Invasive Species Northern Ireland

Feral ferret

Mustela furo

Status:

Established

Habitat:

Terrestrial

Threats:

Threatens protected bird species.

Find out more ›

Few-flowered garlic

Allium paradoxum

Status:

Established

Habitat:

Terrestrial

Threats:

Outcompetes native species. Spreads quickly.

Find out more ›

Floating pennywort

Hydrocotyle ranunculoides

Status:

Established

Habitat:

Freshwater

Threats:

Clogs waterways and negatively impacts on native species and ecosystems.

Find out more ›

Fringed water lily

Limnanthemum peltatum, N. nymphaeoides, N. peltata

Status:

Established

Habitat:

Freshwater

Threats:

Pioneer species. Fast growing. Spreads vegetatively.

Find out more ›

Gammarus pulex

Gamarus pulex

Status:

Established

Habitat:

Freshwater

Threats:

Outcompetes native species, reducing biodiversity

Find out more ›

Gammarus tigrinus

Status:

Established

Habitat:

Freshwater

Threats:

Predation on native species and bring novel diseases

Find out more ›

Giant hogweed

Heracleum mantegazzianum

Status:

Established

Habitat:

Terrestrial

Threats:

Public health hazard. Competition with native species.

Find out more ›

Giant knotweed

Fallopia sachalinensis

Status:

Established

Habitat:

Terrestrial

Threats:

Quick growing and difficult to control. Habitat generalist.

Find out more ›

Giant rhubarb

Gunnera tinctoria

Status:

Established

Habitat:

Terrestrial

Threats:

Competition with native species.

Find out more ›