Centaurea aspera
| rough star thistle | Not Native, Not Persisting, SNA (State Rank) |
Centaurea benedicta
| blessed thistle | Not Native, Persisting, SNA (State Rank), GNR (Global Rank) |
Centaurea calcitrapa
| purple star thistle | Not Native, Not Persisting, SNA (State Rank) |
Centaurea cineraria
| silver knapweed | Not Native, Not Persisting, SNA (State Rank) |
Centaurea cyanus
| bachelor’s button | Not Native, Persisting, SNA (State Rank), GNR (Global Rank) |
Centaurea diluta
| North African knapweed | Not Native, Not Persisting, SNA (State Rank) |
Centaurea jacea
| brown knapweed | Not Native, Persisting, SNA (State Rank), GNR (Global Rank) |
Centaurea jacea × C. nigra = C. ×moncktonii
| meadow knapweed | Not Native, Persisting, SNA (State Rank), GNA (Global Rank) |
Centaurea montana
| mountain cornflower, mountain knapweed | Not Native, Persisting, SNA (State Rank), GNR (Global Rank) |
Centaurea nigra
| black knapweed | Not Native, Persisting, SNA (State Rank), GNR (Global Rank) |
Centaurea nigrescens
| Tyrol knapweed | Not Native, Persisting, SNA (State Rank), GNR (Global Rank) |
Centaurea phrygia
| wig knapweed | Not Native, Not Persisting, SNA (State Rank) |
Centaurea scabiosa
| greater knapweed | Not Native, Persisting, SNA (State Rank), GNR (Global Rank) |
Centaurea solstitialis
| yellow star thistle | Not Native, Persisting, SNA (State Rank), GNR (Global Rank) |
Centaurea stoebe ssp. micranthos
| spotted knapweed | Not Native, Persisting, SNA (State Rank), GNR (Global Rank) |