FLORA OF VIETNAM
Orchidaceae
Pholidota rubra Lindl.

N. Vietnam, prov. Son La, distr. Moc Chau, municipality Chieng Hac, vicinities of Co Liu village (N 20°51′ E 104°38′). Primary evergreen broadleaved wet mossy forest along rocky tops of remnant karst limestone ridge at 1100-1240 m elev. Lithophyte forb on mossy rocks. Abundant.
NTH 2979 29 May 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)
Collectors: N.T.Hiep, P.H.Hoang, Averyanov L.