Elm Research Institute
Nonprofit organization dedicated to the restoration of the American elm tree, Ulmus americana. Includes information about Dutch elm disease and the American Liberty elm, a group of cultivars with resistance to this fungal disease.
Saving the American Elm
Information about efforts to restore Ulmus americana to the landscape by developing and planting new disease resistant varieties. Includes photos and links.
Ulmus americana
Covers taxonomy, botanical characteristics, geographic range, uses and values, ecology including fire effects, and management concerns related to Dutch elm disease.
Ulmus americana - American Elm
Fact sheet, illustrated with color photos.
Ulmus americana - American Elm
Detailed information from the U.S. Forest Service.