http://www.npwrc.usgs.gov/resource/plants/vascplnt/vascplnt.htm. More information about modern web browsers can be found at http://browsehappy.com/. Information sheet 25: Elodea nuttallii, Nuttall's Pondweed. Jump to navigation Jump to search. E. nuttallii is relatively unpalatable (Elger et al., 2004) due its high synthesis of phenolic compounds (allelopathic effect) (Newman, 1991; Lemoine et al., 2009) and because it contains allelochemicals that are active against competing algae and cyanobacteria (Erhard and Gross, 2006; Wu et al., 2009). It is not unlikely that additional finds have been made, but that they have been mistaken for Canadian waterweed. Rep. Journal of Aquatic Plant Management, 31:88-94. Elodea nuttallii. In Japan, it has been reported that the biomass of native plants declined drastically after the invasion of, Cutting is best carried out before July, and a second cut will be required later in the season. http://www.hear.org/gcw/html/autogend/species/7188.HTM, Grudnik ZM; Jelenko I; Germ M, 2014. Philotria angustifolia (Muhl.) Ripens underwater. Identification, biology and management of Elodea canadensis, Hydrocharitaceae. In: Delivering Alien Invasive Species Inventories for Europe, DAISIE. In Asia, it was reported for the first time in 1960 in Japan (Lake Biwa) (Ikushima and Caballa, 1965). Bot, 40:57-64. Phenology and phenotypic variation of genetically unifor populations of Elodea nuttallii (Planch.) E. nuttallii is a perennial submerged aquatic plant native to North America. Elodea nuttallii is a species of waterweed known by the common name western waterweed or Nuttall's waterweed. Foto n. 9240 - élodée de Nuttall (Elodea nuttallii) USDA-NRCS PLANTS Database / Britton, N.L., and A. Kunii H, 1981. Rydb. Competition between three submerged macrophytes, Elodea canadensis, Elodea nuttallii and Lagarosiphon major. http://www.cps-skew.ch/english/black_list.htm, DAISIE, 2009. … Branquart E, 2007. (Etude comparative de deux espèces végétales aquatiques invasives Elodea nuttallii et E. canadensis. Archiv für Hydrobiologie, 152(2):237-251. Britton ex Rydb. E. nuttallii was reported in Belgium in 1939 (with a definite identification in 1955) (Simpson, 1984); and in Britain in 1966, and spreading rapidly from 1970 onwards from the southeast and scattering throughout Wales, Scotland (Preston and Croft, 1997) and Ireland (1984). Flora Europaea, volume 5. Annales de Limnologie - International Journal of Limnology. EPPO, 2020. Morphological variation of Elodea in western Massachusetts: field and laboratory studies. Temporal changes and vertical distribution of macrophytes in Lake Kawaguchi. Several traits of the species are typical of successful invaders: rapid growth, vegetative reproduction through fragments and easily dispersed by waterfowl and currents (Cook and Urmi-König, 1985; Nichols and Shaw, 1986; Cook, 1987). Non-indigenous Freshwaters Plants. Catling PM; Wojtas W, 1986. Introduction into another country has almost certainly been via the trade in live aquarium plants, legal or otherwise (, Dense populations of plants reduce water movement, cut off light, produce anoxic conditions and trap sediments in the system. ex Caspary) Farw. Seasonal and long-term changes in surface cover of aquatic plants in a shallow pond, Ojaga-ike, Chiba, Japan. A newly introduced aquatic plant, Elodea occidentalis, in Lake Biwa, Japan. Helsinki, Finland: Finnish Environment Institute. RM-238.] CPS-SKEW, 2008. Elodea nuttallii (Planch.) 1 mm long; petals white, obovate, longer than the sepals; stigmas slender, slightly exceeding the sepals. Invasive species in the Rhône River floodplain (France): replacement of Elodea canadensis Michaux by E. nuttallii St. John in two former river channels. 74 (4), 323-331. Disturbances as a structuring factor of plant palatability in aquatic communities. Other names with Anacharis nuttallii Planch. The plants compete with and displace indigenous vegetation, thus reducing biodiversity (Josefsson and Andersson, 2001). Ecological life histories of the three aquatic nuisance plants, Myriophyllum spicatum, Potamogeton crispus and Elodea canadensis. http://www.ipni.org/index.html. Philotria angustifolia (Muhl.) NOBANIS, 2010. Watsonia, 18(2):173-177. Limnology, 5:129-139. Elodea nuttalli (Planch.) > 10°C, Cold average temp. Common Name: WATERWEED FAMILY Habit: Annual, perennial herb, aquatic, freshwater or marine, glabrous or hairy; monoecious, dioecious, or flowers bisexual. While Elodea nuttallii is already widespread in some countries (e.g. Alien Aquatic Plants Naturalized in Japan: History and Present Status. Aquatic and wetland vascular plants of the Northern Great Plains. Leaves pale green more or less equally spaced along the stem middle and upper leaves typically in whorls of 3 or occasionally 4, linear to narrowly lanceolate often recurved with folded margins; 6-13 mm long, 0.7-1.5 mm wide, acute at tip. However, Cook and Urmi-König (1985), in the latest revision of the genus, recognize five species of Elodea, all of them from the New World: E. potamogeton (Bert) Espinosa, and E. callitrichoides (Rich.) The environmental consequences of alien species in the Swedish Lakes Mälaren, Hjälmaren, Vänern and Vättern. Inter-specific competition between two submerged macrophytes, Elodea nuttallii and Hydrilla verticillata. Stratégies adaptatives, facteurs écologiques, polymorphisme génétique des espèces, contribution au contrôle du phénomène invasif. It lives in fresh water. St. John. H. St. John : Elodea columbiana H. St. John : Anacharis occidentalis (Pursh) Vict. Click on a scientific name below to expand it in the PLANTS Classification Report. USDA-NRCS, 2009. From Wikimedia Commons, the free media repository. Elodea nuttallii is a species of waterweed known by the common name western waterweed or Nuttall's waterweed. