Fruticose and foliaceous lichens on low branches of forest edges, Great ciliated lichen (Anaptychia ciliaris), which can be identified by its large apothecia and greenish ciliated thallus, is a fruticose lichen - in grey, Hammered shield lichen (Parmelia sulcata), lichen with a foliaceous thallus, tolerant of moderate pollution, it is a bio-indicator of atmospheric pollution Ecologists use its capacity to accumulate metals, radioelements and organic pollutants, PNR du Vercors, France