organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Plantae Haeckel (1866) - plants
     Phylum Coniferophyta see Subclass Pinidae Cronquist, Takht. & Zimmerm. (1966)
       Genus Pinus L. (1753) - pines
         Pinus coulteri D.Don - bigcone pine
         Pinus lambertiana Dougl. - sugar pine
         Pinus rigida Mill. - pitch pine
         Pinus sabiniana Dougl. ex Dougl. - gray pine