FLORA OF VIETNAM. Convallariaceae. Ophiopogon sp.?. Dien Bien Prov., Muong Cha Distr., Hua Ngai Municipality, Ha La Chu Village, around point 21°53'46"N 103°10'17"E. Highly degraded primary evergreen broadleaved humid forest on very steep slopes of remnant mountains composed with solid limestone at elevation 1100-1400 m a.s.l. Terrestrial herb between shady mossy rocks. Flowers white. Not common. CPC 1924 07 April 2011. Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, N.T.Vinh.