Species Detail - Nuttall's Waterweed (Elodea nuttallii) - Species information displayed is based on the dataset "Vascular plants: Online Atlas of Vascular Plants 2012 Onwards".
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
6
5
5
22/07/2019
10/05/2023
1 January (recorded in 2008)
2 December (recorded in 2015)
Collated by the National Biodiversity Data Centre from different sources, Vascular plants: Online Atlas of Vascular Plants 2012 Onwards, National Biodiversity Data Centre, Ireland, Nuttall's Waterweed (Elodea nuttallii), accessed 16 August 2025, <https://maps.biodiversityireland.ie/Dataset/409/Species/41365>