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Asia-Temperate Caucasus North Caucasus Middle Asia Kazakhstan Western Asia Turkey Europe Eastern Europe Baltic States Belarus Central European Russia East European Russia North European Russia Northwest European Russia South European Russia Ukraine Middle Europe Austria Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Turkey-in-Europe Yugoslavia Southwestern Europe Baleares Corse France Introduced into Europe Middle Europe Belgium Czechoslovakia Northern Europe Finland Northern America Eastern Canada Ontario North-Central U.S.A. Illinois South Dakota Wisconsin Northeastern U.S.A. Connecticut Maine Masachusettes Michigan New Hampshire New Jersey New York Ohio Pennsylvania Rhode I. Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Southwestern U.S.A. California Utah Western Canada British Columbia Southern America Southern South America Argentina Northeast