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   Hydrilla verticillata (plante aquatique) English 
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    Détails de cette espèce dans North Carolina
    Statut: Exotique
    Statut d'envahissement: Envahissant
    Occurrence: Signalé(e)
    Source: http://nas.er.usgs.gov/plants/docs/hy_verti.html
    Date d'introduction:
    Mode d'Introduction: Inconnu
    Notes sur l'espèce pour cette localité:
    Both dioecious and monoecious plants are found.
    Notes sur la gestion de l'espèce dans cette localité:
    Notes sur la localité:
    Impacts:
    Compétition: Hydrilla grows tall and dense and displaces other aquatic life thereby reducing biodiversity.
    Économique/Subsistance: Overabundant Hydrilla makes it difficult for fish to find their prey, causing a decline in valuable sport fisheries. Recreational areas lose visitors and their associated monetary spending when Hydrilla clogs boat motors and entangles swimmers.
    Nuisance pour les personnes: Hydrilla makes recreational activities difficult by entangling boat motors and choking swimming areas.
    Dernière mise à jour: 29/12/2003 11:45:00 a.m.
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