Vientiane Prov., Vang Vieng Distr., Phol Xai village, about 8 km to the W of Vang Vieng town, Phar Poon Mt., around point 18°56’11.5”N 102°20’05.0”E. Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-900 m. Creeping epiphyte and lithophyte. Very common.
Record creation: 2026-02-28, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203715 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203715