Polypodiaceae s.l. Polystichum sp. S. Vietnam, Prov. Kontum. NW slopes of Ngoc Linh mountain system at 1900 m alt. Primary evergreen dense mountain forest. Terrestrial fern with fronds up to 1.5 m lg. VH 092 23.02.1995 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93) Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev