Vasilyeva L.N., Stephenson S.L.
Sydowia 2007; 59(1): 154-160
Cryptovalsaria is described as a new genus containing two new species C. americana and C. rossica both restricted to the living bark of alders (Alnus spp.) and displaying a vicarious pattern of distribution, with one species known from eastern Asia and the other from south central North America.