Ageratum houstonianum Mill.

Native to:

Belize, El Salvador, Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest

Introduced into:

Alabama, Assam, Azores, Belarus, Belgium, Benin, Bolivia, Bulgaria, Cameroon, Canary Is., Cape Provinces, Chad, China North-Central, China South-Central, China Southeast, Colombia, Connecticut, Costa Rica, Cuba, East Himalaya, Ecuador, Egypt, Ethiopia, Fiji, Florida, France, Georgia, Germany, Great Britain, Guinea, Hainan, Hawaii, Hungary, India, Italy, Jamaica, Jawa, Kazakhstan, Korea, Krym, KwaZulu-Natal, Madeira, Malaya, Mali, Massachusetts, Mauritius, Myanmar, Nepal, New Caledonia, New South Wales, New York, Nicaragua, North Carolina, Northern Provinces, Pakistan, Panamá, Peru, Philippines, Poland, Portugal, Primorye, Queensland, Society Is., South Carolina, South European Russi, Sri Lanka, Sudan, Sumatera, Suriname, Swaziland, Taiwan, Texas, Transcaucasus, Trinidad-Tobago, Turkmenistan, Ukraine, Uzbekistan, Venezuela, Vietnam, Yugoslavia, Zaïre, Zimbabwe

POWO follows these authorities in accepting this name:

• Balkrishna, A. (2018). Flora of Morni Hills (Research & Possibilities): 1-581. Divya Yoga Mandir Trust.
• Barooah, C. & Ahmed, I. (2014). Plant diversity of Assam. A checklist of Angiosperms and Gymnosperms: 1-599. Assam science technology and environment council, India.
• Ghafoor, A. & al. (2021). Flora of Pakistan 224: 1-310. Department of Botany, University of Karachi, Karachi.
• Ghazanfar, S.A., Edmondson, J.R. & Hind, D.J.N. (eds.) (2019). Flora of Iraq 6: 1-458. Ministry of Agriculture & Agrarian Reform, Baghdad.
• Gosline, G., Bidault, E., van der Burgt, X., Cahen, D., Challen, G., Condé, N., Couch, C., Couvreur, T.L.P., Dagallier, L.M.J., Darbyshire, I., Dawson, S., Doré, T.S., Goyder, D., Grall, A., Haba, P., Haba, P., Harris, D., Hind, D.J.N., Jongkind, & al. (2023). A Taxonomically-verified and Vouchered Checklist of the Vascular Plants of the Republic of Guinea. Nature, scientific data 10, Article number: 327: [1]-[12].
• Kiew, R. & al. (eds.) (2021). Malayan Forest Records 49: 1-403.
• Kotiya, A., Solanki, Y. & Reddy, G.V. (2020). Flora of Rajasthan: 1-769. Rajasthan state biodiversity board.
• Kozhevnikov, A.E., Kozhevnikov, Z.V., Kwak, M. & Lee, B.Y. (2019). Illustrated flora of the Primorsky Territory, Russian Far East: 1-1124. National institute of biological resources.
• Mirek, Z., Piękoś-Mirkowa, H., Zając, A. & Zając, M (2020). Vascular plants of Poland an annotated checklist: 1-526. W. Szafer institute of botany, Polish academy of sciences, Krakow, Poland.
• Muer, T., Sauerbier, H. & Cabrara Calixto, F. (2020). Die Farn- und Blütenpflanzen Madeiras: 1-792. Verlag und Versandbuchhandlung Andreas Kleinsteuber.
• Probatova, N.S. & al. (2006). Flora Rossiĭskogo Dal'nego Vostoka. Dopolneniya i izmeneniya k izdaniyu Sosudistye rasteniya sovetskogo Dal'nego Vostoka t. 1-8 (1985-1996): 1-454. Russian academy of sciences Far Eastern branch.
• Pruski, J.F. (ed.) (2018). Flora Mesoamericana 5(2): 1-608. Universidad Nacional Autónoma de México, México, D.F.
• Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
• Schäfer, H. (2021). Flora of the Azores a field guide: 1-445. Margraf Publishers GmbH.
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
• Werier, D. (2017). Catalogue of the Vascular plants of New York state. Memoirs of the Torrey Botanical Club 27: 1-542.

Catálogo de Plantas y Líquenes de Colombia

• Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Useful Plants of Boyacá Project

• Instituto de Investigación de Recursos Biológicos Alexander von Humbodlt (2014). Plantas alimenticias y medicinales nativas de Colombia. 2567 registros, aportados por: Castellanos, C. (Contacto del recurso), Valderrama, N. (Creador del recurso, Autor), Castro, C. (Proveedor de metadatos), Bernal, Y. (Autor), García, N. (Autor). Versión 11.0. http://i2d.humboldt.org.co/ceiba/resource.do?r=ls_colombia_magnoliophyta_2014
• Kew Medicinal Plant Names Services (MPNS) https://www.kew.org/science/data-and-resources/tools-and-services/medicinal-plant-names-services in The State of the World’s Plants Report–2016. (2016). Royal Botanic Gardens, Kew https://stateoftheworldsplants.org

