Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies ["Vegetabile Regnum" nom. inval. - plant kingdom] see Kingdom Plantae Haeckel (1866) ["Publicae"] ["Monoclinia"] ["Affinitas"] [Class "Syngenesia" L. (1735), nom. inval.] see Class Syngenesia L. (1753), nom. inval. [Order "Polygamia aeqvalis" nom. inval.] see Order Polygamia aeqvalis L. (1753), nom. inval. a ["Corollulae planipetalae" nom. inval.] b ["Corollulae tubipetalae"]