Taxon: Egeria densa Planch.

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, MAª, MEª, NHª, ORª, PRª, SCª, VTª, WAª.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Link to species profile at

Common names:

• Brazilian elodea   (Source: NPB State Noxweeds ) – English
  
• Brazilian waterweed   (Source: Hortus 3 [as Elodea densa]) – English
  
• dense waterweed   (Source: Econ Pl Aust ) – English
  
• egeria   (Source: Noxweed Aust ) – English
  
• large-flowered waterweed   (Source: BSBI ) – English
  
• leafy elodea   (Source: Noxweed Aust ) – English
  
• waterpes   (Source: Weeds SAfr 2001 ) – Afrikaans
  

Economic importance:

• Environmental: ornamental   (aquarium plant fide Econ Pl Aust; Invasive Pl Spec)
  
• Weed   (fide Econ Pl Aust; Invasive Pl Spec; Weeds SAfr 2001)
  

Distributional range:

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

• naturalized in Europe, s. Africa, Asia, Australia, New Zealand, & United States (including Hawaii)

References:

• Botanical Society of the British Isles. 2007. BSBI checklist. (BSBI)
• FNA Editorial Committee. 1993–. Flora of North America. (F NAmer)
• 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. (Weeds SAfr 2001)
• Henderson, M. et al. 1987. Declared weeds and alien invader plants in South Africa. Botanical Research Institute, bulletin 413. (Weeds SAfr)
• Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening. (Dict Gard)
• Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia. (Econ Pl Aust)
• Liberty Hyde Bailey Hortorium. 1976. Hortus third. (Hortus 3) [= Elodea densa].
• National Plant Board. 2008–. National Plant Board federal and state quarantine summaries. (NPB State Noxweeds) [re. common names for noxious weeds of Maine].
• Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia. (Noxweed Aust)
• Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. (F Carolin)
• Seymour, F. 1969. The flora of New England. (F NEng)
• Tutin, T. G. et al., eds. 1980. Flora europaea. (F Eur) 5:4.
• USDA National Agricultural Library. National Invasive Species Information Center (Nat Invasive Sp Info)
• Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds. (Invasive Pl Spec)

More:

Search AGRICOLA article citation database for citations referencing Egeria densa.

Search NCBI's Entrez search engine for PubMed citations referencing Egeria densa. Note: Defaults to a search by genus or species epithet if species binomial not found.

Synonyms:

• (≡) Anacharis densa (Planch.) Vict.
  
• (≡) Elodea densa (Planch.) Casp.
  

Check other databases for Egeria densa Planch.:

• Flora Europaea: Database of European Plants (ESFEDS)
• Flora of North America: Collaborative Floristic Effort of North American Botanists
• Flora del Conosur: Catálogo de las Plantas Vasculares del Conosur
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  Note: Defaults to a search by genus or species epithet if species binomial not found.

Images:

• Forestry Images: from www.forestryimages.org

More:

• Check PlantSystematics.org for additional 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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