State Government
Aquatic Pest Control - Water Hyacinth, Egeria Densa
California Department of Boating and Waterways.
Controls; Legal Aspects
Hydrilla, Brazilian elodea, and Common elodea - EncycloWeedia
California Department of Food and Agriculture.
Identification/Description; Photographs; Habitat; Distribution; Dispersion; Controls
S. American Waterweed: An Invasive Aquatic Plant (PDF | 330 KB)
Massachusetts Department of Conservation and Recreation. Water Resources. Lakes and Ponds Program.
Identification/Description; Photographs; Illustrations; Impacts; Habitat; Distribution; Controls
Brazilian Elodea - Vermont Invasive Exotic Plant Fact Sheet (PDF | 97 KB)
Vermont Agency of Natural Resources. Environmental Conservation.
Identification/Description; Illustrations; Impacts, Habitat; Distribution; Controls
Brazilian elodea
State of Washington. King County Department of Natural Resources. Water and Land Resources Division.
Identification/Description; Illustrations; Introduction History; Dispersion; Controls
Brazilian Elodea - Non-Native Freshwater Plants
Washington State Department of Ecology. Water Quality Program.
Identification/Description; Photographs; Introduction History; Impacts; Habitat; Distribution; Controls; Special Note: References
Curly Leaf Pondweed
Washington State Noxious Weed Control Board.
Identification/Description; Photographs; Impacts; Life Cycle; Habitat; Distribution; Controls |