Vietnam, Lang Son Prov., Bac Son Distr., Tan Tri Municipality, around Na Mau village. Highly degraded primary and secondary broad-leaved evergreen forest along tops of ridge composed with solid highly eroded crystalline gray marble-like limestone at elevation about 500-600 m a.s.l. Creeping epiphyte on tops of ridge. Rare.
Record creation: 2021-03-09, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01090236 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01090236