Aspen aren't the only trees in trouble in the Rockies. The needles of many spruce and pine trees in Colorado are tinged with red, a sign of bark beetle infestation. The outbreak began in 1996 and ...

While it is not one of the tallest, Pando is the world's largest tree and one of the oldest living organisms, which is one of the reasons it is so fascinating and worth seeing in person. The clonal ...

Populus tremuloides, the quaking aspen of the North American continent, stands as one of the most easily recognized, most beautiful and most admired of all tree species. In order to help ...

Distinguishing between Idaho’s trees can be a daunting task for beginners. Through a combination of images and live samples, a three-hour workshop, "Identifying Idaho’s Trees," will help participants ...