Species Detail - Rigid Hornwort (Ceratophyllum demersum) - Species information displayed is based on the dataset "BSBI tetrad data for Ireland".

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
72
36
24
01/01/1600
31/12/2010
19 May (recorded in 2012)
16 October (recorded in 2008)
Botanical Society of the British Isles, BSBI tetrad data for Ireland, National Biodiversity Data Centre, Ireland, Rigid Hornwort (Ceratophyllum demersum), accessed 19 March 2024, <https://maps.biodiversityireland.ie/Dataset/9/Species/28475>

Records per month (across all datasets)

Records per year (across all datasets)