Lichens survive in a very wide range of habitats worldwide. Amazingly, more than 400 species can be found in Maryland.

Every garden is a thing of beauty in the growing seasons — spring bulbs, summer flowers and fall foliage all carry on with extravagance. But winter is coming, so the colorful garden superstars will ...

When we think of bark on a tree, we tend to compare it to the skin of a human. The primary function of both bark and skin is to protect the material within and beneath it. In Grade 7, we learned that ...

Flowers provide color and texture. So does foliage. What is less often considered is that the bark of many trees and large shrubbery can be aesthetically appealing as well. Bark is usually thought of ...

The seasons are changing from fall to winter, and one of the major changes to the environment is that the deciduous trees have lost their leaves. Evergreen trees may still have green needles, but all ...

Trees with smoother bark are better at repelling attacks by mountain pine beetles, which have difficulty gripping the slippery surface, according to a new study. Trees with smoother bark are better at ...

Winter is beautiful in its own pale ways, but when lush, leafy trees suddenly stand bare and stark against gray skies, an ...