Son La Prov., Moc Chau Distr., Chieng Son comm., about 1 km to NE from Chieng Son Village, around point 20°46′02.0N 104°37′03.1E. Remnants of primary broad-leaved evergreen forest on tops of hills composed with karstic highly eroded yellow-white limestone at elevation 1150-1250 m a.s.l. Epiphyte on mossy trees on mountain top. Not rare. 27 September 2016 CPC 8092 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.
Coordinates (geographic position):20° 46′ 2″ N, 104° 37′ 3.1″ E ±1000 mRecord creation: 2020-10-31, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01074337 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01074337