Ageratum L.

First published in Sp. Pl.: 839 (1753)
This genus is accepted
The native range of this genus is Tropical & Subtropical America.


Native to:

Arizona, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil Southeast, Brazil West-Central, Cayman Is., Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Florida, Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, New Mexico, Nicaragua, Panamá, Texas, Venezuela

Introduced into:

Alabama, Andaman Is., Angola, Argentina Northeast, Argentina Northwest, Assam, Azores, Bahamas, Bangladesh, Belarus, Belgium, Benin, Botswana, Brazil South, Bulgaria, Burkina, California, Cambodia, Cameroon, Canary Is., Cape Provinces, Cape Verde, Caroline Is., Central African Repu, Chad, Chagos Archipelago, China North-Central, China South-Central, China Southeast, Christmas I., Comoros, Congo, Connecticut, Cook Is., East Himalaya, Egypt, Ethiopia, Fiji, France, French Guiana, Gabon, Georgia, Germany, Great Britain, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Haiti, Hawaii, Hungary, India, Italy, Ivory Coast, Jamaica, Jawa, Kazakhstan, Kazan-retto, Kentucky, Kenya, Korea, Krym, KwaZulu-Natal, Laccadive Is., Laos, Leeward Is., Madagascar, Madeira, Malaya, Maldives, Mali, Marianas, Marquesas, Marshall Is., Maryland, Massachusetts, Mauritania, Mauritius, Mississippi, Missouri, Mozambique, Myanmar, Nansei-shoto, Nepal, New Caledonia, New South Wales, New York, Nicobar Is., Nigeria, Niue, Norfolk Is., North Carolina, Northern Provinces, Northern Territory, Ogasawara-shoto, Oman, Pakistan, Palestine, Paraguay, Peru, Philippines, Poland, Portugal, Primorye, Puerto Rico, Queensland, Rodrigues, Réunion, Samoa, Saudi Arabia, Senegal, Seychelles, Society Is., Socotra, South Carolina, South China Sea, South European Russi, Sri Lanka, Sudan, Sumatera, Suriname, Swaziland, Taiwan, Thailand, Togo, Tonga, Transcaucasus, Trinidad-Tobago, Tuamotu, Tubuai Is., Turkmenistan, Turks-Caicos Is., Ukraine, Uruguay, Uzbekistan, Vanuatu, Venezuelan Antilles, Vietnam, West Himalaya, Windward Is., Yugoslavia, Zambia, Zaïre, Zimbabwe


Homotypic Synonyms

Heterotypic Synonyms


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POWO follows these authorities in accepting this name:

  • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Flora of West Tropical Africa

  • —F.T.A. 3: 300.

Flora of Somalia

  • Flora Somalia, Vol 2, (1999) Author: by R.M. Polhill & D. Wiens [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Bremer et al. in Asterac., Clad. & Class.: 649 (1994)
  • M.F. Johnson in Ann. Missouri Bot. Gard. 58(1): 6 (1971)
  • R.M. King & H. Rob., Genera of the Eupatorieae: 142 (1987)
  • Sp. Pl.: 839 (1753)
  • V.S. Sharma in F.R. 98: 557 (1987)

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
Andrews, P.; Bamford, M.; Njau, E.; Leliyo, G. [EN 748] Tanzania K001768991 Yes


  • Flora of Somalia

    • Flora of Somalia
  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
  • Flora of the Cayman Islands

    • Flora of the Cayman Islands
  • Herbarium Catalogue Specimens

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at and
    • © Copyright 2023 World Checklist of Vascular Plants.
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at and
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants.