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"
                                     (Biogeographic realm) Oceania
                                       (Ecoregion complex) South Pacific Islands Forests
                                         1.1 (Terrestrial ecoregion) Fiji tropical dry forests (Oceania)
                                         1.2 (Terrestrial ecoregion) Fiji tropical moist forests (Oceania)
                                         2 (Terrestrial ecoregion) Tongan tropical moist forests (Oceania)
                                         3 (Terrestrial ecoregion) Samoan tropical moist forests (Oceania)
                                         4 (Terrestrial ecoregion) Cook Islands tropical moist forests (Oceania)
                                         5 (Terrestrial ecoregion) Society Islands tropical moist forests (Oceania)
                                         6 (Terrestrial ecoregion) Tubuai tropical moist forests (Oceania)
                                         7 (Terrestrial ecoregion) Tuamotu tropical moist forests (Oceania)
                                         8 (Terrestrial ecoregion) Marquesas tropical moist forests (Oceania)