1. Department of Tisza Research MTA Centre for Ecological Research‐DRI Debrecen Hungary
2. University of South Bohemia České Budĕjovice Czech Republic
3. Institute of Botany Czech Academy of Sciences Třeboň Czech Republic
4. Department of Hydrozoology MTA Centre for Ecological Research‐BLI Tihany Hungary
5. Department of Botany University of Debrecen Debrecen Hungary
6. Department of Environmental Sciences University of Nyíregyháza Nyíregyháza Hungary