As of 2021, there were nearly 23,631 tree species in the Neotropics, the region covering Central and South America. The Neartic and Oceania had the least number of tree species globally. Trees are found in all ecosystems across the world except for the extreme polar regions.
Number of tree species worldwide as of 2021, by biogeographic realm
Characteristic
Tree species richness
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BGCI. (September 1, 2021). Number of tree species worldwide as of 2021, by biogeographic realm [Graph]. In Statista. Retrieved July 22, 2024, from https://www.statista.com/statistics/1261841/species-richness-trees-worldwide-by-biogeographic-realm/
BGCI. "Number of tree species worldwide as of 2021, by biogeographic realm." Chart. September 1, 2021. Statista. Accessed July 22, 2024. https://www.statista.com/statistics/1261841/species-richness-trees-worldwide-by-biogeographic-realm/
BGCI. (2021). Number of tree species worldwide as of 2021, by biogeographic realm. Statista. Statista Inc.. Accessed: July 22, 2024. https://www.statista.com/statistics/1261841/species-richness-trees-worldwide-by-biogeographic-realm/
BGCI. "Number of Tree Species Worldwide as of 2021, by Biogeographic Realm." Statista, Statista Inc., 1 Sep 2021, https://www.statista.com/statistics/1261841/species-richness-trees-worldwide-by-biogeographic-realm/
BGCI, Number of tree species worldwide as of 2021, by biogeographic realm Statista, https://www.statista.com/statistics/1261841/species-richness-trees-worldwide-by-biogeographic-realm/ (last visited July 22, 2024)
Number of tree species worldwide as of 2021, by biogeographic realm [Graph], BGCI, September 1, 2021. [Online]. Available: https://www.statista.com/statistics/1261841/species-richness-trees-worldwide-by-biogeographic-realm/