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Weeds that pose serious threats to New Zealand

Introduction

These plants are some that pose the most serious threats to our native animals and places.
Asian seaweed (Undaria pinnatifida)

Asian seaweed (Undaria pinnatifida)

The pest seaweed Undaria is a threat to Fiordland’s marine environment with its ability to quickly establish and outcompete native marine species.

Carnivorous weeds in Auckland

Carnivorous weeds in Auckland

Learn about the carnivorous weeds that can wreak havoc on New Zealand's native vegetation.

Freshwater weeds

Freshwater weeds

Freshwater weeds degrade New Zealand's wetlands and waterways. The plants described here pose the most serious threats.

Golden dodder

Golden dodder

Golden dodder is a threat to Waikato wetlands and lakes. It's a parasitic plant which sucks the nutrients out of host plants which weakens them. It can significantly reduce yields and plant growth.

Matiu/Somes Island weeds

Matiu/Somes Island weeds

Weeds threatening native flora and fauna on Matiu/Somes Island in Wellington Harbour.

Wilding conifers

Wilding conifers

Wilding conifers are invasive weeds that threaten to permanently alter the unique landscapes that are only found in New Zealand.