Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
Count: -
   gymnosperms see Class Spermatopsida
  Count: [g] 8o;12f;83g
     Subclass Pinidae Cronquist, Takht. & Zimmerm. (1966) - conifers
    Count: [g] 3o;6f;69g
       Order Cupressales Link (1829)
      Count: [g] 3f;36g
         Family Cupressaceae Gray (1822), nom. cons. - cypress family
        Count: [g] 29g
           Genus Metasequoia Hu & W.C.Cheng (1948), nom. cons.
          Count: -