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Asia-Temperate Caucasus North Caucasus Transcaucasus Middle Asia Kazakhstan Western Asia Iran Asia-Tropical Indian Subcontinent Nepal Europe Eastern Europe East European Russia South European Russia Introduced into Africa Northern Africa Algeria Southern Africa Cape Provinces Asia-Temperate China China North-Central Inner Mongolia Manchuria Middle Asia Kirgizistan Turkmenistan Russian Far East Primorye Siberia Altay West Siberia Yakutskiya Western Asia Turkey Asia-Tropical Indian Subcontinent Assam Bangladesh India Nepal West Himalaya Indo-China Vietnam Australasia Australia South Australia Tasmania Victoria Western Australia New Zealand New Zealand North New Zealand South Europe Eastern Europe Belarus Central European Russia Krym North European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Finland Great Britain Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Kriti Romania Turkey-in-Europe Yugoslavia Southwestern Europe Baleares France Portugal Spain Northern America Eastern Canada Ontario Québec North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska North Dakota South Dakota Wisconsin Northeastern U.S.A. Connecticut Indiana Masachusettes Michigan New Jersey New York Ohio Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Wyoming South-Central U.S.A. New Mexico Southeastern U.S.A. Maryland Southwestern U.S.A. California Nevada Utah Subarctic America Alaska Yukon Western Canada Alberta British Columbia Manitoba Saskatchewan Southern America Brazil São Paulo Southern South America Argentina Northeast Argentina Northwest Argentina South Chile Central