American elm (Ulmus americana) is a native tree that has had a wide range from the entire eastern states through the Central Plains.
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D000393:Air Pollutants / Q000032:analysis; D009181:Mycoses / Q000150:complications; D010935:Plant Diseases / Q000382:microbiology*; D011058:Pollen / Q000648:ultrastructure; D014197:Trees
D000393:Air Pollutants