Orchidaceae Juss. Luisia psyche Reichenb.f. ? S. Vietnam, Prov. Kontum. Primary (?) evegreen dry forest on top of ridges at 1400 m alt. on W slope of Ngoc Linh mountain system above Ngoc Linh village. Epiphyte, especially on Quercus and Lithocarpus ssp. Not rare. VH 1206 06.04.1995 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