Native to:
Alabama,
Alaska,
Alberta,
Aleutian Is.,
Arizona,
Arkansas,
British Columbia,
California,
Colorado,
Connecticut,
Delaware,
Idaho,
Illinois,
Indiana,
Iowa,
Japan,
Kamchatka,
Kansas,
Kentucky,
Khabarovsk,
Kuril Is.,
Magadan,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southwest,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Dakota,
Northwest Territorie,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Carolina,
South Dakota,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming,
Yukon
Introduced into:
Korea