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Plant Form: Free-floating mat-forming aquatic fern.
Size: Individual plants 6-25 cm long but forms large mats.
Stem: Green, covered in fine hairs, slender and submerged.
Leaves: Fronds, light green or yellowish, round to oval, growing in opposite pairs, with many waxy hairs, float on surface in mats.
Habitat: Slow moving water bodies like ponds, generally in warmer climates.
Distinguishing Features: Leaves get larger than Red root floater (Phyllanthus fluitans). Early growth can be distinguished from Azolla (Azolla species) and Duckweed (Lemna species and Spirodela species) by the opposite frond pairs.