Africa East Tropical Africa Kenya Uganda Northeast Tropical Africa Djibouti Ethiopia Northern Africa Algeria Morocco Tunisia West Tropical Africa Nigeria West-Central Tropical Africa Rwanda Zaire Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Inner Mongolia Manchuria Tibet Xinjiang Eastern Asia Japan Korea Middle Asia Kazakhstan Kirgizistan Tadzhikistan Turkmenistan Uzbekistan Mongolia Mongolia Russian Far East Amur Kamchatka Khabarovsk Kuril Is. Primorye Sakhalin Siberia Altay Buryatiya Chita Irkutsk Krasnoyarsk Tuva West Siberia Yakutskiya Western Asia Afghanistan East Aegean Is. Iran Lebanon-Syria Palestine Turkey Asia-Tropical Indian Subcontinent 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 Great Britain Ireland Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Sicilia Turkey-in-Europe Yugoslavia Southwestern Europe Baleares Corse France Portugal Sardegna Spain Northern America Eastern Canada New Brunswick Newfoundland Nova Scotia Ontario Prince Edward I. Québec Mexico Mexico Central Mexico Gulf Mexico Northeast Mexico Northwest Mexico Southeast Mexico Southwest 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 Florida Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Nevada Utah Subarctic America Alaska Northwest Territories Nunavut Yukon Western Canada Alberta British Columbia Manitoba Saskatchewan Southern America Brazil Parí Paraní Rio Grande do Sul Minas Gerais São Paulo Central America Honduras Southern South America Argentina Northeast Argentina Northwest Paraguay Western South America Bolivia Colombia Introduced into Australasia Australia New South Wales Tasmania Victoria Northern America Eastern Canada Labrador Pacific North-Central Pacific Hawaii

Africa East Tropical Africa Kenya Uganda Northeast Tropical Africa Djibouti Ethiopia Northern Africa Algeria Morocco Tunisia West Tropical Africa Nigeria West-Central Tropical Africa Rwanda Zaire Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Inner Mongolia Manchuria Tibet Xinjiang Eastern Asia Japan Korea Middle Asia Kazakhstan Kirgizistan Tadzhikistan Turkmenistan Uzbekistan Mongolia Mongolia Russian Far East Amur Kamchatka Khabarovsk Kuril Is. Primorye Sakhalin Siberia Altay Buryatiya Chita Irkutsk Krasnoyarsk Tuva West Siberia Yakutskiya Western Asia Afghanistan East Aegean Is. Iran Lebanon-Syria Palestine Turkey Asia-Tropical Indian Subcontinent 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 Great Britain Ireland Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Sicilia Turkey-in-Europe Yugoslavia Southwestern Europe Baleares Corse France Portugal Sardegna Spain Northern America Eastern Canada New Brunswick Newfoundland Nova Scotia Ontario Prince Edward I. Québec Mexico Mexico Central Mexico Gulf Mexico Northeast Mexico Northwest Mexico Southeast Mexico Southwest 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 Florida Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Nevada Utah Subarctic America Alaska Northwest Territories Nunavut Yukon Western Canada Alberta British Columbia Manitoba Saskatchewan Southern America Brazil Parí Paraní Rio Grande do Sul Minas Gerais São Paulo Central America Honduras Southern South America Argentina Northeast Argentina Northwest Paraguay Western South America Bolivia Colombia Introduced into Australasia Australia New South Wales Tasmania Victoria Northern America Eastern Canada Labrador Pacific North-Central Pacific Hawaii