Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Bootes veter. - Boo
           (Star system) ζ Bootis
             144108.9+134342 (Star) ζ Bootis A
             144108.9+134342 (Star) ζ Bootis B