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 ...

Bark is a compilation of dead cells that are gradually sloughed off as the trunk grows in diameter. It is formed by an amazing, thin layer of cells known as the vascular cambium. Outer bark — the part ...

With bright colors and interesting shapes, unusual tree and shrub bark can add visual interest to winter landscapes. Many types of bark become more distinctive and sought after during winter months.

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 ...

When we're choosing trees to plant in our gardens, lots of factors come into consideration. The tree's eventual size, it's shape, the conditions it needs to grow well, and how much it offers in terms ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

Cedric Pollet has visited an incredible 30 countries over 10 years on a mission to capture the beauty of tree bark on camera. The best of his 20,000 images of trees and bark up close shown in these ...