Species Detail - Lesser Knotweed (Persicaria campanulata) - 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

Species image

Persicaria campanulata
Lesser Knotweed
Aconogonon campanulatum, Polygonum campanulatum, Polygonum campanulatum
N/A
pecam
(Hook. f.) Ronse Decr.
flowering plant
Species
30
26
18
01/01/1970
31/12/2010
13 February (recorded in 2019)
22 October (recorded in 2002)
Botanical Society of the British Isles, BSBI tetrad data for Ireland, National Biodiversity Data Centre, Ireland, Lesser Knotweed (Persicaria campanulata), accessed 26 November 2020, <https://maps.biodiversityireland.ie/Dataset/9/Species/43868>

Records per month (across all datasets)

Records per year (across all datasets)