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
                                         "Mexico" (North America; mainland)
                                           1.280000N1133000W (Peninsula) Baja California (Mexico)
                                           2.190150N0971606W (Volcano) Volcán Pico de Orizaba (Mexico: Veracruz, Puebla)
                                           3.170000N1000000W (Mountain Range) Sierra Madre del Sur (Mexico: Guerrero)