Vietnam, Ha Giang Prov., Bac Me Distr., Phieng Luong Municipality, about 1.5 km to SW of Phieng Luong Municipality headquarter (22°39′29″N, 105°19′35″E). Heavily logged primary closed evergreen broad-leaved forest along rocky streamlet valley at the base of steep slopes of mountains composed with solid highly eroded crystalline and partially shale limestone at elev. about 900 m a.s.l. Epiphyte in shady places. Locally very common. HAL 6511 6 March 2005. Collectors: L.Averyanov, P.K.Loc, N.T.Vinh, A.Averyanova.
Coordinates (geographic position):22° 39′ 29″ N, 105° 19′ 35″ E ±1000 mRecord creation: 2020-12-24, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01075666 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01075666