Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
   angiosperms - flowering plants see Subclass Magnoliidae Novák ex Takht. (1967)
     Subclass Magnoliidae Novák ex Takht. (1967) - angiosperms
       Superorder Austrobaileyanae Doweld ex M.W.Chase & Reveal (2009)
         1 Order Austrobaileyales Takht. ex Reveal (1992)