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) Clandestinæ Class Cryptogamia L. (1735), nom. inval. see Class Cryptogamia L. (1753) Order Lithophyta L. (1735), nom. inval. see Order Lithophyta Linnaeus, 1758 Genus Acetabulum nom. inval.