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) Northeast (United States)
                                               (Division) New England (United States)
                                                 (State) Maine (United States)
                                                   (County) Androscoggin County (Maine)
                                                   (County) Aroostook County (Maine)
                                                   (County) Cumberland County (Maine)
                                                   (County) Franklin County (Maine)
                                                   (County) Hancock County (Maine)
                                                   (County) Kennebec County (Maine)
                                                   (County) Knox County (Maine)
                                                   (County) Lincoln County (Maine)
                                                   (County) Oxford County (Maine)
                                                   (County) Penobscot County (Maine)
                                                   (County) Piscataquis County (Maine)
                                                   (County) Sagadahoc County (Maine)
                                                   (County) Somerset County (Maine)
                                                   (County) Waldo County (Maine)
                                                   (County) Washington County (Maine)
                                                   (County) York County (Maine)