Biodiversity of macromycetes (basidiomycetes and ascomycetes) from various ecosystems in Greece (systematics, ecology, pure cultures).
Assessment and conservation of biodiversity of Greek macromycetes.
Systematics and ecology of different groups of fungi from various habitats and substrates (wood decomposing fungi, mycetophilous fungi, postfire fungi, soil fungi, airborn fungi).
Investigation for the production and purification of metabolites from fungal strains (of macromycetes and mycetophilous fungi).
Exploitation of fungi for biotechnological applications in medicine, environment, agriculture (bioactive compounds, biodegradation, bioremediation).
Development of the Mycetotheca of the University of Athens (ATHUM Culture Collection and Mycological Herbarium) and its enrichment with new strains and specimens from Greek habitats and substrates.