This Caroline Forbes foto contains
sitka merapikan, sitchensis picea, sitka spruce, and picea sitchensis.
There might also be
american birch putih, birch kertas, paperbark birch, kanu birch, betula cordifolia, betula papyrifera, birch putih amerika, birch kanu, douglas fir, douglas firaun, ponderosa, pain ponderosa, pain kuning barat, lembu pain, ponderosa pinus, ponderosa pine, barat kuning pine, jantan pine, and pinus ponderosa.