University of Georgia. Center for Invasive Species and Ecosystem Health.Provides state, county, point and GIS data. Maps can be downloaded and shared.
DOI. USGS. Wetland and Aquatic Research Center.Provides detailed collection information as well as animated map.
USDA. APHIS. Cooperative Agricultural Pest Survey. National Agricultural Pest Information System.
USDA. APHIS. Plant Protection and Quarantine.
Includes species listed as a Federal Noxious Weed under the Plant Protection Act, which makes it illegal in the U.S. to import or transport between States without a permit.
The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Hydrilla.
Council or Task Force
California Invasive Plant Council.
Washington State Recreation and Conservation Office. Washington Invasive Species Council.
USDA. APHIS. PPQ. Center for Plant Health Science and Technology; California Department of Food and Agriculture.
New York Invasive Species Clearinghouse.
Texas Commission on Environmental Quality, Galveston Bay Estuary Program; Houston Advanced Research Center (HARC).
State and Local Government
- Balciunas, J.K., M. J. Grodowitz, A.F. Cofrancesco and J.F. Shearer. 2002. Hydrilla. In: R. Van Driesche et al. (Eds.), Biological control of invasive plants in the eastern United States (FHTET-2002-04). Morgantown, West Virginia: U.S. Forest Service Forest Health Technology Enterprise Team.
- Integrated Taxonomic Information System. Hydrilla verticillata. [Accessed Sep 10, 2014].
- Masterson, J. 2007. Hydrilla verticillata. In: Indian River Lagoon Species Inventory. Smithsonian Marine Station.