This Kristen Stewart photo contains
common bamboo, bambusa vulgaris, ponderosa, ponderosa pine, western yellow pine, bull pine, pinus ponderosa, sitka spruce, and picea sitchensis.
There might also be
douglas fir, american white birch, paper birch, paperbark birch, canoe birch, betula cordifolia, betula papyrifera, mahogany, and mahogany tree.