» A Review of Non-Chemical Weed Management    Organic farmers cite weed control as the most significant problem they encounter. This article discusses possible solutions in depth.    http://www.gardenorganic.org.uk/organicweeds/downloads/updated_review.pdf

» Amenity Weed Identification    Photographs of weed species commonly found in the UK and information on herbicides from Bayer Environmental Science.    http://www.bayer-escience.co.uk/amenity_weeds.htm

» California Noxious Weed Control Projects Inventory    A combined government/private/non-profit endeavour to establish a database, accessible through the Internet, containing information on noxious weed control in California.    http://endeavor.des.ucdavis.edu/weeds/

» Environmental Weeds Action Network (EWAN)    A community initiative to tackle the problem of environmental weeds in bushland and waterways in Australia.    http://members.iinet.net.au/~ewan/

» Environmental Weeds in Australia    Brief introduction to some major environmental weeds in Australia, with photos.    http://www.anbg.gov.au/weeds/weeds.html

» Flame Weeding for Agronomic Crops    Article discussing the use of flame weeders to control weeds before or after germination of the crop.    http://attra.ncat.org/attra-pub/flameweed.html

» HDRA Organic Weed Management    This project aims to be a primary resource on weed management for organic farms, reporting on the latest weed information, weeding techniques and weed research.    http://www.gardenorganic.org.uk/organicweeds/

» Identification of Vine Weeds in Florida Citrus    Photographs and identifying features of the commonly occurring climbing weeds.    http://edis.ifas.ufl.edu/HS185

» Integrated Weed Control    Biological products and consulting services for weed management. Montana.    http://www.integratedweedcontrol.com/index.htm

» International Parthenium Research News Group    Resources on this noxious weed for scientists and researchers. Includes a news group, picture gallery, scientists directory, references and links.    http://www.iprng.org/

» International Survey of Herbicide Resistant Weeds    Information about weeds and their identification, control and herbicide resistance. A global collaborative effort.    http://www.weedscience.com

» Iowa State Weed Science    Detailed information and articles covering all aspects of agricultural weed science.    http://www.weeds.iastate.edu/

» King County Noxious Weed List    Weed identification in Washington State, USA.    http://dnr.metrokc.gov/wlr/lands/weeds/weedid.htm

» Management of Problematic Aquatic Weeds in Africa    Information from the FAO on this subject with particular reference to water hyacinth, water lettuce and water fern.    http://www.fao.org/DOCREP/006/Y4270E/Y4270E00.HTM

» National Weeds Strategy - Weeds of National Significance    Australian site promoting key weed policies, regulations, current issues, national initiatives, research, extension training and personnel.    http://www.weeds.org.au/natsig.htm

» New Jersey Agricultural Weed Gallery    Includes brief details, and photographs of the important weeds of NE United States.    http://njaes.rutgers.edu/weeds/

» Noxious Weeds in the US and Canada    Searchable database of the noxious weed lists for all U.S. states and six southern provinces of Canada.    http://invader.dbs.umt.edu/Noxious_Weeds/

» Pacific North West Weed Management Handbook    Information on dealing with weeds found in this region including a weed identification image collection.    http://weeds.ippc.orst.edu/pnw/weeds

» Principles of Sustainable Weed Management for Croplands    Article discussing several alternatives to conventional tillage systems, including allelopathy, intercropping, crop rotations and a weed-free cropping design.    http://attra.ncat.org/attra-pub/weed.html

» Procedures for Weed Risk Assessment    Information from the FAO on what should be done prior to the importation of plants to evaluate the likelihood of them becoming nuisance weeds.    ftp://ftp.fao.org/docrep/fao/009/y5885e/y5885e00.pdf

» Turf Weed Identification    Photographs of weed species that may invade grassland and information on herbicides from Bayer Environmental Science.    http://www.bayer-escience.co.uk/turf_weeds.htm

» UNL Weedscience    This University of Nebraska program conducts research into herbicides and weed types. Page includes list of publications and news.    http://weedscience.unl.edu/

» Virginia Tech Weed Identification Guide    Images and descriptions of many species of terrestrial and aquatic weeds in Virginia.    http://www.ppws.vt.edu/weedindex.htm

» Weed Definitions and FAQs    Information from the NSW Department of Primary Industries in Australia on weeds classed as noxious that need to be eliminated, those that threaten the environment and agricultural weeds.    http://www.dpi.nsw.gov.au/agriculture/pests-weeds/weeds/definition

» Weed Identification    Key and species accounts for 172 species from the University of Illinois.    http://web.aces.uiuc.edu/weedid/

» Weed Management for Developing Countries    Information from the FAO on improved weed management, problem weeds in crop and non-crop situations and management options and perspectives.    http://www.fao.org/DOCREP/006/Y5031E/Y5031E00.HTM

» Weed Research and Information Center    An interdisciplinary collaboration that fosters research in Weed Management and facilitates distribution of associated knowledge for the benefit of agriculture and for the preservation of natural resources.    http://wric.ucdavis.edu/

» Weed Science Society of America    Publishers of Weed Technology, which includes original research on weed biology and control, weed and crop management systems and reports of new problems.    http://www.wssa.net/WSSA/Jobs/

» Weeds Australia    Australian Weeds Committee site promoting key weed policies, regulations, current issues, national initiatives, research, extension training and personnel.    http://www.weeds.org.au/

» Weeds Management    Information on Australian weeds with guides to identification and control.    http://www.agric.nsw.gov.au/reader/weeds

» Weeds Society of Western Australia    Includes scientists, consultants, company representatives, conservationists, other practitioners and members of the public who have an interest in weed management    http://members.iinet.net.au/~weeds/