- The study of factors which drive speciation and evolution of novel fungal lineages.
- Species recognition, intraspecies variation and sexual reproduction.
- Presidents Award from the South African Foundation for Research Development (1994);
- Alexopoulos Award for mycology from the Mycological Society of America (1999);
- Havenga Award for Biological Sciences from the SA Academy for Science and Art (2001);
- A rating from the South African Foundation for Research Development (2002).
Leeropdracht
Fungal Biodiversity