Generic short diagnoses:
An arctic, cylindrical to cup-shaped, foliicolous, inoperculate discomycete with 4-spored asci, with filiform, fragmenting spores and cylindrical to clavate, spiny, non-septate hairs.
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.