

order Ranales, order Ranunculales, Ranales, Ranunculales - herbs, shrubs and trees: includes families Ranunculaceae; Annonaceae; Berberidaceae; Magnoliaceae; Menispermaceae; Myristicaceae; Nymphaeaceae; Lardizabalaceae; Lauraceae; Calycanthaceae; Ceratophyllaceae; Cercidiphyllaceae

Ceratophyllum, genus Ceratophyllum - constituting the family Ceratophyllaceae: hornworts