This doctor who screencap contains
birch, pohon birch, birch amerika putih, kertas birch, paperbark birch, kano birch, betula cordifolia, betula papyrifera, amerika putih birch, ponderosa, ponderosa pinus, barat pinus kuning, banteng pinus, pinus ponderosa, and pinus kuning barat.
There might also be
hemlock, pohon hemlock, hemlock pohon, gunung hemlock, hemlock hitam, tsuga mertensiana, hitam hemlock, karya mertensiana, mahoni, and pohon mahoni.