1. Department of Botany Institute of Ecology and Earth Sciences, University of Tartu Tartu Estonia
2. Department of Life Sciences University of Trieste Trieste Italy
3. Department of Mathematics and Earth Sciences University of Trieste Trieste Italy
4. Institute of Agricultural and Environmental Sciences Estonian University of Life Sciences Tartu Estonia
5. BIOME Lab, Department of Biological, Geological and Environmental Sciences Alma Mater Studiorum University of Bologna Bologna Italy
6. Department of Spatial Sciences Czech University of Life Sciences Prague Prague Czech Republic
7. Pisa Botanic Garden and Museum Pisa Italy
8. Department of Biology University of Pisa Pisa Italy