Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Animale Regnum" nom. inval. - animal kingdom] see Kingdom Animalia Linnaeus, 1758
           [Class "Aves" Plinius, nom. inval. - birds] see Class Aves Linnaeus, 1758
             [Order "Anseres" nom. inval.] see Order Anseres Linnaeus, 1758
               [Genus "Anas" nom. inval.] see Genus Anas Linnaeus, 1758
                 1 "Anas fera" nom. inval.
                 2 "Glaucium" nom. inval.
                 3 "Boschas" nom. inval.
                 3.0 ["Anas Domestica" nom. inval.] see Boschas nom. inval.
                 4 "Penelope" nom. inval.
                 5 ["Querquedula" nom. inval.] see Anas querquedula Linnaeus, 1758