Species Detail - Great Fen-sedge (Cladium mariscus) - Species information displayed is based on the dataset "Water Framework Directive Lake Macrophyte Status Survey Data 2007 to 2019".

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
Cladium mariscus
Great Fen-sedge
NBNSYS0000002409 UnverifiedUnverified
N/A
clmar
(L.) Pohl
flowering plant
Species
62
11
10
26/07/2007
12/07/2018
1 January (recorded in 1988)
14 October (recorded in 2010)
Environmental Protection Agency, Water Framework Directive Lake Macrophyte Status Survey Data 2007 to 2019, National Biodiversity Data Centre, Ireland, Great Fen-sedge (Cladium mariscus), accessed 21 April 2025, <https://maps.biodiversityireland.ie/Dataset/365/Species/28258>

Records per month (across all datasets)

Records per year (across all datasets)