Water soldiers

Alert

Be on the lookout for water soldiers and report any sightings immediately.

Reporting options

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 and is a prohibited invasive plant under the Biosecurity Act 2014.

Scientific name

Stratiotes aloides

Description

  • It is a small aquatic plant.
  • Leaves are sawtooth-edged and serrated. They are very brittle when handled.
  • Flowers are white.

3D model

  • View the 3D model to help you identify this plant. You can magnify the image and manipulate the view to inspect the plant from every angle.

Distribution

  • Not yet recorded in Queensland

Life cycle

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

Affected animals

  • Native animals

Impacts

Environmental

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

Control

Legal requirements

  • Water soldiers is a prohibited invasive plant under the Biosecurity Act 2014.
  • You must not:
    • keep it
    • move it
    • give it away
    • sell it
    • release it into the environment.

    If you do any of these, penalties may apply.

  • You must not take any action that is reasonably likely to exacerbate the biosecurity threat posed by water soldiers.
  • You must take any action that is reasonably likely to minimise the biosecurity threat posed by water soldiers.
  • You must report any sightings immediately using 1 of these methods:

Further information