FLORA OF LAOS
Orchidaceae
Polystachya concreta (Jacq.) Garay & H.R.Sweet

Xiangkhouang Prov., Peak Distr., Khoang village, Pa Khao mt., around point 19°33′02.2′N 103°39′56.3′E.

Primary and secondary broad-leaved evergreen dry forest on solid rocky highly eroded limestone at elev. 1200-1450 m a.s.l.

Epiphyte on tall mossy tree. Common.

LA-VN 999 3 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.