Species Detail - Lesser Knotweed (Persicaria campanulata) - Species information displayed is based on all datasets.

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

Species image

Persicaria campanulata
Lesser Knotweed
Aconogonon campanulatum, Polygonum campanulatum, Polygonum campanulatum
N/A
pecam
(Hook. f.) Ronse Decr.
flowering plant
Species
93
65
42
01/01/1970
26/11/2023
13 February (recorded in 2019)
26 November (recorded in 2023)
National Biodiversity Data Centre, Ireland, Lesser Knotweed (Persicaria campanulata), accessed 20 April 2024, <https://maps.biodiversityireland.ie/Species/43868>

Records per month (across all datasets)

Records per year (across all datasets)