Polypodiaceae s.l. Adianthum sp. ? S. Vietnam, Prov. Kontum. Evergreen primary forest on W slope of Ngoc Linh mountain system at 1250 m alt. Elevation from Dak Mek river to Long Nam village. Terrestrial fern with fronds up to 0.4 lg. Common below 1200 m alt. VH 840 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