International collaboration:

• Helena Storchova has been affiliated to University of Alaska Fairbanks, USA, since 2003, Visiting Professor in 2012, 2013

• Professor Mathew S. Olson, Texas Tech University; Lubbock, Texas, USA

• Professor Daniel B. Sloan, Colorado State University, Fort Collins, Colorado, USA

• Professor Eric N Jellen, Peter J. Maughan, Brigham Young University, Provo, Utah, USA

National collaboration:

• Dr. Lubomir Adamec, Institute of Botany CAS, Trebon, Czech Republic

• Dr. Vojtěch Hudzieczek, Institute of Biophysiscs CAS, Brno, cyech Republic