Research focus
- vascular plants
- field botanical research of Slovakia
- taxonomy, evolution and phytogeography of European taxa
- flow cytometry, karyology, morphometrics
- non-native and invasive species
- endemic and threatened plants
- polyploid complexes
- genera Atriplex, Bupleurum, Chenopodium s. l., Epipactis, Reynoutria, Senecio s. l., Silene s. l., Viola