Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Corona Borealis veter. - CrB
           (Star system) η Coronae Borealis
             152312.3+301716 (Star) η Coronae Borealis A
             152312.3+301716 (Star) η Coronae Borealis B