[1] Chinese Acad Sci, Kunming Inst Bot, CAS Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
[2] Inner Mongolia Univ, Sch Ecol & Environm, Minist Educ, Key Lab Ecol & Resource Use Mongolian Plateau, Hohhot 010000, Inner Mongolia, Peoples R China
[3] Inner Mongolia Univ, Sch Ecol & Environm, Inner Mongolia Key Lab Grassland Ecol, Hohhot 010000, Inner Mongolia, Peoples R China
[4] Acad Sci Uzbek, Inst Bot, Durmon Yuli Str 32, Tashkent 100125, Uzbekistan
[5] Natl Univ Uzbekistan, Dept Bot & Plant Physiol, Fac Biol, Tashkent 100174, Uzbekistan
[6] Kokand State Pedag Inst, Turon Str 23, Kokand 150700, Uzbekistan