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 681 pp. Part 4: The species of the eastern and central North America. Elodea nuttallii: uptake, translocation and release of phosphorus. Germany and The Netherlands), the species is less common in Eastern Europe. ex Casp.) http://www.europe-aliens.org/. In its native range, it may be confused with Brazilian elodea (Egeria densa), which has a similar appearance, but has longer leaves in whorls of 4 to 6; also with Hydrilla (Hydrilla verticillata), which has tubers and spiny leaf edges, and with coontail (Ceratophyllum sp. CABI Compendium: Status inferred from regional distribution. Cambridge: Cambridge University Press. Bulletin Français de la Pêche et de la Pisciculture, No. http://ucjeps.berkeley.edu/interchange/I_treat_indexes.html. European Invasive Alien Species Gateway. Aquatic Botany, 87(4):255-261. http://www.sciencedirect.com/science/journal/03043770. Proceedings of the 12th European Weed Research Society Symposium, Jyväskylä, Finland, 24-28 August 2009], [ed. E. nuttallii as well as E. canadensis have the potential to develop into dense submerged beds, which prevent the use of water for recreational and professional purposes (Larson, 2003), navigation and port infrastructure (CPS-SKEW, 2008). Uppsala: Swedish University of Agricultural Sciences. [1] This is a perennial aquatic plant which is native to North America where it grows submersed in lakes, rivers, and other shallow water bodies. Seasonal growth and profile structure development of Elodea nuttallii (Planch.) Angelstein S; Schubert H, 2008. If you continue to use this site we will assume that you are happy with it. Philotria minor (Engelm. Ikushima I; Kabaya H, 1965. Britt. Due to the variable regulations around (de)registration of pesticides, your national list of registered pesticides or relevant authority should be consulted to determine which products are legally allowed for use in your country when considering chemical control. Please consider upgrading your browser to the latest version or installing a new browser. J. Jpn. http://www.ecologie.gouv.fr/IMG/pdf/Muller_et_Tremoliere_rapport_final.pdf. In: Lake Biwa [ed. Allelopathy Journal, 23(2):403-410. by Hiroe, S.]. http://www.eppo.int/DATABASES/pqr/pqr.htm, Erhard D; Gross EM, 2006. However, cutting very early in the season, from mid-February onwards, using trailing knives, or chains, will limit the early season growth, and if regular treatments are made in this way during the summer, at 6-8 week intervals, then maximum biomass should not be reached. North European and Baltic Network on Invasive Alien Species. As this species is sold commercially as an aquarium or garden plant, there is a high risk of unintentional introduction. IPNI, 2009. Elodea occidentalis (Pursh) H. St. John : Anacharis nuttallii Planch. Lower leaves in pairs and reduced in size, ovate-lanceolate. Oki Y, 1994. Higher plants of California. Anderberg A, 1992. Stratégies adaptatives, facteurs écologiques, polymorphisme génétique des espèces, contribution au contrôle du phénomène invasif. Elodea minor (Engelm. Bowmer KH; Jacobs SWL; Sainty GR, 1995. Vol. Elodea nuttallii (Planchon) St. John - a competitive hydrophyte in the Romanian Danube river corridors. Nino Fdi; Thiébaut G; Muller S, 2005. by Pieterse A, Rytkönen A-M, Hellsten S]. Data source for updated system data added to species habitat list. H. St. John Nuttall's Waterweed species Accepted Name authority: UKSI Establishment means: Non-native Establishment status: GB Establishment Status - Established. \Rytkönen, A. M. \Hellsten, S.]. Taipei, Taiwan: Food and Fertilizer Technology Center for the Asian and Pacific Region, 96-105. Hungary. Lansdown RV, 2008. Since then, it has expanded very rapidly, and is regarded as one of the most troublesome aquatic weeds together with Egeria densa (Kunii and Maeda, 1982; Oki, 1994; Nagasaka et al., 2002). As a result, ecosystem of this lake was seriously changed. Austrian Committee DanubeResearch/IAD, Vienna, 4-8 September 2006], 107-111. Vol. A short history of the introduction and spread of Elodea in the British Isles. Female flower spathes borne in upper axils, narrowly cylindric but slightly broadened at the base and the tip, 9-25 mm long; extended to the surface by a threadlike hypanthium up to 9 cm long; sepals green, tiny obovate, ca. Ikusima I, 1980. Barrat-Segretain MH; Elger A, 2004. One or more of the features that are needed to show you the maps functionality are not available in the web browser that you are using. Germplasm Resources Information Network (GRIN). An inventory of alien species and their threat to biodiversity and economy in Switzerland. A collection of online floras. Jones JI; Eaton JW; Hardwick K, 1993. St. John in Japan. In: Integrated management of Elodea elodea nuttallii common name ( Planch. ) St changes surface. The basin scale and long-term changes in surface cover of aquatic herbivorous Lepidoptera ; Robach F Tremolieres! 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