Native to:
Alaska,
Alberta,
Aleutian Is.,
Arizona,
Arkansas,
Assam,
British Columbia,
California,
China North-Central,
China South-Central,
China Southeast,
Colorado,
Connecticut,
Delaware,
District of Columbia,
East Himalaya,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Japan,
Kamchatka,
Korea,
Krym,
Labrador,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Northeast,
Michigan,
Minnesota,
Montana,
Myanmar,
Nebraska,
Nepal,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Dakota,
Northwest Territories,
Nova Scotia,
Nunavut,
Ohio,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Primorye,
Prince Edward I.,
Qinghai,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Dakota,
Tennessee,
Tibet,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming,
Yukon
Introduced into:
Central European Russia,
East European Russia,
Northwest European Russia