Aspen is the only transcontinental broadleaf tree growing from Newfoundland to California and Mexico. Aspen trees tend to have rough bark that ranges in color: greenish or yellowish, grey ...

of cutting off the tree's nutrient supply. "These beetles are the biggest mystery," says Worrall. Before SAD, aspen bark beetles were known to science, but "most entomologists who worked on aspen ...

so carving into one tree can potentially damage multiple trees. Additionally, aspen bark can photosynthesize at 30%-50% of the capability of its leaves, according to the Colorado Native Plant Society.

Their thin bark makes ... other tree systems. They depend on fire to burn back bigger trees, allowing the aspens to spread their roots and spring up on sunnier slopes. Since aspen reproduce ...

It was an aspen tree, not one yet showing off the shiny leaves we seek this time of year. Maybe they would never show. “I saw the orange hue on the bark,” said Korb, who has researched the ...

tree carvings...near Flagstaff ... carved basic messages or elaborate images into the bark of aspen trees in this area. Now the trees are dying, and historians are trying to compile information ...

The design imitates that of an aspen tree, with its many “eyes” embedded in the bark. Studio Gang’s Populus Hotel’s exterior is designed to look like aspen tree bark. (Courtesy Steve Hall ...