FLORA OF VIETNAM Orchidaceae Coelogyne lokii Aver. Northern Vietnam, Ha Giang Prov., Vi Xuyen Distr., Lao Chai municipality, Can Sao village (Tay Con Linh Nature Reserve). Primary broad-leaved evergreen closed forest mixed with semi- decidous forest dominated by Alnus nepalensis, Betula alnoides, Carpinus pubescens around point 22° 48′ 42′' N, 104° 48′ 24′E, 1996 m a.s.l. near main field camp. Epiphyte on tree or rock, flower aromatic, petal white ( Photo: N.T.Hiep DSC04111) CPC 375 20/5/2010 . Collectors: N. Q.Hieu, N.T. Hiep, N. T. Vinh, L.T.Khuynh (Funded by Critical Ecosystem Partnership Fund-CEPF through FFI)