FLORA OF VIETNAM
Orchidaceae
Cleisostoma williamsonii (Reichenb.f.) Garay?

N.Vietnam, Bac Kan Prov., Ba Be Distr., Nam Mau Municipality, Ba Be
National Park around point 22o23′22′'N 105o37′09′'E.

Selectly logged primary evergreen dry broad-leaved forest on very steep
slopes and cliffs composed with crystalline highly eroded marble-like
limestone at elevation 400-500 m a.s.l.

Epiphyte on top of ridge. Occasional.

HLF 606 23 Dec. 2002.

Coll. J.Regalado, Nguyen Tien Hiep, L.Averyanov, Do Hoang Chung,
To Van Thao, Vu Hong Van, Nguyen Tien Vinh, Mai Van Xinh.
Grant from Henry Luce Foundation.