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. " ...

Ponderosa pine and Douglas-fir forest in the Payette National Forest, Idaho, nine years after it burned in the 2007 East Zone Complex Fire. Disclaimer: AAAS and EurekAlert! are not responsible for ...

Wind-blasted, north-south oriented ridges and and spines (hence the “Whaleback” name), studded with old limber pine and Douglas fir, fan out through both parks, offering free hikers a plethora ...

Wind-blasted, north-south oriented ridges and and spines (hence the “Whaleback” name), studded with old limber pine and Douglas fir, fan out through both parks, offering free hikers a plethora of ...