1. Kern H.: Untersuchungen über die Umgrenzung der Arten in der Ascomycetengattung Leucostoma.Phytop. Zeitschr. 30, 149 (1957).
2. Musílek V., Černá J., Šašek V., Semerdžieva M., Vondráček M.: Antifungal antibiotic of the basidiomyceteOudemansiella mucida. I. Isolation and cultivation of a producing strain.Folia Microbiol. 14, 377 (1969).
3. Nair M. S. R., Anchel M.: An antibacterial quinone hydroquinone pair from the AscomyceteNectria coryli.Tetrahedron Lett. 9, 795 (1972).
4. Nair M. S. R., Carey S. T.: Metabolites ofPyrenomycetes. II. Nectriapyrone, an antibiotic monoterpenoid.Tetrahedron Lett. 19, 1655 (1975).
5. Prášil K.: Isolation and cultivation of some lignicolous stromatic Pyrenomycetes. (In Czech) M. Sc. Dissertation, Department of Botany, Charles University, Prague, 175 pp. (1972).