Species Detail - Rigid Hornwort (Ceratophyllum demersum) - Species information displayed is based on all datasets.

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
Ceratophyllum demersum
Rigid Hornwort
Hornwort, Rigid Hornwort
N/A
cedem
L.
flowering plant
Species
525
61
34
01/01/1600
05/08/2023
19 May (recorded in 2012)
16 October (recorded in 2008)
National Biodiversity Data Centre, Ireland, Rigid Hornwort (Ceratophyllum demersum), accessed 28 March 2024, <https://maps.biodiversityireland.ie/Species/28475>

Records per month (across all datasets)

Records per year (across all datasets)