Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [Vegetabilia mycetoidea]
           [Kingdom Gasteromyci] see Class Gasteromycetes Fr. (1821)
             [Circulus Aërogasteres]
               [Metamorphosis]
                 [Semicirculus Aërogasteres sporomesti] see Suborder Trichospermi
                   [Series Gasteromici efflorescentes] see Section Fuliginoidei
                     3 [Genus Lignydium Link (1809)] see Genus Fuligo Haller, 1768
                     5 [Genus Strongylium Ditmar (1809)] see Genus Reticularia Bulliard, 1788