Species Detail - Lesser Knotweed (Persicaria campanulata) - Species information displayed is based on the dataset "Species Data from the National Vegetation Database".

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
Persicaria campanulata
Lesser Knotweed
Aconogonon campanulatum, Polygonum campanulatum, Polygonum campanulatum
N/A
pecam
(Hook. f.) Ronse Decr.
flowering plant
Species
2
2
2
04/07/2007
09/07/2007
13 February (recorded in 2019)
26 November (recorded in 2023)
Collated by the National Biodiversity Data Centre from different sources, Species Data from the National Vegetation Database, National Biodiversity Data Centre, Ireland, Lesser Knotweed (Persicaria campanulata), accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/186/Species/43868>

Records per month (across all datasets)

National Biodiversity Data Centre, Ireland, Lesser Knotweed (Persicaria campanulata), image, accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/186/Species/43868>

Records per year (across all datasets)

National Biodiversity Data Centre, Ireland, Lesser Knotweed (Persicaria campanulata), image, accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/186/Species/43868>