Aptroot, A. (1991). A monograph of the Pyrenulaceae (excluding Anthracothecium and Pyrenula) and the Requienellaceae, with notes on the Pleomassariaceae, the Trypetheliaceae and Mycomicrothelia (lichenized and non-lichenized Ascomycetes). Bibliotheca Lichenologica. Vol. 44. 178 pages. ISBN 978-3-443-58023-0.
206084
Aptroot, A.
1991
A monograph of the Pyrenulaceae (excluding Anthracothecium and Pyrenula) and the Requienellaceae, with notes on the Pleomassariaceae, the Trypetheliaceae and Mycomicrothelia (lichenized and non-lichenized Ascomycetes).