Western Australia Department of Agriculture (AgWest) Hawaiian Ecosystems at Risk project (HEAR) Global Compendium of Weeds (GCW) Global Compendium of Weeds
Conyza canadensis (Asteraceae)

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Presented here is summary information about the species Conyza canadensis 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 View info about Adobe Acrobat PDF format. For further information--or to report corrections or concerns--contact webmaster@hear.org.

Synonyms/other Latin names: [ see GRIN ]

Status(es) (compiled for below "Data sources"): agricultural weed, cultivation escape, environmental weed, garden thug, naturalised, weed [for definitions, see the GCW introduction View info about Adobe Acrobat PDF format.]

Origin (native to where): [no info]


Data sources:

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.

Importation of Fresh Bananas from the Philippines Technical Information Paper May 2002. BIOSECURITY AUSTRALIA. (Tables 16 & 17 (Weeds))

20% of the species are Asteraceae, 6% are Poaceae, -

ANEXO 1 - Espécies introduzidas em Portugal continental - (I) Invasoras. Legislaçao Nacional Decreto-Lei no. 565/99 de 21-12-1999 (Versao 1 Originária) Decreto-Lei565/9921-12-1999 Ministério do Ambiente Regula a introduçao na natureza de espécies nao indígenas da flora e fauna. Espécies nao indígenas da flora e da fauna 21-12-1999295 fauna, flora, animais domésticos, espécies de fauna ameaçadas, protecçao dos animais, vegetaçao Direito do Ambiente 1999-12-21 S

Acuna, G.J. (1974). Plantas Indeseables en Los Cultivos Cubanos. Academia de Ciencias, Insitituto de Investigaciones de Cuba, Havana.

Alfalfa Weeds of Oklahoma. Oklahoma State University.

Alien species recorded in Poland. Alien Species Polich Database.Wojciech Solarz, Institute of Nature Conservation, Polish Academy of Sciences, Kraków Poland. (Database was prepared for the Polish Ministry of Environment)

Anon (1992). The Grower's Weed Identification Handbook by Family and by Aphabetical Listing. Publication 4030. - Division of Agriculture and Natural Resources, University of California.

Anon, (----). Species introduced in Continental Portugal [Espécies introduzidas em Portugal Continenta]. ICN - Instituto da Conservacao da Natureza.

Auld, B.A. and Medd, R.W. (1992) WEEDS, An illustrated botanical guide to the weeds of Australia. Inkata Press, Melbourne.

Balogh L, Dancza István, Királi G (2005) Actual list of neophytes in Hungary and their classification according to their success. In: Mihály B, Botta-Dukát Z (eds.), Biological invasions in Hungary, invasive plants, 61-92. Természet BUVAR Alapítvány Kiadó, Budapest.

Barker, W.R., R.M.Barker, J.P. Jessop & H.P. Vonow (Eds.) (2005). Census of South Australian Vascular Plants. 5th Edition. J. Adelaide Bot. Gard. Supplement 1. (Botanic Gardens of Adelaide & State Herbarium: Adelaide).

Batianoff, G.N. and Butler, D.W. (2002). Assessment of Invasive naturalized plants in south-east Queensland. Appendix. 1 Plant Protection Quarterly 17, 27-34.

Bernard H. Zandstra (2003). Weed Control Guide for Vegetable Crops. MSU Extension Bulletin E-433 (Revised November 2002). Department of Horticulture, Michigan State University

Biological Diversity of the Guianas (BDG) Guyana; Surinam; French Guiana. The Checklist of the Plants of the Guianas; 2nd Edition (edited by J. Boggan; V. Funk; C. Kelloff; M. Hoff; G. Cremers; & C. Feuillet; 1997) was produced as a cooperative project between the Biological Diversity of the Guianas Program (Smithsonian Institution; Washington; DC USA) and the ORSTOM Herbarium (Cayenne; French Guiana); under the auspices of the Centre for the Study of Biological Diversity (University of Guyana; Georgetown; Guyana). http://www.nmnh.si.edu/biodiversity/checklst.htm weed? [ online info ]

Botha, C. (2001). Common Weeds of Crops and Gardens in Southern Africa. ARC - Grain Crops Institute, South Africa.

Botond, M. & Zoltán, B.D.(eds.) (2004) Biological Invasions in Hungary. Invasive Plants. TermészetBUVAR Alapítvány Kiadó.

Bromilow, C. (1995) Problem Plants of South Africa. Briza Publications, Arcardia, South Africa.

Brundu, G., Brock, J., Camarda, I., Child, L. and Wade, M. (2001) Plant Invasions: Species Ecology and Ecosystem Management. Backhuys Publishers, Leiden, Netherlands.

CALFLORA DATABASE Summaries of geographic distribution, habitat, and lifeform data for the approximately 8400 vascular plant taxa known to be native or naturalized in California, based on published literature as well as specific documented observations.

CHECKLIST OF THE VASCULAR PLANTS OF FINLAND, based on Kurtto, A. & Lahti, T. 1987: Suomen putkilokasvien luettelo (Checklist of the vascular plants of Finland). - Pamphl. Bot. Mus. Univ. Helsinki 11: I.-VI + 1-163. The list includes all the vascular plants found in Finland up to 1987, excluding those only in cultivation (i.e. taxa found during the past few years - mainly casual plants or plants escaping from cultivation are missing, and erroneous records of the 1987 list have not been corrected)

Zhang, Z.P. & Hirota, S. (Eds) (2000). Chinese Colored Weed Illustrated Book. Institute for the Control of Agrochemicals, Ministry of Agriculture, P.R.China, and the Japan Association For Advancement of Phyto-Regulators.



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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. Valid HTML 4.01!