Species Detail - Horned Pondweed (Zannichellia palustris) - Species information displayed is based on the dataset "The Flora of County Waterford".
Terrestrial Map - 10kmDistribution of the number of records recorded within each 10km grid square (ITM).
Marine Map - 50kmDistribution of the number of records recorded within each 50km grid square (WGS84).
12 May (recorded in 1991)
28 September (recorded in 2012)
Paul R Green, The Flora of County Waterford, National Biodiversity Data Centre, Ireland, Horned Pondweed (Zannichellia palustris), accessed 29 May 2020, <https://maps.biodiversityireland.ie/Dataset/23/Species/28116>