Athena gazed at the Warrior's broad shoulders as he walked past a black cottonwood.
Willows and alders are followed by black cottonwoods, then Sitka spruce.
The only native deciduous tree which matches the conifers in size is the black cottonwood.
The park is home to what might be the largest black cottonwood in the United States.
Some black cottonwood is scattered among the conifers.
It contains a forest of bigleaf maple, red alder, and black cottonwood.
Along the creeks grow black cottonwood, alder and aspen.
The genome sequence of black cottonwood (Populus trichocarpa) is publicly available.
The land in this area is dominated by black cottonwood, red alder, and Douglas-fir.
Among deciduous trees, the black cottonwood is largest; trembling aspen and paper birch are also prominent.