MORAVEC J. (1969): Some operculate Discomycetes from the Vysoké Tatry Mts. (High Tatra) and Belanské Tatry Mts. and Spišská Magura Mts. in Slovakia. Česká Mykologie 23(1): 24-34 [published: 1969]
SVRČEK M. (1981): List of Operculate Discomycetes (Pezizales) recorded from Czechoslovakia II. (O-W). Česká Mykologie 35(2): 64-89 [published: 1981]
KOTLABA F. (1969): Congressus mycologorum Daniae and Assens anno 1968. Česká Mykologie 23(3): 197-202 [published: 15th July, 1969]