N.Vietnam, Cao Bang Prov., Trung Khanh Distr., Ngoc Khe Municipality, Pac Nga village, around point 22º54'59''N, 106º31'44''E, at elevation 700-750 m a.s.l. Secondary wet closed evergreen forest on steep rocky slopes of rocky ridges and mesae composed with light gray solid marble-like highly eroded crystalline limestone. Epiphyte on rocky steep shady wet slope. Rare.
Record creation: 2021-02-21, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01089883 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01089883