FLORA OF VIETNAM
Orchidaceae
Dendrobium williamsonii

Northern Vietnam, Ha Giang Prov., Quan Ba Distr., Can Ty municipality, Bat Dai Son NR, at right side of Mien River, around point 230 05′ 29″ N , 1050 01′ 06″ E, Primary coniferous forest with Pseudotsuga brevifolia, Xanthocyparis vietnamensis, Calocedrus rupestris on remnant highly eroded limestone ridge at elev. 1000-1200 m a.s.l. common Herb epiphyte on tree, flower with petals white- yellow
CPC 144 19 March 2010

Collectors: N. T.Hiep, N. Q.Hieu, N. S.Khang, N.T.Vinh & P.V. The (Funded by Global Trees Campaign grant through FFI)