FLORA OF VIETNAM Orchidaceae Phalaenopsis mannii Reichenb.f.
N. Viet Nam. Ha Giang Province, Quang Ba District, Bat Dai Son village. Primary forest on limestone with Quercus, Pseudotsuga and Podocarpus along Chung Ti Tei ridge at elev. 1100-1260 m, 28°08′11″N, 105°00′48″E. Occasional epiphyte.