Kingdom Plantae Haeckel (1866) - plants
   Division Pinophyta Cronquist, Takht. & Zimmerm. see Division Pinophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996)
     1 Subdivision Cycadicae see Class Cycadopsida Brongn. (1843)
     2 Subdivision Pinicae see Class Pinopsida Burnett (1835)
     3 Subdivision Gneticae see Class Gnetopsida Eichler ex Kirpot. (1884)