Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["vegetable kingdom"]
           ["Cryptogams"]
             [Class Thallogens Lindl.]
               [Alliance Mycetales Berk. (1857)] see Kingdom Fungi R.T.Moore (1980)
                 ["Suballiance" Fungales Lindl.] see Kingdom Fungi R.T.Moore (1980)
                   [Cohort Sporiferi]
                     [Order Hymenomycetes Fr. (1821)]
                       [Family Hydnei Fr.]