Less well known is the fact that the bark on many kinds of trees is green and photosynthetic, capturing carbon dioxide and making sugars, which is usually the job of the leaves.

Have you ever paused beneath a towering oak or maple and wondered if that rough, gnarled bark is hiding secrets? What if I told you ... Read more The post What Tree Bark Can Tell You About Local ...

Want to know what's ailing nearby trees? This index of common tree diseases and pathogens can help you identify and prevent further decay.

The longer you let beech bark disease advance, the more lethal it becomes. Learn to spot scale disease quickly to protect your precious beech trees.

When we see something weird growing on tree bark, it is usually algae, lichens, moss, or fungi (or a combination of these). These can be gray, white, green, or even orange.

Sean O'Brien, from the UNH Cooperative Extension, takes a look at how beech leaf disease spreads and the signs to help you ...

That green gunk, it’s called lichens, not mold, not tree rot. Lichens are remarkable, symbiotic organisms that consist of a partnership between a fungus and a photosynthetic partner, often an algae.

Bark beetles may use receptors in their antennae to detect and feast on fungus-infected trees. The Eurasian spruce bark beetle (Ips typographus) – found in Europe, Asia and some parts of Africa ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases.

A: When we see something weird growing on tree bark, it is usually algae, lichens, moss or fungi (or a combination of these). These can be gray, white, green or even orange.