- Botany (vascular plants, bryophytes and from Algae fam. Desmidales).
- Mycology, incl. lichenized fungi (Ascomycota, Basidiomycota: ectomycorrhizal, lichenized and lichenicolous fungi in wide sense; taxonomical expertise of the orders Helotiales and Thelephorales, genera Hypomyces & allies, Cystoderma & allies, Cortinarius)
- Zoological Museum: Hymenoptera, Lepidoptera, Rodentia.
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