- Continental: Europe
- Regional: Northern Europe
- Denmark, Finland, Great Britain, Ireland, Norway, Sweden (introduced).
- Regional: Middle Europe
- Austria, Belgium, Czechia-Slovakia, Germany, Hungary, Netherlands, Poland, Switzerland (introduced).
- Regional: Southwestern Europe
- Baleares, Corse, France, Portugal, Sardegna, Spain.
- Regional: Southeastern Europe
- Albania, Bulgaria, Greece, Italy, Kriti, North West Balkan Peninsula, Romania (introduced), Sicilia, Türkiye-in-Europe.
- Regional: Eastern Europe
- Krym, Central European Russia, South European Russia, Ukraine (introduced).
- Continental: Africa
- Regional: Northern Africa
- Algeria, Egypt, Libya, Morocco, Tunisia.
- Regional: Macaronesia
- Azores, Canary Islands, Cape Verde, Madeira.
- Regional: West-Central Tropical Africa
- Cameroon, Gulf of Guinea Islands (introduced).
- Regional: Northeast Tropical Africa
- Chad, Djibouti (introduced), Eritrea, Ethiopia, Somalia (introduced).
- Regional: East Tropical Africa
- Kenya, Tanzania (introduced).
- Regional: South Tropical Africa
- Angola, Mozambique, Zimbabwe (introduced).
- Regional: Southern Africa
- Cape Provinces, Lesotho, KwaZulu-Natal, Northern Provinces (introduced).
- Regional: Middle Atlantic Ocean
- Regional: Western Indian Ocean
- Mauritius, Réunion, Rodrigues (introduced).
- Continental: Asia-Temperate
- Regional: Middle Asia
- Kazakhstan (introduced), Turkmenistan, Tadzhikistan, Uzbekistan.
- Regional: Caucasus
- North Caucasus, Transcaucasus.
- Regional: Western Asia
- Afghanistan, Cyprus, East Aegean Islands, Iran, Iraq, Lebanon-Syria, Palestine, Sinai, Türkiye.
- Regional: Arabian Peninsula
- Gulf States, Saudi Arabia, Yemen.
- Regional: China
- China South-Central, Hainan, Inner Mongolia, China North-Central, China Southeast (introduced).
- Regional: Mongolia
- Regional: Eastern Asia
- Korea, Taiwan (introduced).
- Continental: Asia-Tropical
- Regional: Indian Subcontinent
- Assam, Bangladesh, East Himalaya, India (introduced), Nepal, Pakistan, West Himalaya.
- Regional: Indo-China
- Myanmar, Thailand, Vietnam (introduced).
- Regional: Malesia
- Continental: Australasia (introduced)
- Regional: Australia
- Norfolk Islands, New South Wales, Queensland, South Australia, Tasmania, Victoria, Western Australia.
- Regional: New Zealand
- New Zealand North, New Zealand South.
- Continental: Pacific (introduced)
- Regional: Southwestern Pacific
- Regional: South-Central Pacific
- Regional: Northwestern Pacific
- Regional: North-Central Pacific
- Continental: Northern America (introduced)
- Regional: Western Canada
- Alberta, British Columbia.
- Regional: Eastern Canada
- Regional: Northwestern U.S.A.
- Regional: North-Central U.S.A.
- Illinois, Iowa, Kansas, Missouri, Nebraska, Wisconsin.
- Regional: Northeastern U.S.A.
- Connecticut, Maine, Massachusetts, Michigan, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, West Virginia.
- Regional: Southwestern U.S.A.
- Arizona, California, Nevada, Utah.
- Regional: South-Central U.S.A.
- Regional: Southeastern U.S.A.
- Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia.
- Regional: Mexico
- Continental: Southern America (introduced)
- Regional: Central America
- Costa Rica, El Salvador, Guatemala.
- Regional: Caribbean
- Bahamas, Bermuda, Cuba, Dominican Republic, Haiti, Jamaica, Leeward Islands, Puerto Rico, Windward Islands.
- Regional: Western South America
- Regional: Brazil
- Brazil Southeast, Brazil South.
- Regional: Southern South America
- Argentina Northeast, Argentina South, Argentina Northwest, Chile Central, Chile North, Chile South, Juan Fernández Islands, Paraguay, Uruguay.
- Continental: Antarctic (introduced)
- Regional: Subantarctic Islands
- Amsterdam-St.Paul Islands.
References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
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