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 Monogynia" L. (1735), nom. inval.] see Order Polyandria Monogynia L. (1753), nom. inval.
                       1 ["Stylus fere nullus"]
                       1.0 ["Calice Caduco"]
                       2 ["Stylus elongatus"]
                       2.0 ["Calice Persistente"]
                       3 ["Calice Tabescente"]