Natura - nature Universum - universe see [unranked] Mundus Plinius naturalia - natural bodies Vegetabile Regnum nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866) Publicae Monoclinia Diffinitas Indifferentismus Class Hexandria L. (1735), nom. inval. see Class Hexandria L. (1753), nom. inval. Order Hexandria Monogynia L. (1735), nom. inval. see Order Hexandria Monogynia L. (1753), nom. inval. Hexapetalae nudae Genus Tulipa nom. inval. see Genus Tulipa L. (1753)