Summary
Place of publication:
Fl. bor.-amer. 1:20. 1803
Verified:
05/18/1995
ARS Systematic Botanists.
Autonyms (not in current use), synonyms and invalid designations
Reference(s)
- Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) www.skud.info
- Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 21.
- Erhardt, W. et al. 2000. Zander: Handwörterbuch der Pflanzennamen, 16. Auflage
- Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
- FNA Editorial Committee. 1993-. Flora of North America.
- Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
- Henderson, L. 2001. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12
- Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
- Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
- Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
- Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland.
- Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation)
- Liberty Hyde Bailey Hortorium. 1976. Hortus third.
- McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
- Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia.
- Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
- Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
- Seymour, F. 1969. The flora of New England.
- Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:103.
- Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds
- Wofford, B. E. Database of Tennessee vascular plants (on-line resource).
- 1961. Webster's third new international dictionary.
Common names
English
American-duckweed – Canadian elodea – Canadian waterweed – Canadian-pondweed – oxygen-weed – water-thyme – waterweed – Afrikaans
Kanadese waterpes – English (Canada)
elodea – French
elodée du Canada – French (Canada)
élodée du Canada – German
kanadische Wasserpest – Swedish
vattenpest –
Distribution
| order_code | Status | Continent | Subcontinent | Country | State | Note |
| 1 | Native | Europe | Eastern Europe | Russian Federation | Astrakhan | |
| 1 | Native | Europe | Eastern Europe | Russian Federation | Saratov | |
| 1 | Native | Europe | Eastern Europe | Russian Federation | Volgograd | |
| 1 | Native | Northern America | Eastern Canada | Canada | New Brunswick | |
| 1 | Native | Northern America | Eastern Canada | Canada | Nova Scotia | |
| 1 | Native | Northern America | Eastern Canada | Canada | Ontario | |
| 1 | Native | Northern America | Eastern Canada | Canada | Québec | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Iowa | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Minnesota | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Nebraska | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | North Dakota | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | South Dakota | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Wisconsin | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Connecticut | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Maine | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Massachusetts | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Hampshire | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Jersey | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New York | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Ohio | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Pennsylvania | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Rhode Island | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Vermont | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | West Virginia | |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Colorado | |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Idaho | |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Montana | |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Oregon | |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Washington | |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Wyoming | |
| 1 | Native | Northern America | South-Central U.S.A. | United States | New Mexico | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Alabama | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Delaware | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Florida | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Maryland | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | North Carolina | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Tennessee | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Virginia | |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | California | |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Nevada | |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Utah | |
| 1 | Native | Northern America | Western Canada | Canada | British Columbia | |
| 1 | Native | Northern America | Western Canada | Canada | Manitoba | |
| 1 | Native | Northern America | Western Canada | Canada | Saskatchewan | |
| 2 | Cultivated | | | | | also cult. |
| 4 | Naturalized | Africa | Northern Africa | Egypt | | |
| 4 | Naturalized | Asia-Temperate | Siberia | Russian Federation | Irkutsk | |
| 4 | Naturalized | Asia-Temperate | Siberia | Russian Federation | Krasnoyarsk | |
| 4 | Naturalized | Asia-Temperate | Siberia | Russian Federation | Kurgan | |
| 4 | Naturalized | Asia-Temperate | Siberia | Russian Federation | Tyumen | |
| 4 | Naturalized | Australasia | Australia | Australia | | |
| 4 | Naturalized | Australasia | New Zealand | New Zealand | | |
| 4 | Naturalized | Europe | | Europe | | |
| 4 | Naturalized | Northern America | | Mexico | | |
| 4 | Naturalized | Pacific | North-Central Pacific | United States | Hawaii | |
| 4 | Naturalized | Southern America | | South America | | |
| 4 | Naturalized | Southern America | Central America | Central America | | |
Native
Europe
-
EASTERN EUROPE:
Russian Federation [Astrakhan, Saratov, Volgograd]
Northern America
-
EASTERN CANADA:
Canada [Québec, Nova Scotia, Ontario, New Brunswick]
-
WESTERN CANADA:
Canada [Saskatchewan, Manitoba, British Columbia]
-
NORTHEASTERN U.S.A.:
United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
-
NORTH-CENTRAL U.S.A.:
United States [Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, Illinois, Wisconsin]
-
NORTHWESTERN U.S.A.:
United States [Colorado, Idaho, Montana, Oregon, Washington, Wyoming]
-
SOUTHEASTERN U.S.A.:
United States [Alabama, Arkansas, Delaware, Florida, Kentucky, Maryland, North Carolina, Tennessee, Virginia]
-
SOUTH-CENTRAL U.S.A.:
United States [New Mexico]
-
SOUTHWESTERN U.S.A.:
United States [California, Nevada, Utah]
Cultivated
(also cult.)
Naturalized
Africa
Asia-Temperate
-
SIBERIA:
Russian Federation [Irkutsk, Krasnoyarsk, Kurgan, Tyumen]
Australasia
-
AUSTRALIA:
Australia
-
NEW ZEALAND:
New Zealand
Europe
Northern America
Pacific
-
NORTH-CENTRAL PACIFIC:
United States [Hawaii]
Southern America
-
CENTRAL AMERICA:
Central America
-
REGION:
South America
Economic Uses
| Usage | Type | Note | Reference |
| Environmental | ornamental | | Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening |
| Environmental | ornamental | | Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds |
| Weed | potential seed contaminant | | Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia. |
| Weed | potential seed contaminant | | Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds |
| Weed | potential seed contaminant | | Henderson, L. 2001. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12 |
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System.
2025. Germplasm Resources Information Network
(GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://grip.mawarid.gov.om/gringlobal/taxon/taxonomydetail?id=400047.
Accessed 28 May 2025.