Taxon: Elodea canadensis Michx.

Summary

Genus:

Elodea

Family:

Hydrocharitaceae

Subfamily:

Anacharidoideae

Nomen number:

400047

Place of publication:

Fl. bor.-amer. 1:20. 1803

Verified:

05/18/1995 ARS Systematic Botanists.

Accessions:

0 (0 active, 0 available) in National Plant Germplasm System.

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Homotypic Synonym(s)
Anacharis canadensis (Michx.) Planch.
Anacharis canadensis (Michx.) Planch. var. canadensis
Philotria canadensis (Michx.) Britton

Heterotypic Synonym(s)
Anacharis canadensis (Michx.) Planch. var. planchonii Vict.
Elodea ioensis Wylie
Philotria linearis Rydb.

No images

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
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. A concise dictionary of plants cultivated in the United States and Canada
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

Language	Name	note	seq	Citation
English	American-duckweed		1	Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
English	Canadian elodea		1	Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
English	Canadian waterweed		1	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
English	Canadian-pondweed		1	Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
English	oxygen-weed		1	Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
English	water-thyme		1	1961. Webster's third new international dictionary.
English	waterweed		1	Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada
Afrikaans	Kanadese waterpes		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
English (Canada)	elodea	Agriculture & Agri-Food Canada official name	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 21.
French	elodée du Canada		2	Erhardt, W. et al. 2000. Zander: Handwörterbuch der Pflanzennamen, 16. Auflage
French (Canada)	élodée du Canada	Agriculture & Agroalimentaire Canada nom officiel	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 21.
German	kanadische Wasserpest		2	Erhardt, W. et al. 2000. Zander: Handwörterbuch der Pflanzennamen, 16. Auflage
Swedish	vattenpest		2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Europe	Eastern Europe	Russian Federation	Astrakhan		Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:103.
1	Native	Europe	Eastern Europe	Russian Federation	Saratov		Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:103.
1	Native	Europe	Eastern Europe	Russian Federation	Volgogradskaja oblast'		Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:103.
1	Native	Northern America	Eastern Canada	Canada	New Brunswick		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Nova Scotia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Ontario		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Québec		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Illinois		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Iowa		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Kansas		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Missouri		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	North Dakota		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	South Dakota		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Wisconsin		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Connecticut		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Maine		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Massachusetts		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New Hampshire		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New York		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Ohio		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Rhode Island		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Vermont		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Idaho		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Montana		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Oregon		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Washington		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Alabama		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Delaware		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Florida		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Kentucky		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Tennessee		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	California		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Nevada		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Utah		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	British Columbia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Manitoba		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Saskatchewan		FNA Editorial Committee. 1993-. Flora of North America.
2	Cultivated					also cult.
4	Naturalized	Africa	Northern Africa	Egypt			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Temperate	Siberia	Russian Federation	Irkutsk		Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation)
4	Naturalized	Asia-Temperate	Siberia	Russian Federation	Krasnoyarsk		Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation)
4	Naturalized	Asia-Temperate	Siberia	Russian Federation	Kurganskaja oblast'		Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation)
4	Naturalized	Asia-Temperate	Siberia	Russian Federation	Tyumen		Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation)
4	Naturalized	Australasia	Australia	Australia			Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
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, Volgogradskaja oblast']

Northern America

EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, New Brunswick]
WESTERN CANADA: Canada [Saskatchewan, Manitoba, British Columbia]
NORTHEASTERN U.S.A.: United States [Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Connecticut]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, 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, Virginia, Tennessee]
SOUTH-CENTRAL U.S.A.: United States [New Mexico]
SOUTHWESTERN U.S.A.: United States [California, Nevada, Utah]

Cultivated (also cult.)
Naturalized
Africa

NORTHERN AFRICA: Egypt

Asia-Temperate

SIBERIA: Russian Federation [Krasnoyarsk, Irkutsk, Kurganskaja oblast', Tyumen]

Australasia

AUSTRALIA: Australia
NEW ZEALAND: New Zealand

Europe

REGION: Europe

Northern America

REGION: Mexico

Pacific

NORTH-CENTRAL PACIFIC: United States [Hawaii]

Southern America

CENTRAL AMERICA: Central America
REGION: South America

Reference(s)

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.
Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
Krasnoborov, I. M., ed. 2000-. Flora of Siberia (English translation)
Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:103.

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	seed contaminant	potential	Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia.
Weed	seed contaminant	potential	Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds
Weed	seed contaminant	potential	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. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=400047. Accessed 26 October 2026.