Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Magnoliopsida Brongn. (1843) Subclass Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967) Superorder Saxifraganae Reveal (1994) Order Podostemales Lindl. (1833) see Order Malpighiales Juss. ex Bercht. & J.Presl (1820) Family Podostemaceae Rich. ex Kunth (1816), nom. cons. - river-weed family Subfamily Tristichoideae Warm. Tribe Tristicheae see Subfamily Tristichoideae Warm. Genus Indotristicha Royen (1959)