Also known as Populus trichocarpa. The branch of a Black Cottonwood tree, native to western North America.

Branch of Black Cottonwood

Also known as Populus trichocarpa. The branch of a Black Cottonwood tree, native to western North America.

This shows the winter branch of Cottonwood, Populus deltoides, (Keeler, 1915).

Cottonwood Branch

This shows the winter branch of Cottonwood, Populus deltoides, (Keeler, 1915).

Also known as Populus deltoides. The branch of an Eastern Cottonwood, native throughout the eastern, central, and southwestern United States.

Branch of Eastern Cottonwood

Also known as Populus deltoides. The branch of an Eastern Cottonwood, native throughout the eastern,…

Also known as Populus fremontii. The branch of a Fremont Cottonwood tree, native to western North America.

Branch of Fremont Cottonwood

Also known as Populus fremontii. The branch of a Fremont Cottonwood tree, native to western North America.

Also known as Populus angustifolia. The branch of a Narrowleaf Cottonwood tree, native to Great Britain.

Branch of Narrowleaf Cottonwood

Also known as Populus angustifolia. The branch of a Narrowleaf Cottonwood tree, native to Great Britain.

The branch of a Populus wislizeni, a species of cottonwood tree.

Branch of Populus Wislizeni

The branch of a Populus wislizeni, a species of cottonwood tree.

Also known as Populus heterophylla. The branch from a Swamp Cottonwood tree, native to warm regions of North America.

Branch of Swamp Cottonwood

Also known as Populus heterophylla. The branch from a Swamp Cottonwood tree, native to warm regions…