Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Triangulum veter. - Tri
           015304.9+293444 (Star system) α Trianguli
           020258.0+331702 (Star system) ε Trianguli
           020932.6+345914 (Star) β Trianguli
           021703.2+341327 (Star system) δ Trianguli
           021718.9+335050 (Star) γ Trianguli