Systema naturæ - nature Universum - universe see [unranked] Mundus Plinius naturalia - natural bodies Regnum Vegetabile L. (1735), nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866) Publicæ Monoclinia Diffinitas Indifferentismus Class Icosandria L. (1735), nom. inval. see Class Icosandria L. (1753), nom. inval. Order Icosandria Pentagynia L. (1735), nom. inval. see Order Icosandria Pentagynia L. (1753), nom. inval. 1 Genus Mespilus nom. inval. see Genus Mespilus L. (1753) 2 Genus Pyrus nom. inval. see Genus Pyrus L. (1753) 2.0.1 Genus Malus nom. inval. see Genus Pyrus nom. inval. 2.0.2 Genus Cydonia nom. inval. see Genus Pyrus nom. inval. 3 Genus Spiraea nom. inval. see Genus Spiraea L. (1753)