Native to:
Alberta,
British Columbia,
California,
Connecticut,
Idaho,
Maine,
Massachusetts,
Minnesota,
Montana,
Nevada,
New York,
Ontario,
Oregon,
Québec,
Vermont,
Washington,
Wisconsin
Introduced into:
Argentina South,
Austria,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Chile South,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Hungary,
Illinois,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Labrador,
Maryland,
Mongolia,
Netherlands,
New South Wales,
New Zealand North,
New Zealand South,
Newfoundland,
North European Russi,
Northwest European R,
Norway,
Pakistan,
Poland,
Romania,
South Australia,
South European Russi,
Sweden,
Switzerland,
Transcaucasus,
Ukraine,
Victoria,
West Siberia,
Yugoslavia