Tree-of-heaven
Ailanthus altissima
Status:
Potential
Habitat:
Terrestrial
Threats:
Highly adaptable. Can outcompete native species
Vine-like fern
Lygodium japonicum
Status:
Potential
Habitat:
Terrestrial
Threats:
Outcompetes native species.
Virile crayfish
Orconectes virilis
Status:
Potential
Habitat:
Freshwater
Threats:
Predation of native species leading to disruption of habitats
Water hyacinth
Eichhornia crassipes
Status:
Potential
Habitat:
Freshwater
Threats:
Likely to have a significant adverse impact on biodiversity or the related ecosystem services
Water lettuce
Pistia stratiotes
Status:
Potential
Habitat:
Freshwater
Threats:
Alters habitats. Creates single species matts. Crowds out native species.
Water primrose
Ludwigia grandiflora
Status:
Potential
Habitat:
Freshwater
Threats:
Choke waterways and competing with native species
Whitetop weed
Parthenium hysterophorus
Status:
Potential
Habitat:
Terrestrial
Threats:
Competes with native species
Wild boar and hybrids
Sus scrofa
Status:
Potential
Habitat:
Terrestrial
Threats:
Habitat alteration. negative impacts on native flora and fauna.
Zander
Stizostedion lucioperca
Status:
Potential
Habitat:
Freshwater
Threats:
Competes with native fish species. Transmits fish disease and parasites.
Invasive Species Ireland

Invasive Species Ireland