FLORA OF VIETNAM Orchidaceae Eria yanshanensis S.C.Chen
N. Vietnam, prov. Cao Bang, distr. Thach An, municipality Van Trinh, (N 22°21′ E 106°27′), about 39 km to SSE from Cao Bang town. Secondary open semideciduous broadleaved forest on steep slopes near tops of remnant limestone ridge at 600 m alt. Epilite on shadow rocks. Not common.
CBL 831 03 Dec. 1998
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)