• Floating aquatic plant.
• Leaves are triangular, waxy.
• Flowers have 4 white petals, centred rosette.
• Fruit is 4-horned nut containing 1 seed.
• Seed pods are hard, sharp.

• Prefers lakes, dams, reservoirs and mudflats.

• Not known to occur in Queensland.

Environmental

• If introduced, could become serious pest in Queensland's lakes, dams and reservoirs.

Social

• Sharp seed pods cause painful injuries if stepped on.

• Spreads by seed.

• Find out how farmers can prevent weed spread.
• Find out how gardeners and outdoor enthusiasts can prevent weed spread.

• Before undertaking any preventative or control actions, contact our Customer Service Centre.

• Floating water chestnut is a prohibited invasive plant under the Biosecurity Act 2014.
• You must not keep, move, give away, sell or release into the environment. Penalties may apply.
• You must not take any action reasonably likely to exacerbate the biosecurity threat posed by floating water chestnut.
• You must take any action that is reasonably likely to minimise the biosecurity threat posed by floating water chestnut.
• You must report all sightings to Biosecurity Queensland within 24 hours.