Pest Tracker
Exotic Pest Reporting
U.S. Geological Survey |
Water spangles; Water fern
Salvinia minima 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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