Phylum: Basidiomycota Family: Mycenaceae
Mycena galericulata (Scop.) Gray
Common Bonnet
As the name suggests, one of the commonest members of the genus. It grows on dead stems and branches, also on stumps and debris from deciduous trees
References:
Aronsen & Laessoe - The Genus Mycena
Robich - Mycena d'Europe