By Aislinn Sarnacki Have you ever noticed how much tree bark varies in texture, color and pattern? If your answer is “no,” I ...

The melting of glaciers in the Rocky Mountains led to a remarkable discovery: a 5,900-year-old whitebark pine forest, including more than 30 dead trees that ... fungus called white pine blister ...

The needles are the primary distinction between other pines, including the red pine with ... paper-like bark. White birch was often used by Indigenous peoples who utilized the tree for ...

The pine is the most widespread tree to receive such protection. It occurs in high-elevation areas of Washington, Oregon, California, Idaho, Montana, Wyoming and Nevada. The tree is primarily ...