elm

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American elm trees with bright yellow autumn leaves line a park path, casting dappled shade on the grass and pavement.

Cluster of bright green, serrated leaves of the Slippery elm tree, Ulmus rubra, showing their rough texture and pointed tips.

English elm afflicted with Dutch elm disease

Asian longhorned beetle

Leaves and fruit of the American elm (Ulmus americana).

elm: Media

tree

Images

American elm trees with bright yellow autumn leaves line a park path, casting dappled shade on the grass and pavement.

American elm

American elm (Ulmus americana) trees in a park.

© InStock—iStock/Getty Images

Chinese elm

Chinese elm

Chinese elm (Ulmus parvifolia).

Ptelea

Cluster of bright green, serrated leaves of the Slippery elm tree, Ulmus rubra, showing their rough texture and pointed tips.

slippery elm

Leaves of slippery elm (Ulmus rubra).

© Maneesh Upadhyay/Dreamstime.com

English elm afflicted with Dutch elm disease

English elm afflicted with Dutch elm disease

A to Z Botanical Collection/Encyclopædia Britannica, Inc.

Asian longhorned beetle

Asian longhorned beetle

An adult Asian longhorned beetle (Anoplophora glabripennis) emerging from...

R. Anson Eaglin/USDA APHIS

Leaves and fruit of the American elm (Ulmus americana).

Leaves and fruit of the American elm (Ulmus americana).

Kitty Kahout—Root Resources/Encyclopædia Britannica, Inc.

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