Species Detail - Esthwaite Waterweed (Hydrilla verticillata) - Species information displayed is based on the dataset "BSBI tetrad data for Ireland".

Terrestrial Map - 10km

Distribution of the number of records recorded within each 10km grid square (ITM).
Live Map

Marine Map - 50km

Distribution of the number of records recorded within each 50km grid square (WGS84).
Live Map
Hydrilla verticillata
Esthwaite Waterweed
Elodea nuttallii auct., non (Planch.) H. St. John, Serpicula verticillata, Serpicula verticillata
Threatened Species: Endangered
hyver
(L. f.) Royle
flowering plant
Species
4
1
1
01/01/1930
31/12/2010
19 May (recorded in 2004)
16 August (recorded in 2006)
Botanical Society of the British Isles, BSBI tetrad data for Ireland, National Biodiversity Data Centre, Ireland, Esthwaite Waterweed (Hydrilla verticillata), accessed 22 September 2020, <https://maps.biodiversityireland.ie/Dataset/9/Species/42557>

Records per month (across all datasets)

Records per year (across all datasets)