Species Detail - Common Knapweed (Centaurea nigra sens. lat. (=nigra/debeauxii)) - Species information displayed is based on the dataset "Local BioBlitz Challenge 2013".
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
7
3
3
03/03/2013
24/08/2013
1 January (recorded in 1970)
29 December (recorded in 2018)
Collated by the National Biodiversity Data Centre from different sources, Local BioBlitz Challenge 2013, National Biodiversity Data Centre, Ireland, Common Knapweed (Centaurea nigra sens. lat. (=nigra/debeauxii)), accessed 13 June 2025, <https://maps.biodiversityireland.ie/Dataset/184/Species/304316>