| Family : | ASTERACEAE | 
| Common Name (UK) : | Common Knapweed | 
| Common Name (DE) : | Schwarze Flockenblume | 
| Common Name (FR) : | Centaurée noire | 
| Habitat : | grassland and moorland, roadsides, forestry rides | 
| Remarks : | Introduced to the U.S. where it is considered a noxious weed. | 
| First appearing : | June | 
| Abundance : | 
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