Porcelain fungus
Translucent, slimy white caps high on beech trunks. Edible once the slime is removed; contains antifungal mucidin.
Oudemansiella mucida
edible
A wood-decay fungus that breaks down wood – found on stumps, trunks and branches in the forests of Czechia and Slovakia.
Edibility: Edible when correctly identified and cooked. Never eat mushrooms you have not identified with certainty.