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Asia-Temperate China China North-Central China South-Central China Southeast Manchuria Eastern Asia Korea Introduced into Asia-Temperate Eastern Asia Japan Middle Asia Turkmenistan Uzbekistan Asia-Tropical Indian Subcontinent Bangladesh Europe Middle Europe Austria Belgium Czechoslovakia Germany Hungary Northern Europe Great Britain Southeastern Europe Bulgaria Italy Romania Southwestern Europe France Northern America North-Central U.S.A. Illinois Missouri Oklahoma Northeastern U.S.A. Connecticut Indiana Masachusettes New Jersey New York Ohio Pennsylvania Rhode I. West Virginia Northwestern U.S.A. Oregon Washington South-Central U.S.A. Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Florida Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Pacific North-Central Pacific Hawaii