What is this Weed?

Self Guiding Weed Identification Tools

Self guiding i.d. sites enable searches by growth habit/weed type: Tree Shrub Vine Herb Grass Aquatic (water) Bulbous Succulent

The flower, seed or fruit is often necessary for identification

Australian Government Weeds Identification Tool – look up weeds by name, place, growth habit and flower colour

Weeds Australia – look up weeds by place, growth habit and name (based on the WEEDdeck series)

PlantNET – look up plants including weeds by place, name, classification. This identification tool maintained by the staff of the National Herbarium of NSW includes identification ‘keys’

General Invasives

Western Australia takes a preventative approach, ensuring that weed risk assessment occurs before plants are released for trade into the environment). Here is their declared plants database and a permitted and quarantine species list

Weeds of National Significance

For identification of aquatic weeds the Univeristy of Florida – Center for Aquatic and Invasive Plants


Full List of Sydney Weeds (available soon)

  • Bulbous and Succulents
  • Grasses
  • Groundcovers
  • Shrubs
  • Trees
  • Vines/Scramblers
  • Water Weeds


Weeds of Sydney (illustrated)

New Weeds in Sydney

Other Resources

Fact Sheets


Weed Identification Resources

Garden Escapes booklet

Stop the Spread of weeds in Sydney brochures:

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