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Taxon: Hygrophila polysperma (Roxb.) T. Anderson

Genus: Hygrophila
Family: Acanthaceae subfamily: Acanthoideae tribe: Ruellieae.
Nomen number: 316380
Place of publication: J. Linn. Soc., Bot. 9:456. 1867
Name verified on: 08-Aug-2008 by ARS Systematic Botanists. Last updated: 08-Aug-2008
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:
AL*, CAª, FLª, IN(as Hygrophilia polysperma)ª, MAª, MNª, NCª, NHª, OKª, SCª, VTª.
ªAquatic. *Terrestrial. °In seed.
noxious weed information from Invaders Database System for northwestern U.S.

Common names:

  • East Indian swampweed   (Source: Castanea 63:110.1998) – English
  • hygrophila   (Source: NPB State Noxweed FL [http://nationalplantboard.org/docs/summaries/florida.pdf]) – English
  • Indian swampweed   (Source: Atlas Florida FL [http://florida.plantatlas.usf.edu/Plant.aspx?id=159]) – English
  • Miramar-weed   (Source: State Noxweed Seed FL) – English
  • indischer Wasserfreund   (Source: Zander Ency FL) – German
  • vattenvän   (Source: Vara kulturvaxt namn FL) – Swedish

Economic importance:


Distributional range:

      Native:
  • ASIA-TEMPERATE
    China: China - Guangdong, Guangxi, Yunnan
    Eastern Asia: Taiwan
  • ASIA-TROPICAL
    Indian Subcontinent: Bangladesh; Bhutan; India; Nepal; Pakistan - Sind
    Indo-China: Myanmar; Vietnam

      Naturalized: (links to other web resources are provided for some distributions)
  • NORTHERN AMERICA
    Southeastern U.S.A.: United States - Florida
    South-Central U.S.A.: United States - Texas
    Northern Mexico: Mexico - Tamaulipas

      Cultivated:
  • also cultivated

References:

More:

Synonyms:


Check other web resources for Hygrophila polysperma (Roxb.) T. Anderson:


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?316380 (22 July 2014)

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