The aspen tree (Populus tremuloides) is the most widely distributed tree species in North America, ranging from Alaska to Newfoundland and down the Rocky Mountains to Mexico. Utah and Colorado ...

For 30 years, Aspen has held the title of Tree City USA, one granted by the Arbor Day Foundation to communities that meet four requirements: The city must maintain a tree board or department, meaning ...

A single aspen clone often covers less than an acre, but sometimes more—even much more. Sometimes a tree is its own forest. In south-central Utah, up near 9,000 feet on the Colorado Plateau ...

While aspen are susceptible to threats like heat and insects, they are hearty in other ways. They are sun-loving trees that can thrive even when human activity like logging disrupts other tree ...

This wound leaves open the possibility of diseases or pests entering the tree,” the Leave No Trace website said. Aspen trees are particularly vulnerable because they are linked together ...

An initiative to save one of Scotland's most endangered species of tree has been launched in the Cairngorms National Park. Aspen provides a vital habitat for rare wildlife, plants and fungi and is ...

However, aspen also has the ability to send up new young shoots, or suckers, off the root system of an established tree, sometimes up to 30 metres away, if the tree is large.

Aspens are one of Scotland's rarest and most important trees An initiative to save one of Scotland's most endangered species of tree has been launched in the Cairngorms National Park. Aspen ...