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.

Aspen, beech, and birch sap seen as small niche, but could have potential for new revenue streams for maple producers.

In the 19th and 20th centuries, many left their marks on the bark of aspen trees as they traveled through, and camped in, groves accompanied by herds of hundreds or thousands of sheep. Their ...