Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [Vegetabilia mycetoidea]
           [Kingdom Protomyci]
             [Circulus Coniomyci] see Class Coniomycetes
               [Linea Entophyta]
                 [Genus Podisoma Link (1809)] see Genus Gymnosporangium R. Hedw. ex DC. (1805)