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"]
                 ["Subordinatio"]
                   [Class "Didynamia" L. (1735), nom. inval.] see Class Didynamia L. (1753), nom. inval.
                     [Order "Gymnospermia" L. (1735), nom. inval.] see Order Gymnospermia L. (1753), nom. inval.
                       1 ["Calyces 5fidi, subaequales"]
                       1 ["Petali Lab. Sup. nullo"]
                       2 ["Calyces bilabiati"]
                       2 ["Petali Lab. Sup. erecto"]
                       2.0 ["Petali Lab. Sup. galeato"]
                       3 ["Petali Lab Sup. concavo"]