FLORA OF VIETNAM
Orchidaceae
Callostylis rigida

Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Mon village, around point 20°24′52”N 105°19′41”E.

Secondary evergreen dry broad-leaved forest on steep rocky slopes of remnant mountain composed with highly eroded marble-like solid crystalline limestone at elevation about 300 m a.s.l.

Creeping epiphyte on tall tree. Very common.

CPC 1385 23 March 2011
Coll.: N.Q.Hieu, L.Averyanov, N.T.Hiep, P.K.Loc, P.V.The, N.T.Vinh, T.B.Ngan, N.Tap, D.D.Dao, V.T.Ha.