FLORA OF VIETNAM Orchidaceae Nephelaphyllum tenuiflorum Blume ( 1825) Ha Giang Prov., Bac Me District., Phieng Luong commune, Phieng Luong village direct to phieng Phoc, Khuoi Phin, Sinh Long, Tuyen Quang Province, Primary evergreen broad- leaf forest on limestone at elevation 1000-1183 m a.s.l. Grows in limestone , on slope and top of mountaine at elevation 1183 m a.s.l. around point 220 37′ 48.3″N;1050 19′ 32.4″E, 1183 m a.s.l. common Epiphytic herb, leaf with red pot, flowers green. 20 June 2014, CPC 7338 Coll.: N.Q. Hieu, N.T. Hiep, T.Q. Ngan, T.M. Tuan, G.M. Pao