Researchers have succeeded in constructing, from scattered data, a world map of the diversity of tree species. Climate plays a central role for its global distribution; however, the number of species ...

Brockman, C.F. 1986. Trees of North America: A Guide to Field Identification. Revised Edition. Western Pub. Co., Inc. 280pp. Elias, T.S. 1980. The Complete Trees of ...

Almost any game is improved when played with friends. If you don't have any, well, you can make some. That's why we jumped into some of the most popular multiplayer servers around to find the best, ...

Walking along the banks of a river, through a young forest, or along a city street, there is a tree that stands out from the rest. At first glance it might appear to be just another paper birch, but ...