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  • Potamogeton perfoliatus

      Notifiable Organism, Unwanted Organism, National Pest Plant Accord
    • Clasped pondweed

    • Scientific Name: Potamogeton perfoliatus
    • Origin: Introduced plant. Native to Central and North America, Eurasia, Africa and Australia
    • Type: Weed
    • Plant Life-form Type: Submerged
    • Taxonomy: L.
    • Presence: Eradicated, only known from three sites, never naturalised, first record from a pond near Lake Hayes, Otago in 1996
    • Habitat: Moderate flowing to still water bodies
    • Notes: A potential major submerged weed, with potential to hybridise with native Potamogeton spp.
    • Propagation: Stem fragments and seeds
    • Features: Leaves are usually narrow to broadly ovate and greater than 6mm wide. The submerged leaves clasp the stem.
    • Source: TIFBIS
    • Regional: Regional Pest Management Strategy: AUK.
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