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 necessaria" L. (1735), nom. inval.] see Order Polygamia necessaria L. (1753), nom. inval. [Genus "Othonna" nom. inval.] see Genus Othonna L. (1753)