Generic short diagnoses:
Tricholomatoid to almost collybioid, white-spored, typically umbonate, smooth pileate, saprobic agarics with amyloid warty spores and characteristic, lageniform to urticiform hymenial cystidia.
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.