Species Detail - Large-flowered Waterweed (Egeria densa) - Species information displayed is based on the dataset "National Invasive Species Database".
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).
Egeria densa
Large-flowered Waterweed
NHMSYS0000458284
RecommendedWell-formed
Egeria densa Planchon, Elodea densa (Planchon) Caspary, Elodea densa (Planch.) Casp., Large-Flowered Waterweed
Invasive Species: Regulation S.I. 477/2011 (Ireland) || Invasive Species: Detailed Risk Assesment || Invasive Species: Medium Risk Invasive Species (2013 Report) || Invasive Species: Regulation S.I. 374/2024 (Ireland) || Invasive Species: The Wildlife (Northern Ireland) Order 1985 || Invasive Species: Detailed Risk Assesment >> Moderate Risk
egden
Planch.
Flowering plant
Species
2
2
2
01/01/1988
30/11/2012
N/A
N/A
Collated by the National Biodiversity Data Centre from different sources, National Invasive Species Database, National Biodiversity Data Centre, Ireland, Large-flowered Waterweed (Egeria densa), accessed 31 August 2025, <https://maps.biodiversityireland.ie/Dataset/397/Species/41323>