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Water Hyacinth Resources

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Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.

Indiana Department of Natural Resources.

See also: Invasive Species for exotic animal and plant pests invading Indiana, causing economic and visual damage
University of Georgia. Center for Invasive Species and Ecosystem Health.
Provides state, county, point and GIS data. Maps can be downloaded and shared.
Rhode Island Department of Environmental Management. Office of Water Resources.
See also: Aquatic Invasive Plants for species of concern
IUCN. Species Survival Commission. Invasive Species Specialist Group.
Smithsonian Institution. Smithsonian Marine Station at Fort Pierce.
Columbia University. Center for Environmental Research and Conservation.
Ontario's Invading Species Awareness Program (Canada).
University of Georgia. Center for Invasive Species and Ecosystem Health.

California Invasive Plant Council.

In online book: Bossard, C.C., J.M. Randall, and M.C. Hoshovsky (Editors). 2000. Invasive Plants of California's Wildlands. University of California Press. Berkeley, CA
University of Georgia. Center for Invasive Species and Ecosystem Health.
DOI. USGS. Wetland and Aquatic Research Center.
Provides distribution maps and collection information (State and County).
DOI. USGS. Wetland and Aquatic Research Center.
Provides detailed collection information as well as animated map.
New South Wales Department of Primary Industries (Australia).
USDA. FS. Institute of Pacific Islands Forestry.

University of Florida. IFAS. Center for Aquatic and Invasive Plants.

USDA. NRCS. National Plant Data Center.