1. St. Petersburg State University, Universitetskaya emb. 7–9, 199034 St. Petersburg, Russia
2. Komarov Botanical Institute of the Russian Academy of Sciences, Professor Popov St. 2, 197376 St. Petersburg, Russia
3. Avrorin Polar-Alpine Botanical Garden-Institute of Kola Scientific Centre of the Russian Academy of Sciences, 184250 Kirovsk, Murmansk Region, Russia
4. Botanical Garden-Institute Far Eastern Branch of the Russian Academy of Sciences, Makovskogo Str., 142, 690024, Vladivostok, Russia
5. Federal Research Center Karelian Scientific Center of the Russian Academy of Sciences, Petrozavodsk, Russia
6. Tsitsin Main Botanical Garden of the Russian Academy of Sciences, 127276, Moscow, Russia
7. Institute Botanic Garden Ural Branch of Russian Academy of Sciences, Vosmogo Marta Str. 202a, 620144, Yekaterinburg, Russia
8. Wrangel Island State Reserve, Kuvaeva St., 23, 689400, Pevek, Chukotka Autonomous District, Russia