Phylum: Basidiomycota Family: Inocybaceae
Inocybe ovatocystis Boursier & Kühner
An uncommon species, gregarious with both conifers and broadleaved trees
References:
Outen & Cullington (2011) Keys to British Species of Inocybe
Stangl (2011) The Genus Inocybe in Bavaria
Breitenbach & Kranzlin (2000) Fungi of Switzerland, Volume 5, Agarics, 3rd Part