Petrak, F. (1953). Index of fungi, 1931: List of new species and varieties of fungi, new combinations and new names published 1931 ([Sonderdr.].). Commonwealth Mycological Institute.
Chicago-Zitierstil (17. Ausg.)Petrak, Franz. Index of Fungi, 1931: List of New Species and Varieties of Fungi, New Combinations and New Names Published 1931. [Sonderdr.]. Kew: Commonwealth Mycological Institute, 1953.
MLA-Zitierstil (9. Ausg.)Petrak, Franz. Index of Fungi, 1931: List of New Species and Varieties of Fungi, New Combinations and New Names Published 1931. [Sonderdr.]. Commonwealth Mycological Institute, 1953.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.