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) Biosphere (Earth) - zone of life
                                   "geopolitical regions"
                                     (Region) World
                                       (Region) Americas
                                         (Region) North America
                                           (Country) United States (1776-present)
                                             (Region) West (United States)
                                               (Division) Mountain (United States)
                                                 (State) Nevada (United States)
                                                   (Division) Carson City (Nevada)
                                                   (County) Churchill County (Nevada)
                                                   (County) Clark County (Nevada)
                                                   (County) Douglas County (Nevada)
                                                   (County) Elko County (Nevada)
                                                   (County) Esmeralda County (Nevada)
                                                   (County) Eureka County (Nevada)
                                                   (County) Humboldt County (Nevada)
                                                   (County) Lander County (Nevada)
                                                   (County) Lincoln County (Nevada)
                                                   (County) Lyon County (Nevada)
                                                   (County) Mineral County (Nevada)
                                                   (County) Nye County (Nevada)
                                                   (County) Pershing County (Nevada)
                                                   (County) Storey County (Nevada)
                                                   (County) Washoe County (Nevada)
                                                   (County) White Pine County (Nevada)