When it is recorded
Jan132
Feb146
Mar278
Apr990
May1,667
Jun3,353
Jul4,587
Aug3,969
Sep1,470
Oct635
Nov314
Dec134
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Worcestershire | England | 2,463 | |
| 2 | Sefton | England | 704 | |
| 3 | Argyll and Bute | Scotland | 641 | |
| 4 | Cambridgeshire | England | 421 | |
| 5 | Highland | Scotland | 402 | |
| 6 | North Yorkshire | England | 393 | |
| 7 | Herefordshire, County of | England | 373 | |
| 8 | Powys | Wales | 320 | |
| 9 | Essex | England | 315 | |
| 10 | Cumbria | England | 311 | |
| 11 | Halton | England | 306 | |
| 12 | Norfolk | England | 281 | |
| 13 | Sheffield | England | 278 | |
| 14 | Telford and Wrekin | England | 242 | |
| 15 | Liverpool | England | 228 |
15,168 England2,506 Scotland1,036 Wales120 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 125 counties in all.
About this species
- Records since 2000
- 20,597
- Peak month
- July
- Counties with records
- 125
- Scientific name
- Centaurea nigra
- Also known as
- Common Knapweed
- Group
- Flowering plants
- NBN Atlas records since 2000
- 68,130
- Most recorded in
- Worcestershire, Sefton, Argyll and Bute, Cambridgeshire, Highland, North Yorkshire, Herefordshire, County of, Powys, Essex, Cumbria, Halton, Norfolk +43
- Conservation designations
- GB Red List (2001 IUCN criteria)
- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Class
- Magnoliopsida
- Order
- Asterales
- Family
- Asteraceae
- Genus
- Centaurea
- Name with authority
- Centaurea nigra L.
- Contributing datasets
- 64
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q1851639 · GBIF 3128225