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Reference
19930001_0308
Arbre porteur de Parmelia sulcata, lichen assez commun sur Paris. Ce végétal, qui résiste mal au dio
Arbre porteur de Parmelia sulcata, lichen assez commun sur Paris. Ce végétal, qui résiste mal au dioxyde de soufre, est un excellent indicateur de la qualité de l'air.
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