Phylogenies are a fundamental tool for organizing our knowledge of the biological diversity we observe on our planet. But how exactly do we understand and use these devices?

Trees in savannas are usually drought deciduous. Several savanna types associated with differing rainfall patterns, height of the water table and soil depth can be distinguished by their relative ...

WASHINGTON — With nearly 4,000 Cherry Blossom trees across the Tidal Basin, it is easy to look at the collective and get lost in its beauty. But if you find yourself wandering around downtown ...