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)
                                           1 (Mountain Range) Pacific Coast Ranges (Alaska, Canada, United States, Mexico)
                                           2 (Valley) Central Valley (California)
                                           3 (Mountain Range) Nevadan Belt (North America)
                                           4 (Plateau) Columbia Plateau (United States)
                                           5 (Topographic basin) Great Basin (North America)
                                           6 (Plateau) Colorado Plateau (United States: Utah, Colorado, New Mexico, Arizona)
                                           7 (Mountain Range) Laramide Belt (North America)