Xizang (Tibet): Chaya (Chagyab, Dayak) Xian.
Ridge between Mai Qu (Mai River) and Lancang Jiang (upper Mekong River) E of the city of Chaya (Dayak).
Heavily grazed Kobresia meadow with scattered dwarf (< 0.5 m tall) Rhododendron nivale subsp. boreale, Caragana, Potentilla and Artemisia, with bare patches of reddish brown gravelly clay soil.
30°36'43"N,
97°36'25"E;
4400-4500 m.