1. Andreas Fleischmann, Ludwig-Maximilians-University Munich, Systematic Botany and Mycology, Menzinger Strasse 67, D-80638 Munich, Germany; e-mail: fleischmann@lrz.uni-muenchen.de
2. Andreas Wistuba, Mudauer Ring 227, D-68259 Mannheim, Germany.
3. Stewart McPherson, 61 Lake Drive, Hamworthy, Poole, Dorset, BH15 4LR, UK.