Species Detail - Nuttall's Waterweed (Elodea nuttallii) - Species information displayed is based on the dataset "Water Framework Directive Lake Macrophyte Status Survey Data 2007 to 2019".
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84).Species image
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Elodea nuttallii
Nuttall's Waterweed
NHMSYS0000458329
RecommendedWell-formed
Anacharis nuttallii Planch., Elodea nuttallii (Planchon) H.St.John, Esthwaite Water-Weed , Hydrilla lithuanica (Andrz. ex Besser) Dandy, Nuttall's waterweed , Nuttall's Water-Weed
Invasive Species: EU Invasive Alien Species Regulation No. 1143/2014 || Invasive Species: Regulation S.I. 477/2011 (Ireland) || Invasive Species: High Risk Invasive Species (2013 Report) || Invasive Species: Regulation S.I. 374/2024 (Ireland)
elnut
(Planch.) H. St. John
Flowering plant
Species
611
36
20
10/07/2007
28/08/2019
1 January (recorded in 2008)
2 December (recorded in 2015)
Environmental Protection Agency, Water Framework Directive Lake Macrophyte Status Survey Data 2007 to 2019, National Biodiversity Data Centre, Ireland, Nuttall's Waterweed (Elodea nuttallii), accessed 18 September 2025, <https://maps.biodiversityireland.ie/Dataset/365/Species/41365>