Vientiane prov., Kasi distr., between San and Tham Tai villages, around point 19°17'47.9"N 102°08'58.9"E. Secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 900-1000 m a.s.l. Epiphyte on tall mossy tree on steep shady stream slope. Not rare. LA-VN 1621 25 March 2017. Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.
Coordinates (geographic position):19° 17′ 47.9″ N, 102° 8′ 58.9″ E ±1000 mRecord creation: 2019-06-21, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01055564 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055564