Narrowleaf_cottonwood
Populus angustifolia
Species of tree
Populus angustifolia, commonly known as the narrowleaf cottonwood,[2] is a species of tree in the willow family (Salicaceae). It is native to western North America, where it is a characteristic species of the Rocky Mountains and the surrounding plains.[3] It ranges north to the provinces of Alberta and Saskatchewan in Canada and south to the states of Chihuahua, Coahuila, and Sonora in Mexico.[3] Its natural habitat is by streams and creeks between 3,900 to 7,900 feet (1,200 to 2,400 m) elevation.[1][3]