Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Pisces veter. - Psc
           (Star system) ψ¹ Piscium
             010540.9+212824 (Star) ψ¹ Piscium A
             010541.7+212755 (Star) ψ¹ Piscium B