• Editorial Board Membership

    • since 2007: Folia Geobotanica (Associate Editor)
    • since 2006: Preslia
    • since 2003: Živa (since 2009 Editor-in-Chief)
  • Board Membership

    • since 2006: Board for PhD studies (specialization Botany), Faculty of Science, Charles University in Prague
    • since 2005: Grant Agency of Charles University, Committee for Natural Sciences; since 2007: Deputy head of the committee; since 2008: Head of the committee
    • since 2004: Advisory board of the Botanical Garden, Faculty of Science, Charles University in Prague
  • Organization Activities

    • 2009: Analytical cytometry V, Olomouc, 6th - 9th September (member of the Programme committe)
    • 2007: Analytical cytometry IV, Brno, 23rd - 26th June (member of the Programme committe)
    • 2005: Analytical cytometry III, Červenohorské sedlo, 21st - 25th June (member of the Programme committe)
    • 2003: Plant Flow Cytometry - a workshop, Olomouc, 6th - 7th November (with J. Doležel, J. Bartoš, A. Lebeda)
  • Longer Stay Abroad

    • 2001: Institute of Botany, University of Copenhagen, Denmark (3 months)
  • Conferences

    • 2009: 10th International Conference on the Ecology and Management of Alien Plant Invasions (EMAPI). - Stellenbosch, South Africa (oral presentation)
    • 2009: SAAB Conference. - Stellenbosch, South Africa (keynote lecture)
    • 2008: ISAC - XXIV International Congress. - Budapest, Hungary (tutorial + workshop)
    • 2008: Analytical cytometry IV. - Brno, Czech Republic (oral presentation)
    • 2006: 16th Annual Conference of the Deutsche Gesellschaft für Zytometrie. - Leipzig, Germany (oral presentation)
    • 2005: XVII International Botanical Congress. - Vienna, Austria (invited oral presentation + 6 posters)
    • 2005: Genome size workshop: research discipline in development. - Vienna, Austria (invited oral presentation)
    • 2005: Analytical cytometry III. - Červenohorské sedlo, Czech Republic (oral presentation)
    • 2003: Plant Genome Size Discussion Meeting. - Royal Botanic Gardens, Kew, UK (2 posters)
    • 2003: Analytical cytometry II. - Brno, Czech republic (oral presentation)
    • 2001: Analytical cytometry I. Flow cytometry. - Brno, Czech Republic (oral presentation)
    • 2000: Flora Slovenije 2000. - Ljubljana, Slovenia (oral presentation)
    • 1999: V Conference on Plant Taxonomy. - Lisboa, Portugal (poster)
  • Article Reviewing

    • American Journal of Botany
    • Annals of Botany
    • Biologia (Bratislava)
    • Biologia Plantarum
    • Biological Invasions
    • Biological Journal of the Linnean Society
    • Botanical Studies
    • Environmental and Experimental Botany
    • Folia Geobotanica
    • Genome
    • International Journal of Plant Science
    • New Phytologist
    • Nordic Journal of Botany
    • Plant Cell Reports
    • Plant Molecular Biology Reporter
    • Plant Systematics and Evolution
    • Preslia
    • Thaiszia
    • Živa
  • Field Experience Abroad

    • Albania (2000)
    • Austria (1995-1998)
    • Bulgaria (2002, 2004)
    • Canary Islands (2000-2002, 2004-2006)
    • Cape Verde Islands (2010)
    • Corsica (2008)
    • Ethiopia (2006)
    • France (1994)
    • Germany (1996)
    • Greece (1999, 2002-2002, 2006)
    • Hungary (1995)
    • Italy (1998, 2006)
    • Lesotho (2009)
    • Norway (2000)
    • Poland (2000)
    • Portugal (1999)
    • Slovakia (1994-1995, 1999)
    • Slovenia (1995, 1998)
    • South Africa (2005, 2007, 2009)
    • Spain (1994)
    • Sweden (2000)
    • Turkey (2004)
    • Uganda (2008)
    • Ukraine (1997)
    • Venezuela (2000, 2007)