Species Detail - Reed Sweet-grass (Glyceria maxima) - 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
Glyceria maxima
Reed Sweet-grass
NHMSYS0000459090 UnverifiedUnverified
N/A
glmax
(Hartm.) Holmb.
flowering plant
Species
4
2
2
05/07/2007
31/08/2010
10 March (recorded in 2012)
30 October (recorded in 1989)
Environmental Protection Agency, Water Framework Directive Lake Macrophyte Status Survey Data 2007 to 2019, National Biodiversity Data Centre, Ireland, Reed Sweet-grass (Glyceria maxima), accessed 21 April 2025, <https://maps.biodiversityireland.ie/Dataset/365/Species/41985>

Records per month (across all datasets)

Records per year (across all datasets)