microEden

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Gold on the Ceiling

This bright yellow, foliose lichen seems the only one that grows on the felted roof of the dormer on my house. I was up a ladder clearing out the gutters and saw there are quite big patches of it all round this part of the roof - the limestone tiles on the main roof have plenty of other lichens, but not I think this species. Xanthoria parietina is a common lichen, also often found growing on twigs.