Coypu
Myocastor coypus
Status:
Potential
Habitat:
Terrestrial
Threats:
Riparian, wetland habitats destruction
Crayfish plague
Aphanomyces astaci
Status:
Established
Habitat:
Freshwater
Threats:
Destruction of the native White - Clawed Crayfish population
Crimson fountaingrass
Pennisetum setaceum
Status:
Potential
Habitat:
Terrestrial
Threats:
It can readily outcompete native plants with important negative impact on vulnerable native species. It is also inflammable.
Curly waterweed
Lagarosiphon major
Status:
Established
Habitat:
Freshwater
Threats:
Significant changes to the ecology of the invaded habitat for native plants, insects and fish.
Dace
Leuciscus leuciscus
Status:
Established
Habitat:
Freshwater
Threats:
Negative impacts on native salmonids.
Devil’s tongue weed
Grateloupia turuturu
Status:
Established
Habitat:
Marine
Threats:
Outcompetes native species. Can survive in a wide range of habitats.
Eastern baccharis
Baccharis halimifolia
Status:
Potential
Habitat:
Terrestrial
Threats:
The shrub can grow into dense impenetrable thickets that choke all other native vegetation. EU Species of Union Concern.
Egyptian goose
Alopochen aegyptiacus
Status:
Potential
Habitat:
Terrestrial
Threats:
Hybrisation with goose and duck species. Disease vector. Overgrazing. Outcompetes native fauna.
False acacia
Robinia pseudoacacia
Status:
Potential
Habitat:
Terrestrial
Threats:
Outcompes native plants. Changes nutrient cycles.
Invasive Species Ireland

Invasive Species Ireland