Generic short diagnoses:
Rather thick, often disc-shaped resupinates with slightly reflexed margin and a smooth to pruinose, whitish to coloured hymenophore; with dendrohyphidia and amyloid, often large and ornamented spores.
www.MycoKey.com
With the MycoKey DVD you will find thousands of pictures along with detailed
generic descriptions, references and interactive, synoptical keys to the
genera.