Polypodiaceae s.l. Pteridium sp. S. Vietnam, Prov. Kontum. Secondary shrubs on W slope of Ngoc Linh mountain system at 1200 m alt. Elevation from Dak Mek river to Long Nam village. Terrestrial fern with fronds up to 0.8 m lg. Dominant below 1300 m alt. VH 847 17.03.1995 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