FLORA OF VIETNAM. Procris rhizantha Gagnep. S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, . 35 km to NE from Dalat city. Closed primary broadleaved mt forest . on W macroslope of Gia Rinh mt. ridge at 1600 m alt. . (N 12° 09', E 108° 41'). Epiphyte on mossy stems of old trees along shadow stream canyon. Inflorescence flishy, white. Rare. No VH 3750  07.04.1997. International Botanical Expedition of the U.S.A. National Geographic. Society (grant No 5803-96). . Collectors: L. Averyanov, N.Q. Binh, P.K. Loc