FLORA OF VIETNAM Fam. Monotropaceae Monotropa uniflora ? N. Vietnam, prov. Cao Bang, distr. Bao Lac, municipality Dinh Phung, Man Lung ridge (N 22ø47' E 105ø49'). Primary very wet cloud evergreen closed mixed forest (with Podocarpus and Fokienia) along tops of remnant karst limestone Man Lung ridge at 1550-1600 m elev. Chlorophylless white saprophyte in shady steep slope. Rare. No CBL 1528 18 April 1999 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98) Collectors: P.K.Loc, P.H.Hoang, Averyanov L.