1. Laboratory of Anatomy and Morphology, Komarov Botanical Institute of Russian Academy of Sciences, 197376 St. Petersburg, Russia
2. Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Champaign, IL 61801, USA
3. Faculty of Biology, St. Petersburg State University, 199034 St. Petersburg, Russia
4. Laboratory of Biosystematics and Cytology, Komarov Botanical Institute of Russian Academy of Sciences, 197376 St. Petersburg, Russia
5. Chair of Medical Biology, North-Western State Medical University named after I.I. Mechnikov, 191015 St. Petersburg, Russia
6. School of Biological Sciences, Washington State University, Pullman, WA 99164-4236, USA