The area's native tree species include deciduous balsam poplar and coniferous spruce and pine.
From the en.wikipedia.org
The forest is primary composed of poplar, hemlock, oak, maple, white pine, and balsam fir.
From the en.wikipedia.org
Passing through long grass and growing vegetation of the Himalayan balsam, the walkers went past a plantation of poplar trees and the willows growing along the river bank.