Natura - nature Universum - universe see [unranked] Mundus Plinius naturalia - natural bodies Vegetabile Regnum nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866) Publicae Monoclinia Affinitas Class Syngenesia L. (1735), nom. inval. see Class Syngenesia L. (1753), nom. inval. Order Monogamia L. (1735), nom. inval. see Order Monogamia L. (1753), nom. inval. Genus Viola nom. inval. see Genus Viola L. (1753)