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Ecoregion complex: Sierra Madre Oriental and Occidental Pine-Oak Forests (Nearctic) (ecological region)
Classification by:

(Sphere) [Biosphere] (Earth) - zone of life
   (Biogeographic realm) Nearctic
     (Ecoregion complex) Sierra Madre Oriental and Occidental Pine-Oak Forests (Nearctic)

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Last updated: 21 Sep 2025