Hymenophyllaceae Link Trichomanes sp. S. Vietnam, Prov. Kontum. NW slopes of Ngoc Linh mountain system. Evergreen close primary forest along mountain stream at 2380 m alt. Epiphyte and epilite. Common and dominant in deep associations. VH 524 06.03.1995 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