Flow cytometry
- Genome size estimation and the data utilization in plant systematics and ecology
- Large-scale ploidy level screening
- Reproduction mode detection
- Methodological issues (impact of secondary metabolites, analysis of non-fresh material)
Image cytometry, karyology
Numerical taxonomy
- Multivariate morphometrics and its uses in plant biosystematics
- Morphological variation at various spatial scales
Biosystematic studies of polyploid alliances
- Morphological, ecological, phenological, and reproduction differentiation of cytotypes
- Population cytotype structure at various spatial scales
- Sympatric occurrence of various cytotypes
- Evolutionary relationships in diploid-polyploid groups
Flora of the Mediterranean area (particularly Balkan peninsula) and Macaronesia