Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Scorpius veter. - Sco
           (Star system) ν Scorpii
             161158.6-192659 (Star system) ν Scorpii CD
             161159.7-192738 (Star system) ν Scorpii AB