S295 20cm fungus fruiting body

S295 20cm fungus fruiting body

Observation - S295 20cm fungus fruiting body - UK and Ireland. Description: Large flat-topped mushroom. Very white and completely flat, (not cupped). Unfortunately I did not realise that I needed to collect more data (gill-colour and shape, etc.). I have just revisited it and it is in poor shape, gills v dark grey, top shrivel

Large flat-topped mushroom. Very white and completely flat, (not cupped). Unfortunately I did not realise that I needed to collect more data (gill-colour and shape, etc.). I have just revisited it and it is in poor shape, gills v dark grey, top shrivelled and broken. Can't find it on MycoKey.