American Elm (U.S. National Park Service)

Ulmus americana Jefferson American Elm – Select Trees

American Elm - - Purdue Fort Wayne

Ulmus americana Jefferson American Elm – Select Trees

10 of the least-visited US national parks, US national and state parks holidays

Ulmus americana 'Princeton' ~ Princeton American Elm – King's Sunset Nursery

The Best U.S. National Parks to Visit in the Autumn

Elms Missouri Department of Conservation

Ulmus americana (American elm) Native Plants of North America

Ulmus americana 'Princeton' ~ Princeton American Elm – King's Sunset Nursery

American Elm Central Park Conservancy

Could massive elm trees be a thing again someday?

Ulmus americana 'Valley Forge' - Wikipedia

Forest Service, partners work to restore American elm

Slippery elm trees fall victim to poachers