S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, vicinities Klong Lanh village, 31 km to NE from Dalat city. Open wet grassland along stream in river valley on W macroslope of Bi Dup mt system at 1500 m alt. (N 12° 08′, E 108° 39′). Terrestrial and epilite fern with fronds up to 1 m lg and stem about 0.5 m hg. Not rare. Young leaves edible. VH 3930 13.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)