Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Lyra veter. - Lyr
           (Star system) ε² Lyrae
             184422.9+393646 (Star) ε² Lyrae B
             184422.9+393647 (Star) ε² Lyrae A