Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Vegetabile Regnum" nom. inval. - plant kingdom] see Kingdom Plantae Haeckel (1866)
           ["Publicae"]
             ["Monoclinia"]
               ["Diffinitas"]
                 ["Indifferentismus"]
                   [Class "Polyandria" L. (1735), nom. inval.] see Class Polyandria L. (1753), nom. inval.
                     [Order "Polyandria Digynia" L. (1735), nom. inval.] see Order Polyandria Digynia L. (1753), nom. inval.
                       1 [Genus "Heliocarpus" nom. inval.]
                       2 [Genus "Paeonia" nom. inval.] see Genus Paeonia L. (1753)
                       3 [Genus "Calligonum" nom. inval.] see Genus Calligonum L. (1753)
                       n.0 [Genus "Guanabanus" C. Plumier, nom. inval.] see Genus Anona nom. inval.