Aderyn :: Distribution Maps :: 10k Map

Below is the 10km distribution map for Centaurea nigra sens. lat. (=nigra/debauxii) (Common Knapweed).

Total of 23,026 records found in 277 grid squares. Highest record count for a grid square was 732, lowest was 1.
1 - 45
46 - 91
92 - 182
183 - 365
366 - 732

Date Range

Records were found between the years 1800 and 2020. Use the form below to the change the date range and click refresh to reload the distribution map with this date range.

Related Species

Species within the same taxon family.


Common hawker, Aeshna juncea Hairy Dragonfly Black Darter Eupeodes luniger Hoverfly Marsh fritillary, Euphydryas aurinia Southern Hawker Black darter, Sympetrum danae Lentinellus cochleatus (Aniseed Cockleshell) in Drostre Wood Roe Deer Turkey Tail in Drostre Wood Buff tailed bumblebee, Bombus terrestris Large red damselfly (<i>Pyrrhosoma nymphula</i>) Athalia scutellariae Sawfly Gomphus vulgatissimus Common Clubtail Colletes hederae Ivy Bee Small copper, Lycaena phlaeas Crested Coralloides in Drostre Wood Redwing, Turdus iliacus False widow spider, Steatoda bipunctata Common Hawker Pellucid hoverfly, Volucella pellucens, Banded demoiselle (<i>Calopteryx splendens</i>) Green Hairstreak Sparrowhawk Hoverfly - Melangyna Umbellatarum