Polypodiaceae s.l. Rumorha sp. S. Vietnam, Prov. Kontum. Evergreen primary forest on W slope of Ngoc Linh mountain system at 1750 m alt. Terrestrial fern with fronds up to 1.5 m lg. VH 783 15.03.1995 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, A. Budantzev, L. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev