Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Cancer veter. - Cnc
           (Star system) ζ¹ Cancri
             081212.7+173852 (Star) ζ¹ Cancri A
             081212.7+173852 (Star) ζ¹ Cancri B