Habitat: E. nutallii is most common in calcareous waters and eutrophic waters because it has a high tissue demand for both phosphorus and nitrogen.
Similar Species: Elodea canadensis
Description: Elodea nuttallii originated from
Origin and Distribution: This species is native to North America but is now invasive in
Impacts: E. nuttallii tends to dominate native macrophyte communities which may lead to there local extinction. Impacts have also been recorded on invertebrate communities. This species may also have a significant impact on protected sites.
E. nuttallii is also known to replace other invasive species as the dominant species in an impacted ecosystem. More recently data from
How did it get here? Traded as a garden plant.
Where is it found in Ireland? This species now occurs at a number of sites spread right across the island
- Promote native species and biodiversity - use alternative, native plants
- Know what you are buying/growing and source native Irish seed and plants
- Do not swap plants and cuttings
- Clean plants before adding to ponds (dispose of water away from water courses)
- Follow control advice and watch out for hitchhikers - inspect new imported purchases for invasive pest and pathogens
- Clean equipment before moving between waterbodies
- Never collect plants from the wild
- Safe disposal of plant material and growing media