Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Crux Royer, 1679 - Cru
           (Star system) γ Crucis - Gacrux
             123109.9-570648 (Star) γ Crucis A
             123116.7-570452 (Star) γ Crucis B