SVRČEK M. (1981): List of Operculate Discomycetes (Pezizales) recorded from Czechoslovakia II. (O-W). Česká Mykologie 35(2): 64-89 [published: 1981]
MORAVEC J. (1972): One interesting collection of operculate discomycete from Cairo (Egypt). Česká Mykologie 26(3): 138-140 [published: 1972]