S. Vietnam, Prov. Lam Dong, 14 km to NNW from Dalat city (N 12° 05′, E 108° 22′). Primary closed mixed forest with Pinus kesiya and P. krempfii at 1740-1760 m alt. Epiphytic and epilitic fern. Common in very deep wet places, especially along streams in shadow canyons. VH 2534 11.03.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)
Collectors: L. Averyanov, N.Q. Binh, N.V. Duy, P.K. Loc