Flora van Nederland Haeckel (1866) - plants
   Division Spermatophyta Goebel (1882) see Phylum Spermatophyta Goebel (1882)
     Subdivision Gymnospermae see Infraphylum Gymnospermae auct.
       Class Coniferopsida see Class Pinopsida Burnett (1835)
         Order Coniferales see Order Pinales Dumort. (1829)
           Family Cupressaceae Gray (1822), nom. cons. - cypress family
             Genus Thuja L. (1753)
               Thuja plicata Donn ex D.Don (1824) - western red cedar