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Africa Northern Africa Algeria Morocco Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Eastern Asia Japan Korea Middle Asia Kazakhstan Western Asia East Aegean Is. Iraq Lebanon-Syria Turkey Europe Eastern Europe Krym Middle Europe Austria Belgium 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 Eastern Canada Labrador New Brunswick Newfoundland Nova Scotia Ontario Prince Edward I. Québec Mexico Mexico Northeast Mexico Northwest 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 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 Yukon Western Canada Alberta British Columbia Manitoba Saskatchewan Introduced into Europe Eastern Europe Central European Russia East European Russia Northwest European Russia Middle Europe Czechoslovakia Netherlands Northern Europe Denmark Finland Great Britain Ireland Norway Sweden