Plant Effects Gallery

The plant effects gallery is an online photographic library of air pollution effects together with examples from clean sites. Images from other pollutants (e.g. Ozone) will be added in the future.

Nitrogen - impacts and effects

Bleached Heather (Calluna vulgaris)	Bleached Heather (Calluna vulgaris)	Calluna - spring frost damage	Calluna - fungal damage	Cladonia portentosa
Sphagnum capillifolium	Nitrogen loving Xanthoria near poultry farm	Nitrogen loving Xanthoria near poultry farm	Polytrichum commune	Polytrichum commune
Ramilina

Nitrogen - clean sites

Cladonia portentosa	Cladonia portentosa	Usnea hirta	Bryoria fuscens	Sphagnum
Polytrichum commune	Polytrichum commune	Drosera rotundifolia

Halogens (hydrogen fluoride)

Injury developing in an Iris leaf	Lodgepole pine needle necrosis	Sorbus aucuparia	Leaf necrosis on a bluebell	Leaf distortion in Alnus glutinosa
Apple showing leaf distortion	Leaf distortion and chlorosis in Sambucus sitchensis	Leaf distortion and necrosis on Poplar	Fluoride stress on Gladiolus	Leaf marking on a field of leeks (Allium porrum)
Marginal necrosis and leaf distortion on Privet	Mimicking symptoms in Aspidistra, probably showing water stress.

Ozone

Ozone damage - Dock 'Rumex obtusifolius'

Dock 'Rumex obtusifolius'

Ozone damage - Red Clover 'Trifolium partense'

Red Clover 'Trifolium partense'

Ozone damage - White Clover 'Trifolium repens'

White Clover 'Trifolium repens'

Ozone damage -Cutleaf Coneflower (Rudbeckia laciniata L.)

Cutleaf Coneflower (Rudbeckia laciniata L.)