Floating Potamogeton

Species: Potamogeton octandrus

weed identification

common name
Floating Potamogeton
description

Submerged leaves bright green to brown-green, sessile, linear, 25– 55mm long, 0.5– 1.2mm wide. Floating leaves can be present or absent and are much smaller in length and wider than the submerged leaves.

habitat

Found in shallow water of lakes and creeks, often in sand.

distribution
NT, NSW, QLD, WA
native or exotic?
Native
reproduction

Reproduces via seed. Flowering time: July – August.

dispersal

Birds

benefits

Seeds are a food source for birds.

What does Floating Potamogeton look like?

Use these images below to help you decide whether you are dealing with Floating Potamogeton.

Disadvantages of Floating Potamogeton

Full coverage of a pond or dam by Floating Potamogeton is uncommon but can cause significant problems such as:

  • Reduce oxygen diffusion
  • Outcompetes other submerged vegetation
  • Block drainage channels
  • Causes fish and other aquatic life death

treatment

AQ200 Aquatic Herbicide + Wetting Agent – Chemical Herbicide designed to kill free floating weeds quickly. Use on mild to severe infestations.

Aquatic Weed Rake – DIY physical removal. Ideal for mild infestations, sensitive water bodies or to aid herbicide treatment.

Aquatic Harvesting – Large amphibious machine that clears the surface of floating aquatic weeds. Book this service for severe infestations or for larger water bodies.

prevention options

Aerating Fountains – Reduces the severity and likelihood of aquatic weed infestations. Use in any body of water.