Generic short diagnoses:
Small, cushion- to disc-shaped, ± orange operculate discomycete with ± flattened, ellipsoid, finely verrucose spores and non-amyloid asci. On wood in streams.
The picture originates from the MycoKey 2.0 DVD. Here you will also find a larger picture along with a detailed generic description, references and an interactive, synoptical key to genera.