Luang Prabang prov., Ngoy distr., Don Khun village, near waterfall, around point 20°31'36.9''N 102°35'15.8''E. Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 450-550 m a.s.l. along mountain stream. Epiphyte on tall trees. Very common.
Record creation: 2026-03-01, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203767 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203767