Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Grus Bayer, 1603 - Gru
           213205.9-411045 (Star) ξ Gruis
           215355.7-372154 (Star) γ Gruis
           220606.9-393236 (Star) λ Gruis
           220814.0-465740 (Star system) α Gruis - Al Na'ir
           221536.9-412048 (Star) μ¹ Gruis
           221626.6-413739 (Star) μ² Gruis
           222243.9-455652 (Star system) π¹ Gruis
           222308.0-455543 (Star system) π² Gruis
           222839.2-390755 (Star system) ν Gruis
           222916.2-432944 (Star system) δ¹ Gruis
           222945.5-434458 (Star system) δ² Gruis
           223629.3-403458 (Star) σ¹ Gruis
           223658.8-403528 (Star system) σ² Gruis
           224240.1-465305 (Star) β Gruis
           224330.0-412452 (Star system) ρ Gruis
           224537.9-533001 (Star system) η Gruis
           224833.3-511901 (Star) ε Gruis
           225337.9-483553 (Star) τ¹ Gruis
           225647.8-475809 (Star) τ³ Gruis
           230052.8-524515 (Star) ζ Gruis
           230439.6-535754 (Star) κ Gruis
           230652.8-433114 (Star system) θ Gruis
           230653.6-385332 (Star system) υ Gruis
           231021.6-451448 (Star) ι Gruis
           231809.9-404928 (Star) φ Gruis
           232636.6-524318 (Star) ο Gruis