Details
Complete name:
Elodea canadensis Michaux 1803
Taxonomy:
Magnoliophyta »
Magnoliophyta »
Liliopsida »
Alismatales »
Hydrocharitaceae »
Elodea canadensis
Authors:
Stephan Gollasch
Last updated: October 30th, 2006
Common Names
Canadian waterweed, Canada waterweed, Canadian pondweed, Canadian water pest, American waterweed, broad waterweed, common waterweed, water-thyme, oxygen weed.
Synonyms
Anacharis alsinastrum Bab.
Anacharis canadensis (Michx.) Planch.
Anacharis planchonii (Caspary) Rydb.
Anacharis pomeranica (Rchb.) Peterm.
Elodea brandegeeae St. John
Elodea canadensis Michx.
Elodea ioensis Wylie
Elodea latifolia Caspary
Elodea linearis (Rydb.) St. John
Elodea oblongifolia Michx. ex Caspary
Elodea planchonii Caspary
Helodea canadensis Reichb.
Philotria canadensis (Michx.) Britt.
Philotria linearis Rydberg
Philotria planchonii (Caspary) Rydb.
Serpicula verticillata Rostk. & Schmidt
Short Description
It is an aquatic herb with branching stems 20-30 cm long, which tends to form dense monospecific stands that can cover hundreds of acres. Leaves are oblong-linear in groups of three. Flowers are white or pale purple appear at the water surface. Fruits are capsules less than 1 cm in length.
Contributors
The following contributors have provided records in the DAISIE database for this species.
Name | Institute |
Corina Basnou |
Centre de Recerca Ecològica i Aplicacions Forestals (CREAF), Barcelona |
Dan Minchin |
MOI |
Hélia Marchante |
Escola Superior Agrária de Coimbra, Portugal |
Laura Celesti-Grapow |
Università La Sapienza |
Marten Winter |
UFZ Centre for Environmental Research, Halle |
Mikhail Son |
|
North European and Baltic Network on Invasive Species (NOBANIS) |
c/o Swedish Environmental Protection Agency, Uppsala |
Paulina Anastasiu |
University of Bucharest |
Petr Pyšek |
Institute of Botany, Academy of Sciences of the Czech Republic |
Rosenberg Tali |
The Biodversity Research Group, The Hebrew University |
Stephan Gollasch |
GoConsult |
Experts
The following experts registered themselves as having knowledge about this species or its family.
Name | Institute | Country | Taxa |
|
Heinrich-Heine-Universität Düsseldorf |
Germany |
Elodea canadensis (name) |
|
University of Duisburg-Essen: Campus Essen |
Germany |
Hydrocharitaceae (name) |
|
Heinrich-Heine-Universität Düsseldorf |
Germany |
Hydrocharitaceae (name) |
|
University of Seville |
Spain |
Hydrocharitaceae (name) |
|
Marine Sciences & Technology |
Turkey |
Hydrocharitaceae (name) |
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References
Bowmer KH, Jacobs SWL, Sainty GR (1995) Indentification, Biology and Management of Elodea canadensis, Hydrocharitaceae. Journal of Aquatic Plant Management 33:13-19
Casper SJ, Krausch HD (1980) Süßwasserflora von Mitteleuropa, Pteridophyta und Anthophyta, 1. Teil. Band 23, Gustav Fischer Verlag, Stuttgart, pp 403
Spicer KW, Catling PM (1988) The biology of Canadian weeds. 88. Elodea canadensis Michx. Canadian Journal of Plant Sciences 68:1035-1051
Other References
Catling PM, Wojtas W (1986) The waterweeds (Elodea and Egeria, Hydrocharitaceae) in Canada. Canadian Journal of Botany 64:1525-1541
Cook CDK, Urmi-König K (1985) A revision of the genus Elodea (Hydrocharitaceae). Aquatic Botany 21:111-156
De Winton MD, Clayton JS (1996) The impact of invasive submerged weed species on seed banks in lake sediments. Aquatic Botany 53(1-2):31-45
Denys L, Packet J, Van Landuyt W (2004) Neofyten in het Vlaamse water: signalement van vaste waarden en rijzende sterren. Natuur focus 3(4):120-128
James CS, Eaton JW, Hardwick K (1999) Competition between three submerged macrophytes, Elodea canadensis Michx, Elodea nuttallii (Planch.) St. John and Lagarosiphon major (Ridl.) Moss. Hydrobiologia 415:35-40
