Learn how to identify the aspen tree in the forest, as well as facts about the tree's habitat, ... 32 Common Tree Diseases. Use Needles to Identify Common North American Coniferous Trees.

The city of Aspen announced Tuesday an increase in early leaf drop of some cottonwood trees due to a surge in fungal diseases. The primary fungus causing damage is Septoria, which is a common foliar ...

Discover the major common tree diseases in the United States. Armillaria attacks both hardwoods and softwoods and causes either yellowing leaves or browning needles. Wood that is decaying from ...

Quaking or trembling aspen is a short-lived (50 years), fast-growing, medium-sized tree. It seldom exceeds 60 feet in height and 20 inches in diameter. Although it has some good ornamental ...

When a tree is carved into, this protective layer is broken, leaving an open wound, similar to us getting a cut on our skin. This wound leaves open the possibility of diseases or pests entering ...

Some aspen trees have grayish-white bark when they are young or on higher ... like cattle and deer, are eating too much, while other theories suggest insects or fungus are attacking the tree.

The fungus’s rhizomorphs—black, ropy, root-like growths—can snake through the soil for many meters, sniffing for vulnerable trees. Once the fungus finds a suitable host—just about any tree ...

A late March ice storm hit 12 counties in northern Michigan, downing or damaging three million acres of trees. The state's ...

However, Populus tremula, as aspen is known in scientific terms, is an important species in our native forests, albeit one ...

In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the Quaking Aspen. This species is found in the North Woods of Northern Wisconsin, Northern Indiana, and the Upper ...

The Kebler Pass aspen stand covers the equivalent of just over 100 football fields, with over 47,000 aspen trees, populus tremuloides, connected by a single, subterranean root system called a rhizome.

Aspen trees can thrive in a variety of conditions including sandy soil, gravel, dry grasslands and elevations from 6,500 feet to 11,500 feet. But one thing they cannot go without is abundant sunshine.