Trees are some of the largest and most widespread organisms on Earth, yet the true number of their species has been an enduring mystery. This lack of knowledge is detrimental to conservation efforts.

National Arbor Day is a very old holiday, dating back to 1872 in Nebraska. That’s what fifth grade students at Granville Intermediate School learned during an assembly on April 25. A tradition at the ...

Researchers have found almost identical patterns of tree diversity across the world's tropical forests. The study of over one million trees across 1,568 locations found that just 2.2% of tree species ...

The reason why so many tree species can coexist in species-rich forests has long been a subject of debate in ecology. This question is key to understanding the mechanisms governing the dynamics and ...

Gregory Moore does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

If you liked this story, share it with other people. Of the more than 4,000 known tree species found only in Mesoamerica, nearly half are threatened with extinction, according a new assessment.