Invasive Species Ireland

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Giant rhubarb

Gunnera tinctoria

Status:

Established

Habitat:

Terrestrial

Threats:

Competition with native species.

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Grey squirrel

Sciurus carolinensis

Status:

Established

Habitat:

Terrestrial

Threats:

Threatens red squirrel and woodlands.

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Gyrodactylus salaris

Gyrodactylus salaris

Status:

Potential

Habitat:

Freshwater

Threats:

Serious negative impacts on salmonid stocks.

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Harlequin ladybird

Harmonia axyridis

Status:

Established

Habitat:

Terrestrial

Threats:

Alert: Specimen found in Ireland.

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Himalayan balsam

Impatiens glandulifera

Status:

Established

Habitat:

Terrestrial

Threats:

Competition with native plants.

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Hottentot fig

Carpobrotus edulis

Status:

Established

Habitat:

Terrestrial

Threats:

Changes to dune environments.

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Japanese arrowroot

Pueraria montana var. lobata

Status:

Potential

Habitat:

Terrestrial

Threats:

Competition with native species.

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Japanese knotweed

Fallopia japonica

Status:

Established

Habitat:

Terrestrial

Threats:

Reduction of species diversity.

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Muntjac Deer

Muntiacus reevesi

Status:

Established

Habitat:

Terrestrial

Threats:

Preventing seed regeneration of important conservation species.

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Invasive Species Ireland