Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies ["Regnum Vegetabile" L. (1753), nom. inval. - plant kingdom] see Kingdom Plantae Haeckel (1866) [Class Cryptogamia L. (1753)] [Cryptophyta Link (1824)] [Fungi (Jahn & Jahn, 1959)] [Order Scleromycetes]