Species Detail - Common Knapweed (Centaurea nigra sens. lat. (=nigra/debeauxii)) - Species information displayed is based on the dataset "Discrete vascular plant surveys".
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).
Centaurea nigra sens. lat. (=nigra/debeauxii)
Common Knapweed
NHMSYS0021232322
RecommendedWell-formed
N/A
cenig
N/A
Flowering plant
Species sensu lato
303
97
48
01/01/1980
29/07/2020
1 January (recorded in 1970)
29 December (recorded in 2018)
Collated by the National Biodiversity Data Centre from different sources, Discrete vascular plant surveys, National Biodiversity Data Centre, Ireland, Common Knapweed (Centaurea nigra sens. lat. (=nigra/debeauxii)), accessed 13 June 2025, <https://maps.biodiversityireland.ie/Dataset/190/Species/304316>