If you want to impress your friends with your tree knowledge on your next hike, check out the upcoming class from UI ...

27—Rocky Mountain National Park has a long history ... encounters about different tree names. The red spruce and Douglas fir are the same tree, with red spruce being a commonly used name ...

One of the most popular trails in Rocky Mountain National Park during the ... climbs 1,404 feet through ponderosa pine, aspen and Douglas fir forests as it skirts the south side of Deer Mountain.