Native to:
North Caucasus
Introduced into:
Afghanistan,
Alaska,
Argentina South,
Austria,
Baltic States,
Belgium,
British Columbia,
Bulgaria,
California,
Canary Is.,
Central European Russia,
Connecticut,
Czechia-Slovakia,
Delaware,
District of Columbia,
East European Russia,
East Himalaya,
France,
Georgia,
Germany,
Great Britain,
Hungary,
Idaho,
Illinois,
Indiana,
Iowa,
Iran,
Ireland,
Irkutsk,
Italy,
Kansas,
Kazakhstan,
Kentucky,
Korea,
Madeira,
Maine,
Maryland,
Massachusetts,
Michigan,
Missouri,
Montana,
Nebraska,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
North Carolina,
North European Russia,
Nova Scotia,
NW. Balkan Pen.,
Ohio,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Poland,
Portugal,
Prince Edward I.,
Québec,
Rhode I.,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Turkmenistan,
Türkey,
Ukraine,
Uzbekistan,
Vermont,
Virginia,
Washington,
West Himalaya,
West Siberia,
West Virginia,
Xinjiang