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Tilia cordata

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Common name: Littleleaf Linden

Symptoms observed in the field

Ambient ozone levels in southern Switzerland produced brown stippling in Tilia cordata.

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Tilia platyphyllos

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Common name: Large-Leaved Linden

Symptoms observed in the field

Ambient ozone levels near Torino (Italy) produced brown stippling in older leaves of Tilia platyphyllos.

© 2009 Fundación CEAM © 2009 Copyright of the photos: their authors