Northern Vietnam, Ha Giang Prov., Quan Ba Distr., Can Ty Municipality, in the vicinity of Lung Vai village at left side of Mien River, around point 23ø05'09''N, 105ø03'23''E. Primary coniferous forest with Pseudotsuga brevifolia and Tsuga chinensis on remnant highly eroded limestone ridge at elev. 1440 m a.s.l. Tree 8-12 m hg. Occasional co-dominante of second forest stratum.
Record creation: 2026-09-28, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360577 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360577