The Spanish Elm tree, also known as Ulmus procera and English Elm, is a deciduous tree that can grow up to 150 feet tall. It is a common urban tree because of its tolerance to pollution and its ornamental value. There are also several synonyms for the Spanish Elm, which include the common Elm, Atinian Elm, Smooth-leaved Elm, and English Elm. These synonyms are typically used interchangeably to describe this magnificent tree, especially in the Eastern United States and continental Europe. Regardless of which name you choose to use, the Spanish Elm continues to be a prominent feature of many urban and natural landscapes worldwide.