Examples of ozone damage in grassland

Clovers

Ozone damage on white clover
a)
Ozone damage on red clover
b)

Other grassland herbs

Ozone damage on ribwort plantain
c)
Ozone damage on brown knapweed
d)
e)

Photos courtesy of: (a) G. Mills, 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).