Examples of ozone damage in grassland

Clovers

 

a) White clover          b) Red clover

Other grassland herbs

  

c) Ribwort plantain     d) Brown knapweed     e) Black knapweed                            

Photos courtesy of: (a) F. Hayes, White clover (Trifolium repens); P. Bungener (b) Red clover (Trifolium pratense); (c) Ribwort plantain (Plantago lanceolata); (d) Brown knapweed (Centaurea jacea); (e) F. Hayes, Black knapweed (Centaurea nigra).