FLORA OF VIETNAM Plants of Bac Giang Province Orchidaceae Dendrobium aduncum Lindl.
Bac Giang Prov., Son Dong Distr., An Lac Comm., Dong Duong FP Station Tay Yen Tu NR, around point 21°18′53” N, 106°54′54” E, 50 m.
Collected in heavily logged primary closed evergreen forests on ridges of shale submontane mountains, from FP Station about 5 km to East, at elevation about 700-900 m.