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
                                   "terrestrial and freshwater ecoregions"
                                     (Bioregion) New World
                                       (Biogeographic realm) Nearctic
                                         "terrestrial ecoregions" (Nearctic)
                                           (Terrestrial ecoregion) Gulf of St. Lawrence lowland forests (Nearctic)
                                             "Canada" (Gulf of St. Lawrence lowland forests)
                                               1 "Quebec" (Canada; Gulf of St. Lawrence lowland forests)
                                               2 "New Brunswick" (Canada; Gulf of St. Lawrence lowland forests)
                                               3 "Prince Edward Island" (Canada; Gulf of St. Lawrence lowland forests)
                                               4 "Nova Scotia" (Canada; Gulf of St. Lawrence lowland forests)