Researchers found a hidden mathematical rule in tree-like art. Branch thickness follows a predictable ratio, making trees ...

Some 280 acres of once pristine and ecologically-important wetland forest – a mix of oak, maple, hickory, cypress and pine – have disappeared ... areas where every tree is removed are known ...

Lichens produce their own food using sunlight energy and do not feed on the tree bark. The lichen bodies are attached to the outer tree bark and remain on the surface. Their rhizines typically do not ...

River birch (Betula nigra) is a fast-growing, shade tree native to the Mississippi River flood plain in southeastern Minnesota. It is popular for its ornamental peeling bark. As a landscape plant, it ...