CHEYENNE — Wyoming’s state tree — the cottonwood — can be found lining the streets of its capital city and towering over older parks. Now, many of the historic trees ...

Down in the canyon cottonwood whispers. A Song of Wyoming for me. ... That's why it's also known as plains cottonwood. It is, in fact, the state tree of Wyoming, Kansas, and Nebraska.

GREEN RIVER -- In the late 19th century, a combination of tie-hacking operations by the Union Pacific Railroad and cattle foraging pretty much depleted the cottonwood stands from the banks ...