Pando is an ancient quaking aspen tree (Populus tremuloides ... Some of Pando's stems are more than 130 years old, according to the Forest Service, and the plant should continuously regenerate ...

A recently constructed trail through the Hungry Beech Preserve in Roane County will make it easier for people to enjoy the ...

Some clones are thousands of years old, although individual trees live 150 years ... where the Coconino National Forest has fenced off several hundred acres of aspen, foresters hope the barriers ...

How, after all, could such old trees have survived the ... old growth into a transitional forest—called an ecotone—of black cherry, big-tooth aspen, red maple and white ash.

But not all trees follow that formula. Some form what are called clonal groves: swaths of forest connected ... noticed that most of the aspen trunks are relatively old and when new shoots do ...

A group of botanists has discovered a new species of rainforest tree ... forest reserves surrounded by abandoned croplands, and initial assessments suggest some of them could be up to 3,000 years old.