Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [Vegetabilia mycetoidea]
           [Kingdom Nematomyci]
             2 [Circulus Mucedines] see Suborder Mucedines
             3 [Circulus Byssi] see Suborder Byssacei
             4 [Circulus Mucores]