Species Detail - Slender Naiad (Najas flexilis) - 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

Species image

Najas flexilis
Slender Naiad
NHMSYS0000460842 UnverifiedUnverified
Protected Species: EU Habitats Directive || Protected Species: EU Habitats Directive >> Annex II || Protected Species: EU Habitats Directive >> Annex IV || Protected Species: Flora Protection Order || Protected Species: Flora Protection Order >> Flora Protection Order || Threatened Species: Vulnerable
nafle
(Willd.) Rostk. & W.L.E. Schmidt
flowering plant
Species
156
16
11
09/07/2007
21/08/2019
13 June (recorded in 2009)
21 October (recorded in 2009)
Environmental Protection Agency, Water Framework Directive Lake Macrophyte Status Survey Data 2007 to 2019, National Biodiversity Data Centre, Ireland, Slender Naiad (Najas flexilis), accessed 26 April 2025, <https://maps.biodiversityireland.ie/Dataset/365/Species/43341>

Records per month (across all datasets)

Records per year (across all datasets)