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Welcome to International Environmental Weed Foundation (IEWF)
    and Restoring Natural Capital Alliance (RNC Alliance) Pacific website.

Last updated September 2015. What's new? Some plants with berries are spread into our bushland and gardens as weeds by birds - learn more from our new Berry Berry Bad Plant brochure here (399 kb). This brochure can also be found on our Resources page.

Our aim is to educate about the impacts of weeds on our natural environment, to restore degraded ecosystems, improve native habitat and improve the natural function of urban landscapes.

One of our projects is the Habitat Network, an example of Restoring Natural Capital in the urban environment. See our Habitat Network website www.habitatnetwork.org where you can find out about conserving and creating habitat for small birds and other native animals. In May 2011 this project won awards from Sydney Metropolitan Catchment Management Authority - a 1st (shared) Innovation Award and a Highly Commended for Urban Landcare. In 2012 we opened a community native plant nursery and community food garden in Ryde in order to further this project. We continue to work with several Councils to enhance habitat corridors.

Weed identification

For quick and easy identification of common garden weeds, potentially invasive plants and environmental weeds go to Web Weed Lookup. Also find out more about what weeds are, how they are spread and how to control them. You will find lots of weed identification photos to help identify common weeds. If you have quality weed photos to contribute please email them to info@iewf.org with details of scientific name and location where found.

November 2014 a new publication "Noxious and Environmental Weed Control Handbook" is available from NSW Departement of Primary Industries here.

Please use our brochure, useful for anyone involved in weed removal (bush regenerators, bushcare volunteers and all gardeners), to highlight how some weeds are being used as habitat and the need to regenerate or restore native replacement habitat before these weeds are removed: Weed removal & habitat - Before you start...look, listen & consider. (432 KB)

Invasive vine control

To raise awareness of invasive vines in gardens and bushland the following brochure has been produced in English and Mandarin with assistance from Ryde and Hunter's Hill Councils, Tzu Chi Foundation Australia and Sydney Metropolitan Catchment Management Authority:

Do you have aliens in your yard? (Download 2.66 MB)
園中有受外來植物侵佔嗎? (Download 2.87 MB)

"The introduced flora of Australia and its weed status" publication

An introduction by Rod Randall ex Cooperative Research Centre for Australian Weed Management and currently the Department of Agriculture and Food, Western Australia:

"This publication is the outcome of a Cooperative Research Centre for Australian Weed Management project, and is aimed at a large range of users from Commonwealth, state and local government officers, to researchers, horticulturists, nursery owners, farmers, landscapers, consultants, groups of volunteers looking after remnant bushland to home gardeners. Everyone who uses plants needs to be aware of the weed potential of those plants and to be able to make informed decisions about which ones to use in their operations. I hope to see a time, and not that far away, where the use of weedy plant species will no longer be accepted in public and private plantings in Australia. This publication is offered to help people to make responsible decisions in the types of plants they use in the future."

Download "The introduced flora of Australia and its weed status" (3.12 MB)

"Weed Detection and Control on Small Farms" publication - April 2010

This booklet developed by University of New England, is available for free download below. It seeks to describe 'best practice' principles for detecting and controlling weeds on Australian farms, most appropriate to lifestyle or hobby farm owners. It discusses the importance of controlling weeds, the principles of weed detection (where and when to look for weeds on the farm, how to identify an unknown plant and what to do when a new weed outbreak is found), weed control responsibilities and methods appropriate to small farm owners, guidelines for responsible herbicide use and accreditation, and available weed control assistance.

Download "Weed Detection and Control on Small Farms" (1.79 MB)

For more information please email Michael Coleman at mcolema8@une.edu.au or Brian Sindel at bsindel@une.edu.au

Weeds CRC Australia - link to archived website

A wealth of weeds information can be found on the archived Weeds CRC website. The Weeds CRC was functional from 1995-2008.

Restoring Natural Capital (RNC)

Restoration of Natural Capital (RNC) involves any activity that invests in the replenishment (improved quality) of natural capital (native flora & fauna, biodiversity, water, soils, air and sustainable land use) and as a result improves the flows of ecosystem goods and services for the benefit of people and the environment. Read more about Restoring Natural Capital.

Habitat Network - an urban RNC project

The Habitat Network project aims to extend habitat and reconnect isolated populations of small native birds, which are being lost from our urban areas. By recreating native plant connections we will improve the ability of our native birds, animals and plants to survive.

Follow this link to find out more about the Habitat Network and to visit the Habitat Network website. You will find brochures, resources and links related to habitat creation. Our brochures and documents can be downloaded and used by schools or for community projects. Find out about the science behind this project and what you can do.


Restoring Natural Capital environmental PowerPoint presentation is available for Australian primary schools.

This colourful and informative PowerPoint presentation (including script) covers many facets of the current primary curriculum. It explains what is natural capital, how we are losing our natural capital and gives many simple examples of what can be done to improve our local environment. It also talks about the importance of native habitat and encourages the creation of a habitat area in your school grounds to link into a habitat network. To get a copy of this presentation simply email info@iewf.org. We can send you a link from which to download the presentation. Please provide the name of your school and location for our records.

Community nursery and garden

If you are interested in getting involved in our community native plant nursery, a community vegetable garden or habitat projects in Ryde - Hunter's Hill, NSW please contact us at info@iewf.org.

Know Your Gardens Natives

To find that hidden native garden in your own backyard visit Know your garden's natives website.

Help us by making a tax deductible donation

All donations made in Australia are tax deductible as we are a registered environmental organisation, see Register of Environmental Organisations. To make a donation please go to our Donations page. All donations are used for on-ground works. We are all volunteers and so no money is used for administration.

To learn a bit about us please continue .....

International Environmental Weed Foundation (IEWF) was registered in July 2003 and is based in Sydney Australia.

We educate and facilitate projects relating to conservation, improved biodiversity, the restoration of degraded ecosystems and restoring natural capital.

Our Web Weed Lookup and Know Your Garden's Natives projects help people discover what may be found in their own backyard and surrounding areas. These provide excellent resources for schools and their environmental programs.

All of our projects are growing through community involvement. If you want to be involved, use our resources or join the Habitat Network email us at info@iewf.org.

IEWF as of 2015 has a representative on the Greater Sydney Landcare Network committee and Landcare NSW Council. We encourge all bushcare and landcare groups in the Greater Sydney area to join the Greater Sydney Landcare Network. Please find out more by visiting www.greatersydneylandcare.org

We are the co-ordinator of the RNC Alliance in the Pacific.

Our conservation project, an important habitat link between Hat Head National Park and Limeburners Creek National Park "For Rest" is an example of our active dedication to conservation and restoration.

In 2008 we received a three year Private Land Conservation grant from the Foundation for National Parks & Wildlife. In 2011 we received an additional 3 years funding assistance. Thank you! These funds are helping to continue the removal of bitou bush and other weeds and also to improve biodiversity in both the dunal and adjoining Littoral Rainforest areas on our project site - For Rest. Read more on page 17 of the Summer 2010/11 edition of the PAWS newsletter.

If you need weed photos you can copy from this site if you ask us first - please email.

We also include links to other sites who are working on similar projects. If you would like your site included please contact IEWF at info@iewf.org.

Restoration of Natural Capital, Crescent Head, NSW, Australia

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