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 "Decandria" L. (1735), nom. inval.] see Class Decandria L. (1753), nom. inval.
                     [Order "Decandria Monogynia" L. (1735), nom. inval.] see Order Decandria Monogynia L. (1753), nom. inval.
                       1 ["Stamina declinata"]
                       1.0 ["Stamina Irregularia"]
                       2 ["Stamina erecta"]
                       2.1 ["Stamina Regularia"]
                       2.2 ["Antherae Bicornis"]
                       2.3 ["Calix nullus"]