Scientific name
Ulmus americana
The American elm is a tree which can grow up to 100 feet tall. It is found over much of the eastern United States, as far north as Maine and as far south as Texas. Its range extends west into Montana and Wyoming. The flowers of the American elm emerge before the leaves, so keep a close eye on them in the spring. The flowers are small and purplish-brown in color.

Scientific name
Ulmus parvifolia
The Chinese elm, as the name suggests, is native to China and other eastern countries. It is also known as the Lacebark elm. This tree can grow to between 30 and 60 feet tall. The Chinese elm is often found in harsh landscape environments such as parking lots and along streets. An interesting fact is that it is also popular as a bonsai plant.

Scientific name
Zelkova serrata
Japanese zelkova trees are often used as ornamental street trees. They are highly resistant to Dutch elm disease, so they are sometimes used in place of American elms. These trees can grow to 100 feet tall and are highly branched with short main trunks. Their growth form also makes them popular in the art of bonsai. The flowers are yellow-green and inconspicuous. The fruits are small green drupes that turn brown when ripe.