FLORA OF VIETNAM Orchidaceae Nervilia plicata (Andr.) Schltr.?
N.Vietnam, Thanh Hoa Prov., Quan Hoa Distr., Phu Le Municipality, Hang village, around point 20°32′29′'N, 105°04′32′'E. Primary evergreen seasonal broad-leaved closed lowland forest on very steep slopes and cliffs of rocky ridge composed with crystalline marble-like highly eroded limestone at elev. 550-700 m. Terrestrial herb on open steep clayey slope. Leaves green with irregular dark green spots. Not common.