| 1 (25) | Tomsk Polytechnic University | RUS |  |
| 2 (56) | Czech University of Life Sciences Prague | CZE | |
| 3 (69) | Technical University in Zvolen | SVK | |
| 4 (73) | Polish Academy of Sciences * | POL |  |
| 5 (83) | Academy of Sciences of the Czech Republic * | CZE | |
| 6 (90) | Transilvania University of Brasov | ROU | |
| 7 (127) | Russian Academy of Sciences * | RUS | |
| 8 (171) | University of Novi Sad | SRB | |
| 9 (178) | University of Ljubljana * | SVN | |
| 10 (190) | Poznan University of Life Sciences | POL | |
| 11 (198) | University of Agriculture in Krakow | POL | |
| 12 (199) | Adam Mickiewicz University | POL | |
| 13 (213) | University of Debrecen | HUN | |
| 14 (214) | University of Zagreb | HRV | |
| 15 (221) | Mendel University in Brno | CZE | |
| 16 (226) | Warsaw University of Life Sciences | POL | |
| 17 (259) | University of Forestry Sofia | BGR | |
| 18 (319) | Global Change Research Institute of the ASCR | CZE | |
| 19 (338) | Slovak Academy of Sciences * | SVK | |
| 20 (401) | Vytautas Magnus University | LTU | |
| 21 (402) | Hungarian Academy of Sciences * | HUN | |
| 22 (403) | University of Belgrade | SRB | |
| 23 (424) | Institute of Dendrology Polish Academy of Sciences | POL | |
| 24 (459) | Estonian University of Life Sciences | EST | |
| 25 (468) | University of South Bohemia | CZE | |
| 26 (473) | Siberian Federal University | RUS | |
| 27 (512) | Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences | RUS | |
| 28 (513) | Hungarian University of Agriculture and Life Sciences | HUN | |
| 29 (533) | National University of Life and Environmental Sciences of Ukraine | UKR | |
| 30 (537) | University of Warsaw | POL | |
| 31 (608) | Stefan Cel Mare University | ROU | |
| 32 (611) | Bulgarian Academy of Sciences * | BGR | |
| 33 (613) | Centre for Ecological Research | HUN | |
| 34 (618) | University of Montenegro | MNE | |
| 35 (619) | Institute of Ecology and Botany Hungarian Academy of Sciences | HUN | |
| 36 (627) | Charles University * | CZE | |
| 37 (628) | National Academy of Sciences of Ukraine * | UKR | |
| 38 (629) | Sukachev Institute of Forest Russian Academy of Sciences | RUS | |
| 39 (634) | Lomonosov Moscow State University | RUS | |
| 40 (639) | University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca | ROU | |
| 41 (641) | Masaryk University | CZE | |
| 42 (643) | University of Tartu | EST | |
| 43 (649) | Lithuanian Research Centre for Agriculture and Forestry | LTU | |
| 44 (653) | University of Sarajevo | BIH | |
| 45 (688) | Reshetnev Siberian State University of Science and Technology | RUS | |
| 46 (695) | Babes-Bolyai University | ROU | |
| 47 (699) | Tomsk State University | RUS | |
| 48 (702) | Ss Cyril and Methodius University of Skopje * | MKD | |
|
