Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
Count: [f] 2c;232o;592f;6085g;41s; †1g
   Class Magnoliopsida Brongn. (1843)
  Count: -
     Subclass Hamamelididae Takht. (1967)
    Count: [g] 17o;23f;79g;2s
       Superorder Buxanae Takht. (1997), nom. inval. see Superorder Buxanae Takht. ex Reveal & Doweld (1999)
      Count: [g] 3o;3f;7g
         Order Simmondsiales Reveal (1992) see Order Caryophyllales Juss. ex Bercht. & J.Presl (1820)
        Count: -
           Family Simmondsiaceae Tiegh. (1900)
          Count: [g] 1g
             Genus Simmondsia Nutt. (1844)
            Count: -