Native to:
Afghanistan,
Alberta,
Altay,
Assam,
Bangladesh,
British Columbia,
China North-Central,
China South-Central,
China Southeast,
Colorado,
East Himalaya,
Greece,
Idaho,
Illinois,
India,
Inner Mongolia,
Iowa,
Iran,
Iraq,
Kansas,
Kazakhstan,
Kirgizstan,
Louisiana,
Manchuria,
Manitoba,
Mexico Northeast,
Michigan,
Minnesota,
Missouri,
Mongolia,
Montana,
Nebraska,
Nepal,
New Mexico,
New York,
North Caucasus,
North Dakota,
Northwest Territories,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Primorye,
Saskatchewan,
South Dakota,
South European Russia,
Tadzhikistan,
Texas,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Turkmenistan,
Ukraine,
Utah,
Uzbekistan,
Vietnam,
Washington,
West Himalaya,
Wyoming,
Xinjiang,
Yakutskiya
Introduced into:
Baltic States,
Czechoslovakia