Kew Backbone Distributions

• (2020). https://www.jstor.org/stable/26958715. epublication.
• Balkrishna, A. (2018). Flora of Morni Hills (Research & Possibilities): 1-581. Divya Yoga Mandir Trust.
• Barooah, C. & Ahmed, I. (2014). Plant diversity of Assam. A checklist of Angiosperms and Gymnosperms: 1-599. Assam science technology and environment council, India.
• Gosline, G., Bidault, E., van der Burgt, X., Cahen, D., Challen, G., Condé, N., Couch, C., Couvreur, T.L.P., Dagallier, L.M.J., Darbyshire, I., Dawson, S., Doré, T.S., Goyder, D., Grall, A., Haba, P., Haba, P., Harris, D., Hind, D.J.N., Jongkind, & al. (2023). A Taxonomically-verified and Vouchered Checklist of the Vascular Plants of the Republic of Guinea. Nature, scientific data 10, Article number: 327: [1]-[12].
• Kiew, R. & al. (eds.) (2021). Malayan Forest Records 49: 1-403.
• Muer, T., Sauerbier, H. & Cabrara Calixto, F. (2020). Die Farn- und Blütenpflanzen Madeiras: 1-792. Verlag und Versandbuchhandlung Andreas Kleinsteuber.
• Probatova, N.S. & al. (2006). Flora Rossiĭskogo Dal'nego Vostoka. Dopolneniya i izmeneniya k izdaniyu Sosudistye rasteniya sovetskogo Dal'nego Vostoka t. 1-8 (1985-1996): 1-454. Russian academy of sciences Far Eastern branch.
• Pruski, J.F. (ed.) (2018). Flora Mesoamericana 5(2): 1-608. Universidad Nacional Autónoma de México, México, D.F.
• Shevtsov, V. (2022). Personal Communication on South European Russia. 1.
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
• Werier, D. (2017). Catalogue of the Vascular plants of New York state. Memoirs of the Torrey Botanical Club 27: 1-542.

Flora of Tropical East Africa

• Agnew, A.D.Q. & Agnew, S., Upland Kenya Wild Flowers, ed. 2: 204 (1994).
• B.L. Rob. in Contr. Gray Herb. 68: 6 (1923).
• B.L. Rob. in Proc. Amer. Acad. Arts 51: 532 (1916)
• C.D. Adams in Flora of West Tropical Africa ed. 2, 2: 287 (1963).
• D.J.N. Hind in Fl. Mascar. 109: 234, t. 81/9 (1993).
• H.M. Burkill, Useful Pl. W. Trop. Afr. ed. 2, 1: 445 (1985).
• Lisowski, Asterac. Afr. Centr.: 477, fig. 96 (1991).
• M.F. Johnson in Ann. Missouri Bot. Gard. 58(1): 21 (1971).
• Mill., Gard. Dict. ed. 8, no. 2 (1768).

Useful Plants and Fungi of Colombia

• Bernal, R., G. Galeano, A. Rodríguez, H. Sarmiento y M. Gutiérrez. (2017). Nombres Comunes de las Plantas de Colombia. http://www.biovirtual.unal.edu.co/nombrescomunes/
• Bernal, R., Gradstein, S.R., & Celis, M. (eds.). (2020). Catálogo de Plantas y Líquenes de Colombia. v1.1. Universidad Nacional de Colombia. Dataset/Checklist. https://doi.org/10.15472/7avdhn
• Burkill HM. (1995). The useful plants of west tropical Africa, Vols. 1-3. The useful plants of west tropical Africa, Vols 1-3.
• Diazgranados et al. (2021). Catalogue of plants of Colombia. Useful Plants and Fungi of Colombia project. In prep.
• Diazgranados, M., Allkin, B., Black N., Cámara-Leret, R., Canteiro C., Carretero J., Eastwood R., Hargreaves S., Hudson A., Milliken W., Nesbitt, M., Ondo, I., Patmore, K., Pironon, S., Turner, R., Ulian, T. (2020). World Checklist of Useful Plant Species. Produced by the Royal Botanic Gardens, Kew. Knowledge Network for Biocomplexity.
• GBIF.org (2021). GBIF species matching tool. https://www.gbif.org/tools/species-lookup
• GRIN (2021). Germplasm Resources Information Network from the United States Department of Agriculture. https://www.ars-grin.gov/
• Instituto de Investigación de Recursos Biológicos Alexander von Humbodlt (2014). Plantas alimenticias y medicinales nativas de Colombia. 2567 registros, aportados por: Castellanos, C. (Contacto del recurso), Valderrama, N. (Creador del recurso, Autor), Bernal, Y. (Autor), García, N. (Autor). http://i2d.humboldt.org.co/ceiba/resource.do?r=ls_colombia_magnoliophyta_2014
• Medicinal Plant Names Services (MPNS) v.10 (2021); http://mpns.kew.org/