Random invasive species images that represents what NISIC does
USDA.gov NAL NISIC Sudden oak death Formosan subterranean termite Yellow star thistle Giant African snail Cactus moth Purple loosestrife
HomeAbout National Invasive Species Information Center (NISIC)News and EventscouncilHelpContact Us
 Search the National Invasive Species Information Center
Search all USDA
Advanced Search
Search Tips
Browse by Geography
United States
Browse by Subject
Aquatic Species
Economic Impacts
Laws and Regulations
Manager's Tool Kit
Resource Library
You are here: Home / Aquatic Species / Species Profiles / Water Hyacinth
Aquatic Species
Species Profiles

Water Hyacinth

Water HyacinthScientific name: Eichhornia crassipes (Mart.) Solms (ITIS)

Common names: Common water-hyacinth, floating water hyacinth

Click image to enlarge

Selected Resources

Native To: South America (Zhang et al. 2010)

Date of U.S. Introduction: 1884 (Zhang et al. 2010)

Means of Introduction: Ornamental (Toft et al. 2003)

Impact: Forms dense colonies that block sunlight and crowd out native species (Toft et al. 2003)

Current U.S. Distribution:



Selected Resources:


Invasive Plants of California's Wildlands - Eichhornia crassipes
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

Southeast Exotic Pest Plant Council Invasive Plant Manual - Water Hyacinth
Southeast Exotic Pest Plant Council.


Invasive Plant Atlas of New England (IPANE) - Common water-hyacinth, floating water-hyacinth
University of Georgia. Center for Invasive Species and Ecosystem Health.

Invasive Plant Atlas of the United States - Water Hyacinth
University of Georgia. Center for Invasive Species and Ecosystem Health.

Texas Invasives Database - Eichhornia crassipes

Invasive Species Compendium - Eichhornia crassipes
CAB International.

Global Invasive Species Database - Eichhornia crassipes (aquatic plant)
World Conservation Union. Invasive Species Specialist Group.


Water Hyacinth - Harmful Aquatic Hitchhikers
Aquatic Nuisance Species Task Force. Stop Aquatic Hitchhikers.

Eichhornia crassipes (Mart.) Solms (Waterhyacinth) - Aquatic Plant Information System (APIS)
DOD. USACE. Engineer Research and Development Center. Environmental Laboratory.

Indian River Lagoon Species Inventory - Eichhornia crassipes
Smithsonian Institution. Smithsonian Marine Station at Fort Pierce.

Germplasm Resources Information Network (GRIN) - Eichhornia crassipes
USDA. ARS. National Genetic Resources Program.

Waterhyacinth - Biological Control of Invasive Plants in the Eastern United States (Aug 2002)
Published by: USDA. Forest Service. Publication FHTET-2002-04.

PLANTS Database - Common Water Hyacinth
USDA. NRCS. National Plant Data Center.

Weed Profile: Water hyacinth
New South Wales Department of Primary Industries (Australia).

Water Hyacinth
Queensland Department of Agriculture, Fisheries, and Forestry (Australia).


Weed Alert: Water Hyacinth
Florida Fish and Wildlife Conservation Commission.

Water Hyacinth Anchored & Floating (PDF | 298 KB)
Indiana Department of Natural Resources.

Potential Invader Water Hyacinth: An Exotic Aquatic Plant (PDF | 528 KB)
Massachusetts Department of Conservation and Recreation. Office of Water Resources. Lakes and Ponds Program.

Freshwater Invasive Species in Rhode Island: Water Hyacinth (Dec 2010; PDF | 863 KB)
Rhode Island Department of Environmental Management. Office of Water Resources.

Water Hyacinth
Washington State Department of Ecology. Water Quality Program.

Water Hyacinth
Wisconsin Department of Natural Resources.


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

Invasive Plant Atlas of the MidSouth - Common Waterhyacinth
Mississippi State University. GeoResources Institute.

Introduced Species Summary Project - Water Hyacinth
Columbia University. Center for Environmental Research and Conservation.

Water hyacinth - Aquaplant
Texas A&M University. Texas Agricultural Extension Service.


Eichhornia crassipes
Pacific Island Ecosystems at Risk.

Water hyacinth - Practical Guidebook to the Control of Invasive and Aquatic Wetland Plants of the San Francisco Bay-Delta Region
San Francisco Estuary Institute.


Integrated Taxonomic Information System. Eichhornia crassipes. [Accessed Sep 10, 2014].

Toft, J.D., C.A Simenstad, J.R. Cordell, and L.F. Grimaldo. 2003. The effects of introduced water hyacinth on habitat structure, invertebrate assemblages, and fish diets. Estuaries 26(3):746-758.

Zhang, Y., D. Zhang, and S.C. Barrett. 2010. Genetic uniformity characterizes the invasive spread of water hyacinth (Eichhornia crassipes), a clonal aquatic plant. Molecular Ecology 19(9):1774-1786.

Back to Top
Last Modified: Mar 20, 2015
Bookmark and Share
I Want To
    Read Recent News Articles
    Find Management Plans
    Locate Images
    Find Experts

More ...

Aquatic Species
    Species Profiles
    Discussion Groups
    Economic Impacts
    Educational Resources
    Image Galleries
    Frequently Asked Questions
    What You Can Do
Media Help
 To view PDF files you must have Adobe Acrobat Reader installed on your computer.

To view Flash files you must  have Macromedia Flash Player installed on your computer.

 NISIC Home | NAL Home | USDA | AgNIC | Agricultural Research Service | Web Policies and Important Links | Site Map
FOIA | Accessibility Statement| Privacy Policy | Non-Discrimination Statement | Information Quality | USA.gov | White House