Species Detail - Rigid Hornwort (Ceratophyllum demersum) - Species information displayed is based on the dataset "Irish Vascular Plant Data - Robert Northridge".
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).
Ceratophyllum demersum
Rigid Hornwort
Hornwort, Rigid Hornwort
N/A
cedem
L.
flowering plant
Species
6
3
3
13/07/2015
08/09/2019
19 May (recorded in 2012)
16 October (recorded in 2008)
Robert Northridge, Irish Vascular Plant Data - Robert Northridge, National Biodiversity Data Centre, Ireland, Rigid Hornwort (Ceratophyllum demersum), accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/256/Species/28475>