Cao Bang Prov., Nguyen Binh Distr., Yen Lac Municipality, Chi Doi village, around point 22°45'34"N, 105°51'48.7"E. Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation about 1400 m a.s.l. Tree 7 to 9 m tall along ridge edge and in highest part of slope. Young trees are not rare, old trees (to 0.6 m dbh) were logged many years ago.
Record creation: 2026-03-08, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203914 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203914