Ulmus americana
Elm Research Institute, Saving the American Elm, Ulmus americana, Ulmus americana - American Elm, Ulmus americana - American Elm
About Elm Trees
Descriptions of ten species of Ulmus, how to identify different species, basic biology of the genus, and advice on caring for elms in the landscape.
The Return of the Elm
Discusses the status of elms in the U.S. nursery industry in 2000, including the availability of new disease-resistant cultivars of American elm, Asian and European species of horticultural importance, and other production and pathology concerns.
Ulmus rubra
Distribution and Occurrence; Value and Use; Characteristics; Fire Ecology