False acacia
Robinia pseudoacacia
Status:
Potential
Habitat:
Terrestrial
Threats:
Outcompes native plants. Changes nutrient cycles.
Fanwort
Cabomba caroliniana
Status:
Potential
Habitat:
Freshwater
Threats:
Competition with native species. Clogging of waterways. EU Species of Union Concern
Feral ferret
Mustela furo
Status:
Established
Habitat:
Terrestrial
Threats:
Threatens protected bird species.
Few-flowered garlic
Allium paradoxum
Status:
Established
Habitat:
Terrestrial
Threats:
Outcompetes native species. Spreads quickly.
Fishhook waterflea
Cercopagis pengoi
Status:
Potential
Habitat:
Freshwater
Threats:
Competiton with native invertebrates. Negative impacts on native fish.
Floating pennywort
Hydrocotyle ranunculoides
Status:
Established
Habitat:
Freshwater
Threats:
Clogs waterways and negatively impacts on native species and ecosystems.
Floating primrose - willow
Ludwigia peploides
Status:
Potential
Habitat:
Freshwater
Threats:
Shades out native plants and changes water chemistry
Fox squirrel
Sciurus niger
Status:
Potential
Habitat:
Terrestrial
Threats:
Outcompetes native red squirrel. Disease vector.
Fringed water lily
Limnanthemum peltatum, N. nymphaeoides, N. peltata
Status:
Established
Habitat:
Freshwater
Threats:
Pioneer species. Fast growing. Spreads vegetatively.
Invasive Species Ireland

Invasive Species Ireland