Western Australia Department of Agriculture (AgWest) Hawaiian Ecosystems at Risk project (HEAR) Global Compendium of Weeds (GCW) Global Compendium of Weeds
Egeria densa (Hydrocharitaceae)

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Presented here is summary information about the species Egeria densa from the Global Compendium of Weeds, and citations of references to this species as a weed. Definitions of terms are available in the GCW introduction View info about Adobe Acrobat PDF format. For further information--or to report corrections or concerns--contact webmaster@hear.org.

Synonyms/other Latin names: [ see GRIN ]

Status(es) (compiled for below "Data sources"): agricultural weed, casual alien, cultivation escape, environmental weed, garden thug, naturalised, noxious weed, weed [for definitions, see the GCW introduction View info about Adobe Acrobat PDF format.]

Origin (native to where): [no info]


Data sources:

Class B Weeds Whitman County Washington State. (noxious weed)

Lesley Henderson & Carina J. Cilliers (2002) Invasive Aquatic Plants. A guide to the identification of the most important and potentially dangerous invasive aquatic and wetland plants in South Africa. Plant Protection Research Institute Handbook No. 16. Agricultural Research Council, South Africa. SPECIES NOT WANTED IN SOUTHERN AFRICA. The list is based on prohibited and noxious plant lists for South Africa and other countries which share many invasive species with southern Africa, namely Australia, New Zealand, United States of America (federal list), Florida (State list) and California (State list) see references after the list. The list includes species not yet in southern Africa and those which may be present but are scarce and their cultivation should be discouraged. Algae are excluded.

A Provisional List Of Non-Native Invasive And Potentially Invasive Plants In New England. Leslie J. Mehrhoff. DRAFT Please Note: This list has no legal status 1 JAN 2000

A list of weed species from various New Zealand references to weeds compiled by P.A.Williams, Landcare Research, New Zealand. (naturalised, weed)

Alien Species. On March 10, the Japanese Cabinet submitted the bill dealing with invasive alien species to the Diet. The Diet passed the bill without amendments and the Invasive Alien Species Act was promulgated as of June 2, 2004. List of alien species recognized to be established in Japan or found in the Japanese wild (as of October 27, 2004) [PDF] (naturalised)

An analysis of 233 species of important and potentially important invasive plants in South Africa (i.e. the reason for importation). The species were extracted from the book Henderson, L. 2001. Alien weeds and invasive plants. Plant Protection Research Institute Handbook No. 12. (L. Henderson pers. comm.)

Andersen, R.N. (1968). Germination and Establishment of Weeds for Experimental Purposes. Weed Science Society of America Handbook. WSSA, Illinois. (weed)

Auld, B.A. and Medd, R.W. (1992) WEEDS, An illustrated botanical guide to the weeds of Australia. Inkata Press, Melbourne. (environmental weed, weed)

Batianoff, G.N. and Butler, D.W. (2002). Assessment of Invasive naturalized plants in south-east Queensland. Appendix. 1 Plant Protection Quarterly 17, 27-34. (cultivation escape, environmental weed, naturalised)

Botond, M. & Zoltán, B.D.(eds.) (2004) Biological Invasions in Hungary. Invasive Plants. TermészetBUVAR Alapítvány Kiadó. (casual alien)

Brossard, C.C., Randall, J.M. and Hoshovsky, M.C (2000) Invasive Plants of California's Wildlands. University of California Press, USA (environmental weed)

California Noxious Weed Control Projects Inventory (CNWCPI) (noxious weed)

Carr, G.W., Yugovic, J.V. and Robinson, K.E. (1992). Environmental Weed Invasions in Victoria. Department of Conservation and Environment. Melbourne (environmental weed)

Castro, S.A., Figueroa, J.A., Munoz-Schick, M. and Jaksic, F.M. (2005) Minimum residence time,biogeographical origin, and life cycle as determinants of the geographical extent of naturalized plants in continental Chile. Diversity and Distributions 11: 183-191. Appendix S1 Checklist of 428 naturalized plants in continental Chile, their first record date (FRD), life cycle (LC), biogeographic origin (BO), and number of administrative regions occupied (ARO). Am: America; Eu: Europe; As: Asia; Af: Africa; Au: Australia; N.Z.: New Zealand; Pan: Pantropical; Cosmo: Cosmopolitan; Tro: Tropical. (naturalised)

Chris Buddenhagen and Melanie Newfield (pers comm. 2001) A list of potential and actual environmental weeds for New Zealand. Department of Conservation. (environmental weed)

City of Portland, Oregon: Nuisance Plant List: Dominating Plants (weed). (weed)

Clement, E.J. and Foster, M.C. (1994) Alien plants of the British Isles. Botanical Society of the British Isles, London. (garden thug)

Wildlife Atlas CAPS plant taxa - Census of Plants in New South Wales National Parks? New South Wales National Parks and Wildlife Service. (weed)



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This page was created on 13 September 2007 by PT, and was last updated on 04 October 2007 by PT based on data from Rod Randall's Global Compendium of Weeds database dated 24 January 2007. Valid HTML 4.01!