Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Lamiidae Takht. ex Reveal (1993) see [unranked] lamiids
       Superorder Lamianae Takht. (1967) see Order Lamiales Bromhead (1838)
         Order Hydrostachyales Diels ex Reveal (1993) see Order Cornales Link (1829)
           Family Hydrostachyaceae Engl. (1894), nom. cons. - Hydrostachys family
             1 Genus Hydrostachys Thouars (1806)