Species Detail - Equal-leaved Knotgrass (Polygonum arenastrum) - Species information displayed is based on the dataset "BSBI tetrad data for Ireland".

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
Polygonum arenastrum
Equal-leaved Knotgrass
Polygonum aequale, Polygonum aequale nom. illegit., Polygonum aviculare subsp. aequale, Polygonum aviculare subsp. depressum, Polygonum calcatum, Polygonum microspermum
N/A
poare
Boreau
flowering plant
Species
200
117
70
01/01/1970
31/12/2010
20 May (recorded in 2012)
23 October (recorded in 2019)
Botanical Society of the British Isles, BSBI tetrad data for Ireland, National Biodiversity Data Centre, Ireland, Equal-leaved Knotgrass (Polygonum arenastrum), accessed 10 April 2020, <https://maps.biodiversityireland.ie/Dataset/9/Species/29158>

Records per month (across all datasets)

Records per year (across all datasets)