Africa East Tropical Africa Kenya Tanzania Uganda Macaronesia Madeira Northeast Tropical Africa Djibouti Eritrea Ethiopia Sudan Northern Africa Algeria Egypt Libya Morocco Tunisia Western Sahara South Tropical Africa Malawi Mozambique Zambia West Tropical Africa Nigeria West-Central Tropical Africa Cameroon Rwanda Zaire Asia-Temperate Arabian Peninsula Oman Saudi Arabia Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Inner Mongolia Manchuria Qinghai Tibet Xinjiang Eastern Asia Korea Middle Asia Kazakhstan Kirgizistan Tadzhikistan Turkmenistan Uzbekistan Mongolia Mongolia Russian Far East Amur Kamchatka Khabarovsk Kuril Is. Magadan Primorye Siberia Altay Buryatiya Chita Irkutsk Krasnoyarsk Tuva West Siberia Yakutskiya Western Asia Afghanistan Cyprus East Aegean Is. Iran Iraq Lebanon-Syria Palestine Sinai Turkey Asia-Tropical Indian Subcontinent Assam Bangladesh East Himalaya India Nepal Pakistan West Himalaya Indo-China Myanmar Thailand Vietnam 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 Poland Switzerland Southeastern Europe Albania Bulgaria Greece Italy Kriti Romania Sicilia Turkey-in-Europe Yugoslavia Southwestern Europe Baleares Corse France Portugal Sardegna Spain Northern America Mexico Mexico Central Mexico Gulf Mexico Northeast Mexico Northwest Mexico Southwest North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska North Dakota Oklahoma South Dakota Wisconsin Northeastern U.S.A. Indiana Ohio Pennsylvania 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 District of Columbia Florida Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Nevada Utah Subarctic America Alaska Aleutian Is. (Doubtful) Northwest Territories Yukon Western Canada Alberta British Columbia Manitoba Saskatchewan Introduced into Africa Macaronesia Azores Canary Is. Asia-Tropical Indo-China Thailand Australasia Australia New South Wales South Australia Western Australia New Zealand New Zealand North New Zealand South Europe Northern Europe Denmark Finland Great Britain Ireland Norway Sweden Northern America Eastern Canada Ontario Northeastern U.S.A. Connecticut Masachusettes Michigan New Jersey New York Rhode I. Vermont Southeastern U.S.A. Delaware Southern America Central America El Salvador Guatemala Honduras Western South America Ecuador

Africa East Tropical Africa Kenya Tanzania Uganda Macaronesia Madeira Northeast Tropical Africa Djibouti Eritrea Ethiopia Sudan Northern Africa Algeria Egypt Libya Morocco Tunisia Western Sahara South Tropical Africa Malawi Mozambique Zambia West Tropical Africa Nigeria West-Central Tropical Africa Cameroon Rwanda Zaire Asia-Temperate Arabian Peninsula Oman Saudi Arabia Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Inner Mongolia Manchuria Qinghai Tibet Xinjiang Eastern Asia Korea Middle Asia Kazakhstan Kirgizistan Tadzhikistan Turkmenistan Uzbekistan Mongolia Mongolia Russian Far East Amur Kamchatka Khabarovsk Kuril Is. Magadan Primorye Siberia Altay Buryatiya Chita Irkutsk Krasnoyarsk Tuva West Siberia Yakutskiya Western Asia Afghanistan Cyprus East Aegean Is. Iran Iraq Lebanon-Syria Palestine Sinai Turkey Asia-Tropical Indian Subcontinent Assam Bangladesh East Himalaya India Nepal Pakistan West Himalaya Indo-China Myanmar Thailand Vietnam 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 Poland Switzerland Southeastern Europe Albania Bulgaria Greece Italy Kriti Romania Sicilia Turkey-in-Europe Yugoslavia Southwestern Europe Baleares Corse France Portugal Sardegna Spain Northern America Mexico Mexico Central Mexico Gulf Mexico Northeast Mexico Northwest Mexico Southwest North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska North Dakota Oklahoma South Dakota Wisconsin Northeastern U.S.A. Indiana Ohio Pennsylvania 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 District of Columbia Florida Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Nevada Utah Subarctic America Alaska Aleutian Is. (Doubtful) Northwest Territories Yukon Western Canada Alberta British Columbia Manitoba Saskatchewan Introduced into Africa Macaronesia Azores Canary Is. Asia-Tropical Indo-China Thailand Australasia Australia New South Wales South Australia Western Australia New Zealand New Zealand North New Zealand South Europe Northern Europe Denmark Finland Great Britain Ireland Norway Sweden Northern America Eastern Canada Ontario Northeastern U.S.A. Connecticut Masachusettes Michigan New Jersey New York Rhode I. Vermont Southeastern U.S.A. Delaware Southern America Central America El Salvador Guatemala Honduras Western South America Ecuador