Hawaiian Ecosystems at Risk project (HEAR)

Chromolaena odorata
(Asteraceae)

Christmasbush, Jack in the bush, Siam weed, bitter bush, chromolaena, devilweed, hagonoy, triffid weed

image of Chromolaena odorata image of Chromolaena odorata image of Chromolaena odorata
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HEAR home  >  species info  >  plants  >  Chromolaena odorata (Asteraceae)
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HEAR CLOSING      HEAR CLOSING      HEAR CLOSING

A message from Dr. David Duffy, Pacific Cooperative Studies Unit (PCSU), University of Hawaii (posted 05 November 2012):

Because of a lack of funds, HEAR (www.hear.org) may close as soon as December 15, although there may be enough funds to extend it until February 15. This will mean several things. The web site will be placed on a new server although it is not clear who will pay for the server or for transitioning the site. HEAR data will not be updated. The Pacific Ecosystems at Risk (PIER) (http://www.hear.org/pier/abtproj.htm) site will also become frozen, as will numerous books, reports and papers (http://www.hear.org/). As software evolves we will likely lose the ability to access the data. The various list servers will need new owners, otherwise moderated lists will cease to function altogether, while other lists will not be able to add or delete members. The photo collection (http://www.hear.org/starr/images/?o=plants) will remain accessible, but only through a third party site that will charge for access.

I should point out that we have already lost the original homes of both the Pacific Basin Information Node (PBIN) and Pacific Ecosystems at Risk (PIER) although they have found temporary refuges. Together with HEAR, they represent the corporate memory both here in Hawaii and across the Pacific of efforts to sustain our natural ecosystems and agriculture against problems caused by species alien to the islands. HEAR also serves as the glue that holds the community together, providing information and facilitating communication. I just hope hindsight is kind to this decision.

PLEASE SEND YOUR COMMENTS/SUGGESTIONS TO webmaster@hear.org

Let us know if you have suggestions for additional references to add to this page.


Species description or overview

Chromolaena odorata information from PIER
Information on Chromolaena odorata as relevant to Pacific Islands is provided by the Pacific Island Ecosystems at Risk project (PIER).

Chromolaena odorata description and ecology from GISD (ISSG)
A species description and information about the ecology of Chromolaena odorata as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


Taxonomy & nomenclature

GRIN nomenclature info for Chromolaena odorata
Nomenclatural information about Chromolaena odorata is provided by USDA/ARS/NGRP/GRIN.

Chromolaena odorata information from ITIS
The Integrated Taxonomic Information System ITIS provides authoritative taxonomic information on Chromolaena odorata, as well as other plants, animals, fungi, and microbes of North America and the world.

IPNI nomenclature info for Chromolaena odorata
Nomenclatural information about Chromolaena odorata is provided by The International Plant Names Index (IPNI).


Impacts

Chromolaena odorata (Asteraceae): species information from GCW
Information on Chromolaena odorata as relevant to Pacific Islands is provided by the Global Compendium of Weeds (GCW).

Chromolaena odorata impact information from GISD (ISSG)
Impact information regarding Chromolaena odorata as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


Control methods

Chromolaena odorata management information from GISD (ISSG)
Management information for Chromolaena odorata as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


Biocontrol efforts

Field release of Cecidochares (Procecidochares) connexa Macquart (Diptera:Tephritidae), a non-indigenous, gall-making fly for control of Siam weed, Chromolaena odorata (L.) King and Robinson (Asteraceae) in Guam and the Norther View info about Adobe Acrobat PDF format
Environmental assessment of the release of a gall-forming fly to control Siam weed is provided by USDA APHIS (2002).


Images

Chromolaena odorata images from PIER
Images of Chromolaena odorata provided by the Pacific Island Ecosystems at Risk project (PIER).


Distribution

Invasive species in the Pacific: A technical review and draft regional strategy (2000) View info about Adobe Acrobat PDF format
The status of invasive plants, vertebrates, arthropods, molluscs, and crustaceans, and options for a regional invasive species strategy for the South Pacific are presented in this series of articles from the South Pacific Regional Environment Programme, 2000.

Chromolaena odorata worldwide distribution from GISD (ISSG)
Worldwide distribution information about Chromolaena odorata is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


Books

Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives)
Veitch, C.R. and M.N. Clout (eds.) . 2002. Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives). IUCN SSC Invasive Species Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK. vii + 414pp. ISBN: 2-8317-0682-3.


Full-text articles

Invasive species in the Pacific: A technical review and draft regional strategy
South Pacific Regional Environmental Programme (SPREP). Sherley, Greg (ed.) . 2000. Invasive species in the Pacific: A technical review and draft regional strategy. Apia, Samoa: South Pacific Regional Environment Programme. ISBN: 982-04-0214-X.

Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives)
Veitch, C.R. and M.N. Clout (eds.) . 2002. Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives). IUCN SSC Invasive Species Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK. vii + 414pp. ISBN: 2-8317-0682-3.

Assessing the risks of plant invasions arising from collections in tropical botanical gardens
Dawson, Wayne, Ahmed S. Mndolwa, David F. R. P. Burslem, and Philip E. Hulme. 2008. Assessing the risks of plant invasions arising from collections in tropical botanical gardens. Biodiversity Conservation. Springer Science+Business Media B.V. 2008.

Proceedings of workshop on biological control of native ecosystems in Hawaii
Smith, Clifford W., Julie Denslow, and Stephen Hight (eds.) . 2002. Proceedings of workshop on biological control of native ecosystems in Hawaii. Pacific Cooperative Studies Unit (University of Hawaii at Manoa, Department of Botany) Technical Report 129. 122 pages.

Setting priorities for the biological control of weeds: what to do and how to do it
Myers, Judith H. and Jessica Ware. 2002. Setting priorities for the biological control of weeds: what to do and how to do it. pp. 62-74 in Smith, Clifford W., Julie Denslow, and Stephen Hight (eds). 2002. Proceedings of workshop on biological control of native ecosystems in Hawaii. Pacific Cooperative Studies Unit (University of Hawaii at Manoa, Department of Botany) Technical Report 129. 122 pages. from http://www.botany.hawaii.edu/faculty/duffy/techr/129.pdf accessed 16 March 2008.


Experts

Chromolaena odorata contacts from GISD (ISSG)
Contact information for experts on Chromolaena odorata as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


Other resources

Chromolaena odorata references from GISD (ISSG)
References regarding Chromolaena odorata as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).


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The Hawaiian Ecosystems at Risk project (HEAR) is currently funded by grants from the Hau'oli Mau Loa Foundation and the U.S. Forest Service with support from PCSU (UH Manoa). Historically, HEAR has also received funding and/or support from the Pacific Basin Information Node (PBIN) of the National Biological Information Infrastructure (NBII), PIERC (USGS), the USFWS, HCSU (UH Hilo), and HALE (NPS).

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