Invasive Plants of California's Wildlands - Egeria
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Bossard, C.C., J.M. Randall, and M.C. Hoshovsky (Editors). 2000. Invasive Plants of California's Wildlands. University of California Press. Berkeley, CA
Invasive Plant Atlas of New England (IPANE) - Brazilian Water-weed
University of Georgia. Center for Invasive Species and Ecosystem Health.
Invasive Plant Atlas of the United States - Brazilian
University of Georgia. Center for Invasive
Species and Ecosystem Health.
Northeast Aquatic Nuisance Species Panel.
Invasive Species Compendium - Egeria densa
Pacific Island Ecosystems at Risk.
Global Invasive Species Database - Egeria densa (aquatic plant)
World Conservation Union. Invasive Species Specialist Group.
densa Planch. (Brazilian Elodea) - Aquatic
Plant Information System (APIS)
DOD. USACE. Engineer
Research and Development Center. Environmental Laboratory.
Germplasm Resources Information Network (GRIN) - Egeria densa
USDA. ARS. National Genetic Resources Program.
PLANTS Database - Brazilian Waterweed
USDA. NRCS. National Plant Data Center.
Profile: Leafy elodea
New South Wales Department of Primary Industries (Australia).
Pest Plant Risk Assessment: Dense Waterweed (Aug 2008; PDF | 319 KB)
Queensland Department of Primary Industries (Australia). Biosecurity Queensland.
Hydrilla, Brazilian elodea, and Common elodea - EncycloWeedia
California Department of Food and Agriculture.
American Waterweed: An Invasive Aquatic Plant (2002; PDF | 330
Massachusetts Department of Conservation and Recreation. Water Resources.
Lakes and Ponds Program.
Invasive Plants in Pennsylvania: Brazilian Waterweed (PDF | 540 KB)
Pennsylvania Department of Conservation and Natural Resources.
Freshwater Aquatic Invasive Species in Rhode Island: Brazilian Elodea (Sep 2010; PDF | 617 KB)
Rhode Island Department of Environmental Management. Office of Water Resources.
Brazilian Elodea - Vermont Invasive Exotic Plant Fact Sheet (PDF | 97 KB)
Vermont Agency of Natural Resources. Environmental Conservation.
State of Washington. King County Department of Natural Resources. Water and Land Resources Division.
Brazilian Elodea - Non-Native Freshwater Plants
Washington State Department of Ecology. Water Quality Program.
Class B Noxious Weed:
Washington State Noxious Weed Control Board.
Weed Control in Natural Areas in the Western United States: Brazilian egeria (2013; PDF | 209 KB)
University of California. Weed Research and Information Center.
Invaders: Brazilian Elodea - Aquatic Invader
Toolkit (PDF | 524 KB)
Illinois-Indiana Sea Grant.
Brazilian Waterweed - Maine Invasive Plants Bulletin no. 2524
University of Maine Cooperative Extension.
Egeria - Aquaplant
Texas A&M University. Texas Cooperative Extension.
Waterweed - Maine's Interactive Field Guide to Aquatic
Invaders and Their Native Look Alikes
Maine Volunteer Lake Monitoring Program. Maine Center for Invasive Aquatic
Brazilian waterweed - Practical Guidebook to the Control of Invasive and Aquatic Wetland Plants of the San Francisco Bay-Delta Region
San Francisco Estuary Institute.