Species Detail - Equal-leaved Knotgrass (Polygonum arenastrum) - Species information displayed is based on the dataset "Irish Vascular Plant Data - Robert Northridge".
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 arenastrum
Equal-leaved Knotgrass
NBNSYS0000003745
UnverifiedUnverified
Polygonum aequale Lindm., Polygonum aequale nom. illegit. Lindm., Polygonum aviculare subsp. aequale Asch. & Graebn., Polygonum aviculare subsp. depressum (Meisn.) Arcang., Polygonum calcatum Lindm., Polygonum microspermum Jord. ex Boreau
N/A
poare
Boreau
flowering plant
Species
21
17
8
01/08/1987
03/08/2019
20 May (recorded in 2012)
23 October (recorded in 2019)
Robert Northridge, Irish Vascular Plant Data - Robert Northridge, National Biodiversity Data Centre, Ireland, Equal-leaved Knotgrass (Polygonum arenastrum), accessed 12 May 2025, <https://maps.biodiversityireland.ie/Dataset/256/Species/29158>