See also: Aquatic Invasive Species for more action plans
Didymo Resources
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Search HelpNew York Department of Environmental Conservation.
Rhode Island Department of Environmental Management. Office of Water Resources.
See also: Aquatic Invasive Plants for species of concern
DOC. NOAA. Great Lakes Environmental Research Laboratory; DOI. USGS. Wetland and Aquatic Research Center.
Pennsylvania Department of Conservation and Natural Resources.
See also: Invasive Plant Fact Sheets for plant species (trees, shrubs, vines, herbs and aquatic plants) that have impacted the state's natural lands
Maryland Department of Natural Resources.
An official website of the United States government.