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Taxon: Hydrilla verticillata (L. f.) Royle

Genus: Hydrilla
Family: Hydrocharitaceae subfamily: Hydrilloideae.
Nomen number: 316414
Place of publication: Ill. bot. Himal. Mts. 1(10):376. 1839
Name verified on: 23-Dec-1994 by ARS Systematic Botanists. Last updated: 22-Dec-2000
No species priority site assigned.

NO ACCESSIONS IN NPGS UNDER THIS NAME.

SPECIES RESTRICTED AS A FEDERAL AND STATE NOXIOUS WEED
A declared noxious weed by USDA-APHIS.
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*, AZª*°, CAª, COª*, CTª, FLª, IDª*, INª, MAª, MEª, MIª, MNª, MSª, NCª, NEª, NHª, NMª, NVª, OKª, ORª, PRª, SCª, TXª, 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:


Economic importance:

More:

Distributional range:

      Native:
  • AFRICA
    East Tropical Africa: Kenya; Tanzania; Uganda
    West-Central Tropical Africa: Burundi; Zaire
    West Tropical Africa: Cote D'Ivoire; Ghana
    Western Indian Ocean: Madagascar; Mauritius; Reunion
  • ASIA-TEMPERATE
    Western Asia: Afghanistan
    Siberia: Russian Federation - Eastern Siberia, Western Siberia
    Middle Asia: Kazakhstan
    China: China
    Eastern Asia: Japan; Korea
  • ASIA-TROPICAL
    Indian Subcontinent: Bangladesh; Bhutan; India; Nepal; Pakistan; Sri Lanka
    Indo-China: Myanmar; Thailand; Vietnam
    Malesia: Indonesia; Malaysia; Papua New Guinea; Philippines
  • AUSTRALASIA
    Australia: Australia
  • EUROPE
    Northern Europe: Ireland
    Middle Europe: Germany; Poland
    East Europe: Belarus; Latvia; Lithuania
    Southeastern Europe: Italy

      Naturalized:
  • AFRICA
    Macaronesia: Spain - Canary Islands
  • AUSTRALASIA
    New Zealand: New Zealand
  • NORTHERN AMERICA
    Mexico
    United States
  • PACIFIC
    Northwestern Pacific: Guam
    Southwestern Pacific: Fiji; New Caledonia
  • SOUTHERN AMERICA
    South America

      Cultivated:
  • also cultivated

      Other:
  • exact native range obscure

References:

More:

Check other web resources for Hydrilla verticillata (L. f.) Royle:


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?316414 (30 July 2014)

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