Polypodiaceae s.l. Pyrrosia varia (kaulf.) Farwell S. Vietnam, Prov. Kontum. Evergreen primary forest on W slope of Ngoc Linh mountain system at 1100 m alt. Elevation from Dak Mek river to Long Nam village. Epilite on open rocks in primary forest. VH 845 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