Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Orion veter. - Ori
           (Star system) λ Orionis - Meissa
             053508.3+095603 (Star) λ Orionis A
             053508.5+095606 (Star) λ Orionis B