Sichuan: Rangtang (Zamtang) Xian.
S of the city of Rangtang (Zamtang) on highway 211 along Du-ke He (Du-ke River).
Open ravine with remnant Abies-Betula forests and shrubs.
32°8'34"N,
101°0'23"E;
3130-3300 m.
With Adiantum on bank in shade.Abaxial surface of fronds white Leptolepidium caesium (Christ) K. H. Shing & S. K. Wu; Cheilanthes caesia (Christ) Ching.
David E. Boufford, Kazumi FUJIKAWA, Susan L. Kelley, Richard H. Ree, Bo XU, Da-Cai ZHANG, Jian-Wen ZHANG, Ti-Cao ZHANG, Wei-Dong ZHU