Aquatic weeds:

• Curly leaved waterweed (Lagarosiphon major) /
• New Zealand pigmyweed (Crassula helmsii)
• Nuttall’s pondweed (Elodea nuttallii)
• Parrot’s feather (Myriophyllum aquaticum)
• Fringed water lily (Nymphoides peltata)
• Water fern (Azolla filiculoides)

Fish:

• Chub (Leuciscus cephalus)
• Dace (Leuciscus leuciscus)

Plants:

• Rhododendron (Rhododendron ponticum)
• Giant rhubarb (Gunnera tinctoria)

Mammals:

• Grey squirrel (Sciurus carolinensis)
• Muntjac deer (Muntiacus sp)

For further information on these and many other problem species, visit the Invasive Species Ireland website, the Biodiversity Ireland website or the Fisheries Ireland website