Eucaryota
   Chlorota Doweld (2001)
     Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
       Pteridobiotina Britton & A. Br. (1896)
         Cycadophytanae Doweld (2001)
           Pinophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Class Pinopsida Burnett (1835)
             Pinopsida Burnett (1835)
               Cupressidae Doweld (2001)
                 Sciadopityales Reveal (1993)
                   †Miroviaceae M.N.Bose & Manum (1990)