Species Detail - Himalayan Knotweed (Persicaria wallichii) - Species information displayed is based on the dataset "National Invasive Species 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)._0.jpg)
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Persicaria wallichii
Himalayan Knotweed
Aconogonon polystachyum, Aconogonum polystachyum, Persicaria polystachya non Opiz, Persicaria polystachya non Opiz, Pleuropteropyrum polystachyum, Polygonum polystachyum, Rubrivena polystachya
Invasive Species: Invasive Species || Invasive Species: Invasive Species >> Medium Impact Invasive Species || Invasive Species: Invasive Species >> Regulation S.I. 477 (Ireland)
pewal
Greuter & Burdet
flowering plant
Species
182
66
36
10/08/2009
03/07/2021
22 March (recorded in 2014)
25 November (recorded in 2013)
Collated by the National Biodiversity Data Centre from different sources, National Invasive Species Database, National Biodiversity Data Centre, Ireland, Himalayan Knotweed (Persicaria wallichii), accessed 26 April 2024, <https://maps.biodiversityireland.ie/Dataset/66/Species/29165>