IDREES, MUHAMMAD, College of Life Science, Neijiang Normal University, Neijiang 641000, Sichuan, China. CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Science, P.O Box 416, Chengdu 61004, China., China