Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Mon village, around point 20°25’29”N 105°19’36”E. Primary broad-leaved forest on steep rocky slopes of remnant mountain composed with solid crystalline highly eroded limestone at elevation about 500-700 m a.s.l. Canopy epiphyte on tall tree on rocky slope. Occasional.
Record creation: 2020-06-06, Аверьянов Леонид ВладимировичCitation: Specimen LE 01073376 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01073376