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. Lenina Str., 27/59, app. 10, St. Petersburg, 197376 Russia
4. Institute of Biology, Ufa Sci. Center of Russian Acad. Sci., October av., 69, Ufa, 450054 Russia
5. Polar Alpine Botanical Garden and Institute, Kola Science Center RAS, Kirovsk-6, Murmansk Province 184256 Russia
6. Marshala Rybalko str., 97-16, Perm, 614032 Russia
7. Institute of Biology of Karelian Research Centre, Russian Academy of Sciences, Pushkinskaya 11, Petrozavodsk, 185910 Russia
8. Institute of biology Komi Science Centre UB RAS, Kommunisticheskaja st., 28, Syktyvkar, 167982, Republic of Komi, Russia
9. Moscow State University, Faculty of Biology, Vorobovy Gory 1-12, Moscow, 119234 Russia
10. Tsitsin Main Botanical Garden of Russian Academy of Sciences, Botanicheskaya 4, Moscow 127276 Russia
11. Institute of general and experimental Biology of Siberian Branch of Russian Academy of Sciences, Sakhjanovoy str., 6, Ulan-Ude 670047 Russia
12. University of South Bohemia, Faculty of Science, Branisovska 31, CZ - 370 05 Ceske Budejovice, Czech Republic
13. Saint-Petersburg State University, Universitetskaya nab., 7-9, St. Petersburg, 199034 Russia
14. Institute of the Industrial Ecology Problems of the North, Kola Science Centre RAS, Fersman Str. 14a, Apatity, Murmansk Provinсe, 184209, Russia
15. Tver State University, Zhelyabova str., 33, Tver, 170100 Russia
16. I.D. Papanin Institute for Biology of Inland Waters of the Russian Academy of Sciences, Borok, Nekouz District, Yaroslavl Province, 152742 Russia
17. Ecology-batanical station «Pyatigorsk», Energetic, Pyatigorsk, Stavropol region, 357509, Russia
18. Leo Tolstoy Tula State Pedagogical University, Lenina pr. 125, Tula 300026 Russia