More links and websites

• Freshwater biosecurity

  Information from the National Institute of Water and Atmospheric Research (NIWA) on freshwater biosecurity.

• National Pests Plant Accord

  The Biosecurity New Zealand site provides up-to-date information on plants that cannot be sold, propagated or distributed in New Zealand because they are unwanted organisms under the Biosecurity Act 1993.

• New Zealand Plant Conservation Network

  Useful and current information on native and introduced plants.

• Pest plants & weeds

  Useful fact sheets published by Environment Bay of Plenty on several weed species.

• Weedbusters

  Information for people interested in combatting weeds, and descriptions and photographs of many weed species.

• Weeds

  Landcare Research Manaaki Whenua gives general information on weeds, focusing on their efforts at biocontrol.

More suggestions and sources

• Flora of New Zealand. Vols 3, 4, 5. Wellington: Government Printer, 1988–2000.
• Roy, Bruce, and others.An illustrated guide to common weeds of New Zealand. 2nd ed. Lincoln: New Zealand Plant Protection Society, 2004.