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Plant Form: Perennial floating aquatic herb.
Size: Up to 50 cm high.
Stem: Tangled, green, below surface.
Leaves: Bright green, glossy on top, up to 4 cm diameter, floating or emergent, rounded, in rosettes.
Flowers: White to pale yellow, about 13 mm wide. Male flowers on longer stalks.
Fruit and Seeds: Fleshy, berry-like capsule 4-13 mm long with up to 100 tiny slightly flattened and hairy seeds within.
Habitat: Ponds, dams, rivers, lakes, canals.
Distinguishing Features: More rounded leaves than Spongeplant (Limnobium spongia), and smaller leaves than native Frogbit (Limnobium species).