[Angiospermae] J. Lindley (1830) see Infraphylum Angiospermae auct.
   Dicotyledones see Class Magnoliopsida Brongn. (1843)
     Superorder Rosanae Takht. (1967)
       Order Saxifragales Bercht. & J.Presl (1820)
         Family Podostemaceae Rich. ex Kunth (1816), nom. cons. - river-weed family