Species Detail - Knotgrass (Polygonum aviculare) - Species information displayed is based on the dataset "Species Data from the National Vegetation Database".
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84).
Polygonum aviculare
Knotgrass
NHMSYS0000455480
UnverifiedUnverified
Polygonum aviculare sens.str. L., Polygonum aviculare var. heterophyllum Munshi & Javeid, Polygonum heterophyllum nom. illegit. Lindm., Polygonum littorale sensu Gren. & Godr. et auct., non Link ex Pers.
N/A
poavi
L.
flowering plant
Species
152
84
53
25/08/1968
28/09/2011
1 January (recorded in 1970)
8 December (recorded in 2005)
Collated by the National Biodiversity Data Centre from different sources, Species Data from the National Vegetation Database, National Biodiversity Data Centre, Ireland, Knotgrass (Polygonum aviculare), accessed 28 April 2025, <https://maps.biodiversityireland.ie/Dataset/186/Species/39373>