Houphan Prov., Hem Distr., Na Puok village, Pu Tham Nhon mountain around point 20°10'00.0''N 103°24'37.0''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble-like highly eroded limestone at elev. 1050-1150 m a.s.l. Terrestrial and epiphyte on old mossy trees among shady mossy rocks on mountain top. Common.
Record creation: 2026-01-26 Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01318670 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01318670