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Home / Aquatic Invasives / Aquatic Plants / Brazilian Waterweed

Brazilian Waterweed

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Brazilian waterweed
Brazillian waterweed - Virginia Tech Weed Identification Guide
Scientific Name: 
Egeria densa Planch. (ITIS)
Common Name: 
Brazilian waterweed, Brazilian elodea, dense waterweed, leafy elodea
Native To: 
Date of U.S. Introduction: 
Means of Introduction: 
Aquarium trade (Cook and Urmi-König 1984)
Impact: 
Crowds out native species (Yarrow et al. 2009)

Distribution / Maps / Survey Status

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.

Images

University of Georgia. Center for Invasive Species and Ecosystem Health.

Videos

Google. YouTube; University of Florida. IFAS. Center for Aquatic and Invasive Plants.

Selected Resources

The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Brazilian Waterweed.

Council or Task Force

Alberta Invasive Species Council (Canada).

See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

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

Washington State Recreation and Conservation Office. Washington Invasive Species Council.

Partnership
IUCN. Species Survival Commission. Invasive Species Specialist Group.
University of Georgia. Center for Invasive Species and Ecosystem Health.
Northeast Aquatic Nuisance Species Panel.
USDA. FS. Institute of Pacific Islands Forestry.

Centre for Invasive Species Solutions; Atlas of Living Australia; Australian Government. Department of Agriculture, Water and the Environment.

Federal Government
Smithsonian Institution. Smithsonian Environmental Research Center. Marine Invasions Research Lab.
DOI. USGS. Wetland and Aquatic Research Center.
Provides distribution maps and collection information (State and County).
USDA. NRCS. National Plant Data Center.

USDA. ARS. National Genetic Resources Program. GRIN-Global.

International Government
New South Wales Department of Primary Industries (Australia).
State and Local Government

Rhode Island Department of Environmental Management. Office of Water Resources.

See also: Aquatic Invasive Plants for species of concern

Washington State Noxious Weed Control Board.
California Department of Food and Agriculture.
See also: Included on California's noxious weed list; see Encycloweedia: Program Details for additional resources

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

King County Department of Natural Resources (Washington). Water and Land Resources Division.
Academic
University of California. Weed Research and Information Center.
See also: Weeds in Natural Areas for more information sheets
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.

Pennsylvania State University. Pennsylvania Sea Grant.

See also: Aquatic Invasive Species: Resources for additional species information

University of Wisconsin Sea Grant.
University of Maine Cooperative Extension.
See also: Maine Invasive Plants & Entire Series for entire series of 22 fact sheets and invasive plants brochure (available in HTML/PDF or for purchase)
Professional
Lake Stewards of Maine.
Special Note: Formerly known as the Maine Volunteer Lake Monitoring Program.

Citations