Narrabri Shire Council

Weeds of National Significance

Under the National Weeds Strategy, 20 introduced plants were identified as Weeds of National Significance (WONS).

These weeds are regarded as the worst weeds in Australia because of their invasiveness, potential for spread, and economic and environmental impacts.

The weeds are:

• Alligator Weed
• Athel pine
• Bitou bush / Boneseed
• Blackberry
• Bridal creeper
• Cabomba
• Chilean needle grass
• Gorse
• Hymenachne
• Lantana
• Mesquite
• Mimosa
• Parkinsonia
• Parthenium Weed
• Pond apple
• Prickly acacia
• Rubber vine
• Salvinia
• Serrated Tussock
• Willow