Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Plantes" Adans. (1763), nom. vernac. - plants] see Kingdom Plantae Haeckel (1866)
           [Family "Filices" Adans. (1763), nom. inval. - ferns] see Family Filicaceae Juss. (1789), nom. illeg.
             [Section "A Fleurs, appliquées ſous les Feuilles"]
               1 [Genus Thelypteris Adans. (1763), nom. rej.] see Genus Pteris L. (1753)
               2.0 [Genus "Adianton" Hippocrates, nom. inval.] see Genus Adiantum L. (1753)
               3.0 [Genus "Scolopendrion" Teofr., nom. inval.] see Genus Scolopendrium Adans. (1763)
               4 [Genus Ceterac Adans. (1763), nom. rej.] see Genus Asplenium L. (1753)
               6.0 [Genus "Druopteris" Dioscorides, nom. inval.] see Genus Dryopteris Adans. (1763), nom. cons.
               7.0 [Genus "Polypodion" Adans. (1763), nom. null.] see Genus Polypodium L. (1753)