Douglas firs (Pseudotsuga menziesii) are beautiful evergreen trees native to the ... rather than the moths are what feed on ...

The class will use images and live samples to help participants quickly identify Idaho's most common native trees, such as ponderosa pine, western larch, Douglas fir black cottonwood and more. " ...

The conference room has evergreen-colored carpet and fluorescent ... the flatheaded borer contributed to the deaths of more than 250,000 Douglas fir trees in this area — more than the four ...