Flechten Madeiras, der Kanaren und Azoren - Band 2 ErgänzungsbandFelix Schumm, Andre Aptroot · First published 2013Open the Tome
Lichens and Lichenicolous Fungi from New GuineaAndre Aptroot, Paul Diederich · First published 1997Open the Tome
A monograph of the Pyrenulaceae (excluding Anthracothecium and Pyrenula) and the RequienellaceaeAndré Aptroot · First published 1991Open the Tome
