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Taxon: Egeria densa Planch.

Genus: Egeria
Family: Hydrocharitaceae subfamily: Anacharidoideae.
Nomen number: 400175
Place of publication: Ann. Sci. Nat., Bot. sér. 3, 11:80. 1849
Name verified on: 03-Oct-1994 by ARS Systematic Botanists. Last updated: 09-May-2011
No species priority site assigned.

NO ACCESSIONS IN NPGS UNDER THIS NAME.

SPECIES RESTRICTED AS A STATE NOXIOUS WEED
A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:
ALª*, CTª, IDª*, INª, MAª, MEª, MIª, NCª, NEª, NHª, ORª, PRª, SCª, VTª, WAª.
ªAquatic. *Terrestrial. °In seed.
noxious weed information from Invaders Database System for northwestern U.S.
Link to species profile at National Invasive Species Information Center

Common names:

  • Brazilian elodea   (Source: NPB State Noxweed ME [http://nationalplantboard.org/docs/summaries/maine.pdf]) – English
  • Brazilian waterweed   (Source: Hortus 3 ME [as Elodea densa]) – English
  • dense waterweed   (Source: Econ Pl Aust ME) – English
  • egeria   (Source: Noxweed Aust ME) – English
  • large-flower waterweed   (Source: BSBI ME) – English
  • leafy elodea   (Source: Noxweed Aust ME) – English
  • waterpes   (Source: Weeds SAfr 2001 ME) – Afrikaans
  • stor vattenpest   (Source: Vara kulturvaxt namn ME) – Swedish

Economic importance:


Distributional range:

      Native:
  • SOUTHERN AMERICA
    Brazil: Brazil [s.e.]
    Southern South America: Argentina; Uruguay

      Naturalized: (links to other web resources are provided for some distributions)
  • AFRICA
    Macaronesia: Portugal - Azores
    Southern Africa: South Africa
  • ASIA-TEMPERATE
    Western Asia: Turkey
    Caucasus: Georgia - Abkhazia
    China: China - Guangdong
  • AUSTRALASIA
    Australia: Australia
    New Zealand: New Zealand
  • EUROPE
    Europe
  • NORTHERN AMERICA
    Mexico
    United States
  • PACIFIC
    North-Central Pacific: United States - Hawaii
    South-Central Pacific: French Polynesia - Society Islands
  • SOUTHERN AMERICA
    Caribbean: Jamaica; Puerto Rico
    Mesoamerica: El Salvador; Nicaragua
    Northern South America: Venezuela

      Cultivated:
  • also cultivated

References:

More:

Synonyms:


Check other web resources for Egeria densa Planch.:


Images:

More:
  • Check PlantSystematics.org for additional images
  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?400175 (30 October 2014)

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