Yunnan: Xianggelila (Zhongdian) Xian.
Sichuan-Yunnan border area. South side of Zhongdian Daxue Shan.
Grazed meadows, Rhododendron thickets, limestone and shale scree slopes and outcropping ledges.
28°34'24"N,
99°48'42"E;
4280-4600 m.
On steep slope under shrubs and on exposed rock ledges.Forming large clumps. Initially identified as Polystichum rarum Ching & S. K. Wu.
David E. Boufford, Bruce Bartholomew, Wenyun CHEN, Michael J. Donoghue, Richard H. Ree, Hang SUN & Sugong WU (S. K. WU)