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Added: 1st May 2012
Light grey-green foliose lichen growing on deciduous tree trunk in woodland. Branching tongue-like lobes with concentration of white spots (pseudocyphellae?)at lobe ends. Lobe pattern clear on smaller rosette at top of image (i). Only some of image (ii) in focus but it is a closer view than (i). Grey-green soredia on edges of lobes in the middle of the lichen rosette. Possibly Physconia perisidiosa.