Polypodiaceae s.l. Phymatosorus sp. S. Vietnam, Prov. Kontum. Primary evegreen forest along stream on N slope of Ngoc Linh mountain system at 1200 m alt. Epiphyte. VH 691 12.03.1995 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