Luang Prabang prov., Pon Xay distr., Nam Bo village, around point 19°57'23.5"N 102°26'16.4"E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 650-750 m a.s.l. Epiphyte on old tree on mossy rocky mountain top. Not rare. LA-VN 2174 6 April 2017. Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.
Coordinates (geographic position):19° 57′ 23.5″ N, 102° 26′ 16.4″ E ±1000 mRecord creation: 2019-05-23, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01054568 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054568