Foto de stock - The Audubon Center in the lullwater section of the Prospect Park Lake in Brooklyn in New York The surface of the lake has been covered with the plant Azolla caroliniana, a native species, which would normally die during the cold winter However, this past winter was not harsh enough to kill the plant hence it is flourishing this summer

Imagen: The Audubon Center in the lullwater section of the Prospect Park Lake in Brooklyn in New York The surface of the lake has been covered with the plant Azolla.

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