Range and Habitat in Illinois
European Mountain Ash is a non-native tree that has naturalized in NE Illinois (see Distribution Map). Outside of cultivation, it is uncommon. This species was introduced to North America from Eurasia as an ornamental landscape tree. Within the state, habitats consist of swamps, bogs, fens, and roadsides. In Eurasia, this tree is often found in mountainous areas with acidic bedrock (e.g., granite).