Examples of ozone damage in trees

Beech, birch, ash

Oonze damaged silver birch leaf
a)
Ozone damage on beech leaves
b)
Ozone damage on ash leaves
c)
Ozone damage on narrow leaved ash
d)
Ozone damage on flowering ash
e)

Oak, poplar, maple

Ozone damaged sessile oak leaf
f)
Ozone damaged poplar leaf
g)
Ozone damaged field maple leaf
h)
Ozone damage on Italian maple
i)

   Fruit trees

Ozone damage on white mulberry leaf
j)

Conifers

Ozone damage on Aleppo pine
k)

 Shrubs

Ozone damage on hawthorn leaves
l)
Ozone damage on honeysuckle leaves
m)
Ozone damage on wayfaring tree leaf
n)

Photos courtesy of: Innes et al. 2001, (a) Birch (Betula pendula); (b) Beech (Fagus sylvatica); (c) Ash (Fraxinus excelsior) (www.ozone.wsl.ch); V. Calatayud, (d) Narrow-leaved ash (Fraxinus angustifolia); (e) Flowering ash (Fraxinus ornus) (www.ozoneinjury.org); (f) M. Broadmeadow, Sessile oak (Quercus petraea); (g) V. Calatayud Poplar (Populus nigra); (h) V. Calatayud and M.J. Sanz, Field maple (Acer campestre); V. Calatayud, (i) Italian maple (Acer opalus); (j) White mulberry (Morus alba) (www.ozoneinjury.org); (k) D. Velissariou, Aleppo pine (Pinus halepensis); (l) Innes et al. 2001, Hawthorn (Crataegus monogyna) (www.ozone.wsl.ch); (m) M. J. Sanz and V. Calatayud, Honeysuckle (Lonicera implexa) (www.ozoneinjury.org); (n) Innes et al. 2001, Wayfaring tree (Viburnum lantana) (www.ozone.wsl.ch).