Trees in winter

This Nature's Seasons wallpaper contains faggio, ponderosa, ponderosa pino, pino giallo occidentale, toro pino, ponderosa pinus, pino di ponderosa, bull pino, pinus ponderosa, sitka, sitchensis picea, sitka spruce, and picea sitchensis. There might also be betulla, americano betulla bianca, carta betulla, paperbark betulla, canoe betulla, betula cordifolia, betula papyrifera, betulla bianca americana, betulla paperbark, canoa betulla, and abete di douglas.