Invasive Plants of California's Wildlands - Egeria
California Invasive Plant Council.
Bossard, C.C., J.M. Randall, and M.C. Hoshovsky (Editors). 2000. Invasive Plants of California's Wildlands. University of California Press. Berkeley, CA.
Pacific Island Ecosystems at Risk (PIER) - Egeria densa
Institute of Pacific Islands Forestry.
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
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.
Encycloweedia: Data Sheet - Hydrilla, Brazilian elodea, and Common elodea
California Department of Food and Agriculture.
Included on California's noxious weed list; see Encycloweedia: Program Details for additional resources.
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.
Aquatic Invader Toolkit - Brazilian Elodea (PDF | 524 KB)
Illinois-Indiana Sea Grant.
Maine Invasive Plants Bulletin: Brazilian Waterweed
University of Maine Cooperative Extension.
AQUAPLANT - Egeria
Texas A&M University. AgriLife Extension Service. Department of Wildlife
and Fisheries Sciences.
Waterweed - Maine's Interactive Field Guide to Aquatic
Invaders and Their Native Look Alikes
Maine Volunteer Lake Monitoring Program. Maine Center for Invasive Aquatic