This Legolas Greenleaf photo contains
sitka spruce, picea sitchensis, douglas fir, american white birch, paper birch, paperbark birch, canoe birch, betula cordifolia, and betula papyrifera.
There might also be
birch, birch tree, ponderosa, ponderosa pine, western yellow pine, bull pine, pinus ponderosa, mountain hemlock, black hemlock, and tsuga mertensiana.