This Bruce Willis foto contains
beech, pokok beech, pokok bic, sitka merapikan, sitchensis picea, sitka spruce, and picea sitchensis.
There might also be
mahogani, pokok mahogani, birch, pokok birch, kayu birch pokok, american birch putih, birch kertas, paperbark birch, kanu birch, betula cordifolia, betula papyrifera, birch putih amerika, and birch kanu.