Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Serpens veter. - Ser
           (Star system) δ Serpentis
             153448.1+103215 (Star) δ Serpentis B
             153448.1+103221 (Star) δ Serpentis A