The Fungi world (113) : Wild Dry Rot

I first thought this was a Lichen-covered tree, but the Lichen species was unknown to me.
According to [fc-user:1157319], it’s a Wild Dry Rot fungus, which is a lichen lookalike.
Thanks for the identification, Fred.

Dutch name : Dakloze huiszwam
German name : Wilder Hausschwamm
Latin name : Serpula himantioides