Exotic Pest Reporting
Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org
Water spangles; Water fern
Water spangles; Water fern (Salvinia minima) is an invasive plant. It is a native of Central and South America and was first detected in United States in 1880.
These plants grow at such high rates that they appear as a continuous mat over the water surface, displacing native species.
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