N.Vietnam, Bac Kan Prov., Na Ri Distr., Liem Thuy Municipality, village Na Bo, around point 21°56′44′'N, 106°05′09′'E, at elevation 300-700 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. Occasional. HAL 4928 27 May 2004 Collectors: L.Averyanov, N.T.Hiep, P.V.The, N.T.Vinh.
Coordinates (geographic position):21° 56′ 44″ N, 106° 5′ 9″ E ±1000 mRecord creation: 2019-10-29, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01059162 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01059162