| 1 (91) | Polish Academy of Sciences * | POL |  |
| 2 (129) | Academy of Sciences of the Czech Republic * | CZE | |
| 3 (196) | Hungarian Academy of Sciences * | HUN | |
| 4 (228) | Global Change Research Institute of the ASCR | CZE | |
| 5 (247) | Centre for Ecological Research | HUN | |
| 6 (279) | Russian Academy of Sciences * | RUS | |
| 7 (299) | Slovak Academy of Sciences * | SVK | |
| 8 (327) | Institute of Ecology and Botany Hungarian Academy of Sciences | HUN | |
| 9 (441) | National Academy of Sciences of Ukraine * | UKR | |
| 10 (544) | Lithuanian Research Centre for Agriculture and Forestry | LTU | |
| 11 (571) | Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences | RUS | |
| 12 (576) | Bulgarian Academy of Sciences * | BGR | |
| 13 (627) | Sukachev Institute of Forest Russian Academy of Sciences | RUS | |
|
