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 "Diandria" L. (1735), nom. inval.] see Class Diandria L. (1753), nom. inval.
                     [Order "Diandria Monogynia" L. (1735), nom. inval.] see Order Diandria Monogynia L. (1753), nom. inval.
                       1 ["Corollae regulares"]
                       1.0 ["Flos regularis"] see [unranked] Corollae regulares
                       2 ["Corollae irregulares, fructu angiospermo"]
                       2.0 ["Fl. Irr. Angiosp."] see [unranked] Corollae irregulares, fructu angiospermo
                       3 ["Corollae irregulares, fructu gymnospermo"]
                       3.0 ["Fl. Irr. Gymnosp."] see [unranked] Corollae irregulares, fructu gymnospermo