Reference: Brummitt, R.K. (2001) TDGW - World Geographical Scheme for Recording Plant Distributions, 2nd Edition
- Africa
- Macaronesia
- West Tropical Africa
- Benin, Burkina, Gambia, Ghana, Guinea-Bissau, Guinea, Ivory Coast, Liberia, Mali, Nigeria, Niger, Senegal, Sierre Leone, Togo.
- West-Central Tropical Africa
- Burundi, Central African Republic, Cameroon, Congo, Equatorial Guinea, Gabon, Gulf of Guinea Islands, Rwanda, Zaïre.
- Northeast Tropical Africa
- Chad, Djibouti, Eritrea, Ethiopia, Socotra, Somalia, Sudan.
- East Tropical Africa
- South Tropical Africa
- Angola, Malawi, Mozambique, Zambia, Zimbabwe.
- Southern Africa
- Botswana, Cape Provinces, Caprivi Strip, Lesotho, Namibia, KwaZulu-Natal, Free State, Swaziland, Northern Provinces.
- Western Indian Ocean
- Comoros, Mauritius, Madagascar, Réunion.
- Asia-Temperate
- Middle Asia
- Turkmenistan, Tadzhikistan, Uzbekistan.
- Western Asia
- Arabian Peninsula
- Oman, Saudi Arabia, Yemen.
- China
- China South-Central, Hainan, China Southeast.
- Eastern Asia
- Japan, Nansei-shoto, Ogasawara-shoto, Taiwan.
- Asia-Tropical
- Indian Subcontinent
- Assam, Bangladesh, East Himalaya, India, Nepal, Pakistan, Sri Lanka, West Himalaya.
- Indo-China
- Andaman Islands, Cambodia, Laos, Myanmar, Nicobar Islands, South China Sea, Thailand, Vietnam.
- Malesia
- Borneo, Jawa, Lesser Sunda Islands, Peninsular Malaysia, Maluku, Philippines, Sulawesi, Sumatera.
- Papuasia
- Bismarck Archipelago, Papua New Guinea, Solomon Islands.
- Australasia
- Australia
- Northern Territory, Queensland, Western Australia.
- Pacific
- Southwestern Pacific
- Fiji, Niue, New Caledonia, Tonga, Vanuatu.
- Northwestern Pacific
- Caroline Islands, Marianas.
- Northern America
- Southeastern U.S.A.
- Alabama, Florida, Georgia, Louisiana, North Carolina, South Carolina.
- Mexico
- Mexico Gulf, Mexico Southwest, Mexico Southeast.
- Southern America
- Central America
- Belize, Costa Rica, C. American Pacific Islands, El Salvador, Guatemala, Honduras, Nicaragua, Panama.
- Caribbean
- Bahamas, Cuba, Dominican Republic, Haiti, Jamaica, Leeward Islands, Puerto Rico, Trinidad-Tobago, Windward Islands.
- Northern South America
- French Guiana, Guyana, Suriname, Venezuela.
- Western South America
- Bolivia, Colombia, Ecuador, Peru.
- Brazil
- Brazil West-Central, Brazil Northeast, Brazil Southeast, Brazil North, Brazil South.
- Southern South America
- Argentina Northeast, Paraguay, Uruguay.
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