Native to:
Amur,
Buryatiya,
Cambodia,
China North-Central,
China South-Central,
China Southeast,
Chita,
Hainan,
Inner Mongolia,
Irkutsk,
Japan,
Kamchatka,
Khabarovsk,
Korea,
Kuril Is.,
Laos,
Manchuria,
Myanmar,
Nansei-shoto,
Primorye,
Sakhalin,
Taiwan,
Thailand,
Vietnam,
Yakutskiya
Introduced into:
Alabama,
Albania,
Altay,
Arkansas,
Austria,
Bulgaria,
Central European Russia,
Connecticut,
Czechoslovakia,
Delaware,
District of Columbia,
East European Russia,
Florida,
Georgia,
Germany,
Illinois,
Indiana,
Iowa,
Italy,
Kansas,
Kentucky,
Krym,
Louisiana,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Nebraska,
New Hampshire,
New Jersey,
New York,
North Carolina,
North Caucasus,
North Dakota,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Portugal,
Québec,
Rhode I.,
Romania,
South Carolina,
South Dakota,
South European Russia,
Spain,
Tennessee,
Texas,
Transcaucasus,
Ukraine,
Vermont,
Virginia,
West Virginia,
Wisconsin,
Yugoslavia