FLORA OF VIETNAM. Pellionia griffithiana Wedd. S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay,. 32.5 km to NE from Dalat city. Closed primary broadleaved mt forest. along very wet deep stream canyon on NNW macroslope of Bi Dup mt. system in 6-7 km to NNW from main peak at 1600-1700 m alt. . (N 12° 07', E 108° 41'). Terrestrial herb on wet stream rocky steep slopes. Very common. No VH 3435  30.03.1997. International Botanical Expedition of the U.S.A. National Geographic. Society (grant No 5803-96). . Collectors: L. Averyanov, N.Q. Binh, P.K. Loc