centaurea

Iberian Star Thistle, Iberian knapweed

Centaurea iberica

Asteraceae or Compositae

Maltese Star Thistle

Centaurea melitensis

Asteraceae or Compositae

St. Barnaby's Thistle, Yellow star-thistle

Centaurea solstitialis

Asteraceae or Compositae

Centaurea raphanina

Asteraceae or Compositae