FLORA OF VIETNAM Cupressaceae Xanthocyparis vietnamensis Farjon et T.H.Nguyen
Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Ngan Vai village, around point 22°46′53″N, 105°52′58.7″E.
Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation about 1300 m a.s.l.
Tree 6-7 m tall along high part of mountain slope. Extremely rare. Only one alive tree was found. A many logged and died trees were observed in the area.