Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Plantes" Adans. (1763), nom. vernac. - plants] see Kingdom Plantae Haeckel (1866)
           [Family "Gramina" Adans. (1763), nom. inval. - grasses] see Family Gramineae Juss. (1789), nom. cons.
             [Section "Les Avoines" Adans. (1763), nom. vernac.] see Section Avenae Adans. (1763), nom. inval.