1. State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China
2. University of Chinese Academy of Sciences, Beijing, China
3. Department of Science Laboratory Technology, Ekiti State University, Ado-Ekiti, Nigeria
4. State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
5. Department of Geological Sciences, Achievers University, Owo, Nigeria
6. State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, China
7. Department of Botany, Obafemi Awolowo University, Ile Ife, Nigeria