Vientiane Prov., Kasi Distr., Namken village, Phachao Mt., around point 19°18′45.5”N 102°22′31.4”E. Primary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevations 1500-1750 m. Epiphyte on mossy trees on shady cliff near mountain top. Common. LA-VN 771 24 March 2013 Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy
Coordinates (geographic position):19° 18′ 45.5″ N, 102° 22′ 31.4″ E ±1000 mRecord creation: 2020-10-31, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01074472 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01074472