Lodgepole pine (Pinus contorta) grows in the Rocky Mountains, from Alaska to northern New Mexico, in the Black Hills and on the Pacific Coast. Poles of this tree were used by Native Americans for ...

Trees, especially pine trees, are in for challenging times. Although pine trees are relatively drought tolerant, ongoing drought, as we’ve experienced in Marin County for several years, has caused ...

Witch's brooms are compact, rounded collections of short needles and small cones. They can sometimes make up the entire leafy crown of a tree. Staff at North Carolina State University are asking for ...