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 Amborellanae M.W.Chase & Reveal (2009)
         Order Amborellales Melikyan, A.V.Bobrov & Zaytzeva (1999)