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 Sporidiiferi]
                     [Order Physomycetes Berk. (1857)]
                       1 [Tribe Mucorini Fr.]