Question: What’s the difference between a popple tree and an aspen? I hear the terms used interchangeably. Answer: Popple (or poplar) are common names for aspen trees because their genus is populus, ...

Armed with chainsaws and pry bars, researchers recently hastened the end for nearly 7,000 mature aspen and birch trees in a large-scale, long-term experiment to glimpse the Great Lakes region's future ...

In mixed stands of aspen and birch subjected to elevated carbon dioxide levels, birch trees increased recent nitrogen acquisition by 68 percent, compared to a 19 percent increase among the aspens.

As part of our Scotland’s Wonderful Wildlife series, Alan Watson Featherstone reveals the many threats faced by Scotland native aspen trees – a species that created the world oldest and largest living ...