Bolikhamsai prov., Thaphabat distr., Nam Bon village, Phou Khao Khouay national park, Tad Xai Waterfall, around point 18°27'25.9"N 103°08'17.5"E. Degraded primary and secondary evergreen dry forest along river on eroded sandstone at elev. About 340 m a.s.l. Clustering dense lithophyte on wet, open stream rocks. Common. LA-VN 2203 11 April 2017. Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak.
Coordinates (geographic position):18° 27′ 25.9″ N, 103° 8′ 17.5″ E ±1000 mRecord creation: 2019-06-11, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01054992 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054992