Asia-Temperate China China North-Central Xinjiang Middle Asia Kazakhstan Mongolia Mongolia Russian Far East Khabarovsk Siberia Altay Irkutsk Krasnoyarsk West Siberia Europe Eastern Europe Central European Russia East European Russia South European Russia Introduced into Asia-Temperate Eastern Asia Japan Asia-Tropical Indo-China Vietnam Australasia Australia New South Wales Europe Eastern Europe North European Russia Middle Europe Czechoslovakia Germany Northern Europe Denmark Finland Norway Sweden Southeastern Europe Bulgaria Romania Northern America Eastern Canada New Brunswick Nova Scotia Ontario Prince Edward I. Québec North-Central U.S.A. Illinois Iowa Minnesota Wisconsin Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Hampshire New Jersey New York Pennsylvania Vermont Northwestern U.S.A. Idaho Western Canada Alberta British Columbia Manitoba Saskatchewan

Asia-Temperate China China North-Central Xinjiang Middle Asia Kazakhstan Mongolia Mongolia Russian Far East Khabarovsk Siberia Altay Irkutsk Krasnoyarsk West Siberia Europe Eastern Europe Central European Russia East European Russia South European Russia Introduced into Asia-Temperate Eastern Asia Japan Asia-Tropical Indo-China Vietnam Australasia Australia New South Wales Europe Eastern Europe North European Russia Middle Europe Czechoslovakia Germany Northern Europe Denmark Finland Norway Sweden Southeastern Europe Bulgaria Romania Northern America Eastern Canada New Brunswick Nova Scotia Ontario Prince Edward I. Québec North-Central U.S.A. Illinois Iowa Minnesota Wisconsin Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Hampshire New Jersey New York Pennsylvania Vermont Northwestern U.S.A. Idaho Western Canada Alberta British Columbia Manitoba Saskatchewan