Domain Eucaryota
   Subdomain Chlorota Doweld (2001)
     Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
       Subkingdom Pteridobiotina Britton & A. Br. (1896)
         Superphylum Cycadophytanae Doweld (2001)
           Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
             Subphylum Magnoliophytina Reveal (1996)
               Class Magnoliopsida Brongn. (1843)
                 Subclass Rutidae Doweld (2001)
                   Superorder Capparanae Reveal (1994)
                     Order Tovariales Nakai (1943)
                       1 Family Tovariaceae Pax (1891), nom. cons. - Tovaria family
                       2 Family Oxystylidaceae Hutch. (1969) see Tribe Oxystylideae
                       3 Family Pentadiplandraceae Hutch. & Dalziel (1928)