Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Hainan Inner Mongolia Manchuria Qinghai Tibet Xinjiang Eastern Asia Japan Korea Taiwan Middle Asia Kazakhstan Kirgizistan Tadzhikistan Turkmenistan Uzbekistan Siberia Altay Krasnoyarsk West Siberia Western Asia Afghanistan Cyprus East Aegean Is. Iran Iraq Lebanon-Syria Palestine Sinai Turkey Asia-Tropical Indian Subcontinent East Himalaya Nepal Pakistan West Himalaya Indo-China Cambodia Laos Myanmar Vietnam Malesia Malaya Europe Eastern Europe Baltic States Belarus Central European Russia East European Russia Krym North European Russia Northwest European Russia South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Finland Føroyar Iceland Ireland Norway Svalbard Sweden Southeastern Europe Albania Bulgaria Greece Italy Kriti Romania Sicilia Turkey-in-Europe Yugoslavia Southwestern Europe Baleares Corse France Portugal Sardegna Spain Northern America Subarctic America Greenland Introduced into Asia-Temperate Russian Far East Amur Khabarovsk Kuril Is. Primorye Sakhalin Australasia Australia New South Wales Victoria New Zealand New Zealand North New Zealand South Europe Northern Europe Great Britain Ireland Northern America Eastern Canada New Brunswick Ontario Québec North-Central U.S.A. Illinois Iowa Minnesota North Dakota South Dakota Wisconsin Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Hampshire New Jersey New York Ohio Pennsylvania Rhode I. Vermont West Virginia Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Wyoming Southeastern U.S.A. Alabama Delaware Georgia Maryland North Carolina South Carolina Virginia Southwestern U.S.A. Arizona California Nevada Utah Western Canada Alberta British Columbia Manitoba Saskatchewan

Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Hainan Inner Mongolia Manchuria Qinghai Tibet Xinjiang Eastern Asia Japan Korea Taiwan Middle Asia Kazakhstan Kirgizistan Tadzhikistan Turkmenistan Uzbekistan Siberia Altay Krasnoyarsk West Siberia Western Asia Afghanistan Cyprus East Aegean Is. Iran Iraq Lebanon-Syria Palestine Sinai Turkey Asia-Tropical Indian Subcontinent East Himalaya Nepal Pakistan West Himalaya Indo-China Cambodia Laos Myanmar Vietnam Malesia Malaya Europe Eastern Europe Baltic States Belarus Central European Russia East European Russia Krym North European Russia Northwest European Russia South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Finland Føroyar Iceland Ireland Norway Svalbard Sweden Southeastern Europe Albania Bulgaria Greece Italy Kriti Romania Sicilia Turkey-in-Europe Yugoslavia Southwestern Europe Baleares Corse France Portugal Sardegna Spain Northern America Subarctic America Greenland Introduced into Asia-Temperate Russian Far East Amur Khabarovsk Kuril Is. Primorye Sakhalin Australasia Australia New South Wales Victoria New Zealand New Zealand North New Zealand South Europe Northern Europe Great Britain Ireland Northern America Eastern Canada New Brunswick Ontario Québec North-Central U.S.A. Illinois Iowa Minnesota North Dakota South Dakota Wisconsin Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Hampshire New Jersey New York Ohio Pennsylvania Rhode I. Vermont West Virginia Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Wyoming Southeastern U.S.A. Alabama Delaware Georgia Maryland North Carolina South Carolina Virginia Southwestern U.S.A. Arizona California Nevada Utah Western Canada Alberta British Columbia Manitoba Saskatchewan