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) Old World
                                       (Biogeographic realm) Palearctic
                                         (Ecoregion complex) European-Mediterranean Montane Mixed Forests (Palearctic)
                                           1.1 (Terrestrial ecoregion) Pyrenees conifer and mixed forests (Palearctic)
                                           1.2 (Terrestrial ecoregion) Alps conifer and mixed forests (Palearctic)
                                           1.3 (Terrestrial ecoregion) Appenine deciduous montane forests (Palearctic)
                                           1.4 (Terrestrial ecoregion) Dinaric Mountains mixed forests (Palearctic)
                                           1.5 (Terrestrial ecoregion) Rodope montane mixed forests (Palearctic)
                                           1.6 (Terrestrial ecoregion) Carpathian montane conifer forests (Palearctic)
                                           1.7 (Terrestrial ecoregion) Crimean Submediterranean forest complex (Palearctic)
                                           2 (Terrestrial ecoregion) Mediterranean conifer and mixed forests (Palearctic)