Often see this green colouring in old Silver Birch branches. Anyone know what causes it?
Caution: Do NOT use iSpot to identify fungi to eat!
Some fungi are very poisonous so a mistaken ID could have serious consequences.
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you need to edit this and put it in the fungi section
Has been used in marquetry, I think. I've never been lucky enough to see the fruiting bodies, but you can see some linked observations, in at least some cases luck and skill have captured the very pretty cups.
Lat/Lng: 58.1, -5.3
OS grid ref: NC0922