N.Vietnam, Bac Kan Prov., Na Ri Distr., Liem Thuy Municipality, village Lung Vai, around point 21º57'18''N, 106º06'12''E, at elevation 500-700 m a.s.l. Primary broad-leaved evergreen closed wet forest on very steep slopes and cliffs of rocky ridges and mesae composed with white solid marble-like crystalline limestone. Epiphyte. Common.
Record creation: 2026-02-25, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203647 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203647