Species Detail - Ray's Knotgrass (Polygonum oxyspermum) - Species information displayed is based on the dataset "Irish vascular plant data 1999-2009".

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 oxyspermum
Ray's Knotgrass
N/A
N/A
pooxy
C.A. Mey. & Bunge
flowering plant
Species
2
2
2
01/08/2004
07/06/2005
7 June (recorded in 2005)
23 October (recorded in 2016)
Dr David Thomas Holyoak, Irish vascular plant data 1999-2009, National Biodiversity Data Centre, Ireland, Ray's Knotgrass (Polygonum oxyspermum), accessed 14 August 2020, <https://maps.biodiversityireland.ie/Dataset/35/Species/44054>

Records per month (across all datasets)

Records per year (across all datasets)