Global Compendium of Weeds
Ageratum conyzoides (Asteraceae)
Presented here is summary information about the species Ageratum conyzoides from the Global Compendium of Weeds, and citations of references to this species as a weed. Definitions of terms are available in the GCW introduction . For further information--or to report corrections or concerns--contact email@example.com.
Synonyms/other Latin names: [ see GRIN ]
Status(es) (compiled for below "Data sources"): agricultural weed, environmental weed, garden thug, naturalised, noxious weed, weed [for definitions, see the GCW introduction .]
Origin (native to where): South America, South America, tropical America, "Mexico, C Amer, S Amer (tropical and subtropical), W Indies", America , tropical America, tropical America, Tropical America , Mexico
EXOTIC WEEDS AND ALIENS. An html page found on the UNDP sponsored Sustainable Development Networking Programme Website - India now being maintained by the ENVIS Secretariat, Ministry of Environment and Forests, Government of India, New Delhi.
Important Weed Species in Crops and Countries. Data stored from 59 developing countries and regularly updated. (Information gathered from FAO regional workshop on weed management HoChiMinh City 1997) Upland Rice (Information kindly provided by Ms Veronique Stevoux (Information kindly provided by Ms Veronique Stevoux) FAO Weed Management, Ricardo Labrada.
Important Weed Species in Crops and Countries. Data stored from 59 developing countries and regularly updated. (Information gathered from previous FAO projects) Information kindly provided by Dr P. Marnotte FAO Weed Management, Ricardo Labrada.
Important Weed Species in Crops and Countries. Data stored from 59 developing countries and regularly updated. (Information gathered from various FAO reports) Information kindly provided by Mrs Sermsiri Kongsaengdao Botany & Weed Science Division DOA Thailand. FAO Weed Management, Ricardo Labrada.
Important Weed Species in Crops and Countries. Data stored from 59 developing countries and regularly updated. (Information gathered in the FAO IPM workshop held in Kathmandou in April 1998) Information kindly provided by Ms D. Jagat Ranjit. FAO Weed Management, Ricardo Labrada.
AgroInformacoes Plantas Daninhas - Brasil (Problematic Plants of Agriculture in Brazil).
rbarium (noxious weed, weed)
State Noxious Weeds of the USA. - State and Federal Composite List of All U.S. Noxious Weeds. USDA, NRCS 1999. The PLANTS database. National Plant Data Center, Baton Rouge, LA 70874-4490 USA. (noxious weed)
This list of invasive plants affecting natural areas in the U.S. (including Hawaii) has been compiled from a wide variety of publications, reports, surveys, and occasional personal observations. Sources of plant lists include the National Park Service and other federal agencies, state and local natural resource and related departments, Exotic Pest Plant Councils and related organizations, The Nature Conservancy, and universities. Sources for each plant listed are provided on the table (a legend for the source code is provided from the REFERENCE(S) header). The current list includes over 1000 plants and is updated as needed. Please contact Jil Swearingen (firstname.lastname@example.org) regarding any errors, omissions or potential additions to the list. (environmental weed)
Wagner, W.L., Herbst, D.R. and Lorence, D.H. (2005). Naturalised Flora of the Hawaiian Islands website. (04/25/2006) (naturalised)
Weber, E. (2003). Invasive Plant Species of the World. A Reference Guide to Environmental Weeds. CABI Publishing, UK. [dist data refers to regions where plant is an environmental weed] (environmental weed)
Green, P. (1994) NORFOLK ISLAND SPECIES LIST. In Flora of Australia, Vol.49, AGPS. Australian Biological Resources Study (Peter Green) (naturalised)
Henderson, L. (2001) Alien Weeds and Invasive Plants. Plant Protection Research Institute & Agricultural Research Council, South Africa. (noxious weed)
Holm, L. G., Pancho, J. V., Herberger, J. P. and Plucknett, D. L. (1979). A Geographical Atlas of World Weeds. John Wiley and Sons NewYork, USA (weed)
HortGuard and GrainGuard Initial Threat List Compilations (agricultural weed)
Introduced (Naturalised) Species to the United States [USDA, NRCS 1999. The PLANTS database. National Plant Data Center, Baton Rouge, LA 70874-4490 USA. ] (naturalised)
John Hosking, NSW Department of Agriculture, Weed Database 30 April 2003 (agricultural weed, naturalised)
Landcare Research New Zealand (2001) Plant Names Database. (naturalised)
List anon. (2002). The Common Weeds of Central Thailand. Weed Science Society of Thailand.
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GCW species list
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This page was created on 13 September 2007 by PT, and was last updated on
04 October 2007
by PT based on data from Rod Randall's Global Compendium of Weeds database dated 24 January 2007.