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elongated whitish plate-like structures with crusty-looking, velvety brown centres (pic #4). They seemed to start of as small discs and then join up.
Fallen branch of a silver birch tree
Seen on the same branch as http://www.projectnoah.org/spottings/937... and lichen -2 spotting Thanks to Clive Shirley and Lars Korb for providing an ID for this fungus