Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       1 Regnum Lapideum - mineral kingdom
       1.0 Lapides nom. inval. - minerals see Kingdom Regnum Lapideum
       2 Regnum Vegetabile L. (1735), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866)
       2.0 Vegetabilia nom. inval. - plants see Kingdom Plantae Haeckel (1866)
       3 Regnum Animale nom. inval. - animal kingdom see Kingdom Animalia Linnaeus, 1758
       3.0 Animalia nom. inval. - animals see Kingdom Animalia Linnaeus, 1758