The American Elm, also known as Ulmus americana, is a beautiful tree that is often found in North America. It is known for its tall, graceful branches and striking foliage that changes color with the season. If you are looking for synonyms for the American Elm, you might consider using the term "white elm" or "water elm". These names are also commonly used to refer to the tree species, and they can help to add variety to your writing. You might also consider using more descriptive terms like "stately elm" or "majestic elm" to paint a picture of the tree in your reader's mind.