black knapweed 14 Associations

lesser knapweed hardheads Centaurea nigra knapweed (generic term)

centaurea nigra 15 Associations

lesser knapweed black knapweed hardheads Centaurea nigra knapweed (generic term)

centaurea scabiosa 18 Associations

great knapweed greater knapweed Centaurea scabiosa knapweed (generic term)

great knapweed 14 Associations

greater knapweed Centaurea scabiosa knapweed (generic term)

greater knapweed 16 Associations

great knapweed Centaurea scabiosa knapweed (generic term)

hardheads 9 Associations

lesser knapweed black knapweed Centaurea nigra knapweed (generic term)

jersey knapweed 15 Associations

Jersey knapweed knapweed (generic term)

lesser knapweed 15 Associations

black knapweed hardheads Centaurea nigra knapweed (generic term)

slender knapweed 16 Associations

knapweed (generic term)