FLORA OF VIETNAM Orchidaceae Juss. Hygrochilus parishii (Rchb.f.) Pfitz.
N. Vietnam, Thanh Hoa prov., Ba Thuoc distr., Co Lung municipality, territory of Pu Luong protected area, near Co Lung village (20°27′28′'N, 105°12′18′'E). Primary broad-leaved evergreen forest on tops of remnant highly eroded karst limestone ridge at elev. 550-600 m a.s.l. Epiphyte on top of ridge. Occasional.