Josefsson M, Andersson B (2001) The Environmental Consequences of Alien Species in the Swedish Lakes Malaren, Hjalmaren, Vanern and Vattern. Ambio 30(8):514-521
Kahkonen MA, Pantsar-Kallio M, Manninen PKG (1998) Analysing heavy metal concentrations in the different parts of Elodea canadensis and surface sediment with pca in two boreal lakes in Southern Finland. Chemosphere 35(11):2645-2656
Karjalainen H, Stefansdottir G, Tuominen L, Kairesalo T (2001) Do submersed plants enhance microbial activity in sediment? Aquatic Botany 69(1):1-13
Kleiven E, Dolmen D (1999) Vasspest Elodea canadensis Michx i Molandsvatnet, Arendal. Elodea canadensis Michx in Molandsvatnet, Arendal, South Norway. Blyttia 57:117-119
Kohler A (1995) Neophyten in Fließgewässern - Beispiele aus Süddeutschland und dem Elsaß. Schriftenreihe für Vegetationskunde (Sukopp-Festschrift) 27:405-412
Kohler A, Sipos V, Sonntag E, Penksza K, Pozzi D, Veit U, Björk S (2000) Makrophyten-Verbreitung und Standortqualität im eutrophen Björka-Kävlinge-Fluss (Skane, Südschweden). Limnologica 30:281-298
Kowarik I (2003) Biologische Invasionen – Neophyten und Neozoen in Mitteleuropa. Ulmer, Stuttgart, pp 380
Kozhova OM, Izhboldina LA (1993) Spread of Elodea canadensis in Lake Baikal. Hydrobiologia 259:203-211
Luther H (1951) Verbreitung und Ökologie der hoheren Wasserpflanzen im Brackwasser der Ekenas-Gegend in Südfinnland. II. Spezieller Teil. Acta Bot. Fenn. 50:1-370
Mal TK, Adorjan P, Corbett AL (2002) Effect of copper on growth of an aquatic macrophyte, Elodea canadensis. Environmental Pollution 120(2):307-311
Ozimek T, van Donk E, Gulati RD (1993) Growth and nutrient uptake by two species of Elodea in experimental conditions and their role in nutrient accumulation in a macrophyte-dominated lake. Hydrobiologia 251:13-18
Preston CD, Pearman DA, Dines TD (2001) New Atlas of the British and Irish Flora Oxford University Press
Riis T, Sand-Jensen K, Vestergaard O (2000) Plant communities in lowland Danish streams: species composition and environmental factors. Aquatic Botany 66(4):255-272
Roerslett B, Berge D, Johansen SW (1984) Mass invasion of Elodea canadensis in a mesotrophic, South Norwegian lake - impact on water quality. Proceedings of the Congres of International Association of Theoretical and Applied Limnology 22 (2):2920-2926
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Seehaus A (1992) Die Ausbreitung von Elodea nuttallii (Planch.) St. John in der Leinaue südlich von Hannover im Zeitraum von 1973 bis 1991. Floristische Rundbriefe 26(2):72-78
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Slynko YV, Koreneva JG, Rivier IK, Papchenkov VG, Scherbina GH, Orlova MI, Therriault TW (2002) The Caspian-Volga-Baltic invasion corridor. In: Leppakoski, E, Gollasch S, Olenin S (eds) Invasive Aquatic species of Europe - distribution impacts and management. Kluwer Academic Publishers, Dordrecht, The Netherlands, pp 399-411
Tremp H (2001) Standörtliche Differenzierung der Vorkommen von Elodea canadensis Michx. und Elodea nuttallii (Planch.) St. John in Gewässern der badischen Oberrheinebene. Berichte des Instituts für Landschafts- und Pflanzenökologie 10:19-32
Van de Weyer K, Wahrenburg P, Wiegleb G (1990) Die Makrophytenvegetation im Einzugsgebiet der Ruhr. 1. Die Fließgewässervegetation und ihre Bedeutung für Naturschutz und Landschaftspflege. Decheniana 143:141-159
Vöge M (1980) Elodea nuttallii (Planch.) St. John im Öjendorfer See in Hamburg. Kieler Notizen 12:7
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Wells RD, de Winton MD, Clayton JS (1997) Successive macrophyte invasions within the submerged flora of Lake Tarawera, Central North Island, New Zealand. New Zealand Journal of Marine and Freshwater Research 31:449-459
Wolff P (1980) Die Hydrillae (Hydrocharitaceae) in Europa. Göttinger Floristische Rundbriefe 14:33-56