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Parrots feather
Myriophyllum aquaticum
Status:
Established
Habitat:
Freshwater
Threats:
Competition with native macrophytes. Clogging of waterways.
Find out more ›
Quagga mussel
Dreissena rostriformis bugensis
Status:
Established
Habitat:
Freshwater
Threats:
Fouling, negative impacts on native species and local extinction of unionids.
Find out more ›
Red-eared, yellow-bellied and Cumberland sliders
Trachemys scripta spp.
Status:
Established
Habitat:
Freshwater
Threats:
It disturbs aquatic habitats and poses a human health risk, being a possible reservoir for salmonella
Find out more ›
Water fern
Azolla filiculoides
Status:
Established
Habitat:
Freshwater
Threats:
Reduction of surface light reaching the benthos.
Find out more ›
Water soldier
Stratiotes aloides
Status:
Established
Habitat:
Freshwater
Threats:
Spreads vegatively. Grows quickly and forms large mats.
Find out more ›
Zebra mussel
Dreissena polymorpha
Status:
Established
Habitat:
Freshwater
Threats:
Fouling, negative impacts on native species and local extinction of unionids.
Find out more ›
Invasive Species Ireland
Invasive Species Ireland
Invasive Species Week 2022
ISW 2022 Events & Webinars
Back
About ISNI
Research
Invasive Species Maps
Back
Legislation
EU IAS Regulation
Management Measures for Widely Spread Species
Back
Northern Ireland
Policy Documents for Northern Ireland
Back
Species Accounts
Species Alerts
American lobster – Retain & Report
List of identification guides
Back
What can I do?
Invasive Plant Management
Site Management Resources
Back
Biosecurity & Prevention
Pathway Action Plans
Check Clean Dry
Guidance for Anglers
Guidance for boaters
Guidance for canoeists, kayakers and stand up paddle boarders
Guidance for Aquaculture
Guidance for field workers
Guidance for clubs and managers of water bodies
Guidance for events
Check Clean Dry Resources
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