1. Vegetation Ecology, Institute of Natural Resource Sciences (IUNR) , Zurich University of Applied Sciences (ZHAW) , Grüentalstr. 14, 8820 Wädenswil , Switzerland .
2. Plant Ecology, Bayreuth Center for Ecology and Environmental Research (BayCEER) , University of Bayreuth , Universitätsstr. 30, 95447 Bayreuth , Germany
3. German Centre for Integrated Biodiversity Research (iDiv) Halle-Jena-Leipzig , Deutscher Platz 5e, 04103 Leipzig , Germany
4. Department of Biology and Biotechnologies , Armenian National Agrarian University , Teryan 74, 0009 , Yerevan , Armenia .
5. Department of Geobotany and Plant Ecophysiology , Institute of Botany aft. A. L. Takhtajyan of NAS RA , Acharyan 1, 0040, Yerevan , Armenia
6. Terrestrial Ecology Research Group, Department for Ecology and Ecosystem Management , Technical University of Munich , Hans-Carl-von-Carlowitz-Platz 2, D-85354 Freising , Germany
7. Department of Agricultural Biotechnology, Faculty of Agriculture , Düzce University , 81620 Düzce , Turkey
8. Department of Plant Biology and Ecology, Faculty of Science and Technology , University of the Basque Country UPV/EHU , P.O. Box 644, 48080 Bilbao , Spain .
9. Department of Ecology and Environmental Conservation, Institute of Environmental Biology, Faculty of Biology , University of Warsaw , Żwirki i Wigury St. 101, 02-089 Warsaw , Poland .
10. Department of Geobotany and Ecology, M.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine .
11. MTA-DE Lendület Functional and Restoration Ecology Research Group , Debrecen , Egyetem sqr 1, 4032 Hungary .
12. Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences , University of Helsinki , P.O. Box 65 (Viikinkaari 11), 00014 , Finland .
13. Parks & Wildlife Finland (Ostrobothnia–Kainuu), Metsähallitus , P.O. Box 26 (Torangintaival 2) 93600 Kuusamo , Finland .