0 a tree of the poplar family, with leaves that shake even when there is only a little wind:
On our walk along the river we passed thundering waterfalls and quivering aspens.
Trichopteran communities of streams associated with aspen and conifer forests: long-term structural change.
Two of the others, the aspen and silver birch in particular, are extremely fast-growing species.
He includes the aspen, but not the lombardy, and the serotina poplar is omitted.
Plant communities include sagebrush shrubland, quaking aspen and lodgepole pine forests, willow carr and marsh.
Valley trees include white spruce, black spruce, tamarack larch, balsam fir, jack pine, quaking aspen, balsam poplar, and paper birch.
The landscape is a patchwork of wetlands, pine forest, aspen groves, and sagebrush.
Some greenway areas have cottonwood, aspens, and willow groves.
The larvae feed on common lilac, green ash, poplar, aspen, cottonwood and trembling aspen.
