Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Leotiomycetes O.E. Erikss. & Winka (1997) Order Helotiales Nannf. (1932) Family Hyaloscyphaceae Nannf. (1932) Genus Ambrodiscus S.E. Carp. (1988)