Species Detail - Common Knapweed (Centaurea nigra sens. lat. (=nigra/debeauxii)) - Species information displayed is based on the dataset "Species Data from the National Vegetation Database".
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
1963
438
107
30/08/1961
03/10/2011
1 January (recorded in 1970)
29 December (recorded in 2018)
Collated by the National Biodiversity Data Centre from different sources, Species Data from the National Vegetation Database, National Biodiversity Data Centre, Ireland, Common Knapweed (Centaurea nigra sens. lat. (=nigra/debeauxii)), accessed 15 June 2025, <https://maps.biodiversityireland.ie/Dataset/186/Species/304316>