FLORA OF VIETNAM
Orchidaceae
Ceratostylis subulata Blume

N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW
from Dong Hoi, municipalite Thong Hoa, vicinities of Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Primary evergreen open broadleaved dry forest on top of limestone mesas at 500-550 m alt.
Epiphyte. Very common on tops of mesas at 500-600 m alt.
VH 4656 16.05.1997

International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 5803-96)
Collectors: L. Averyanov, N.T. Hiep, P.K. Loc