Mat forming alga-like perennial, submerged just below water surface or entangled with other plants. Carnivorous plant with complex modified underwater appendages or 'sacs' which trap insects and other small animals. Has no roots, very thin stems with small filament-like leaves, which are either single or paired with sacs (1-2 mm long). Yellow flowers (6 mm diameter) protrude <20 cm above the water surface (Dec- May).
Aquatic: Free floating. Most freshwater habitats, especially acidic and nutrient rich
Vegetative fragments and seed
May outcompete native species.
1. Mechanical removal or weed matting at small sites.
2. There are no known chemical control methods.
Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.