Invasive Species Northern Ireland

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Sika deer

Cervus nippon

Status:

Established

Habitat:

Terrestrial

Threats:

Can cause severe ecological damage, spread disease, pose traffic hazards and inflict costly destruction on forests.

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Snowberry

Symphoricarpos albus

Status:

Established

Habitat:

Terrestrial

Threats:

Forms dense thickets and displaces native biodiversity

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Spanish bluebell

Hyacinthoides hispanica

Status:

Established

Habitat:

Terrestrial

Threats:

Competition with native plants, hybridisation with native bluebell

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Winter heliotrope

Petasites pyrenaicus

Status:

Established

Habitat:

Terrestrial

Threats:

Forms a dense carpet of leaves, outcompeting native species

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