|
Centaurea cyanus
| Bachelor's button |
|
Centaurea diffusa
| Spreading star thistle |
|
Centaurea jacea
| Brown-rayed knapweed |
|
Centaurea nigra
| Black knapweed; Lesser knapweed |
|
Centaurea nigrescens
| Tyrol knapweed; Black knapweed |
|
Centaurea solstitialis
| Barnady's thistle; Yellow star thistle |
|
Centaurea stoebe
| Spotted centaurea; Spotted knapweed |
|
Centaurea stoebe subsp. micranthos
| Spotted centaurea; Spotted knapweed |