Species Detail - Common Knapweed (Centaurea nigra sens. lat. (=nigra/debeauxii)) - Species information displayed is based on the dataset "General Biodiversity Records from 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
Centaurea nigra sens. lat. (=nigra/debeauxii)
Common Knapweed
NHMSYS0021232322 RecommendedWell-formed
N/A
cenig
N/A
Flowering plant
Species sensu lato
1
1
1
17/06/2022
17/06/2022
1 January (recorded in 1970)
29 December (recorded in 2018)
Collated by the National Biodiversity Data Centre from different sources, General Biodiversity Records from Ireland, National Biodiversity Data Centre, Ireland, Common Knapweed (Centaurea nigra sens. lat. (=nigra/debeauxii)), accessed 13 June 2025, <https://maps.biodiversityireland.ie/Dataset/7/Species/304316>

Records per month (across all datasets)

Records per year (across all datasets)