1. Research Center for Fundamental and Applied Problems of Bioeсology and Biotechnology,
Ulyanovsk State Pedagogical University
2. Omsk State Pedagogical University
3. Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden,
Chinese Academy of Sciences
4. Directorate of Hortobagy National Park
5. National Herbarium of Cameroon, Agricultural Research Institute
6. Independent researcher
7. Surgut State University