Africa Macaronesia Azores Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Inner Mongolia Manchuria Qinghai Tibet Xinjiang Eastern Asia Japan Korea Middle Asia Kazakhstan Kirgizistan Tadzhikistan Turkmenistan Uzbekistan Mongolia Mongolia Russian Far East Amur Kamchatka Khabarovsk Kuril Is. Magadan Primorye Sakhalin Siberia Altay Buryatiya Chita Irkutsk Krasnoyarsk Tuva West Siberia Yakutskiya Western Asia Afghanistan Cyprus Iran Iraq Turkey Asia-Tropical Indian Subcontinent India Nepal Pakistan West Himalaya 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 Great Britain 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 Eastern Canada Labrador New Brunswick Newfoundland Nova Scotia Ontario Prince Edward I. Québec North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska North Dakota Oklahoma 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 South-Central U.S.A. New Mexico Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Georgia Kentucky Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Nevada Utah Subarctic America Alaska Aleutian Is. Greenland Northwest Territories Nunavut Yukon Western Canada Alberta British Columbia Manitoba Saskatchewan Introduced into Australasia Australia New South Wales Victoria Southern America Western South America Bolivia

Africa Macaronesia Azores Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Inner Mongolia Manchuria Qinghai Tibet Xinjiang Eastern Asia Japan Korea Middle Asia Kazakhstan Kirgizistan Tadzhikistan Turkmenistan Uzbekistan Mongolia Mongolia Russian Far East Amur Kamchatka Khabarovsk Kuril Is. Magadan Primorye Sakhalin Siberia Altay Buryatiya Chita Irkutsk Krasnoyarsk Tuva West Siberia Yakutskiya Western Asia Afghanistan Cyprus Iran Iraq Turkey Asia-Tropical Indian Subcontinent India Nepal Pakistan West Himalaya 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 Great Britain 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 Eastern Canada Labrador New Brunswick Newfoundland Nova Scotia Ontario Prince Edward I. Québec North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska North Dakota Oklahoma 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 South-Central U.S.A. New Mexico Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Georgia Kentucky Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Nevada Utah Subarctic America Alaska Aleutian Is. Greenland Northwest Territories Nunavut Yukon Western Canada Alberta British Columbia Manitoba Saskatchewan Introduced into Australasia Australia New South Wales Victoria Southern America Western South America Bolivia