Earth's largest and oldest organism, the Pando aspen tree in Fishlake National Forest in Utah, is being eaten alive by ...

In fact, they're dusted with tens of thousands of cottony aspen tree seeds. Vaguely similar to dandelion spores, the aspen progeny launch themselves from hundreds of catkins 30 feet up in the air.

However, Populus tremula, as aspen is known in scientific terms, is an important species in our native forests, albeit one that has perhaps suffered more from past deforestation than our other trees.

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 ...