Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Regnum Vegetabile" L. (1753), nom. inval. - plant kingdom] see Kingdom Plantae Haeckel (1866)
           [Class Cryptogamia L. (1753)]
             [Order Fungi L. (1753)]
               [Cryptocibotiphori Cothen]
                 [Genus "Tremella" Dill. ex L. (1753), nom. inval.] see Genus Nostoc Vaucher ex Bornet & Flahault (1888)