Native to:
Albania,
Assam,
Bulgaria,
China North-Central,
China South-Central,
China Southeast,
East Himalaya,
France,
Greece,
India,
Iran,
Italy,
Krym,
Laos,
Lebanon-Syria,
Myanmar,
Nepal,
North Caucasus,
Pakistan,
Spain,
Switzerland,
Taiwan,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Vietnam,
West Himalaya,
Yugoslavia
Introduced into:
Alabama,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
British Columbia,
California,
Cape Provinces,
Corse,
Florida,
Free State,
Georgia,
Germany,
Great Britain,
Guatemala,
Hawaii,
Indiana,
Ireland,
Kansas,
Korea,
KwaZulu-Natal,
Lesotho,
Louisiana,
Maryland,
Mexico Central,
Mississippi,
Missouri,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
North Carolina,
Northern Provinces,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Portugal,
Queensland,
South Carolina,
Tennessee,
Texas,
Utah,
Uzbekistan,
Virginia,
Washington