- Continental: Europe (introduced)
- Regional: Northern Europe
- Regional: Southwestern Europe
- Corse, France, Portugal, Sardegna, Spain.
- Regional: Southeastern Europe
- Albania, Greece, Italy, Kriti, Romania, Sicilia, Yugoslavia.
- Regional: Eastern Europe
- Continental: Africa
- Regional: Northern Africa
- Algeria, Libya, Morocco, Tunisia (introduced).
- Regional: Macaronesia
- Azores, Canary Islands, Cape Verde, Madeira (introduced).
- Regional: West Tropical Africa
- Benin, Burkina, Guinea, Nigeria (introduced).
- Regional: West-Central Tropical Africa
- Cameroon, Rwanda, Zaire (introduced).
- Regional: Northeast Tropical Africa
- Eritrea, Ethiopia, Somalia, Sudan (introduced).
- Regional: East Tropical Africa
- Kenya, Tanzania, Uganda (introduced).
- Regional: South Tropical Africa
- Angola, Malawi, Mozambique, Zambia, Zimbabwe (introduced).
- Regional: Southern Africa
- Cape Provinces, Lesotho, Namibia, KwaZulu-Natal, Free State, Swaziland, Northern Provinces (introduced).
- Regional: Middle Atlantic Ocean
- Ascension, St.Helena (introduced).
- Regional: Western Indian Ocean
- Comoros (introduced), Mauritius, Madagascar, Réunion, Seychelles (introduced).
- Continental: Asia-Temperate
- Regional: Caucasus
- North Caucasus, Transcaucasus (introduced).
- Regional: Western Asia
- Cyprus, East Aegean Islands, Iraq, Lebanon-Syria, Palestine, Turkey (introduced).
- Regional: Arabian Peninsula
- Oman, Saudi Arabia, Yemen (introduced).
- Regional: China
- China South-Central, Hainan, China Southeast (introduced).
- Regional: Eastern Asia
- Nansei-shoto, Ogasawara-shoto (introduced), Taiwan.
- Continental: Asia-Tropical
- Regional: Indian Subcontinent
- Assam, Bangladesh, East Himalaya, India, Nepal, Pakistan, Sri Lanka, West Himalaya (introduced).
- Regional: Indo-China
- Andaman Islands, Cambodia, Laos, Myanmar, Nicobar Islands, Vietnam (introduced).
- Regional: Malesia
- Borneo, Jawa, Lesser Sunda Islands, Malaya, Maluku, Philippines, Sumatera.
- Regional: Papuasia
- New Guinea, Solomon Islands.
- Continental: Australasia
- Regional: Australia
- Norfolk Islands (introduced), New South Wales, Northern Territory, Queensland, South Australia, Tasmania, Victoria, Western Australia.
- Regional: New Zealand
- New Zealand North, New Zealand South (introduced).
- Continental: Pacific
- Regional: Southwestern Pacific
- Fiji, New Caledonia, Samoa, Tokelau-Manihiki (introduced), Tonga, Vanuatu, Wallis-Futuna Islands.
- Regional: South-Central Pacific
- Cook Islands, Easter Islands, Tuamotu (introduced).
- Regional: Northwestern Pacific
- Caroline Islands, Marianas (introduced).
- Regional: North-Central Pacific
- Continental: Northern America (introduced)
- Regional: Northwestern U.S.A.
- Regional: Southwestern U.S.A.
- Regional: Southeastern U.S.A.
- Regional: Mexico
- Continental: Southern America (introduced)
- Regional: Central America
- Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama.
- Regional: Caribbean
- Bahamas, Cuba, Dominican Republic, Haiti, Jamaica, Leeward Islands, Puerto Rico, Trinidad-Tobago.
- Regional: Northern South America
- French Guiana, Venezuela.
- Regional: Western South America
- Bolivia, Colombia, Ecuador, Peru.
- Regional: Brazil
- Brazil Northeast, Brazil Southeast, Brazil South.
- Regional: Southern South America
- Argentina Northeast, Chile Central, Chile North, Chile South, Desventurados Islands, Juan Fernández Islands, Uruguay.
- Continental: Antarctic
- Regional: Subantarctic Islands
- Amsterdam-St.Paul Islands (introduced).
References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
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