Ageratum L.

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

Distribution

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 Republic, Chad, Chagos Archipelago, China North-Central, China South-Central, China Southeast, Christmas I., Comoros, Congo, Connecticut, Cook Is., DR Congo, East Himalaya, Egypt, Eswatini, 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, North Caucasus, Northern Provinces, Northern Territory, NW. Balkan Pen., 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 Russia, Sri Lanka, Sudan-South Sudan, Sumatera, Suriname, 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., Zambia, Zimbabwe

Synonyms

Homotypic Synonyms

Heterotypic Synonyms

Classification

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PAFTOL

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 Iraq

  • D. J. Nicholas Hind (2019). Flora of Iraq, Volume 6: Compositae. Ghazanfar, S. A., Edmondson, J. R. & Hind, D. J. N. (Eds). Kew Publishing
  • Hind & Robinson in Kubitzki, Fam. Gen. Vasc. Pl. 8: 522 [2006] (2007)
  • Johnson, M.F. (1971). A monograph of the genus Ageratum L. (Compositae-Eupatorieae). Ann. Missouri Bot. Gard. 58(1): 6–88 (1971).
  • L. Gen. Pl. ed. 5: 363 (1754)
  • L. Sp. Pl. ed. 1: 839 (1753)
  • Reveal, F.R. & Jarvis, C.E. (2009). Proposal to conserve the name Ageratum conyzoides (Asteraceae) with a conserved type.” Taxon 58(3): 1011. (2009).
  • Sharma, V.H. (1987). Comments on the identity of Ageratum conyzoides L., and A. houstonianum Mill. – two naturalized weeds in India. Feddes Repert. 98(11–12): 557–560.

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?
Rodriguez, D.; Gómez, J.A. [DR-05029] El Salvador K002897194 Yes
Andrews, P.; Bamford, M.; Njau, E.; Leliyo, G. [EN 748] Tanzania K001768991 Yes
[C. Frank] [s.n.] United States K002897017 Yes
King, R.M.; Villarreal-Quintanilla, J. [10378] Mexico K002897193 Yes
Abbe, L.B.; Abbe, E.C.; Chandapilla, M.M.; Kadim b.Tassim [9038] Malaysia K003705117 No

Sources

  • Flora of Iraq

    • Ghazanfar, S. A., Edmondson, J. R. (Eds). (2013-2019). Flora of Iraq, Volumes 5.1, 5.2 and 6.0. Kew Publishing
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Flora of Somalia

    • Flora of Somalia
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Flora of the Cayman Islands

    • Flora of the Cayman Islands
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0