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 are dying and being ...

Eastern cottonwood does range as far west as Montana. That's why it's also known as plains cottonwood. It is, in fact, the state tree of Wyoming, Kansas, and Nebraska.

Hughes said the largest tree in Wyoming, so far, is a plains cottonwood in Albany County that measures 31 feet in circumference.

Having learned, through recent media articles regarding the “need” to remove many cottonwood trees in Holliday Park and other areas of Cheyenne, I was curious about the effort; especially in ...

The trees will include a variety of narrow-leaf cottonwood trees of varying age classes ranging in size from 2 to 3 feet tall.

The discovery of a hybrid population of poplar trees in western Wyoming has provided insight into how natural hybridization informs the evolution of many plant species, according to a team led by ...