Dr. Jan Kollár

• Diatom diversity and cryptic species diversity
• Integrative taxonomy and species delimitation
• eDNA metabarcoding and microbial community ecology

BENKIESO: Diatoms of the Baltic Sea – DNA and AI in biodiversity monitoring

Kollár J. (2026): Integration, not replacement: molecular methods and a new equilibrium in taxonomy. BioScience (in press). DOI: 10.1093/biosci/biag065

Kollár J., Van de Vijver B., Kulichová J., Hejduková E., Viso R., Kohler T.J., Kahlert M., Pinseel E., Poulíčková A., Zimmermann J., Neustupa J., Vyverman W. & Kopalová K. (2026): A polyphasic taxonomy of the pseudocryptic diatom species complex Pinnularia acidicola, including description of new species. European Journal of Phycology. DOI: 10.1080/09670262.2026.2626682

Coria S.H., Colman D.I., Kohler T.J., Kollár J., Vieira R., Pérez Catán S., Rosa L.H., Vázquez S.C., Mac Cormack W.P., Lirio J.M. & Kopalová K. (2025): Comparison of bacterial and diatom diversity patterns from waterbodies across two Antarctic Peninsula island groups. Arctic, Antarctic, and Alpine Research 57(1): 2584836. DOI: 10.1080/15230430.2025.2584836

Kochoska H., Kollár J., Kopalová K., Styllas M., Ezzat L., Michoud G., Peter H., Bourquin M., Busi S., Hamilton P.B., Battin T.J. & Kohler T.J. (2025): Glacier-fed stream diatoms (Bacillariophyta) from the Rwenzori Mountains, Uganda, with description of one new species from the genus Neidium. Diatom Research 40(3): 237-258. DOI: 10.1080/0269249X.2025.2474765

Kollár J., Kopalová K. & Kohler T. J. (2025): Diatom studies three decades into the molecular age: a bibliometric analysis reveals genetic underexploration of diatoms compared to other taxa. Fottea 25(1): 1-11. DOI: 10.5507/fot.2024.009

Hejduková E., Kollár J. & Nedbalová L. (2024): Freezing stress tolerance of benthic freshwater diatoms from the genus Pinnularia: comparison of strains from polar, alpine and temperate habitats. Journal of Phycology 60: 1105-1120. DOI: https://doi.org/10.1111/jpy.13486

Kollár J., Kopalová K., Kavan J., Vrbická K., Nývlt D., Nedbalová L., Stibal M. & Kohler T.J. (2023): Recently-formed Antarctic lakes host less diverse benthic bacterial and diatom communities than their older counterparts. FEMS Microbiology Ecology 99(9): fiad087. DOI: 10.1093/femsec/fiad087

Kollár J., Poulíčková A. & Dvořák P. (2022): On the relativity of species, or the probabilistic solution to the species problem. Molecular Ecology 31: 411-418. DOI: 0.1111/mec.16218

Kollár J., Pinseel E., Vyverman W. & Poulíčková A. (2021): A time-calibrated phylogeny provides an insight into the evolution, taxonomy and DNA barcoding of the Pinnularia subgibba group (Bacillariophyta). Fottea 21(1): 62-72. DOI: 10.5507/fot.2020.017

Kollár J., Pinseel E., Vanormelingen P., Poulíčková A., Souffreau C., Dvořák P. & Vyverman W. (2019): A Polyphasic approach to the delimitation of diatom species: a case study for the genus Pinnularia (Bacillariophyta). Journal of Phycology 55, 365–379. DOI: 10.1111/jpy.12825

Poulíčková A., Kollár J., Hašler P., Dvořák P. & Mann D.G. (2018): A new species Pinnularia lacustrigibba sp. nov. within the Pinnularia subgibba group (Bacillariophyceae). Diatom Research 33: 273–282. DOI: 10.1080/0269249X.2018.1513869

Kollár J., Fránková M., Hašler P., Letáková M. & Poulíčková A. (2015): Epiphytic diatoms in lotic and lentic waters – diversity and representation of species complexes. Fottea 15(2): 259-271. DOI: 10.5507/fot.2015.022