FLORA OF VIETNAM Pinaceae Pseudotsuga brevifolia C.Y.Cheng, W.C.Cheng & L.K.Fu
Northern Vietnam, Ha Giang Prov., Quan Ba Distr., Can Ty Municipality, in the vicinity of Sin Suoi Ho village at right side of Mien River, about 1 km to the N from point 23°07′12′'N, 105°00′52′'E. Primary coniferous forest with Pseudotsuga brevifolia on remnant highly eroded limestone ridge at elev. 1000-1200 m a.s.l. Tree 10-20 m hg. Monodominant of first forest stratum along tops of ridges. Extensively logging.