Northern America 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 Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Jersey New York Ohio Rhode I. Vermont Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Wyoming South-Central U.S.A. New Mexico Texas Southeastern U.S.A. Alabama Arkansas Kentucky Louisiana Maryland Mississippi North Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Nevada Utah Western Canada Saskatchewan Southern America Central America Guatemala Honduras Introduced into Africa Northern Africa Algeria Morocco Asia-Temperate China China North-Central China South-Central China Southeast Inner Mongolia Eastern Asia Korea Middle Asia Kazakhstan Tadzhikistan Turkmenistan Uzbekistan Russian Far East Khabarovsk Primorye Sakhalin Siberia Altay Buryatiya West Siberia Western Asia Iraq Turkey Asia-Tropical Indian Subcontinent West Himalaya Indo-China Vietnam Australasia New Zealand New Zealand South Europe Eastern Europe Belarus Central European Russia East European Russia South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Poland Northern Europe Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Turkey-in-Europe Southwestern Europe France Spain Northern America Subarctic America Yukon Southern America Southern South America Argentina Northeast Western South America Bolivia

Northern America 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 Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Jersey New York Ohio Rhode I. Vermont Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Wyoming South-Central U.S.A. New Mexico Texas Southeastern U.S.A. Alabama Arkansas Kentucky Louisiana Maryland Mississippi North Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Nevada Utah Western Canada Saskatchewan Southern America Central America Guatemala Honduras Introduced into Africa Northern Africa Algeria Morocco Asia-Temperate China China North-Central China South-Central China Southeast Inner Mongolia Eastern Asia Korea Middle Asia Kazakhstan Tadzhikistan Turkmenistan Uzbekistan Russian Far East Khabarovsk Primorye Sakhalin Siberia Altay Buryatiya West Siberia Western Asia Iraq Turkey Asia-Tropical Indian Subcontinent West Himalaya Indo-China Vietnam Australasia New Zealand New Zealand South Europe Eastern Europe Belarus Central European Russia East European Russia South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Poland Northern Europe Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Turkey-in-Europe Southwestern Europe France Spain Northern America Subarctic America Yukon Southern America Southern South America Argentina Northeast Western South America Bolivia