Species Detail - Water-violet (Hottonia palustris) - Species information displayed is based on the dataset "Water Framework Directive Lake Macrophyte Status Survey Data 2007 to 2019".

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

Species image

Hottonia palustris
Water-violet
NBNSYS0000003932 RecommendedWell-formed
Threatened Species: Vulnerable
hopal
L.
Flowering plant
Species
5
1
1
16/07/2009
08/07/2015
27 April (recorded in 2024)
16 September (recorded in 2011)
Environmental Protection Agency, Water Framework Directive Lake Macrophyte Status Survey Data 2007 to 2019, National Biodiversity Data Centre, Ireland, Water-violet (Hottonia palustris), accessed 16 July 2025, <https://maps.biodiversityireland.ie/Dataset/365/Species/29279>

Records per month (across all datasets)

Records per year (across all datasets)