Species Detail - Spiked Water-milfoil (Myriophyllum spicatum) - Species information displayed is based on the dataset "Vascular plants: Online Atlas of Vascular Plants 2012 Onwards".

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
Myriophyllum spicatum
Spiked Water-milfoil
NBNSYS0000003608 UnverifiedUnverified
N/A
myspi
L.
flowering plant
Species
20
18
15
01/03/2002
08/11/2021
18 April (recorded in 2011)
8 November (recorded in 1991)
Collated by the National Biodiversity Data Centre from different sources, Vascular plants: Online Atlas of Vascular Plants 2012 Onwards, National Biodiversity Data Centre, Ireland, Spiked Water-milfoil (Myriophyllum spicatum), accessed 21 April 2025, <https://maps.biodiversityireland.ie/Dataset/409/Species/29052>

Records per month (across all datasets)

Records per year (across all datasets)