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"] ["Diffinitas"] ["Indifferentismus"] [Class "Diandria" L. (1735), nom. inval.] see Class Diandria L. (1753), nom. inval. [Order "Diandria Monogynia" L. (1735), nom. inval.] see Order Diandria Monogynia L. (1753), nom. inval. ["Flos regularis"] see [unranked] Corollae regulares [Genus "kirkaía" Dioscorides, nom. inval.] see Genus Circaea Plinius, nom. inval.