Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
Count: -
   gymnosperms see Class Spermatopsida
  Count: [g] 8o;12f;83g
     Subclass Cycadidae Pax (1894) - cycads
    Count: [g] 1o;2f;10g
       1 Order Cycadales Pers. ex Bercht. & J.Presl (1820) - cycads
      Count: [g] 2f;10g