Phylum: Ascomycota Family: Helotiaceae
Bisporella sulfurina (Quél.) S.E. Carp.
Sulphur Disco
Not often reported and most records for Britain are in the south. Gregarious on hardwoods
References:
Breitenbach & Kranzlin (1984) Fungi of Switzerland, Volume 1, Ascomycetes
Hansen & Knudsen (2000) Nordic Macromycetes, Vol.1: Ascomycetes