Native to:
Nepal,
Pakistan,
West Himalaya
Introduced into:
Altay,
Amur,
Argentina South,
Assam,
Austria,
Baltic States,
Bangladesh,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Russia,
Connecticut,
Czechoslovakia,
Denmark,
East European Russia,
Ethiopia,
Finland,
France,
Germany,
Great Britain,
Hungary,
Idaho,
Ireland,
Irkutsk,
Italy,
Kamchatka,
Khabarovsk,
Krasnoyarsk,
Krym,
Maine,
Manitoba,
Massachusetts,
Michigan,
Montana,
Netherlands,
New Brunswick,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Caucasus,
Norway,
Nova Scotia,
Ontario,
Oregon,
Poland,
Primorye,
Prince Edward I.,
Québec,
Romania,
Sakhalin,
Spain,
Sweden,
Switzerland,
Tasmania,
Ukraine,
Vermont,
Washington,
West Siberia,
Yugoslavia