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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Did you check if bruises wine red? Any smell? According to Collins slight aniseed.
Not seen this one but did come across Grey Coral Clavulina cinera recently which superficially looks like yours.
The more I know the more I realise I don't know
Here I am relying on someone else's identification, and I didn't try bruising it because I didn't know enough. I will certainly give it a go next time I am at this site.
Lat/Lng: 51.348923333333, 0.065418333333333
OS grid ref: TQ439631