Native to:
Alabama,
Alaska,
Alberta,
Aleutian Is.,
Arkansas,
British Columbia,
China North-Central,
China South-Central,
China Southeast,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Florida,
Georgia,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Japan,
Kansas,
Kentucky,
Korea,
Labrador,
Louisiana,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Tennessee,
Texas,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming