Water soldiers

Alert

Have you seen Water soldiers?

Be on the lookout for Water soldiers and report it to Biosecurity Queensland. Early detection and reporting are the key elements in controlling Water soldiers.

Call us on 13 25 23.

Native to Europe, water soldiers is a small, aquatic plant that has become a serious weed in wetlands overseas. It forms dense stands and destroys native wildlife habitat. It has not been recorded in Queensland to date.

Water soldiers is a prohibited invasive plant under the Biosecurity Act 2014.

Scientific name

Stratiotes aloides

Description

  • Small, aquatic plant.
  • Leaves are sawtooth-edged, serrated, very brittle when handled.
  • Flowers are white.

Distribution

  • Not yet recorded in Queensland

Life cycle

  • Rises to surface at flowering time.
  • Flowers appear in summer.

Affected animals

  • Native animals

Impacts

Environmental

  • Potential to become serious pest if introduced and planted in aquariums or outdoor ponds.
  • Forms dense stands and destroys native wildlife habitat.

Control

  • Call 13 25 23 if you find a plant you suspect may be water soldiers to seek advice on control options.

Legal requirements

  • Water soldiers is a prohibited invasive plant under the Biosecurity Act 2014.
  • It must not be given away, sold, or released into the environment without a permit.
  • The Act requires that all sightings to be reported to Biosecurity Queensland within 24 hours.
  • By law, everyone has a general biosecurity obligation (GBO) to take all reasonable and practical steps to minimise the risk of Water soldiers spreading until they receive advice from an authorised officer.

Further information