There are about 12 species native to North America ... While edible, as the name implies bitternut hickory tree's nut is not ...

Scientists have found that a mere 30 species of trees in the Cerrado -- the world's largest and most floristically diverse savanna -- account for nearly half of all its trees. The 'hyperdominance' by ...

The Cerrado, stretching across 2 million square kilometers of Brazil, is the largest and most diverse savanna in. It’s often ...