Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Astra Plinius - celestial bodies
         Universe
           (Supercluster) Virgo-Hydra-Centaurus Supercluster
             (Supercluster) Virgo Supercluster
               (Cluster) Local Group
                 (Galaxy) Milky Way Galaxy veter.
                   (Spiral arm) Orion Arm
                     (Region) Local Bubble
                       Local Interstellar Cloud
                         (Planetary system) Solar System
                           (Planet-satellite system) Earth System
                             (Planet) Earth veter.
                               "spheres" (Earth)
                                 (Sphere) Hydrosphere (Earth) - layer of water
                                   (Region) Great Basin (North America)
                                     (Drainage basin) Mono Lake Basin (California)
                                       (Drainage basin) Rush Creek Basin (California)
                                         (Drainage basin) Reversed Creek Basin (California)
                                           1 (Stream) Reversed Creek (California)
                                           2 (Stream) Fern Creek (California)
                                           2.1 (Lake) Fern Lake (California)
                                           3 (Stream) Yost Creek (California)
                                           3.1 (Lake) Yost Lake (California)
                                           4.1 (Lake) Gull Lake (California)
                                           4.2 (Lake) June Lake (California)