1. Komarov Botanical Institute of Russian Academy of Sciences, Prof. Popov str., 2, St. Petersburg, 197376 Russia
2. Maikop Branch of Caucasian Nature Biosphere Reserve, Sovetskaya str., 187, Maikop, Republic of Adygeya, 385000 Russia
3. Department of Biology, Inner Mongolia University, Hohhot 010021, China
4. Institute of Biology and Soil Science, Stoletiya Vladivostoka Avenue, 159, Vladivostok 690022 Russia
5. I.D. Papanin Institute for Biology of Inland Waters of the Russian Academy of Sciences, Borok, Nekouz District, Yaroslavl Province, 152742 Russia
6. Polar Alpine Botanical Garden and Institute, Kola Science Center RAS, Kirovsk-6, Murmansk Province 184256 Russia
7. Institute of biology Komi Science Centre UB RAS, Kommunisticheskaja st., 28, Syktyvkar, 167982, Republic of Komi, Russia
8. Moscow State University, Faculty of Biology, Vorobovy Gory 1-12, Moscow, 119234 Russia
9. Department of Botany, University of Helsinki, Unioninkatu, 44, 00170 Helsinki 17, Finland
10. Tsitsin Main Botanical Garden of Russian Academy of Sciences, Botanicheskaya 4, Moscow 127276 Russia
11. Institute of Biology of Permafrost-Zone, Lenina str. 41, Yakutsk 677000 Russia
12. Botanical Museum, University of Helsinki, P.O. Box 47 FIN-00014 Helsinki, Finland
13. NNSU, Biology Faculty, Department of Botany, Gagarina, 23, Nizhnii Novgorod, Russia
14. Institute of Forest of Karelian Research Centre, Russian Academy of Sciences, Pushkinskaya 11, Petrozavodsk, 185910 Russia
15. Saint-Petersburg State University, Universitetskaya nab., 7-9, St. Petersburg, 199034 Russia
16. Direction of the Natural Reserve of Nenets Autonomous District, Rybnikov St., 1A. Narjan-Mar, 166000 Russia
17. Department of the Nature, Rabochaya St., 39A. Narjan-Mar, 166000 Russia
18. Institute of Biology of Karelian Research Centre, Russian Academy of Sciences, Pushkinskaya 11, Petrozavodsk, 185910 Russia
19. Institute of Marine Geology and Geophysics FEB RAS, Nauki Str., 1B, Yuzhno-Sakhalinsk, 693022 Russia
20. Sukachev Institute for Forest Research, Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036 Russia
21. National Park Ugra , Privokzalnaya str., 1, Kaluga, 248022 Russia
22. Altufievskaya av., 88 – 444, Moscow, 127349 Russia
23. Institute of general and experimental Biology of Siberian Branch of Russian Academy of Sciences, Sakhjanovoy str., 6, Ulan-Ude 670047 Russia
24. Central Siberian Botanical Garden SB RAS, Zolotodolinskaya, 101, Novosibirsk, 630090, Russia