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) "surface" (Earth)
                                   (Continent) Americas
                                     (Continent) North America
                                       (Mainland) North America
                                         (Mountain Range) North American Cordillera (North America)
                                           (Mountain Range) Pacific Coast Ranges (Alaska, Canada, United States, Mexico)
                                             (Mountain Range) Transverse Ranges (United States: California)
                                               (Mountain Range) San Gabriel Mountains (United States: California)
                                                 (Mountain) Mount Wilson (United States: California)