This doctor who screencap contains
sitka cemara, picea sitchensis, sitka spruce, birch amerika putih, kertas birch, paperbark birch, kano birch, betula cordifolia, betula papyrifera, and amerika putih birch.
There might also be
hemlock, pohon hemlock, hemlock pohon, douglas cemara, douglas fir, ponderosa, ponderosa pinus, barat pinus kuning, banteng pinus, pinus ponderosa, and pinus kuning barat.