Species Detail - Rigid Hornwort (Ceratophyllum demersum) - Species information displayed is based on the dataset "Irish vascular plant data 1999-2009".
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).
Hornwort, Rigid Hornwort
19 May (recorded in 2012)
16 October (recorded in 2008)
Dr David Thomas Holyoak, Irish vascular plant data 1999-2009, National Biodiversity Data Centre, Ireland, Rigid Hornwort (Ceratophyllum demersum), accessed 23 October 2021, <https://maps.biodiversityireland.ie/Dataset/35/Species/28475>