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Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Tibet Eastern Asia Taiwan Western Asia Iran Lebanon-Syria Turkey Asia-Tropical Indian Subcontinent Assam East Himalaya India Nepal Pakistan West Himalaya Indo-China Laos Myanmar Vietnam Europe Eastern Europe Krym Middle Europe Switzerland Southeastern Europe Albania Bulgaria Greece Italy Turkey-in-Europe Yugoslavia Southwestern Europe France Spain Introduced into Africa Southern Africa Cape Provinces Free State KwaZulu-Natal Lesotho Northern Provinces Asia-Temperate Eastern Asia Korea Middle Asia Uzbekistan Australasia Australia New South Wales Queensland New Zealand New Zealand North New Zealand South Europe Middle Europe Germany Northern Europe Great Britain Ireland Southwestern Europe Corse Portugal Northern America Eastern Canada Ontario Mexico Mexico Central North-Central U.S.A. Kansas Missouri Oklahoma Northeastern U.S.A. Indiana New York Ohio Pennsylvania Northwestern U.S.A. Oregon Washington South-Central U.S.A. New Mexico Texas Southeastern U.S.A. Alabama Arkansas Florida Georgia Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Utah Western Canada British Columbia Pacific North-Central Pacific Hawaii Southern America Central America Guatemala Southern South America Argentina Northeast Argentina Northwest Western South America Peru