1. The genera of fungi sporulating in pure culture;von. Arx,1981
2. On Thielavia and some similar genera of ascomycetes;von. Arx;Stud. Mycol.,1975
3. Emilmuelleria, a new genus of ascomycota;von. Arx;Sydowia,1985
4. A revaluation of Chaetomium and the Chaetomiaceae;von. Arx;Persoonia,1984
5. Sordariaceous ascomycetes without ascospore ejaculation Beiheft;von. Arx;Nova Hedwigia,1988