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 "Hexandria" L. (1735), nom. inval.] see Class Hexandria L. (1753), nom. inval.
                     [Order "Hexandria Monogynia" L. (1735), nom. inval.] see Order Hexandria Monogynia L. (1753), nom. inval.
                       1 ["Corollae trifidae, calyculatae"]
                       1.0 ["Fl. Completus"]
                       2 ["Spatha monophylla"]
                       2.0 ["Fl. Spataceus"]
                       3 ["Hexapetalae nudae"]
                       3.0 ["Fl. Incompl. VI-Petal."]
                       4 ["Monopetalae nudae"]
                       4.0 ["Fl. Incompl. I-Petal."]
                       5 ["Flores calyce instructi (nec corolla trifida)"]
                       5.02 ["Fl. Involucratus"]
                       5.05 ["Fl. Glumosus"]
                       5.11 ["Fl. Apetalus"]