Big-tooth aspens can tolerate sandy uplands and high, rocky sites.
en.wikipedia.org In the reserve there are numerous small rivers along which dogwoods, aspens, black poplar and willows grow.
en.wikipedia.org This broad feature is heavily forested with aspen, spruce-fir, ponderosa pine, and pinyon-juniper woodland, and stands in sharp contrast to the arid lowlands encircling it.
en.wikipedia.org Valley trees include white spruce, black spruce, tamarack larch, balsam fir, jack pine, quaking aspen, balsam poplar, and paper birch.
en.wikipedia.org The woodland is dominated by silver birch, with aspen, holly, rowan, sessile oak and wild cherry also present.
en.wikipedia.org