. STOP 32 of 49
American Elm   (Ulmus americana L.)...

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White Elm, Rock Elm, Common Elm, Soft Elm, Swamp Elm

American Elm makes up the greater part of elm lumber and logs. It is known in the wood industry as White Elm. It is the largest and most graceful of the elms. It is a very desirable ornamental tree for street and park planting. Unfortunately, only a few large trees now exist in the Eastern U.S. Most have been killed by Dutch Elm disease, caused by a fungus, Graphium ulmi, and by a phleom necrosis caused by a virus. Advances have been made with clones that exhibit good form and some tolerance to the disease.

Quick ID:

A large beautiful tree up to 120 feet. Leaves simple, alternate, deciduous. Leaf margins coarsely and doubly serrate. Leaf base an inequilateral shape.



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