Invasive Species Northern Ireland

Sea buckthorn

Hippophae rhamnoides

Status:

Established

Habitat:

Terrestrial

Threats:

Shading native plants and changing dune structures

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Siberian chipmunk

Tamias sibericus

Status:

Established

Habitat:

Terrestrial

Threats:

Competes with native rodents and may have a local impact on ground-nesting birds. Potential disease vector.

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Slipper limpet

Crepidula fornicata

Status:

Established

Habitat:

Marine

Threats:

Habitat Alteration.

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Smooth cordgrass

Spartina anglica

Status:

Established

Habitat:

Marine

Threats:

Negative impacts on native intertidal communities.

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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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Wakame

Undaria pinnatifida

Status:

Established

Habitat:

Marine

Threats:

Habitat alteration. Loss of native biodiversity.

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Water fern

Azolla filiculoides

Status:

Established

Habitat:

Freshwater

Threats:

Reduction of surface light reaching the benthos.

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Water soldier

Stratiotes aloides

Status:

Established

Habitat:

Freshwater

Threats:

Spreads vegatively. Grows quickly and forms large mats.

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