This Teen Wolf photo contains
mahogany, mahogany tree, sitka spruce, picea sitchensis, beech, and beech tree.
There might also be
american white birch, paper birch, paperbark birch, canoe birch, betula cordifolia, betula papyrifera, birch, birch tree, ponderosa, ponderosa pine, western yellow pine, bull pine, and pinus ponderosa.