Native to:
Alabama,
Alaska,
Alberta,
Altay,
Arizona,
Austria,
Baltic States,
Belarus,
British Columbia,
California,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Colorado,
Connecticut,
Costa Rica,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
Dominican Republic,
East European Russia,
East Himalaya,
El Salvador,
Finland,
Florida,
France,
Georgia,
Germany,
Guatemala,
Haiti,
Honduras,
Hungary,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Irkutsk,
Japan,
Kazakhstan,
Kentucky,
Khabarovsk,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Montana,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
Nicaragua,
North Carolina,
North European Russia,
Northwest European Russia,
Northwest Territories,
Norway,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Panamá,
Pennsylvania,
Poland,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Romania,
Sakhalin,
Saskatchewan,
South Carolina,
South Dakota,
South European Russia,
Sweden,
Switzerland,
Taiwan,
Tennessee,
Tibet,
Ukraine,
Utah,
Vermont,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Yakutskiya,
Yugoslavia,
Yukon